Catalyst 3750-E and 3560-E Switch Software Configuration Guide, Release 12.2(55)SE - Index [Cisco Catalyst 3750-E Series Switches]

Table Of Contents

Numerics - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W -

Index

Numerics

10-Gigabit Ethernet interfaces 12-6

A

AAA down policy, NAC Layer 2 IP validation 1-11

abbreviating commands 2-3

ABRs 40-26

AC (command switch) 6-10

access-class command 35-20

access control entries

See ACEs

access-denied response, VMPS 13-26

access groups

applying IPv4 ACLs to interfaces 35-21

Layer 2 35-21

Layer 3 35-21

access groups, applying IPv4 ACLs to interfaces 35-21

accessing

clusters, switch 6-13

command switches 6-11

member switches 6-13

switch clusters 6-13

accessing stack members 5-25

access lists

See ACLs

access ports

and Layer 2 protocol tunneling 17-11

defined 12-3

in switch clusters 6-9

access template 8-1

accounting

with 802.1x 10-50

with IEEE 802.1x 10-15

with RADIUS 9-34

with TACACS+ 9-11, 9-17

ACEs

and QoS 37-8

defined 35-2

Ethernet 35-2

IP 35-2

ACLs

ACEs 35-2

any keyword 35-13

applying

on bridged packets 35-39

on multicast packets 35-41

on routed packets 35-40

on switched packets 35-39

time ranges to 35-17

to an interface 35-20, 36-7

to IPv6 interfaces 36-7

to QoS 37-7

classifying traffic for QoS 37-49

comments in 35-19

compiling 35-23

defined 35-2, 35-8

examples of 35-23, 37-49

extended IP, configuring for QoS classification 37-50

extended IPv4

creating 35-11

matching criteria 35-8

hardware and software handling 35-22

host keyword 35-13

IP

creating 35-8

fragments and QoS guidelines 37-39

implicit deny 35-10, 35-14, 35-17

implicit masks 35-10

matching criteria 35-8

undefined 35-21

IPv4

applying to interfaces 35-20

creating 35-8

matching criteria 35-8

named 35-15

numbers 35-8

terminal lines, setting on 35-19

unsupported features 35-7

IPv6

and stacking 36-3

applying to interfaces 36-7

configuring 36-3, 36-4

displaying 36-8

interactions with other features 36-4

limitations 36-3

matching criteria 36-3

named 36-3

precedence of 36-2

supported 36-2

unsupported features 36-3

Layer 4 information in 35-38

logging messages 35-9

MAC extended 35-28, 37-53

matching 35-8, 35-21

monitoring 35-41, 36-8

named

IPv4 35-15

IPv6 36-3

names 36-4

number per QoS class map 37-39

port 35-2, 36-1

precedence of 35-3

QoS 37-7, 37-49

resequencing entries 35-15

router 35-2, 36-1

router ACLs and VLAN map configuration guidelines 35-38

standard IP, configuring for QoS classification 37-49, 37-51

standard IPv4

creating 35-10

matching criteria 35-8

support for 1-10

support in hardware 35-22

time ranges 35-17

types supported 35-2

unsupported features

IPv4 35-7

IPv6 36-3

using router ACLs with VLAN maps 35-37

VLAN maps

configuration guidelines 35-31

configuring 35-31

active link 21-4, 21-5, 21-6

active links 21-2

active router 42-1

active traffic monitoring, IP SLAs 43-1

address aliasing 24-2

addresses

displaying the MAC address table 7-30

dynamic

accelerated aging 18-9

changing the aging time 7-21

default aging 18-9

defined 7-19

learning 7-20

removing 7-22

IPv6 41-2

MAC, discovering 7-31

multicast

group address range 46-3

STP address management 18-9

static

adding and removing 7-27

defined 7-19

address resolution 7-31, 40-9

Address Resolution Protocol

See ARP

adjacency tables, with CEF 40-91

administrative distances

defined 40-103

OSPF 40-34

routing protocol defaults 40-93

advertisements

CDP 27-1

LLDP 28-2

RIP 40-20

VTP 13-17, 14-3, 14-4

aggregatable global unicast addresses 41-3

aggregate addresses, BGP 40-61

aggregated ports

See EtherChannel

aggregate policers 37-72

aggregate policing 1-13

aging, accelerating 18-9

aging time

accelerated

for MSTP 19-24

for STP 18-9, 18-23

MAC address table 7-21

maximum

for MSTP 19-24, 19-25

for STP 18-23, 18-24

alarms, RMON 31-4

allowed-VLAN list 13-19

AP1250 (wireless access point) 1-15

application engines, redirecting traffic to 45-1

area border routers

See ABRs

area routing

IS-IS 40-66

ISO IGRP 40-66

ARP

configuring 40-10

defined 1-6, 7-31, 40-10

encapsulation 40-11

static cache configuration 40-10

table

address resolution 7-31

managing 7-31

ASBRs 40-26

AS-path filters, BGP 40-55

asymmetrical links, and IEEE 802.1Q tunneling 17-4

attributes, RADIUS

vendor-proprietary 9-37

vendor-specific 9-35

attribute-value pairs 10-20

audience xlix

authentication

EIGRP 40-42

HSRP 42-10

local mode with AAA 9-43

NTP associations 7-4

open1x 10-29

RADIUS

key 9-27

login 9-29

TACACS+

defined 9-11

key 9-13

login 9-14

See also port-based authentication

authentication compatibility with Catalyst 6000 switches 10-9

authentication failed VLAN

See restricted VLAN

authentication keys, and routing protocols 40-104

authentication manager

CLI commands 10-9

compatibility with older 802.1x CLI commands10-9to 10-10

overview 10-8

single session ID 10-33

authoritative time source, described 7-2

authorization

with RADIUS 9-33

with TACACS+ 9-11, 9-16

authorized ports with IEEE 802.1x 10-11

autoconfiguration 3-3

auto enablement 10-31

automatic advise (auto-advise) in switch stacks 5-12

automatic copy (auto-copy) in switch stacks 5-12

automatic discovery

considerations

beyond a noncandidate device 6-8

brand new switches 6-9

connectivity 6-5

different VLANs 6-7

management VLANs 6-7

non-CDP-capable devices 6-6

noncluster-capable devices 6-6

routed ports 6-8

in switch clusters 6-5

See also CDP

automatic extraction (auto-extract) in switch stacks 5-12

automatic QoS

See QoS

automatic recovery, clusters 6-10

See also HSRP

automatic upgrades (auto-upgrade) in switch stacks 5-12

auto-MDIX

configuring 12-26

described 12-26

autonegotiation

duplex mode 1-4

interface configuration guidelines 12-23

mismatches 49-13

autonomous system boundary routers

See ASBRs

autonomous systems, in BGP 40-49

Auto-RP, described 46-7

autosensing, port speed 1-4

autostate exclude 12-6

auxiliary VLAN

See voice VLAN

availability, features 1-8

B

BackboneFast

described 20-7

disabling 20-17

enabling 20-16

support for 1-8

backup interfaces

See Flex Links

backup links 21-2

backup static routing, configuring 44-12

banners

configuring

login 7-19

message-of-the-day login 7-18

default configuration 7-17

when displayed 7-17

Berkeley r-tools replacement 9-55

BGP

aggregate addresses 40-61

aggregate routes, configuring 40-61

CIDR 40-61

clear commands 40-64

community filtering 40-58

configuring neighbors 40-59

default configuration 40-46

described 40-46

enabling 40-49

monitoring 40-64

multipath support 40-53

neighbors, types of 40-49

path selection 40-53

peers, configuring 40-59

prefix filtering 40-57

resetting sessions 40-51

route dampening 40-63

route maps 40-55

route reflectors 40-62

routing domain confederation 40-62

routing session with multi-VRF CE 40-85

show commands 40-64

supernets 40-61

support for 1-14

Version 4 40-46

binding cluster group and HSRP group 42-12

binding database

address, DHCP server

See DHCP, Cisco IOS server database

DHCP snooping

See DHCP snooping binding database

bindings

address, Cisco IOS DHCP server 22-6

DHCP snooping database 22-6

IP source guard 22-16

binding table, DHCP snooping

See DHCP snooping binding database

blocking packets 26-7

Boolean expressions in tracked lists 44-4

booting

boot loader, function of 3-2

boot process 3-2

manually 3-19

specific image 3-20

boot loader

accessing 3-21

described 3-2

environment variables 3-21

prompt 3-21

trap-door mechanism 3-2

bootstrap router (BSR), described 46-7

Border Gateway Protocol

See BGP

BPDU

error-disabled state 20-2

filtering 20-3

RSTP format 19-12

BPDU filtering

described 20-3

disabling 20-15

enabling 20-14

support for 1-8

BPDU guard

described 20-2

disabling 20-14

enabling 20-13

support for 1-8

bridged packets, ACLs on 35-39

bridge groups

See fallback bridging

bridge protocol data unit

See BPDU

broadcast flooding 40-17

broadcast packets

directed 40-14

flooded 40-14

broadcast storm-control command 26-4

broadcast storms 26-1, 40-14

C

cables, monitoring for unidirectional links 29-1

candidate switch

automatic discovery 6-5

defined 6-4

requirements 6-4

See also command switch, cluster standby group, and member switch

Catalyst 6000 switches, authentication compatibility 10-9

CA trustpoint

configuring 9-52

defined 9-49

caution, described l

CDP

and trusted boundary 37-45

automatic discovery in switch clusters 6-5

configuring 27-2

default configuration 27-2

defined with LLDP 28-1

described 27-1

disabling for routing device27-3to 27-4

enabling and disabling

on an interface 27-4

on a switch 27-3

Layer 2 protocol tunneling 17-8

monitoring 27-5

overview 27-1

power negotiation extensions 12-7

support for 1-6

switch stack considerations 27-2

transmission timer and holdtime, setting 27-2

updates 27-2

CEF

defined 40-90

distributed 40-91

IPv6 41-19

CGMP

as IGMP snooping learning method 24-9

clearing cached group entries 46-63

enabling server support 46-45

joining multicast group 24-3

overview 46-9

server support only 46-9

switch support of 1-4

CIDR 40-61

CipherSuites 9-51

Cisco 7960 IP Phone 15-1

Cisco AP1250 (wireless access point) 1-15

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco intelligent power management 12-7

Cisco IOS DHCP server

See DHCP, Cisco IOS DHCP server

Cisco IOS File System

See IFS

Cisco IOS IP SLAs 43-1

Cisco Network Assistant

See Network Assistant

Cisco Redundant Power System 2300

configuring 12-37

managing 12-37

Cisco Secure ACS

attribute-value pairs for downloadable ACLs 10-20

attribute-value pairs for redirect URL 10-20

Cisco Secure ACS configuration guide 10-62

Cisco StackWise Plus technology 1-3

See also stacks, switch

CiscoWorks 2000 1-6, 33-4

CISP 10-31

CIST regional root

See MSTP

CIST root

See MSTP

civic location 28-3

classless interdomain routing

See CIDR

classless routing 40-8

class maps for QoS

configuring 37-54

described 37-8

displaying 37-92

class of service

See CoS

clearing interfaces 12-41

CLI

abbreviating commands 2-3

command modes 2-1

configuration logging 2-4

described 1-5

editing features

enabling and disabling 2-6

keystroke editing 2-7

wrapped lines 2-8

error messages 2-4

filtering command output 2-9

getting help 2-3

history

changing the buffer size 2-5

described 2-5

disabling 2-6

recalling commands 2-6

managing clusters 6-16

no and default forms of commands 2-4

Client Information Signalling Protocol

See CISP

client mode, VTP 14-3

client processes, tracking 44-1

CLNS

See ISO CLNS

clock

See system clock

cluster requirements l

clusters, switch

accessing 6-13

automatic discovery 6-5

automatic recovery 6-10

benefits 1-2

compatibility 6-4

described 6-1

LRE profile considerations 6-16

managing

through CLI 6-16

through SNMP 6-17

planning 6-4

planning considerations

automatic discovery 6-5

automatic recovery 6-10

CLI 6-16

host names 6-13

IP addresses 6-13

LRE profiles 6-16

passwords 6-14

RADIUS 6-16

SNMP 6-14, 6-17

switch stacks 6-14

TACACS+ 6-16

See also candidate switch, command switch, cluster standby group, member switch, and standby command switch

cluster standby group

and HSRP group 42-12

automatic recovery 6-12

considerations 6-11

defined 6-2

requirements 6-3

virtual IP address 6-11

See also HSRP

CNS

Configuration Engine

configID, deviceID, hostname 4-3

configuration service 4-2

described 4-1

event service 4-3

embedded agents

described 4-5

enabling automated configuration 4-6

enabling configuration agent 4-9

enabling event agent 4-8

management functions 1-6

CoA Request Commands 9-23

Coarse Wave Division Multiplexer

See CWDM SFPs

command-line interface

See CLI

command modes 2-1

commands

abbreviating 2-3

no and default 2-4

commands, setting privilege levels 9-8

command switch

accessing 6-11

active (AC) 6-10

configuration conflicts 49-12

defined 6-2

passive (PC) 6-10

password privilege levels 6-17

priority 6-10

recovery

from command-switch failure 6-10, 49-9

from lost member connectivity 49-12

redundant 6-10

replacing

with another switch 49-11

with cluster member 49-9

requirements 6-3

standby (SC) 6-10

See also candidate switch, cluster standby group, member switch, and standby command switch

common session ID

see single session ID 10-33

community list, BGP 40-58

community ports 16-2

community strings

configuring 6-14, 33-8

for cluster switches 33-4

in clusters 6-14

overview 33-4

SNMP 6-14

community VLANs 16-2, 16-3

compatibility, feature 26-12

compatibility, software

See stacks, switch

config.text 3-18

configurable leave timer, IGMP 24-6

configuration, initial

defaults 1-16

Express Setup 1-2

See also getting started guide and hardware installation guide

configuration conflicts, recovering from lost member connectivity 49-12

configuration examples, network 1-19

configuration files

archiving B-21

clearing the startup configuration B-20

creating and using, guidelines for B-10

creating using a text editor B-11

default name 3-18

deleting a stored configuration B-20

described B-9

downloading

automatically 3-18

preparing B-11, B-14, B-17

reasons for B-9

using FTP B-14

using RCP B-18

using TFTP B-12

invalid combinations when copying B-6

limiting TFTP server access 33-17

obtaining with DHCP 3-9

password recovery disable considerations 9-5

replacing and rolling back, guidelines for B-22

replacing a running configuration B-20, B-21

rolling back a running configuration B-20, B-22

specifying the filename 3-19

system contact and location information 33-16

types and location B-10

uploading

preparing B-11, B-14, B-17

reasons for B-9

using FTP B-16

using RCP B-19

using TFTP B-13

configuration guidelines, multi-VRF CE 40-78

configuration logging 2-4

configuration replacement B-20

configuration rollback B-20, B-21

configuration settings, saving 3-16

configure terminal command 12-13

configuring multicast VRFs 40-84

configuring port-based authentication violation modes10-40to 10-41

configuring small-frame arrival rate 26-5

conflicts, configuration 49-12

connections, secure remote 9-45

connectivity problems 49-15, 49-16, 49-18

consistency checks in VTP Version 2 14-5

console port, connecting to 2-10

content-routing technology

See WCCP

control protocol, IP SLAs 43-4

conventions

command xlix

for examples l

publication xlix

text xlix

corrupted software, recovery steps with Xmodem 49-2

CoS

in Layer 2 frames 37-2

override priority 15-6

trust priority 15-6

CoS input queue threshold map for QoS 37-18

CoS output queue threshold map for QoS 37-21

CoS-to-DSCP map for QoS 37-74

counters, clearing interface 12-41

CPU utilization, troubleshooting 49-28

crashinfo file 49-24

critical authentication, IEEE 802.1x 10-54

critical VLAN 10-23

cross-stack EtherChannel

configuration guidelines 38-13

configuring

on Layer 2 interfaces 38-13

on Layer 3 physical interfaces 38-16

described 38-3

illustration 38-4

support for 1-8

cross-stack UplinkFast, STP

described 20-5

disabling 20-16

enabling 20-16

fast-convergence events 20-7

Fast Uplink Transition Protocol 20-6

normal-convergence events 20-7

support for 1-8

cryptographic software image

switch stack considerations 5-2, 5-17

customer edge devices 40-76

customizeable web pages, web-based authentication 11-6

CWDM SFPs 1-32

D

DACL

See downloadable ACL

daylight saving time 7-13

dCEF in the switch stack 40-90

debugging

enabling all system diagnostics 49-21

enabling for a specific feature 49-21

redirecting error message output 49-22

using commands 49-20

default commands 2-4

default configuration

802.1x 10-34

auto-QoS 37-24

banners 7-17

BGP 40-46

booting 3-18

CDP 27-2

DHCP 22-8

DHCP option 82 22-8

DHCP snooping 22-8

DHCP snooping binding database 22-9

DNS 7-16

dynamic ARP inspection 23-5

EIGRP 40-38

EtherChannel 38-11

Ethernet interfaces 12-22

fallback bridging 48-3

Flex Links 21-8

HSRP 42-5

IEEE 802.1Q tunneling 17-4

IGMP 46-39

IGMP filtering 24-24

IGMP snooping 24-7, 25-6

IGMP throttling 24-25

initial switch information 3-3

IP addressing, IP routing 40-6

IP multicast routing 46-11

IP SLAs 43-6

IP source guard 22-18

IPv6 41-11

IS-IS 40-67

Layer 2 interfaces 12-22

Layer 2 protocol tunneling 17-11

LLDP 28-5

MAC address table 7-21

MAC address-table move update 21-8

MSDP 47-4

MSTP 19-14

multi-VRF CE 40-78

MVR 24-20

NTP 7-4

optional spanning-tree configuration 20-12

OSPF 40-27

password and privilege level 9-2

PIM 46-11

private VLANs 16-6

RADIUS 9-27

RIP 40-21

RMON 31-3

RSPAN 30-12

SDM template 8-4

SNMP 33-6

SPAN 30-12

SSL 9-51

standard QoS 37-36

STP 18-13

switch stacks 5-20

system message logging 32-4

system name and prompt 7-15

TACACS+ 9-13

UDLD 29-4

VLAN, Layer 2 Ethernet interfaces 13-17

VLANs 13-7

VMPS 13-27

voice VLAN 15-3

VTP 14-8

WCCP 45-5

default gateway 3-15, 40-12

default networks 40-94

default router preference

See DRP

default routes 40-94

default routing 40-3

default web-based authentication configuration

802.1X 11-9

deleting VLANs 13-9

denial-of-service attack 26-1

description command 12-31

designing your network, examples 1-19

desktop template 5-10

destination addresses

in IPv4 ACLs 35-12

in IPv6 ACLs 36-5

destination-IP address-based forwarding, EtherChannel 38-9

destination-MAC address forwarding, EtherChannel 38-9

detecting indirect link failures, STP 20-8

device discovery protocol 27-1, 28-1

device manager

benefits 1-2

described 1-2, 1-5

in-band management 1-7

requirements l

DHCP

Cisco IOS server database

configuring 22-14

default configuration 22-9

described 22-6

DHCP for IPv6

See DHCPv6

enabling

relay agent 22-10

server 22-10

DHCP-based autoconfiguration

client request message exchange 3-4

configuring

client side 3-4

DNS 3-8

relay device 3-8

server side 3-7

server-side 22-10

TFTP server 3-7

example 3-10

lease options

for IP address information 3-7

for receiving the configuration file 3-7

overview 3-3

relationship to BOOTP 3-4

relay support 1-6, 1-14

support for 1-6

DHCP-based autoconfiguration and image update

configuring3-11to 3-14

understanding3-5to 3-6

DHCP binding database

See DHCP snooping binding database

DHCP binding table

See DHCP snooping binding database

DHCP object tracking, configuring primary interface 44-11

DHCP option 82

circuit ID suboption 22-5

configuration guidelines 22-9

default configuration 22-8

displaying 22-15

forwarding address, specifying 22-11

helper address 22-11

overview 22-3

packet format, suboption

circuit ID 22-5

remote ID 22-5

remote ID suboption 22-5

DHCP server port-based address allocation

configuration guidelines 22-26

default configuration 22-26

described 22-26

displaying 22-29, 23-13

enabling 22-27

reserved addresses 22-27

DHCP snooping

accepting untrusted packets form edge switch 22-3, 22-12

and private VLANs 22-14

binding database

See DHCP snooping binding database

configuration guidelines 22-9

default configuration 22-8

displaying binding tables 22-15

message exchange process 22-4

option 82 data insertion 22-3

trusted interface 22-2

untrusted interface 22-2

untrusted messages 22-2

DHCP snooping binding database

adding bindings 22-14

binding entries, displaying 22-15

binding file

format 22-7

location 22-6

bindings 22-6

clearing agent statistics 22-15

configuration guidelines 22-9

configuring 22-14

default configuration 22-8, 22-9

deleting

binding file 22-15

bindings 22-15

database agent 22-15

described 22-6

displaying 22-15

binding entries 22-15

status and statistics 22-15

displaying status and statistics 22-15

enabling 22-14

entry 22-6

renewing database 22-15

resetting

delay value 22-15

timeout value 22-15

DHCP snooping binding table

See DHCP snooping binding database

DHCPv6

configuration guidelines 41-15

default configuration 41-15

described 41-6

enabling client function 41-18

enabling DHCPv6 server function 41-16

diagnostic schedule command 50-2

Differentiated Services architecture, QoS 37-2

Differentiated Services Code Point 37-2

Diffusing Update Algorithm (DUAL) 40-36

Digital Optical Monitoring (DOM) 12-40

directed unicast requests 1-6

directories

changing B-4

creating and removing B-5

displaying the working B-4

discovery, clusters

See automatic discovery

Distance Vector Multicast Routing Protocol

See DVMRP

distance-vector protocols 40-3

distribute-list command 40-102

DNS

and DHCP-based autoconfiguration 3-8

default configuration 7-16

displaying the configuration 7-17

in IPv6 41-4

overview 7-15

setting up 7-16

support for 1-6

DNS-based SSM mapping 46-18, 46-20

documentation, related l

document conventions xlix

DOM (Digital Optical Monitoring) 12-40

domain names

DNS 7-15

VTP 14-9

Domain Name System

See DNS

domains, ISO IGRP routing 40-66

dot1q-tunnel switchport mode 13-16

double-tagged packets

IEEE 802.1Q tunneling 17-2

Layer 2 protocol tunneling 17-10

downloadable ACL 10-19, 10-20, 10-62

downloading

configuration files

preparing B-11, B-14, B-17

reasons for B-9

using FTP B-14

using RCP B-18

using TFTP B-12

image files

deleting old image B-30

preparing B-28, B-31, B-36

reasons for B-25

using CMS 1-3

using FTP B-32

using HTTP 1-3, B-25

using RCP B-37

using TFTP B-28

using the device manager or Network Assistant B-25

drop threshold for Layer 2 protocol packets 17-11

DRP

configuring 41-13

described 41-4

IPv6 41-4

DSCP 1-13, 37-2

DSCP input queue threshold map for QoS 37-18

DSCP output queue threshold map for QoS 37-21

DSCP-to-CoS map for QoS 37-77

DSCP-to-DSCP-mutation map for QoS 37-78

DSCP transparency 37-46

DTP 1-9, 13-15

dual-action detection 38-6

DUAL finite state machine, EIGRP 40-37

dual IPv4 and IPv6 templates 8-2, 41-6

dual protocol stacks

IPv4 and IPv6 41-6

SDM templates supporting 41-6

DVMRP

autosummarization

configuring a summary address 46-59

disabling 46-61

connecting PIM domain to DVMRP router 46-51

enabling unicast routing 46-54

interoperability

with Cisco devices 46-49

with Cisco IOS software 46-9

mrinfo requests, responding to 46-54

neighbors

advertising the default route to 46-53

discovery with Probe messages 46-49

displaying information 46-54

prevent peering with nonpruning 46-57

rejecting nonpruning 46-55

overview 46-9

routes

adding a metric offset 46-62

advertising all 46-61

advertising the default route to neighbors 46-53

caching DVMRP routes learned in report messages 46-55

changing the threshold for syslog messages 46-58

deleting 46-63

displaying 46-63

favoring one over another 46-62

limiting the number injected into MBONE 46-58

limiting unicast route advertisements 46-49

routing table 46-9

source distribution tree, building 46-9

support for 1-14

tunnels

configuring 46-51

displaying neighbor information 46-54

dynamic access ports

characteristics 13-3

configuring 13-28

defined 12-3

dynamic addresses

See addresses

dynamic ARP inspection

ARP cache poisoning 23-1

ARP requests, described 23-1

ARP spoofing attack 23-1

clearing

log buffer 23-16

statistics 23-16

configuration guidelines 23-6

configuring

ACLs for non-DHCP environments 23-9

in DHCP environments 23-7

log buffer 23-13

rate limit for incoming ARP packets 23-4, 23-11

default configuration 23-5

denial-of-service attacks, preventing 23-11

described 23-1

DHCP snooping binding database 23-2

displaying

ARP ACLs 23-15

configuration and operating state 23-15

statistics 23-16

trust state and rate limit 23-15

error-disabled state for exceeding rate limit 23-4

function of 23-2

interface trust states 23-3

log buffer

clearing 23-16

configuring 23-13

logging of dropped packets, described 23-5

man-in-the middle attack, described 23-2

network security issues and interface trust states 23-3

priority of ARP ACLs and DHCP snooping entries 23-4

rate limiting of ARP packets

configuring 23-11

described 23-4

error-disabled state 23-4

statistics

clearing 23-16

displaying 23-16

validation checks, performing 23-12

dynamic auto trunking mode 13-16

dynamic desirable trunking mode 13-16

Dynamic Host Configuration Protocol

See DHCP-based autoconfiguration

dynamic port VLAN membership

described 13-26

reconfirming 13-29

troubleshooting 13-31

types of connections 13-29

dynamic routing 40-3

ISO CLNS 40-65

Dynamic Trunking Protocol

See DTP

E

EBGP 40-45

editing features

enabling and disabling 2-6

keystrokes used 2-7

wrapped lines 2-8

EEM 3.2 34-5

EIGRP

authentication 40-42

components 40-37

configuring 40-40

default configuration 40-38

definition 40-36

interface parameters, configuring 40-41

monitoring 40-44

stub routing 40-43

support for 1-14

EIGRP IPv6 41-7

elections

See stack master

ELIN location 28-3

embedded event manager

3.2 34-5

actions 34-4

configuring 34-1, 34-6

displaying information 34-8

environmental variables 34-5

event detectors 34-3

policies 34-4

registering and defining an applet 34-6

registering and defining a TCL script 34-7

understanding 34-1

enable password 9-3

enable secret password 9-3

encryption, CipherSuite 9-51

encryption for passwords 9-3

Enhanced IGRP

See EIGRP

enhanced object tracking

backup static routing 44-12

defined 44-1

DHCP primary interface 44-11

HSRP 44-7

IP routing state 44-2

IP SLAs 44-9

line-protocol state 44-2

network monitoring with IP SLAs 44-11

routing policy, configuring 44-12

static route primary interface 44-10

tracked lists 44-3

enhanced object tracking static routing 44-10

enhanced PoE 1-15, 12-7, 12-30

environmental variables, embedded event manager 34-5

environment variables, function of 3-22

equal-cost routing 1-14, 40-92

error-disabled state, BPDU 20-2

error messages during command entry 2-4

EtherChannel

automatic creation of 38-5, 38-7

channel groups

binding physical and logical interfaces 38-4

numbering of 38-4

configuration guidelines 38-12

configuring

Layer 2 interfaces 38-13

Layer 3 physical interfaces 38-16

Layer 3 port-channel logical interfaces 38-15

default configuration 38-11

described 38-2

displaying status 38-22

forwarding methods 38-8, 38-18

IEEE 802.3ad, described 38-7

interaction

with STP 38-12

with VLANs 38-12

LACP

described 38-7

displaying status 38-22

hot-standby ports 38-20

interaction with other features 38-8

modes 38-7

port priority 38-22

system priority 38-21

Layer 3 interface 40-5

load balancing 38-8, 38-18

logical interfaces, described 38-4

PAgP

aggregate-port learners 38-19

compatibility with Catalyst 1900 38-19

described 38-5

displaying status 38-22

interaction with other features 38-7

interaction with virtual switches 38-6

learn method and priority configuration 38-19

modes 38-6

support for 1-4

with dual-action detection 38-6

port-channel interfaces

described 38-4

numbering of 38-4

port groups 12-6

stack changes, effects of 38-10

support for 1-4

EtherChannel guard

described 20-10

disabling 20-17

enabling 20-17

Ethernet management port

active link 12-18

and routing 12-19

and routing protocols 12-19

and TFTP 12-21

configuring 12-20

connecting to 2-10

default setting 12-19

described 12-18

for network management 12-18

specifying 12-20

supported features 12-20

unsupported features 12-20

Ethernet management port, internal

and routing 12-19

and routing protocols 12-19

unsupported features 12-20

Ethernet VLANs

adding 13-8

defaults and ranges 13-7

modifying 13-8

EUI 41-3

event detectors, embedded event manager 34-3

events, RMON 31-4

examples

conventions for l

network configuration 1-19

expedite queue for QoS 37-90

Express Setup 1-2

See also getting started guide

extended crashinfo file 49-24

extended-range VLANs

configuration guidelines 13-11

configuring 13-10

creating 13-11

creating with an internal VLAN ID 13-13

defined 13-1

extended system ID

MSTP 19-18

STP 18-4, 18-16

extended universal identifier

See EUI

Extensible Authentication Protocol over LAN 10-2

external BGP

See EBGP

external neighbors, BGP 40-49

F

Fa0 port

See Ethernet management port

failover support 1-8

fallback bridging

and protected ports 48-4

bridge groups

creating 48-4

described 48-2

displaying 48-10

function of 48-2

number supported 48-4

removing 48-5

bridge table

clearing 48-10

displaying 48-10

configuration guidelines 48-4

connecting interfaces with 12-12

default configuration 48-3

described 48-1

frame forwarding

flooding packets 48-2

forwarding packets 48-2

overview 48-1

protocol, unsupported 48-4

stack changes, effects of 48-3

STP

disabling on an interface 48-9

forward-delay interval 48-8

hello BPDU interval 48-8

interface priority 48-6

keepalive messages 18-2

maximum-idle interval 48-9

path cost 48-7

VLAN-bridge spanning-tree priority 48-6

VLAN-bridge STP 48-2

support for 1-14

SVIs and routed ports 48-1

unsupported protocols 48-4

VLAN-bridge STP 18-11

Fast Convergence 21-3

fastethernet0 port

See Ethernet management port

Fast Uplink Transition Protocol 20-6

features, incompatible 26-12

FIB 40-91

fiber-optic, detecting unidirectional links 29-1

files

basic crashinfo

description 49-25

location 49-25

copying B-5

crashinfo, description 49-24

deleting B-6

displaying the contents of B-8

extended crashinfo

description 49-25

location 49-25

tar

creating B-7

displaying the contents of B-7

extracting B-8

image file format B-26

file system

displaying available file systems B-2

displaying file information B-3

local file system names B-1

network file system names B-5

setting the default B-3

filtering

in a VLAN 35-31

IPv6 traffic 36-3, 36-7

non-IP traffic 35-28

show and more command output 2-9

filtering show and more command output 2-9

filters, IP

See ACLs, IP

flash device, number of B-1

flexible authentication ordering

configuring 10-65

overview 10-29

Flex Link Multicast Fast Convergence 21-3

Flex Links

configuring 21-8, 21-9

configuring preferred VLAN 21-11

configuring VLAN load balancing 21-10

default configuration 21-8

description 21-1

link load balancing 21-2

monitoring 21-14

VLANs 21-2

flooded traffic, blocking 26-8

flow-based packet classification 1-13

flowcharts

QoS classification 37-7

QoS egress queueing and scheduling 37-19

QoS ingress queueing and scheduling 37-16

QoS policing and marking 37-11

flowcontrol

configuring 12-25

described 12-25

forward-delay time

MSTP 19-24

STP 18-23

Forwarding Information Base

See FIB

forwarding nonroutable protocols 48-1

FTP

accessing MIB files A-4

configuration files

downloading B-14

overview B-13

preparing the server B-14

uploading B-16

image files

deleting old image B-34

downloading B-32

preparing the server B-31

uploading B-34

G

general query 21-5

Generating IGMP Reports 21-3

get-bulk-request operation 33-3

get-next-request operation 33-3, 33-4

get-request operation 33-3, 33-4

get-response operation 33-3

Gigabit modules

See SFPs

global configuration mode 2-2

global leave, IGMP 24-13

guest VLAN and IEEE 802.1x 10-21

guide

audience xlix

purpose of xlix

guide mode 1-3

GUIs

See device manager and Network Assistant

H

hardware limitations and Layer 3 interfaces 12-32

hello time

MSTP 19-23

STP 18-22

help, for the command line 2-3

hierarchical policy maps 37-9

configuration guidelines 37-39

configuring 37-64

described 37-12

history

changing the buffer size 2-5

described 2-5

disabling 2-6

recalling commands 2-6

history table, level and number of syslog messages 32-10

host names in clusters 6-13

host ports

configuring 16-11

kinds of 16-2

hosts, limit on dynamic ports 13-31

Hot Standby Router Protocol

See HSRP

HP OpenView 1-6

HSRP

authentication string 42-10

automatic cluster recovery 6-12

binding to cluster group 42-12

cluster standby group considerations 6-11

command-switch redundancy 1-1, 1-8

configuring 42-5

default configuration 42-5

definition 42-1

guidelines 42-6

monitoring 42-13

object tracking 44-7

overview 42-1

priority 42-8

routing redundancy 1-14

support for ICMP redirect messages 42-12

switch stack considerations 42-5

timers 42-10

tracking 42-8

See also clusters, cluster standby group, and standby command switch

HSRP for IPv6

configuring 41-25

guidelines 41-24

HTTP(S) Over IPv6 41-8

HTTP over SSL

see HTTPS

HTTPS

configuring 9-53

described 9-49

self-signed certificate 9-50

HTTP secure server 9-49

I

IBPG 40-45

ICMP

IPv6 41-4

redirect messages 40-12

support for 1-14

time-exceeded messages 49-18

traceroute and 49-18

unreachable messages 35-20

unreachable messages and IPv6 36-4

unreachables and ACLs 35-22

ICMP Echo operation

configuring 43-11

IP SLAs 43-11

ICMP ping

executing 49-15

overview 49-15

ICMP Router Discovery Protocol

See IRDP

ICMPv6 41-4

IDS appliances

and ingress RSPAN 30-25

and ingress SPAN 30-16

IEEE 802.1D

See STP

IEEE 802.1p 15-1

IEEE 802.1Q

and trunk ports 12-3

configuration limitations 13-17

encapsulation 13-14

native VLAN for untagged traffic 13-21

tunneling

compatibility with other features 17-6

defaults 17-4

described 17-1

tunnel ports with other features 17-6

IEEE 802.1s

See MSTP

IEEE 802.1w

See RSTP

IEEE 802.1x

See port-based authentication

IEEE 802.3ad

See EtherChannel

IEEE 802.3af

See PoE

IEEE 802.3x flow control 12-25

ifIndex values, SNMP 33-5

IFS 1-7

IGMP

configurable leave timer

described 24-6

enabling 24-11

configuring the switch

as a member of a group 46-39

statically connected member 46-44

controlling access to groups 46-40

default configuration 46-39

deleting cache entries 46-63

displaying groups 46-63

fast switching 46-44

flooded multicast traffic

controlling the length of time 24-12

disabling on an interface 24-13

global leave 24-13

query solicitation 24-13

recovering from flood mode 24-13

host-query interval, modifying 46-42

joining multicast group 24-3

join messages 24-3

leave processing, enabling 24-11, 25-9

leaving multicast group 24-5

multicast reachability 46-39

overview 46-3

queries 24-4

report suppression

described 24-6

disabling 24-16, 25-11

supported versions 24-3

support for 1-4

Version 1

changing to Version 2 46-41

described 46-3

Version 2

changing to Version 1 46-41

described 46-3

maximum query response time value 46-43

pruning groups 46-43

query timeout value 46-42

IGMP filtering

configuring 24-25

default configuration 24-24

described 24-24

support for 1-5

IGMP groups

configuring filtering 24-27

setting the maximum number 24-27

IGMP helper 46-6

IGMP Immediate Leave

configuration guidelines 24-11

described 24-6

enabling 24-11

IGMP profile

applying 24-26

configuration mode 24-25

configuring 24-25

IGMP snooping

and address aliasing 24-2

and stack changes 24-7

configuring 24-7

default configuration 24-7, 25-6

definition 24-2

enabling and disabling 24-8, 25-7

global configuration 24-8

Immediate Leave 24-6

in the switch stack 24-7

method 24-8

monitoring 24-16, 25-12

querier

configuration guidelines 24-14

configuring 24-14

supported versions 24-3

support for 1-4

VLAN configuration 24-8

IGMP throttling

configuring 24-27

default configuration 24-25

described 24-24

displaying action 24-29

IGP 40-26

Immediate Leave, IGMP

described 24-6

enabling 25-9

inaccessible authentication bypass 10-23

support for multiauth ports 10-23

initial configuration

defaults 1-16

Express Setup 1-2

See also getting started guide and hardware installation guide

interface

number 12-13

range macros 12-16

interface command12-12to 12-14

interface configuration mode 2-2

interfaces

auto-MDIX, configuring 12-26

configuring

procedure 12-13

counters, clearing 12-41

default configuration 12-22

described 12-31

descriptive name, adding 12-31

displaying information about 12-40

duplex and speed configuration guidelines 12-23

flow control 12-25

management 1-5

monitoring 12-39

naming 12-31

physical, identifying 12-12

range of 12-14

restarting 12-42

shutting down 12-42

speed and duplex, configuring 12-24

status 12-39

supported 12-12

types of 12-1

interfaces range macro command 12-16

interface types 12-12

Interior Gateway Protocol

See IGP

internal BGP

See IBGP

internal neighbors, BGP 40-49

internal power supplies

See power supplies

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Internet Protocol version 6

See IPv6

Inter-Switch Link

See ISL

inter-VLAN routing 1-14, 40-2

Intrusion Detection System

See IDS appliances

inventory management TLV 28-3, 28-7

IP ACLs

for QoS classification 37-7

implicit deny 35-10, 35-14

implicit masks 35-10

named 35-15

undefined 35-21

IP addresses

128-bit 41-2

candidate or member 6-4, 6-13

classes of 40-7

cluster access 6-2

command switch 6-3, 6-11, 6-13

default configuration 40-6

discovering 7-31

for IP routing 40-5

IPv6 41-2

MAC address association 40-9

monitoring 40-18

redundant clusters 6-11

standby command switch 6-11, 6-13

See also IP information

IP base feature set 1-1

IP broadcast address 40-17

ip cef distributed command 40-91

IP directed broadcasts 40-15

ip igmp profile command 24-25

IP information

assigned

manually 3-15

through DHCP-based autoconfiguration 3-3

default configuration 3-3

IP multicast routing

addresses

all-hosts 46-3

all-multicast-routers 46-3

host group address range 46-3

administratively-scoped boundaries, described 46-47

and IGMP snooping 24-2

Auto-RP

adding to an existing sparse-mode cloud 46-26

benefits of 46-25

clearing the cache 46-63

configuration guidelines 46-12

filtering incoming RP announcement messages 46-28

overview 46-7

preventing candidate RP spoofing 46-28

preventing join messages to false RPs 46-28

setting up in a new internetwork 46-26

using with BSR 46-33

bootstrap router

configuration guidelines 46-12

configuring candidate BSRs 46-31

configuring candidate RPs 46-32

defining the IP multicast boundary 46-31

defining the PIM domain border 46-30

overview 46-7

using with Auto-RP 46-33

Cisco implementation 46-2

configuring

basic multicast routing 46-12

IP multicast boundary 46-47

default configuration 46-11

enabling

multicast forwarding 46-13

PIM mode 46-13

group-to-RP mappings

Auto-RP 46-7

BSR 46-7

MBONE

deleting sdr cache entries 46-63

described 46-46

displaying sdr cache 46-64

enabling sdr listener support 46-46

limiting DVMRP routes advertised 46-58

limiting sdr cache entry lifetime 46-46

SAP packets for conference session announcement 46-46

Session Directory (sdr) tool, described 46-46

monitoring

packet rate loss 46-64

peering devices 46-64

tracing a path 46-64

multicast forwarding, described 46-8

PIMv1 and PIMv2 interoperability 46-11

protocol interaction 46-2

reverse path check (RPF) 46-8

routing table

deleting 46-63

displaying 46-64

RP

assigning manually 46-24

configuring Auto-RP 46-25

configuring PIMv2 BSR 46-29

monitoring mapping information 46-35

using Auto-RP and BSR 46-33

stacking

stack master functions 46-10

stack member functions 46-10

statistics, displaying system and network 46-63

See also CGMP

See also DVMRP

See also IGMP

See also PIM

IP phones

and QoS 15-1

automatic classification and queueing 37-23

configuring 15-4

ensuring port security with QoS 37-45

trusted boundary for QoS 37-45

IP Port Security for Static Hosts

on a Layer 2 access port 22-20

on a PVLAN host port 22-23

IP precedence 37-2

IP-precedence-to-DSCP map for QoS 37-75

IP protocols

in ACLs 35-12

routing 1-14

IP protocols in ACLs 35-12

IP routes, monitoring 40-105

IP routing

connecting interfaces with 12-12

disabling 40-19

enabling 40-19

IP Service Level Agreements

See IP SLAs

IP service levels, analyzing 43-1

IP services feature set 1-1

IP SLAs

benefits 43-2

configuration guidelines 43-6

configuring object tracking 44-9

Control Protocol 43-4

default configuration 43-6

definition 43-1

ICMP echo operation 43-11

measuring network performance 43-3

monitoring 43-13

multioperations scheduling 43-5

object tracking 44-9

operation 43-3

reachability tracking 44-9

responder

described 43-4

enabling 43-7

response time 43-4

scheduling 43-5

SNMP support 43-2

supported metrics 43-2

threshold monitoring 43-6

track object monitoring agent, configuring 44-11

track state 44-9

UDP jitter operation 43-8

IP source guard

and 802.1x 22-18

and DHCP snooping 22-16

and EtherChannels 22-18

and port security 22-18

and private VLANs 22-18

and routed ports 22-18

and TCAM entries 22-18

and trunk interfaces 22-18

and VRF 22-18

binding configuration

automatic 22-16

manual 22-16

binding table 22-16

configuration guidelines 22-18

default configuration 22-18

described 22-16

disabling 22-19

displaying

bindings 22-25

configuration 22-25

enabling 22-19, 22-20

filtering

source IP address 22-16

source IP and MAC address 22-17

source IP address filtering 22-16

source IP and MAC address filtering 22-17

static bindings

adding 22-19, 22-20

deleting 22-20

static hosts 22-20

IP traceroute

executing 49-18

overview 49-18

IP unicast routing

address resolution 40-9

administrative distances 40-93, 40-103

ARP 40-10

assigning IP addresses to Layer 3 interfaces 40-7

authentication keys 40-104

broadcast

address 40-17

flooding 40-17

packets 40-14

storms 40-14

classless routing 40-8

configuring static routes 40-93

default

addressing configuration 40-6

gateways 40-12

networks 40-94

routes 40-94

routing 40-3

directed broadcasts 40-15

disabling 40-19

dynamic routing 40-3

enabling 40-19

EtherChannel Layer 3 interface 40-5

IGP 40-26

inter-VLAN 40-2

IP addressing

classes 40-7

configuring 40-5

IPv6 41-3

IRDP 40-13

Layer 3 interfaces 40-5

MAC address and IP address 40-9

passive interfaces 40-102

protocols

distance-vector 40-3

dynamic 40-3

link-state 40-3

proxy ARP 40-10

redistribution 40-95

reverse address resolution 40-9

routed ports 40-5

static routing 40-3

steps to configure 40-5

subnet mask 40-7

subnet zero 40-7

supernet 40-8

UDP 40-16

unicast reverse path forwarding 1-15, 40-90

with SVIs 40-5

See also BGP

See also EIGRP

See also OSPF

See also RIP

IPv4 ACLs

applying to interfaces 35-20

extended, creating 35-11

named 35-15

standard, creating 35-10

IPv4 and IPv6

port-based trust 8-2

IPv6

ACLs

displaying 36-8

limitations 36-3

matching criteria 36-3

port 36-1

precedence 36-2

router 36-1

supported 36-2

addresses 41-2

address formats 41-2

and switch stacks 41-9

applications 41-5

assigning address 41-11

autoconfiguration 41-5

CEFv6 41-19

default configuration 41-11

default router preference (DRP) 41-4

defined 41-1

Enhanced Interior Gateway Routing Protocol (EIGRP) IPv6 41-7

EIGRP IPv6 Commands 41-7

Router ID 41-7

feature limitations 41-9

features not supported 41-8

forwarding 41-11

ICMP 41-4

monitoring 41-27

neighbor discovery 41-4

OSPF 41-7

path MTU discovery 41-4

SDM templates 8-2, 25-1, 36-1

stack master functions 41-10

Stateless Autoconfiguration 41-5

supported features 41-3

switch limitations 41-9

understanding static routes 41-6

IPv6 traffic, filtering 36-3

IRDP

configuring 40-13

definition 40-13

support for 1-14

IS-IS

addresses 40-66

area routing 40-66

default configuration 40-67

monitoring 40-75

show commands 40-75

system routing 40-66

ISL

and IPv6 41-3

and trunk ports 12-3

encapsulation 1-9, 13-14

trunking with IEEE 802.1 tunneling 17-5

ISO CLNS

clear commands 40-75

dynamic routing protocols 40-65

monitoring 40-75

NETs 40-65

NSAPs 40-65

OSI standard 40-65

ISO IGRP

area routing 40-66

system routing 40-66

isolated port 16-2

isolated VLANs 16-2, 16-3

J

join messages, IGMP 24-3

K

KDC

described 9-40

See also Kerberos

keepalive messages 18-2

Kerberos

authenticating to

boundary switch 9-42

KDC 9-42

network services 9-42

configuration examples 9-39

configuring 9-43

credentials 9-40

described 9-40

KDC 9-40

operation 9-42

realm 9-41

server 9-41

support for 1-12

switch as trusted third party 9-39

terms 9-40

TGT 9-41

tickets 9-40

key distribution center

See KDC

L

l2protocol-tunnel command 17-13

LACP

Layer 2 protocol tunneling 17-9

See EtherChannel

Layer 2 frames, classification with CoS 37-2

Layer 2 interfaces, default configuration 12-22

Layer 2 protocol tunneling

configuring 17-10

configuring for EtherChannels 17-14

default configuration 17-11

defined 17-8

guidelines 17-12

Layer 2 traceroute

and ARP 49-17

and CDP 49-17

broadcast traffic 49-16

described 49-16

IP addresses and subnets 49-17

MAC addresses and VLANs 49-17

multicast traffic 49-17

multiple devices on a port 49-17

unicast traffic 49-16

usage guidelines 49-17

Layer 3 features 1-14

Layer 3 interfaces

assigning IP addresses to 40-7

assigning IPv4 and IPv6 addresses to 41-14

assigning IPv6 addresses to 41-12

changing from Layer 2 mode 40-7, 40-81, 40-82

types of 40-5

Layer 3 packets, classification methods 37-2

LDAP 4-2

Leaking IGMP Reports 21-4

LEDs, switch

See hardware installation guide

Lightweight Directory Access Protocol

See LDAP

line configuration mode 2-2

Link Aggregation Control Protocol

See EtherChannel

Link Failure, detecting unidirectional 19-7

Link Layer Discovery Protocol

See CDP

link local unicast addresses 41-3

link redundancy

See Flex Links

links, unidirectional 29-1

link state advertisements (LSAs) 40-32

link-state protocols 40-3

link-state tracking

configuring 38-25

described 38-23

LLDP

configuring 28-5

characteristics 28-6

default configuration 28-5

enabling 28-6

monitoring and maintaining 28-11

overview 28-1

supported TLVs 28-2

switch stack considerations 28-2

transmission timer and holdtime, setting 28-6

LLDP-MED

configuring

procedures 28-5

TLVs 28-7

monitoring and maintaining 28-11

overview 28-1, 28-2

supported TLVs 28-2

LLDP Media Endpoint Discovery

See LLDP-MED

load balancing 42-4

local SPAN 30-2

location TLV 28-3, 28-7

logging messages, ACL 35-9

login authentication

with RADIUS 9-29

with TACACS+ 9-14

login banners 7-17

log messages

See system message logging

Long-Reach Ethernet (LRE) technology 1-21, 1-31

loop guard

described 20-11

enabling 20-18

support for 1-8

LRE profiles, considerations in switch clusters 6-16

M

MAC/PHY configuration status TLV 28-2

MAC addresses

aging time 7-21

and VLAN association 7-20

building the address table 7-20

default configuration 7-21

disabling learning on a VLAN 7-30

discovering 7-31

displaying 7-30

displaying in the IP source binding table 22-25

dynamic

learning 7-20

removing 7-22

in ACLs 35-28

IP address association 40-9

static

adding 7-27

allowing 7-29, 7-30

characteristics of 7-27

dropping 7-28

removing 7-27

MAC address learning 1-6

MAC address learning, disabling on a VLAN 7-30

MAC address notification, support for 1-15

MAC address-table move update

configuration guidelines 21-8

configuring 21-12

default configuration 21-8

description 21-6

monitoring 21-14

MAC address-to-VLAN mapping 13-26

MAC authentication bypass 10-16

MAC extended access lists

applying to Layer 2 interfaces 35-30

configuring for QoS 37-53

creating 35-28

defined 35-28

for QoS classification 37-5

magic packet 10-27

manageability features 1-6

management access

in-band

browser session 1-7

CLI session 1-7

device manager 1-7

SNMP 1-7

out-of-band console port connection 1-7

management address TLV 28-2

management options

CLI 2-1

clustering 1-3

CNS 4-1

Network Assistant 1-2

overview 1-5

switch stacks 1-3

management VLAN

considerations in switch clusters 6-7

discovery through different management VLANs 6-7

mapping tables for QoS

configuring

CoS-to-DSCP 37-74

DSCP 37-74

DSCP-to-CoS 37-77

DSCP-to-DSCP-mutation 37-78

IP-precedence-to-DSCP 37-75

policed-DSCP 37-76

described 37-13

marking

action in policy map 37-59

action with aggregate policers 37-72

described 37-4, 37-9

matching IPv4 ACLs 35-8

maximum aging time

MSTP 19-24

STP 18-23

maximum hop count, MSTP 19-25

maximum number of allowed devices, port-based authentication 10-38

maximum-paths command 40-53, 40-92

MDA

configuration guidelines10-30to 10-31

described 1-10, 10-30

exceptions with authentication process 10-4

membership mode, VLAN port 13-3

member switch

automatic discovery 6-5

defined 6-2

managing 6-16

passwords 6-13

recovering from lost connectivity 49-12

requirements 6-4

See also candidate switch, cluster standby group, and standby command switch

messages, to users through banners 7-17

metrics, in BGP 40-53

metric translations, between routing protocols 40-98

metro tags 17-2

MHSRP 42-4

MIBs

accessing files with FTP A-4

location of files A-4

overview 33-1

SNMP interaction with 33-4

supported A-1

mini-point-of-presence

See POP

mirroring traffic for analysis 30-1

mismatches, autonegotiation 49-13

module number 12-13

monitoring

access groups 35-41

BGP 40-64

cables for unidirectional links 29-1

CDP 27-5

CEF 40-91

EIGRP 40-44

fallback bridging 48-10

features 1-15

Flex Links 21-14

HSRP 42-13

IEEE 802.1Q tunneling 17-18

IGMP

snooping 24-16, 25-12

interfaces 12-39

IP

address tables 40-18

multicast routing 46-63

routes 40-105

IP SLAs operations 43-13

IPv4 ACL configuration 35-41

IPv6 41-27

IPv6 ACL configuration 36-8

IS-IS 40-75

ISO CLNS 40-75

Layer 2 protocol tunneling 17-18

MAC address-table move update 21-14

MSDP peers 47-19

multicast router interfaces 24-17, 25-12

multi-VRF CE 40-89

network traffic for analysis with probe 30-2

object tracking 44-12

OSPF 40-36

port

blocking 26-19

protection 26-19

private VLANs 16-14

RP mapping information 46-35

SFP status 12-41, 49-14

source-active messages 47-19

speed and duplex mode 12-24

SSM mapping 46-21

traffic flowing among switches 31-1

traffic suppression 26-19

tunneling 17-18

VLAN

filters 35-42

maps 35-42

VLANs 13-14

VMPS 13-30

VTP 14-17

mrouter Port 21-3

mrouter port 21-5

MSDP

benefits of 47-3

clearing MSDP connections and statistics 47-19

controlling source information

forwarded by switch 47-12

originated by switch 47-8

received by switch 47-14

default configuration 47-4

dense-mode regions

sending SA messages to 47-17

specifying the originating address 47-18

filtering

incoming SA messages 47-14

SA messages to a peer 47-12

SA requests from a peer 47-11

join latency, defined 47-6

meshed groups

configuring 47-16

defined 47-16

originating address, changing 47-18

overview 47-1

peer-RPF flooding 47-2

peers

configuring a default 47-4

monitoring 47-19

peering relationship, overview 47-1

requesting source information from 47-8

shutting down 47-16

source-active messages

caching 47-6

clearing cache entries 47-19

defined 47-2

filtering from a peer 47-11

filtering incoming 47-14

filtering to a peer 47-12

limiting data with TTL 47-14

monitoring 47-19

restricting advertised sources 47-9

support for 1-14

MSTP

boundary ports

configuration guidelines 19-16

described 19-6

BPDU filtering

described 20-3

enabling 20-14

BPDU guard

described 20-2

enabling 20-13

CIST, described 19-3

CIST regional root 19-3

CIST root 19-5

configuration guidelines 19-15, 20-12

configuring

forward-delay time 19-24

hello time 19-23

link type for rapid convergence 19-25

maximum aging time 19-24

maximum hop count 19-25

MST region 19-16

neighbor type 19-26

path cost 19-21

port priority 19-20

root switch 19-18

secondary root switch 19-19

switch priority 19-22

CST

defined 19-3

operations between regions 19-3

default configuration 19-14

default optional feature configuration 20-12

displaying status 19-27

enabling the mode 19-16

EtherChannel guard

described 20-10

enabling 20-17

extended system ID

effects on root switch 19-18

effects on secondary root switch 19-19

unexpected behavior 19-18

IEEE 802.1s

implementation 19-6

port role naming change 19-6

terminology 19-5

instances supported 18-10

interface state, blocking to forwarding 20-2

interoperability and compatibility among modes 18-11

interoperability with IEEE 802.1D

described 19-8

restarting migration process 19-26

IST

defined 19-2

master 19-3

operations within a region 19-3

loop guard

described 20-11

enabling 20-18

mapping VLANs to MST instance 19-17

MST region

CIST 19-3

configuring 19-16

described 19-2

hop-count mechanism 19-5

IST 19-2

supported spanning-tree instances 19-2

optional features supported 1-8

overview 19-2

Port Fast

described 20-2

enabling 20-12

preventing root switch selection 20-10

root guard

described 20-10

enabling 20-18

root switch

configuring 19-18

effects of extended system ID 19-18

unexpected behavior 19-18

shutdown Port Fast-enabled port 20-2

stack changes, effects of 19-8

status, displaying 19-27

MTU

system 12-34

system jumbo 12-34

system routing 12-34

multiauth

support for inaccessible authentication bypass 10-23

multiauth mode

See multiple-authentication mode

multicast groups

Immediate Leave 24-6

joining 24-3

leaving 24-5

static joins 24-10, 25-8

multicast packets

ACLs on 35-41

blocking 26-8

multicast router interfaces, monitoring 24-17, 25-12

multicast router ports, adding 24-9, 25-8

Multicast Source Discovery Protocol

See MSDP

multicast storm 26-1

multicast storm-control command 26-4

multicast television application 24-18

multicast VLAN 24-17

Multicast VLAN Registration

See MVR

multidomain authentication

See MDA

multioperations scheduling, IP SLAs 43-5

multiple authentication 10-13

Multiple HSRP

See MHSRP

multiple VPN routing/forwarding in customer edge devices

See multi-VRF CE

multi-VRF CE

configuration example 40-86

configuration guidelines 40-78

configuring 40-78

default configuration 40-78

defined 40-75

displaying 40-89

monitoring 40-89

network components 40-78

packet-forwarding process 40-77

support for 1-14

MVR

and address aliasing 24-20

and IGMPv3 24-21

configuring interfaces 24-22

default configuration 24-20

described 24-17

example application 24-18

in the switch stack 24-20

modes 24-21

multicast television application 24-18

setting global parameters 24-21

support for 1-5

N

NAC

AAA down policy 1-11

critical authentication 10-23, 10-54

IEEE 802.1x authentication using a RADIUS server 10-59

IEEE 802.1x validation using RADIUS server 10-59

inaccessible authentication bypass 1-11, 10-54

Layer 2 IEEE 802.1x validation 1-11, 10-59

Layer 2 IEEE802.1x validation 10-29

Layer 2 IP validation 1-11

named IPv4 ACLs 35-15

named IPv6 ACLs 36-3

NameSpace Mapper

See NSM

native VLAN

and IEEE 802.1Q tunneling 17-4

configuring 13-21

default 13-21

NEAT

configuring 10-60

overview 10-31

neighbor discovery, IPv6 41-4

neighbor discovery/recovery, EIGRP 40-37

neighbors, BGP 40-59

Network Admission Control

See NAC

Network Assistant

benefits 1-2

described 1-5

downloading image files 1-3

guide mode 1-3

management options 1-2

managing switch stacks 5-2, 5-16

requirements l

upgrading a switch B-25

wizards 1-3

network configuration examples

cost-effective wiring closet 1-21

high-performance wiring closet 1-22

increasing network performance 1-19

large network 1-28

long-distance, high-bandwidth transport 1-32

multidwelling network 1-31

providing network services 1-20

redundant Gigabit backbone 1-24

server aggregation and Linux server cluster 1-24

small to medium-sized network 1-26

network design

performance 1-20

services 1-20

Network Edge Access Topology

See NEAT

network management

CDP 27-1

RMON 31-1

SNMP 33-1

network performance, measuring with IP SLAs 43-3

network policy TLV 28-2, 28-7

Network Time Protocol

See NTP

no commands 2-4

nonhierarchical policy maps

configuration guidelines 37-39

configuring 37-59

described 37-10

non-IP traffic filtering 35-28

nontrunking mode 13-16

normal-range VLANs 13-4

configuration guidelines 13-5

configuring 13-4

defined 13-1

no switchport command 12-4

note, described l

not-so-stubby areas

See NSSA

NSAPs, as ISO IGRP addresses 40-66

NSF Awareness

IS-IS 40-68

NSM 4-3

NSSA, OSPF 40-32

NTP

associations

authenticating 7-4

defined 7-2

enabling broadcast messages 7-6

peer 7-5

server 7-5

default configuration 7-4

displaying the configuration 7-11

overview 7-2

restricting access

creating an access group 7-8

disabling NTP services per interface 7-10

source IP address, configuring 7-10

stratum 7-2

support for 1-7

synchronizing devices 7-5

time

services 7-2

synchronizing 7-2

O

OBFL

configuring 49-26

described 49-26

displaying 49-27

object tracking

HSRP 44-7

IP SLAs 44-9

IP SLAs, configuring 44-9

monitoring 44-12

offline configuration for switch stacks 5-8

off mode, VTP 14-3

on-board failure logging

See OBFL

online diagnostics

described 50-1

overview 50-1

running tests 50-5

open1x

configuring 10-65

open1x authentication

overview 10-29

Open Shortest Path First

See OSPF

optimizing system resources 8-1

options, management 1-5

OSPF

area parameters, configuring 40-32

configuring 40-30

default configuration

metrics 40-33

route 40-33

settings 40-27

described 40-26

for IPv6 41-7

interface parameters, configuring 40-31

LSA group pacing 40-35

monitoring 40-36

router IDs 40-35

route summarization 40-33

support for 1-14

virtual links 40-33

out-of-profile markdown 1-13

P

packet modification, with QoS 37-22

PAgP

Layer 2 protocol tunneling 17-9

See EtherChannel

parallel paths, in routing tables 40-92

passive interfaces

configuring 40-102

OSPF 40-34

passwords

default configuration 9-2

disabling recovery of 9-5

encrypting 9-3

for security 1-10

in clusters 6-14

overview 9-1

recovery of 49-3

setting

enable 9-3

enable secret 9-3

Telnet 9-6

with usernames 9-6

VTP domain 14-9

path cost

MSTP 19-21

STP 18-20

path MTU discovery 41-4

PBR

defined 40-98

enabling 40-100

fast-switched policy-based routing 40-101

local policy-based routing 40-101

PC (passive command switch) 6-10

peers, BGP 40-59

percentage thresholds in tracked lists 44-6

performance, network design 1-19

performance features 1-4

persistent self-signed certificate 9-50

per-user ACLs and Filter-Ids 10-9

per-VLAN spanning-tree plus

See PVST+

PE to CE routing, configuring 40-85

physical ports 12-2

PIM

default configuration 46-11

dense mode

overview 46-4

rendezvous point (RP), described 46-5

RPF lookups 46-9

displaying neighbors 46-64

enabling a mode 46-13

overview 46-4

router-query message interval, modifying 46-38

shared tree and source tree, overview 46-35

shortest path tree, delaying the use of 46-37

sparse mode

join messages and shared tree 46-5

overview 46-5

prune messages 46-5

RPF lookups 46-9

stub routing

configuration guidelines 46-22

enabling 46-22

overview 46-5

support for 1-14

versions

interoperability 46-11

troubleshooting interoperability problems 46-35

v2 improvements 46-4

PIM-DVMRP, as snooping method 24-9

ping

character output description 49-16

executing 49-15

overview 49-15

PoE

auto mode 12-9

CDP with power consumption, described 12-7

CDP with power negotiation, described 12-7

Cisco intelligent power management 12-7

configuring 12-27

devices supported 12-6

high-power devices operating in low-power mode 12-7

IEEE power classification levels 12-8

monitoring 12-10

monitoring power 12-30

policing power consumption 12-30

policing power usage 12-10

power budgeting 12-28

power consumption 12-28

powered-device detection and initial power allocation 12-7

power management modes 12-9

power negotiation extensions to CDP 12-7

standards supported 12-7

static mode 12-9

supported watts per port 12-7

troubleshooting 49-13

policed-DSCP map for QoS 37-76

policers

configuring

for each matched traffic class 37-59

for more than one traffic class 37-72

described 37-4

displaying 37-92

number of 37-40

types of 37-10

policing

described 37-4

hierarchical

See hierarchical policy maps

token-bucket algorithm 37-10

policy-based routing

See PBR

policy maps for QoS

characteristics of 37-60

described 37-8

displaying 37-92

hierarchical 37-9

hierarchical on SVIs

configuration guidelines 37-39

configuring 37-64

described 37-12

nonhierarchical on physical ports

configuration guidelines 37-39

configuring 37-59

described 37-10

POP 1-31

port ACLs

defined 35-2

types of 35-3

Port Aggregation Protocol

See EtherChannel

port-based authentication

accounting 10-15

authentication server

defined 10-3, 11-2

RADIUS server 10-3

client, defined 10-3, 11-2

configuration guidelines 10-35, 11-9

configuring

802.1x authentication 10-41

guest VLAN 10-51

host mode 10-44

inaccessible authentication bypass 10-54

manual re-authentication of a client 10-46

periodic re-authentication 10-45

quiet period 10-46

RADIUS server 10-43, 11-12

RADIUS server parameters on the switch 10-42, 11-11

restricted VLAN 10-52

switch-to-client frame-retransmission number 10-47, 10-48

switch-to-client retransmission time 10-47

violation mode 10-27

violation modes10-40to 10-41

default configuration 10-34, 11-9

described 10-1

device roles 10-3, 11-2

displaying statistics 10-68, 11-17

downloadable ACLs and redirect URLs

configuring10-62to 10-64, ??to 10-65

overview10-19to 10-21

EAPOL-start frame 10-6

EAP-request/identity frame 10-6

EAP-response/identity frame 10-6

enabling

802.1X authentication 11-11

encapsulation 10-3

flexible authentication ordering

configuring 10-65

overview 10-29

guest VLAN

configuration guidelines 10-22, 10-23

described 10-21

host mode 10-12

inaccessible authentication bypass

configuring 10-54

described 10-23

guidelines 10-37

initiation and message exchange 10-6

magic packet 10-27

maximum number of allowed devices per port 10-38

method lists 10-41

multiple authentication 10-13

multiple-hosts mode, described 10-12

per-user ACLs

AAA authorization 10-41

configuration tasks 10-19

described 10-18

RADIUS server attributes 10-18

ports

authorization state and dot1x port-control command 10-11

authorized and unauthorized 10-11

voice VLAN 10-25

port security

and voice VLAN 10-27

described 10-26

interactions 10-26

multiple-hosts mode 10-12

readiness check

configuring 10-38

described 10-16, 10-38

resetting to default values 10-67

stack changes, effects of 10-11

statistics, displaying 10-68

switch

as proxy 10-3, 11-2

RADIUS client 10-3

switch supplicant

configuring 10-60

overview 10-31

user distribution

guidelines 10-25

overview 10-25

VLAN assignment

AAA authorization 10-41

characteristics 10-17

configuration tasks 10-17

described 10-16

voice aware 802.1x security

configuring 10-39

described 10-32, 10-39

voice VLAN

described 10-25

PVID 10-25

VVID 10-25

wake-on-LAN, described 10-27

port-based authentication methods, supported 10-8

port-based trust

IPv4 and IPv6 8-2

port blocking 1-4, 26-7

port-channel

See EtherChannel

port description TLV 28-2

Port Fast

described 20-2

enabling 20-12

mode, spanning tree 13-27

support for 1-8

port membership modes, VLAN 13-3

port priority

MSTP 19-20

STP 18-18

ports

10-Gigabit Ethernet 12-6

access 12-3

blocking 26-7

dynamic access 13-3

protected 26-6

routed 12-4

secure 26-9

static-access 13-3, 13-9

switch 12-2

trunks 13-3, 13-14

VLAN assignments 13-9

port security

aging 26-17

and other features 26-11

and private VLANs 26-18

and QoS trusted boundary 37-45

and stacking 26-18

configuration guidelines 26-11

configuring 26-13

default configuration 26-11

described 26-8

displaying 26-19

enabling 26-18

on trunk ports 26-14

sticky learning 26-9

violations 26-10

port-shutdown response, VMPS 13-26

port VLAN ID TLV 28-2

power management TLV 28-2, 28-7

Power over Ethernet

See PoE

power supply

configuring 12-38

managing 12-38

preemption, default configuration 21-8

preemption delay, default configuration 21-8

preferential treatment of traffic

See QoS

prefix lists, BGP 40-57

preventing unauthorized access 9-1

primary interface for object tracking, DHCP, configuring 44-11

primary interface for static routing, configuring 44-10

primary links 21-2

primary VLANs 16-1, 16-3

priority

HSRP 42-8

overriding CoS 15-6

trusting CoS 15-6

private VLAN edge ports

See protected ports

private VLANs

across multiple switches 16-4

and SDM template 16-4

and SVIs 16-5

and switch stacks 16-5

benefits of 16-1

community ports 16-2

community VLANs 16-2, 16-3

configuration guidelines 16-7, 16-8

configuration tasks 16-6

configuring 16-9

default configuration 16-6

end station access to 16-3

IP addressing 16-3

isolated port 16-2

isolated VLANs 16-2, 16-3

mapping 16-13

monitoring 16-14

ports

community 16-2

configuration guidelines 16-8

configuring host ports 16-11

configuring promiscuous ports 16-12

isolated 16-2

promiscuous 16-2

primary VLANs 16-1, 16-3

promiscuous ports 16-2

secondary VLANs 16-2

subdomains 16-1

traffic in 16-5

privileged EXEC mode 2-2

privilege levels

changing the default for lines 9-9

command switch 6-17

exiting 9-9

logging into 9-9

mapping on member switches 6-17

overview 9-2, 9-7

setting a command with 9-8

promiscuous ports

configuring 16-12

defined 16-2

protected ports 1-10, 26-6

protocol-dependent modules, EIGRP 40-37

Protocol-Independent Multicast Protocol

See PIM

provider edge devices 40-76

provisioning new members for a switch stack 5-8

proxy ARP

configuring 40-12

definition 40-10

with IP routing disabled 40-12

proxy reports 21-3

pruning, VTP

disabling

in VTP domain 14-15

on a port 13-21

enabling

in VTP domain 14-15

on a port 13-20

examples 14-7

overview 14-6

pruning-eligible list

changing 13-20

for VTP pruning 14-6

VLANs 14-15

PVST+

described 18-10

IEEE 802.1Q trunking interoperability 18-11

instances supported 18-10

Q

QoS

and MQC commands 37-2

auto-QoS

categorizing traffic 37-24

configuration and defaults display 37-35

configuration guidelines 37-33

described 37-23

disabling 37-35

displaying generated commands 37-35

displaying the initial configuration 37-35

effects on running configuration 37-33

egress queue defaults 37-25

list of generated commands 37-26

basic model 37-4

classification

class maps, described 37-8

defined 37-4

DSCP transparency, described 37-46

flowchart 37-7

forwarding treatment 37-3

in frames and packets 37-3

IP ACLs, described 37-7, 37-8

MAC ACLs, described 37-5, 37-8

options for IP traffic 37-6

options for non-IP traffic 37-5

policy maps, described 37-8

trust DSCP, described 37-5

trusted CoS, described 37-5

trust IP precedence, described 37-5

class maps

configuring 37-54

displaying 37-92

configuration guidelines

auto-QoS 37-33

standard QoS 37-39

configuring

aggregate policers 37-72

auto-QoS 37-23

default port CoS value 37-44

DSCP maps 37-74

DSCP transparency 37-46

DSCP trust states bordering another domain 37-47

egress queue characteristics 37-84

ingress queue characteristics 37-80

IP extended ACLs 37-50

IP standard ACLs 37-49

MAC ACLs 37-53

policy maps, hierarchical 37-64

policy maps on physical ports 37-59

port trust states within the domain 37-43

trusted boundary 37-45

default auto configuration 37-24

default standard configuration 37-36

displaying statistics 37-92

DSCP transparency 37-46

egress queues

allocating buffer space 37-85

buffer allocation scheme, described 37-20

configuring shaped weights for SRR 37-89

configuring shared weights for SRR 37-90

described 37-4

displaying the threshold map 37-88

flowchart 37-19

mapping DSCP or CoS values 37-87

scheduling, described 37-4

setting WTD thresholds 37-85

WTD, described 37-22

enabling globally 37-41

flowcharts

classification 37-7

egress queueing and scheduling 37-19

ingress queueing and scheduling 37-16

policing and marking 37-11

implicit deny 37-8

ingress queues

allocating bandwidth 37-82

allocating buffer space 37-82

buffer and bandwidth allocation, described 37-18

configuring shared weights for SRR 37-82

configuring the priority queue 37-83

described 37-4

displaying the threshold map 37-81

flowchart 37-16

mapping DSCP or CoS values 37-81

priority queue, described 37-18

scheduling, described 37-4

setting WTD thresholds 37-81

WTD, described 37-18

IP phones

automatic classification and queueing 37-23

detection and trusted settings 37-23, 37-45

limiting bandwidth on egress interface 37-91

mapping tables

CoS-to-DSCP 37-74

displaying 37-92

DSCP-to-CoS 37-77

DSCP-to-DSCP-mutation 37-78

IP-precedence-to-DSCP 37-75

policed-DSCP 37-76

types of 37-13

marked-down actions 37-62, 37-68

marking, described 37-4, 37-9

overview 37-2

packet modification 37-22

policers

configuring 37-62, 37-68, 37-72

described 37-9

displaying 37-92

number of 37-40

types of 37-10

policies, attaching to an interface 37-9

policing

described 37-4, 37-9

token bucket algorithm 37-10

policy maps

characteristics of 37-60

displaying 37-92

hierarchical 37-9

hierarchical on SVIs 37-64

nonhierarchical on physical ports 37-59

QoS label, defined 37-4

queues

configuring egress characteristics 37-84

configuring ingress characteristics 37-80

high priority (expedite) 37-22, 37-90

location of 37-14

SRR, described 37-15

WTD, described 37-15

rewrites 37-22

support for 1-12

trust states

bordering another domain 37-47

described 37-5

trusted device 37-45

within the domain 37-43

quality of service

See QoS

queries, IGMP 24-4

query solicitation, IGMP 24-13

R

RADIUS

attributes

vendor-proprietary 9-37

vendor-specific 9-35

configuring

accounting 9-34

authentication 9-29

authorization 9-33

communication, global 9-27, 9-35

communication, per-server 9-27

multiple UDP ports 9-27

default configuration 9-27

defining AAA server groups 9-31

displaying the configuration 9-39

identifying the server 9-27

in clusters 6-16

limiting the services to the user 9-33

method list, defined 9-26

operation of 9-19

overview 9-18

server load balancing 9-39

suggested network environments 9-18

support for 1-12

tracking services accessed by user 9-34

RADIUS Change of Authorization 9-19

range

macro 12-16

of interfaces 12-14

rapid convergence 19-10

rapid per-VLAN spanning-tree plus

See rapid PVST+

rapid PVST+

described 18-10

IEEE 802.1Q trunking interoperability 18-11

instances supported 18-10

Rapid Spanning Tree Protocol

See RSTP

RARP 40-10

rcommand command 6-16

RCP

configuration files

downloading B-18

overview B-17

preparing the server B-17

uploading B-19

image files

deleting old image B-38

downloading B-37

preparing the server B-36

uploading B-38

reachability, tracking IP SLAs IP host 44-9

readiness check

port-based authentication

configuring 10-38

described 10-16, 10-38

reconfirmation interval, VMPS, changing 13-29

reconfirming dynamic VLAN membership 13-29

redirect URL 10-19, 10-20, 10-62

redundancy

EtherChannel 38-3

HSRP 42-1

STP

backbone 18-8

multidrop backbone 20-5

path cost 13-24

port priority 13-22

redundant links and UplinkFast 20-15

redundant power system

See Cisco Redundant Power System 2300

reliable transport protocol, EIGRP 40-37

reloading software 3-24

Remote Authentication Dial-In User Service

See RADIUS

Remote Copy Protocol

See RCP

Remote Network Monitoring

See RMON

Remote SPAN

See RSPAN

remote SPAN 30-3

report suppression, IGMP

described 24-6

disabling 24-16, 25-11

requirements

cluster l

device manager l

Network Assistant l

resequencing ACL entries 35-15

reserved addresses in DHCP pools 22-27

resets, in BGP 40-51

resetting a UDLD-shutdown interface 29-6

responder, IP SLAs

described 43-4

enabling 43-7

response time, measuring with IP SLAs 43-4

restricted VLAN

configuring 10-52

described 10-22

using with IEEE 802.1x 10-22

restricting access

NTP services 7-8

overview 9-1

passwords and privilege levels 9-2

RADIUS 9-17

TACACS+ 9-10

retry count, VMPS, changing 13-30

reverse address resolution 40-9

Reverse Address Resolution Protocol

See RARP

RFC

1058, RIP 40-20

1112, IP multicast and IGMP 24-2

1157, SNMPv1 33-2

1163, BGP 40-44

1166, IP addresses 40-7

1253, OSPF 40-26

1267, BGP 40-44

1305, NTP 7-2

1587, NSSAs 40-26

1757, RMON 31-2

1771, BGP 40-44

1901, SNMPv2C 33-2

1902 to 1907, SNMPv2 33-2

2236, IP multicast and IGMP 24-2

2273-2275, SNMPv3 33-2

RFC 5176 Compliance 9-20

RIP

advertisements 40-20

authentication 40-23

configuring 40-21

default configuration 40-21

described 40-20

for IPv6 41-7

hop counts 40-20

split horizon 40-23

summary addresses 40-24

support for 1-14

RMON

default configuration 31-3

displaying status 31-6

enabling alarms and events 31-3

groups supported 31-2

overview 31-1

statistics

collecting group Ethernet 31-6

collecting group history 31-5

support for 1-16

root guard

described 20-10

enabling 20-18

support for 1-8

root switch

MSTP 19-18

STP 18-16

route calculation timers, OSPF 40-34

route dampening, BGP 40-63

routed packets, ACLs on 35-40

routed ports

configuring 40-5

defined 12-4

in switch clusters 6-8

IP addresses on 12-32, 40-5

route-map command 40-100

route maps

BGP 40-55

policy-based routing 40-98

router ACLs

defined 35-2

types of 35-4

route reflectors, BGP 40-62

router ID, OSPF 40-35

route selection, BGP 40-53

route summarization, OSPF 40-33

route targets, VPN 40-78

routing

default 40-3

dynamic 40-3

redistribution of information 40-95

static 40-3

routing domain confederation, BGP 40-62

Routing Information Protocol

See RIP

routing protocol administrative distances 40-93

RPS

See Cisco Redundant Power System 2300

RPS 2300

See Cisco Redundant Power System 2300

RSPAN 30-3

and stack changes 30-11

characteristics 30-9

configuration guidelines 30-19

default configuration 30-12

destination ports 30-8

displaying status 30-31

in a switch stack 30-3

interaction with other features 30-10

monitored ports 30-7

monitoring ports 30-8

overview 1-15, 30-1

received traffic 30-6

session limits 30-13

sessions

creating 30-20

defined 30-4

limiting source traffic to specific VLANs 30-22

specifying monitored ports 30-20

with ingress traffic enabled 30-25

source ports 30-7

transmitted traffic 30-6

VLAN-based 30-7

RSTP

active topology 19-9

BPDU

format 19-12

processing 19-13

designated port, defined 19-9

designated switch, defined 19-9

interoperability with IEEE 802.1D

described 19-8

restarting migration process 19-26

topology changes 19-13

overview 19-9

port roles

described 19-9

synchronized 19-11

proposal-agreement handshake process 19-10

rapid convergence

cross-stack rapid convergence 19-11

described 19-10

edge ports and Port Fast 19-10

point-to-point links 19-10, 19-25

root ports 19-10

root port, defined 19-9

See also MSTP

running configuration

replacing B-20, B-21

rolling back B-20, B-22

saving 3-16

S

SC (standby command switch) 6-10

scheduled reloads 3-24

scheduling, IP SLAs operations 43-5

SCP

and SSH 9-55

configuring 9-56

SDM

described 8-1

switch stack consideration 5-10

templates

configuring 8-5

number of 8-1

SDM template

configuring 8-4

dual IPv4 and IPv6 8-2

types of 8-1

secondary VLANs 16-2

Secure Copy Protocol

secure HTTP client

configuring 9-54

displaying 9-55

secure HTTP server

configuring 9-53

displaying 9-55

secure MAC addresses

and switch stacks 26-18

deleting 26-16

maximum number of 26-10

types of 26-9

secure ports

and switch stacks 26-18

configuring 26-9

secure remote connections 9-45

Secure Shell

See SSH

Secure Socket Layer

See SSL

security, port 26-8

security features 1-9

See SCP

sequence numbers in log messages 32-8

server mode, VTP 14-3

service-provider network, MSTP and RSTP 19-1

service-provider networks

and customer VLANs 17-2

and IEEE 802.1Q tunneling 17-1

Layer 2 protocols across 17-8

Layer 2 protocol tunneling for EtherChannels 17-9

set-request operation 33-4

setup program

failed command switch replacement 49-11

replacing failed command switch 49-9

severity levels, defining in system messages 32-9

SFPs

monitoring status of 12-41, 49-14

numbering of 12-13

security and identification 49-14

status, displaying 49-14

shaped round robin

See SRR

show access-lists hw-summary command 35-22

show and more command output, filtering 2-9

show cdp traffic command 27-5

show cluster members command 6-16

show configuration command 12-31

show forward command 49-22

show interfaces command 12-24, 12-31

show interfaces switchport 21-4

show l2protocol command 17-13, 17-15, 17-16

show lldp traffic command 28-11

show platform forward command 49-22

show running-config command

displaying ACLs 35-20, 35-21, 35-33, 35-35

interface description in 12-31

shutdown command on interfaces 12-42

shutdown threshold for Layer 2 protocol packets 17-11

Simple Network Management Protocol

See SNMP

single session ID 10-33

small form-factor pluggable modules

See SFPs

small-frame arrival rate, configuring 26-5

SNAP 27-1

SNMP

accessing MIB variables with 33-4

agent

described 33-4

disabling 33-7

and IP SLAs 43-2

authentication level 33-10

community strings

configuring 33-8

for cluster switches 33-4

overview 33-4

configuration examples 33-18

default configuration 33-6

engine ID 33-7

groups 33-7, 33-9

host 33-7

ifIndex values 33-5

in-band management 1-7

in clusters 6-14

informs

and trap keyword 33-12

described 33-5

differences from traps 33-5

disabling 33-15

enabling 33-15

limiting access by TFTP servers 33-17

limiting system log messages to NMS 32-10

manager functions 1-6, 33-3

managing clusters with 6-17

MIBs

location of A-4

supported A-1

notifications 33-5

overview 33-1, 33-4

security levels 33-3

setting CPU threshold notification 33-16

status, displaying 33-19

system contact and location 33-16

trap manager, configuring 33-14

traps

described 33-3, 33-5

differences from informs 33-5

disabling 33-15

enabling 33-12

enabling MAC address notification 7-22, 7-24, 7-25

overview 33-1, 33-4

types of 33-12

users 33-7, 33-9

versions supported 33-2

SNMP and Syslog Over IPv6 41-7

SNMPv1 33-2

SNMPv2C 33-2

SNMPv3 33-2

snooping, IGMP 24-2

software compatibility

See stacks, switch

software images

location in flash B-26

recovery procedures 49-2

scheduling reloads 3-24

tar file format, described B-26

See also downloading and uploading

software images in mixed stacks

See the Cisco Software Activation and Compatibility Document

source addresses

in IPv4 ACLs 35-12

in IPv6 ACLs 36-5

source-and-destination-IP address based forwarding, EtherChannel 38-9

source-and-destination MAC address forwarding, EtherChannel 38-9

source-IP address based forwarding, EtherChannel 38-9

source-MAC address forwarding, EtherChannel 38-8

Source-specific multicast

See SSM

SPAN

and stack changes 30-11

configuration guidelines 30-13

default configuration 30-12

destination ports 30-8

displaying status 30-31

interaction with other features 30-10

monitored ports 30-7

monitoring ports 30-8

overview 1-15, 30-1

ports, restrictions 26-12

received traffic 30-6

session limits 30-13

sessions

configuring ingress forwarding 30-17, 30-26

creating 30-14, 30-28

defined 30-4

limiting source traffic to specific VLANs 30-18

removing destination (monitoring) ports 30-15

specifying monitored ports 30-14, 30-28

with ingress traffic enabled 30-16

source ports 30-7

transmitted traffic 30-6

VLAN-based 30-7

spanning tree and native VLANs 13-17

Spanning Tree Protocol

See STP

SPAN traffic 30-6

split horizon, RIP 40-23

SRR

configuring

shaped weights on egress queues 37-89

shared weights on egress queues 37-90

shared weights on ingress queues 37-82

described 37-15

shaped mode 37-15

shared mode 37-16

support for 1-13

SSH

configuring 9-46

described 1-7, 9-45

encryption methods 9-45

switch stack considerations 5-17

user authentication methods, supported 9-45

SSL

configuration guidelines 9-52

configuring a secure HTTP client 9-54

configuring a secure HTTP server 9-53

described 9-49

monitoring 9-55

SSM

address management restrictions 46-16

CGMP limitations 46-16

components 46-14

configuration guidelines 46-16

configuring 46-14, 46-17

differs from Internet standard multicast 46-14

IGMP snooping 46-16

IGMPv3 46-14

IGMPv3 Host Signalling 46-15

IP address range 46-15

monitoring 46-17

operations 46-15

PIM 46-14

state maintenance limitations 46-16

SSM mapping 46-17

configuration guidelines 46-17

configuring 46-17, 46-19

DNS-based 46-18, 46-20

monitoring 46-21

overview 46-18

restrictions 46-18

static 46-18, 46-20

static traffic forwarding 46-21

stack changes

effects on

IPv6 routing 41-10

stack changes, effects on

ACL configuration 35-7

CDP 27-2

cross-stack EtherChannel 38-13

EtherChannel 38-10

fallback bridging 48-3

HSRP 42-5

IEEE 802.1x port-based authentication 10-11

IGMP snooping 24-7

IP routing 40-4

IPv6 ACLs 36-3

MAC address tables 7-21

MSTP 19-8

multicast routing 46-10

MVR 24-18

port security 26-18

SDM template selection 8-3

SNMP 33-1

SPAN and RSPAN 30-11

STP 18-12

switch clusters 6-14

system message log 32-2

VLANs 13-6

VTP 14-7

stack master

bridge ID (MAC address) 5-7

defined 5-2

election 5-5

IPv6 41-10

re-election 5-5

See also stacks, switch

stack member

accessing CLI of specific member 5-25

configuring

member number 5-22

priority value 5-23

defined 5-2

displaying information of 5-25

IPv6 41-10

number 5-7

priority value 5-8

provisioning a new member 5-23

replacing 5-16

See also stacks, switch

stack member number 12-13

stack protocol version 5-11

stacks, switch

accessing CLI of specific member 5-25

assigning information

member number 5-22

priority value 5-23

provisioning a new member 5-23

auto-advise 5-12

auto-copy 5-12

auto-extract 5-12

auto-upgrade 5-12

bridge ID 5-7

Catalyst 3750-E-only 5-1

CDP considerations 27-2

compatibility, software 5-11

configuration file 5-15

configuration scenarios 5-18

copying an image file from one member to another B-39

default configuration 5-20

description of 5-1

displaying information of 5-25

enabling persistent MAC address timer 5-20

hardware compatibility and SDM mismatch mode 5-10

HSRP considerations 42-5

in clusters 6-14

incompatible software and image upgrades 5-15, B-39

IPv6 on 41-9

MAC address considerations 7-21

MAC address of 5-20

management connectivity 5-16

managing 5-1

managing mixed

See Catalyst 3750-E and 3750 Switch Stacking Compatibility Guide

membership 5-3

merged 5-4

mixed

hardware 5-1

hardware and software 5-2

software 5-2

with Catalyst 3750-E and 3750 switches 5-1

mixed software images

See Cisco Software Activation and Compatibility Document

MSTP instances supported 18-10

multicast routing, stack master and member roles 46-10

offline configuration

described 5-8

effects of adding a provisioned switch 5-8

effects of removing a provisioned switch 5-10

effects of replacing a provisioned switch 5-10

provisioned configuration, defined 5-8

provisioned switch, defined 5-8

provisioning a new member 5-23

partitioned 5-4, 49-8

provisioned switch

adding 5-8

removing 5-10

replacing 5-10

replacing a failed member 5-16

software compatibility 5-11

software image version 5-11

stack protocol version 5-11

STP

bridge ID 18-3

instances supported 18-10

root port selection 18-3

stack root switch election 18-3

system messages

hostnames in the display 32-1

remotely monitoring 32-2

system prompt consideration 7-14

system-wide configuration considerations 5-16

upgrading B-39

version-mismatch (VM) mode

automatic upgrades with auto-upgrade 5-12

described 5-11

examples 5-13

manual upgrades with auto-advise 5-12

upgrades with auto-extract 5-12

See also stack master and stack member

StackWise Plus technology, Cisco 1-3

See also stacks, switch

standby command switch

configuring

considerations 6-11

defined 6-2

priority 6-10

requirements 6-3

virtual IP address 6-11

See also cluster standby group and HSRP

standby group, cluster

See cluster standby group and HSRP

standby ip command 42-6

standby links 21-2

standby router 42-1

standby timers, HSRP 42-10

startup configuration

booting

manually 3-19

specific image 3-20

clearing B-20

configuration file

automatically downloading 3-18

specifying the filename 3-19

default boot configuration 3-18

static access ports

assigning to VLAN 13-9

defined 12-3, 13-3

static addresses

See addresses

static IP routing 1-14

static MAC addressing 1-10

static route primary interface, configuring 44-10

static routes

configuring 40-93

understanding 41-6

static routing 40-3

static routing support, enhanced object tracking 44-10

static SSM mapping 46-18, 46-20

static traffic forwarding 46-21

static VLAN membership 13-2

statistics

802.1X 11-17

CDP 27-5

IEEE 802.1x 10-68

interface 12-40

IP multicast routing 46-63

OSPF 40-36

QoS ingress and egress 37-92

RMON group Ethernet 31-6

RMON group history 31-5

SNMP input and output 33-19

VTP 14-17

sticky learning 26-9

storm control

configuring 26-3

described 26-1

disabling 26-5

displaying 26-19

support for 1-4

thresholds 26-1

STP

accelerating root port selection 20-4

BackboneFast

described 20-7

disabling 20-17

enabling 20-16

BPDU filtering

described 20-3

disabling 20-15

enabling 20-14

BPDU guard

described 20-2

disabling 20-14

enabling 20-13

BPDU message exchange 18-3

configuration guidelines 18-13, 20-12

configuring

forward-delay time 18-23

hello time 18-22

maximum aging time 18-23

path cost 18-20

port priority 18-18

root switch 18-16

secondary root switch 18-18

spanning-tree mode 18-15

switch priority 18-21

transmit hold-count 18-24

counters, clearing 18-24

cross-stack UplinkFast

described 20-5

enabling 20-16

default configuration 18-13

default optional feature configuration 20-12

designated port, defined 18-4

designated switch, defined 18-4

detecting indirect link failures 20-8

disabling 18-16

displaying status 18-24

EtherChannel guard

described 20-10

disabling 20-17

enabling 20-17

extended system ID

effects on root switch 18-16

effects on the secondary root switch 18-18

overview 18-4

unexpected behavior 18-16

features supported 1-8

IEEE 802.1D and bridge ID 18-4

IEEE 802.1D and multicast addresses 18-9

IEEE 802.1t and VLAN identifier 18-5

inferior BPDU 18-3

instances supported 18-10

interface state, blocking to forwarding 20-2

interface states

blocking 18-6

disabled 18-7

forwarding 18-6, 18-7

learning 18-7

listening 18-7

overview 18-5

interoperability and compatibility among modes 18-11

keepalive messages 18-2

Layer 2 protocol tunneling 17-8

limitations with IEEE 802.1Q trunks 18-11

load sharing

overview 13-22

using path costs 13-24

using port priorities 13-22

loop guard

described 20-11

enabling 20-18

modes supported 18-10

multicast addresses, effect of 18-9

optional features supported 1-8

overview 18-2

path costs 13-24, 13-25

Port Fast

described 20-2

enabling 20-12

port priorities 13-23

preventing root switch selection 20-10

protocols supported 18-10

redundant connectivity 18-8

root guard

described 20-10

enabling 20-18

root port, defined 18-3

root port selection on a switch stack 18-3

root switch

configuring 18-16

effects of extended system ID 18-4, 18-16

election 18-3

unexpected behavior 18-16

shutdown Port Fast-enabled port 20-2

stack changes, effects of 18-12

status, displaying 18-24

superior BPDU 18-3

timers, described 18-22

UplinkFast

described 20-3

enabling 20-15

VLAN-bridge 18-11

stratum, NTP 7-2

stub areas, OSPF 40-32

stub routing, EIGRP 40-43

subdomains, private VLAN 16-1

subnet mask 40-7

subnet zero 40-7

success response, VMPS 13-26

summer time 7-13

SunNet Manager 1-6

supernet 40-8

supported port-based authentication methods 10-8

SVI autostate exclude

configuring 12-33

defined 12-6

SVI link state 12-6

SVIs

and IP unicast routing 40-5

and router ACLs 35-4

connecting VLANs 12-11

defined 12-5

routing between VLANs 13-2

switch 41-2

switch clustering technology 6-1

See also clusters, switch

switch console port 1-7

Switch Database Management

See SDM

switched packets, ACLs on 35-39

Switched Port Analyzer

See SPAN

switched ports 12-2

switchport backup interface 21-4, 21-5

switchport block multicast command 26-8

switchport block unicast command 26-8

switchport command 12-22

switchport mode dot1q-tunnel command 17-7

switchport protected command 26-7

switch priority

MSTP 19-22

STP 18-21

switch software features 1-1

switch virtual interface

See SVI

synchronization, BGP 40-49

syslog

See system message logging

system capabilities TLV 28-2

system clock

configuring

daylight saving time 7-13

manually 7-11

summer time 7-13

time zones 7-12

displaying the time and date 7-12

overview 7-2

See also NTP

system description TLV 28-2

system message logging

default configuration 32-4

defining error message severity levels 32-9

disabling 32-4

displaying the configuration 32-14

enabling 32-5

facility keywords, described 32-14

level keywords, described 32-10

limiting messages 32-10

message format 32-2

overview 32-1

sequence numbers, enabling and disabling 32-8

setting the display destination device 32-5

stack changes, effects of 32-2

synchronizing log messages 32-6

syslog facility 1-16

time stamps, enabling and disabling 32-8

UNIX syslog servers

configuring the daemon 32-12

configuring the logging facility 32-13

facilities supported 32-14

system MTU

and IS-IS LSPs 40-70

system MTU and IEEE 802.1Q tunneling 17-5

system name

default configuration 7-15

default setting 7-15

manual configuration 7-15

See also DNS

system name TLV 28-2

system prompt, default setting 7-14, 7-15

system resources, optimizing 8-1

system routing

IS-IS 40-66

ISO IGRP 40-66

T

TACACS+

accounting, defined 9-11

authentication, defined 9-11

authorization, defined 9-11

configuring

accounting 9-17

authentication key 9-13

authorization 9-16

login authentication 9-14

default configuration 9-13

displaying the configuration 9-17

identifying the server 9-13

in clusters 6-16

limiting the services to the user 9-16

operation of 9-12

overview 9-10

support for 1-11

tracking services accessed by user 9-17

tagged packets

IEEE 802.1Q 17-3

Layer 2 protocol 17-8

tar files

creating B-7

displaying the contents of B-7

extracting B-8

image file format B-26

TCL script, registering and defining with embedded event manager 34-7

TDR 1-16

Telnet

accessing management interfaces 2-10

number of connections 1-7

setting a password 9-6

templates, SDM 8-1

temporary self-signed certificate 9-50

Terminal Access Controller Access Control System Plus

See TACACS+

terminal lines, setting a password 9-6

TFTP

configuration files

downloading B-12

preparing the server B-11

uploading B-13

configuration files in base directory 3-8

configuring for autoconfiguration 3-7

image files

deleting B-30

downloading B-28

preparing the server B-28

uploading B-30

limiting access by servers 33-17

TFTP server 1-6

threshold, traffic level 26-2

threshold monitoring, IP SLAs 43-6

time

See NTP and system clock

Time Domain Reflector

See TDR

time-range command 35-17

time ranges in ACLs 35-17

time stamps in log messages 32-8

time zones 7-12

TLVs

defined 28-2

LLDP 28-2

LLDP-MED 28-2

Token Ring VLANs

support for 13-5

VTP support 14-4

ToS 1-13

traceroute, Layer 2

and ARP 49-17

and CDP 49-17

broadcast traffic 49-16

described 49-16

IP addresses and subnets 49-17

MAC addresses and VLANs 49-17

multicast traffic 49-17

multiple devices on a port 49-17

unicast traffic 49-16

usage guidelines 49-17

traceroute command 49-18

See also IP traceroute

tracked lists

configuring 44-3

types 44-3

tracked objects

by Boolean expression 44-4

by threshold percentage 44-6

by threshold weight 44-5

tracking interface line-protocol state 44-2

tracking IP routing state 44-2

tracking objects 44-1

tracking process 44-1

track state, tracking IP SLAs 44-9

traffic

blocking flooded 26-8

fragmented 35-5

fragmented IPv6 36-2

unfragmented 35-5

traffic policing 1-13

traffic suppression 26-1

transmit hold-count

see STP

transparent mode, VTP 14-3

trap-door mechanism 3-2

traps

configuring MAC address notification 7-22, 7-24, 7-25

configuring managers 33-12

defined 33-3

enabling 7-22, 7-24, 7-25, 33-12

notification types 33-12

overview 33-1, 33-4

troubleshooting

connectivity problems 49-15, 49-16, 49-18

CPU utilization 49-28

detecting unidirectional links 29-1

displaying crash information 49-24

PIMv1 and PIMv2 interoperability problems 46-35

setting packet forwarding 49-22

SFP security and identification 49-14

show forward command 49-22

with CiscoWorks 33-4

with debug commands 49-20

with ping 49-15

with system message logging 32-1

with traceroute 49-18

trunk failover

See link-state tracking

trunking encapsulation 1-9

trunk ports

configuring 13-18

defined 12-3, 13-3

encapsulation 13-18, 13-23, 13-25

trunks

allowed-VLAN list 13-19

configuring 13-18, 13-23, 13-25

ISL 13-14

load sharing

setting STP path costs 13-24

using STP port priorities 13-22, 13-23

native VLAN for untagged traffic 13-21

parallel 13-24

pruning-eligible list 13-20

to non-DTP device 13-15

trusted boundary for QoS 37-45

trusted port states

between QoS domains 37-47

classification options 37-5

ensuring port security for IP phones 37-45

support for 1-13

within a QoS domain 37-43

trustpoints, CA 9-49

tunneling

defined 17-1

IEEE 802.1Q 17-1

Layer 2 protocol 17-8

tunnel ports

described 12-4, 17-1

IEEE 802.1Q, configuring 17-7

incompatibilities with other features 17-6

twisted-pair Ethernet, detecting unidirectional links 29-1

type of service

See ToS

U

UDLD

configuration guidelines 29-4

default configuration 29-4

disabling

globally 29-5

on fiber-optic interfaces 29-5

per interface 29-6

echoing detection mechanism 29-3

enabling

globally 29-5

per interface 29-6

Layer 2 protocol tunneling 17-10

link-detection mechanism 29-1

neighbor database 29-2

overview 29-1

resetting an interface 29-6

status, displaying 29-7

support for 1-8

UDP, configuring 40-16

UDP jitter, configuring 43-9

UDP jitter operation, IP SLAs 43-8

unauthorized ports with IEEE 802.1x 10-11

unicast MAC address filtering 1-6

and adding static addresses 7-28

and broadcast MAC addresses 7-28

and CPU packets 7-28

and multicast addresses 7-28

and router MAC addresses 7-28

configuration guidelines 7-28

described 7-28

unicast storm 26-1

unicast storm control command 26-4

unicast traffic, blocking 26-8

UniDirectional Link Detection protocol

See UDLD

universal software image

cryptographic 1-1

feature set

IP base 1-1

IP services 1-1

noncryptographic 1-1

UNIX syslog servers

daemon configuration 32-12

facilities supported 32-14

message logging configuration 32-13

unrecognized Type-Length-Value (TLV) support 14-4

upgrading information

See release notes

upgrading software images

See downloading

UplinkFast

described 20-3

disabling 20-16

enabling 20-15

support for 1-8

uploading

configuration files

preparing B-11, B-14, B-17

reasons for B-9

using FTP B-16

using RCP B-19

using TFTP B-13

image files

preparing B-28, B-31, B-36

reasons for B-25

using FTP B-34

using RCP B-38

using TFTP B-30

User Datagram Protocol

See UDP

user EXEC mode 2-2

username-based authentication 9-6

V

version-dependent transparent mode 14-4

version-mismatch (VM) mode

automatic upgrades with auto-upgrade 5-12

described 5-11

displaying 5-12

manual upgrades with auto-advise 5-12

upgrades with auto-extract 5-12

virtual IP address

cluster standby group 6-11

command switch 6-11

Virtual Private Network

See VPN

virtual router 42-1, 42-2

virtual switches and PAgP 38-6

vlan.dat file 13-4

VLAN 1

disabling on a trunk port 13-20

minimization 13-19

VLAN ACLs

See VLAN maps

vlan-assignment response, VMPS 13-26

VLAN configuration

at bootup 13-7

saving 13-7

VLAN configuration mode 2-2

VLAN database

and startup configuration file 13-7

and VTP 14-1

VLAN configuration saved in 13-6

VLANs saved in 13-4

vlan dot1q tag native command 17-5

VLAN filtering and SPAN 30-8

vlan global configuration command 13-6

VLAN ID, discovering 7-31

VLAN link state 12-5

VLAN load balancing on flex links

configuration guidelines 21-8

described 21-2

VLAN management domain 14-2

VLAN Management Policy Server

See VMPS

VLAN map entries, order of 35-31

VLAN maps

applying 35-35

common uses for 35-35

configuration guidelines 35-31

configuring 35-31

creating 35-32

defined 35-2

denying access to a server example 35-36

denying and permitting packets 35-33

displaying 35-42

examples of ACLs and VLAN maps 35-33

removing 35-35

support for 1-10

wiring closet configuration example 35-36

VLAN membership

confirming 13-29

modes 13-3

VLAN Query Protocol

See VQP

VLANs

adding 13-8

adding to VLAN database 13-8

aging dynamic addresses 18-9

allowed on trunk 13-19

and spanning-tree instances 13-3, 13-6, 13-11

configuration guidelines, extended-range VLANs 13-11

configuration guidelines, normal-range VLANs 13-5

configuring 13-1

configuring IDs 1006 to 4094 13-11

connecting through SVIs 12-11

customer numbering in service-provider networks 17-3

default configuration 13-7

deleting 13-9

described 12-2, 13-1

displaying 13-14

extended-range 13-1, 13-10

features 1-9

illustrated 13-2

internal 13-11

in the switch stack 13-6

limiting source traffic with RSPAN 30-22

limiting source traffic with SPAN 30-18

modifying 13-8

multicast 24-17

native, configuring 13-21

normal-range 13-1, 13-4

number supported 1-9

parameters 13-4

port membership modes 13-3

static-access ports 13-9

STP and IEEE 802.1Q trunks 18-11

supported 13-2

Token Ring 13-5

traffic between 13-2

VLAN-bridge STP 18-11, 48-2

VTP modes 14-3

VLAN Trunking Protocol

See VTP

VLAN trunks 13-14

VMPS

administering 13-30

configuration example 13-31

configuration guidelines 13-27

default configuration 13-27

description 13-25

dynamic port membership

described 13-26

reconfirming 13-29

troubleshooting 13-31

entering server address 13-28

mapping MAC addresses to VLANs 13-26

monitoring 13-30

reconfirmation interval, changing 13-29

reconfirming membership 13-29

retry count, changing 13-30

voice aware 802.1x security

port-based authentication

configuring 10-39

described 10-32, 10-39

voice-over-IP 15-1

voice VLAN

Cisco 7960 phone, port connections 15-1

configuration guidelines 15-3

configuring IP phones for data traffic

override CoS of incoming frame 15-6

trust CoS priority of incoming frame 15-6

configuring ports for voice traffic in

IEEE 802.1p priority tagged frames 15-5

IEEE 802.1Q frames 15-5

connecting to an IP phone 15-4

default configuration 15-3

described 15-1

displaying 15-7

IP phone data traffic, described 15-2

IP phone voice traffic, described 15-2

VPN

configuring routing in 40-84

forwarding 40-78

in service provider networks 40-75

routes 40-76

VPN routing and forwarding table

See VRF

VQP 1-9, 13-25

VRF

defining 40-78

tables 40-75

VRF-aware services

ARP 40-80

configuring 40-80

ftp 40-83

HSRP 40-81

ping 40-81

RADIUS 40-82

SNMP 40-81

syslog 40-82

tftp 40-83

traceroute 40-83

uRPF 40-82

VRFs, configuring multicast 40-84

VTP

adding a client to a domain 14-16

advertisements 13-17, 14-4

and extended-range VLANs 13-2, 14-2

and normal-range VLANs 13-2, 14-2

client mode, configuring 14-13

configuration

requirements 14-11

saving 14-9

configuration requirements 14-11

configuration revision number

guideline 14-16

resetting 14-17

consistency checks 14-5

default configuration 14-8

described 14-1

domain names 14-9

domains 14-2

Layer 2 protocol tunneling 17-8

modes

client 14-3

off 14-3

server 14-3

transitions 14-3

transparent 14-3

monitoring 14-17

passwords 14-9

pruning

disabling 14-15

enabling 14-15

examples 14-7

overview 14-6

support for 1-9

pruning-eligible list, changing 13-20

server mode, configuring 14-11, 14-14

statistics 14-17

support for 1-9

Token Ring support 14-4

transparent mode, configuring 14-11

using 14-1

Version

enabling 14-14

version, guidelines 14-10

Version 1 14-4

Version 2

configuration guidelines 14-10

overview 14-4

Version 3

overview 14-5

W

WCCP

authentication 45-3

configuration guidelines 45-5

default configuration 45-5

described 45-2

displaying 45-10

dynamic service groups 45-3

enabling 45-6

features unsupported 45-5

forwarding method 45-3

Layer-2 header rewrite 45-3

MD5 security 45-3

message exchange 45-2

monitoring and maintaining 45-10

negotiation 45-3

packet redirection 45-3

packet-return method 45-3

redirecting traffic received from a client 45-6

setting the password 45-7

unsupported WCCPv2 features 45-5

web authentication 10-16

configuring11-16to ??

described 1-9

web-based authentication

customizeable web pages 11-6

description 11-1

web-based authentication, interactions with other features 11-7

Web Cache Communication Protocol

See WCCP

weighted tail drop

See WTD

weight thresholds in tracked lists 44-5

wired location service

configuring 28-9

displaying 28-11

location TLV 28-3

understanding 28-3

wizards 1-3

WTD

described 37-15

setting thresholds

egress queue-sets 37-85

ingress queues 37-81

support for 1-13

	Catalyst 3750-E and 3560-E Switch Software Configuration Guide, Release 12.2(55)SE
	Index
Catalyst 3750-E and 3560-E Switch Software Configuration Guide, Release 12.2(55)SE Index Preface Overview Using the Command-Line Interface Assigning the Switch IP Address and Default Gateway Configuring Cisco IOS Configuration Engine Managing Switch Stacks Clustering Switches Administering the Switch Configuring SDM Templates Configuring Switch-Based Authentication Configuring IEEE 802.1x Port-Based Authentication Configuring Web-Based Authentication Configuring Interface Characteristics Configuring VLANs Configuring VTP Configuring Voice VLANs Configuring Private VLANs Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling Configuring STP Configuring MSTP Configuring Optional Spanning-Tree Features Configuring Flex Links Configuring DHCP Features and IP Source Guard Configuring Dynamic ARP Inspection Configuring IGMP Snooping and MVR Configuring IPv6 MLD Snooping Configuring Port-Based Traffic Control Configuring CDP Configuring LLDP, LLDP-MED, and Wired Location Service Configuring UDLD Configuring SPAN and RSPAN Configuring RMON Configuring System Message Logging Configuring SNMP Configuring Embedded Event Manager Configuring Network Security with ACLs Configuring IPv6 ACLs Configuring QoS Configuring EtherChannels Configuring TelePresence E911 IP Phone Support Configuring IP Unicast Routing Configuring IPv6 Unicast Routing Configuring HSRP Configuring Cisco IOS IP SLAs Operations Configuring Enhanced Object Tracking Configuring WCCP Configuring IP Multicast Routing Configuring MSDP Configuring Fallback Bridging Troubleshooting Configuring Online Diagnostics Supported MIBs Working with the Cisco IOS File System, Configuration Files, and Software Images Unsupported Commands in Cisco IOS Release 12.2(55)SE	Download this chapter Index Download the complete book Catalyst 3750-E and 3560-E Switch Software Configuration Guide, Release 12.2(55)SE (PDF - 45 MB) Feedback Table Of Contents Numerics - A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - Index Numerics 10-Gigabit Ethernet interfaces 12-6 A AAA down policy, NAC Layer 2 IP validation 1-11 abbreviating commands 2-3 ABRs 40-26 AC (command switch) 6-10 access-class command 35-20 access control entries See ACEs access-denied response, VMPS 13-26 access groups applying IPv4 ACLs to interfaces 35-21 Layer 2 35-21 Layer 3 35-21 access groups, applying IPv4 ACLs to interfaces 35-21 accessing clusters, switch 6-13 command switches 6-11 member switches 6-13 switch clusters 6-13 accessing stack members 5-25 access lists See ACLs access ports and Layer 2 protocol tunneling 17-11 defined 12-3 in switch clusters 6-9 access template 8-1 accounting with 802.1x 10-50 with IEEE 802.1x 10-15 with RADIUS 9-34 with TACACS+ 9-11, 9-17 ACEs and QoS 37-8 defined 35-2 Ethernet 35-2 IP 35-2 ACLs ACEs 35-2 any keyword 35-13 applying on bridged packets 35-39 on multicast packets 35-41 on routed packets 35-40 on switched packets 35-39 time ranges to 35-17 to an interface 35-20, 36-7 to IPv6 interfaces 36-7 to QoS 37-7 classifying traffic for QoS 37-49 comments in 35-19 compiling 35-23 defined 35-2, 35-8 examples of 35-23, 37-49 extended IP, configuring for QoS classification 37-50 extended IPv4 creating 35-11 matching criteria 35-8 hardware and software handling 35-22 host keyword 35-13 IP creating 35-8 fragments and QoS guidelines 37-39 implicit deny 35-10, 35-14, 35-17 implicit masks 35-10 matching criteria 35-8 undefined 35-21 IPv4 applying to interfaces 35-20 creating 35-8 matching criteria 35-8 named 35-15 numbers 35-8 terminal lines, setting on 35-19 unsupported features 35-7 IPv6 and stacking 36-3 applying to interfaces 36-7 configuring 36-3, 36-4 displaying 36-8 interactions with other features 36-4 limitations 36-3 matching criteria 36-3 named 36-3 precedence of 36-2 supported 36-2 unsupported features 36-3 Layer 4 information in 35-38 logging messages 35-9 MAC extended 35-28, 37-53 matching 35-8, 35-21 monitoring 35-41, 36-8 named IPv4 35-15 IPv6 36-3 names 36-4 number per QoS class map 37-39 port 35-2, 36-1 precedence of 35-3 QoS 37-7, 37-49 resequencing entries 35-15 router 35-2, 36-1 router ACLs and VLAN map configuration guidelines 35-38 standard IP, configuring for QoS classification 37-49, 37-51 standard IPv4 creating 35-10 matching criteria 35-8 support for 1-10 support in hardware 35-22 time ranges 35-17 types supported 35-2 unsupported features IPv4 35-7 IPv6 36-3 using router ACLs with VLAN maps 35-37 VLAN maps configuration guidelines 35-31 configuring 35-31 active link 21-4, 21-5, 21-6 active links 21-2 active router 42-1 active traffic monitoring, IP SLAs 43-1 address aliasing 24-2 addresses displaying the MAC address table 7-30 dynamic accelerated aging 18-9 changing the aging time 7-21 default aging 18-9 defined 7-19 learning 7-20 removing 7-22 IPv6 41-2 MAC, discovering 7-31 multicast group address range 46-3 STP address management 18-9 static adding and removing 7-27 defined 7-19 address resolution 7-31, 40-9 Address Resolution Protocol See ARP adjacency tables, with CEF 40-91 administrative distances defined 40-103 OSPF 40-34 routing protocol defaults 40-93 advertisements CDP 27-1 LLDP 28-2 RIP 40-20 VTP 13-17, 14-3, 14-4 aggregatable global unicast addresses 41-3 aggregate addresses, BGP 40-61 aggregated ports See EtherChannel aggregate policers 37-72 aggregate policing 1-13 aging, accelerating 18-9 aging time accelerated for MSTP 19-24 for STP 18-9, 18-23 MAC address table 7-21 maximum for MSTP 19-24, 19-25 for STP 18-23, 18-24 alarms, RMON 31-4 allowed-VLAN list 13-19 AP1250 (wireless access point) 1-15 application engines, redirecting traffic to 45-1 area border routers See ABRs area routing IS-IS 40-66 ISO IGRP 40-66 ARP configuring 40-10 defined 1-6, 7-31, 40-10 encapsulation 40-11 static cache configuration 40-10 table address resolution 7-31 managing 7-31 ASBRs 40-26 AS-path filters, BGP 40-55 asymmetrical links, and IEEE 802.1Q tunneling 17-4 attributes, RADIUS vendor-proprietary 9-37 vendor-specific 9-35 attribute-value pairs 10-20 audience xlix authentication EIGRP 40-42 HSRP 42-10 local mode with AAA 9-43 NTP associations 7-4 open1x 10-29 RADIUS key 9-27 login 9-29 TACACS+ defined 9-11 key 9-13 login 9-14 See also port-based authentication authentication compatibility with Catalyst 6000 switches 10-9 authentication failed VLAN See restricted VLAN authentication keys, and routing protocols 40-104 authentication manager CLI commands 10-9 compatibility with older 802.1x CLI commands10-9to 10-10 overview 10-8 single session ID 10-33 authoritative time source, described 7-2 authorization with RADIUS 9-33 with TACACS+ 9-11, 9-16 authorized ports with IEEE 802.1x 10-11 autoconfiguration 3-3 auto enablement 10-31 automatic advise (auto-advise) in switch stacks 5-12 automatic copy (auto-copy) in switch stacks 5-12 automatic discovery considerations beyond a noncandidate device 6-8 brand new switches 6-9 connectivity 6-5 different VLANs 6-7 management VLANs 6-7 non-CDP-capable devices 6-6 noncluster-capable devices 6-6 routed ports 6-8 in switch clusters 6-5 See also CDP automatic extraction (auto-extract) in switch stacks 5-12 automatic QoS See QoS automatic recovery, clusters 6-10 See also HSRP automatic upgrades (auto-upgrade) in switch stacks 5-12 auto-MDIX configuring 12-26 described 12-26 autonegotiation duplex mode 1-4 interface configuration guidelines 12-23 mismatches 49-13 autonomous system boundary routers See ASBRs autonomous systems, in BGP 40-49 Auto-RP, described 46-7 autosensing, port speed 1-4 autostate exclude 12-6 auxiliary VLAN See voice VLAN availability, features 1-8 B BackboneFast described 20-7 disabling 20-17 enabling 20-16 support for 1-8 backup interfaces See Flex Links backup links 21-2 backup static routing, configuring 44-12 banners configuring login 7-19 message-of-the-day login 7-18 default configuration 7-17 when displayed 7-17 Berkeley r-tools replacement 9-55 BGP aggregate addresses 40-61 aggregate routes, configuring 40-61 CIDR 40-61 clear commands 40-64 community filtering 40-58 configuring neighbors 40-59 default configuration 40-46 described 40-46 enabling 40-49 monitoring 40-64 multipath support 40-53 neighbors, types of 40-49 path selection 40-53 peers, configuring 40-59 prefix filtering 40-57 resetting sessions 40-51 route dampening 40-63 route maps 40-55 route reflectors 40-62 routing domain confederation 40-62 routing session with multi-VRF CE 40-85 show commands 40-64 supernets 40-61 support for 1-14 Version 4 40-46 binding cluster group and HSRP group 42-12 binding database address, DHCP server See DHCP, Cisco IOS server database DHCP snooping See DHCP snooping binding database bindings address, Cisco IOS DHCP server 22-6 DHCP snooping database 22-6 IP source guard 22-16 binding table, DHCP snooping See DHCP snooping binding database blocking packets 26-7 Boolean expressions in tracked lists 44-4 booting boot loader, function of 3-2 boot process 3-2 manually 3-19 specific image 3-20 boot loader accessing 3-21 described 3-2 environment variables 3-21 prompt 3-21 trap-door mechanism 3-2 bootstrap router (BSR), described 46-7 Border Gateway Protocol See BGP BPDU error-disabled state 20-2 filtering 20-3 RSTP format 19-12 BPDU filtering described 20-3 disabling 20-15 enabling 20-14 support for 1-8 BPDU guard described 20-2 disabling 20-14 enabling 20-13 support for 1-8 bridged packets, ACLs on 35-39 bridge groups See fallback bridging bridge protocol data unit See BPDU broadcast flooding 40-17 broadcast packets directed 40-14 flooded 40-14 broadcast storm-control command 26-4 broadcast storms 26-1, 40-14 C cables, monitoring for unidirectional links 29-1 candidate switch automatic discovery 6-5 defined 6-4 requirements 6-4 See also command switch, cluster standby group, and member switch Catalyst 6000 switches, authentication compatibility 10-9 CA trustpoint configuring 9-52 defined 9-49 caution, described l CDP and trusted boundary 37-45 automatic discovery in switch clusters 6-5 configuring 27-2 default configuration 27-2 defined with LLDP 28-1 described 27-1 disabling for routing device27-3to 27-4 enabling and disabling on an interface 27-4 on a switch 27-3 Layer 2 protocol tunneling 17-8 monitoring 27-5 overview 27-1 power negotiation extensions 12-7 support for 1-6 switch stack considerations 27-2 transmission timer and holdtime, setting 27-2 updates 27-2 CEF defined 40-90 distributed 40-91 IPv6 41-19 CGMP as IGMP snooping learning method 24-9 clearing cached group entries 46-63 enabling server support 46-45 joining multicast group 24-3 overview 46-9 server support only 46-9 switch support of 1-4 CIDR 40-61 CipherSuites 9-51 Cisco 7960 IP Phone 15-1 Cisco AP1250 (wireless access point) 1-15 Cisco Discovery Protocol See CDP Cisco Express Forwarding See CEF Cisco Group Management Protocol See CGMP Cisco intelligent power management 12-7 Cisco IOS DHCP server See DHCP, Cisco IOS DHCP server Cisco IOS File System See IFS Cisco IOS IP SLAs 43-1 Cisco Network Assistant See Network Assistant Cisco Redundant Power System 2300 configuring 12-37 managing 12-37 Cisco Secure ACS attribute-value pairs for downloadable ACLs 10-20 attribute-value pairs for redirect URL 10-20 Cisco Secure ACS configuration guide 10-62 Cisco StackWise Plus technology 1-3 See also stacks, switch CiscoWorks 2000 1-6, 33-4 CISP 10-31 CIST regional root See MSTP CIST root See MSTP civic location 28-3 classless interdomain routing See CIDR classless routing 40-8 class maps for QoS configuring 37-54 described 37-8 displaying 37-92 class of service See CoS clearing interfaces 12-41 CLI abbreviating commands 2-3 command modes 2-1 configuration logging 2-4 described 1-5 editing features enabling and disabling 2-6 keystroke editing 2-7 wrapped lines 2-8 error messages 2-4 filtering command output 2-9 getting help 2-3 history changing the buffer size 2-5 described 2-5 disabling 2-6 recalling commands 2-6 managing clusters 6-16 no and default forms of commands 2-4 Client Information Signalling Protocol See CISP client mode, VTP 14-3 client processes, tracking 44-1 CLNS See ISO CLNS clock See system clock cluster requirements l clusters, switch accessing 6-13 automatic discovery 6-5 automatic recovery 6-10 benefits 1-2 compatibility 6-4 described 6-1 LRE profile considerations 6-16 managing through CLI 6-16 through SNMP 6-17 planning 6-4 planning considerations automatic discovery 6-5 automatic recovery 6-10 CLI 6-16 host names 6-13 IP addresses 6-13 LRE profiles 6-16 passwords 6-14 RADIUS 6-16 SNMP 6-14, 6-17 switch stacks 6-14 TACACS+ 6-16 See also candidate switch, command switch, cluster standby group, member switch, and standby command switch cluster standby group and HSRP group 42-12 automatic recovery 6-12 considerations 6-11 defined 6-2 requirements 6-3 virtual IP address 6-11 See also HSRP CNS Configuration Engine configID, deviceID, hostname 4-3 configuration service 4-2 described 4-1 event service 4-3 embedded agents described 4-5 enabling automated configuration 4-6 enabling configuration agent 4-9 enabling event agent 4-8 management functions 1-6 CoA Request Commands 9-23 Coarse Wave Division Multiplexer See CWDM SFPs command-line interface See CLI command modes 2-1 commands abbreviating 2-3 no and default 2-4 commands, setting privilege levels 9-8 command switch accessing 6-11 active (AC) 6-10 configuration conflicts 49-12 defined 6-2 passive (PC) 6-10 password privilege levels 6-17 priority 6-10 recovery from command-switch failure 6-10, 49-9 from lost member connectivity 49-12 redundant 6-10 replacing with another switch 49-11 with cluster member 49-9 requirements 6-3 standby (SC) 6-10 See also candidate switch, cluster standby group, member switch, and standby command switch common session ID see single session ID 10-33 community list, BGP 40-58 community ports 16-2 community strings configuring 6-14, 33-8 for cluster switches 33-4 in clusters 6-14 overview 33-4 SNMP 6-14 community VLANs 16-2, 16-3 compatibility, feature 26-12 compatibility, software See stacks, switch config.text 3-18 configurable leave timer, IGMP 24-6 configuration, initial defaults 1-16 Express Setup 1-2 See also getting started guide and hardware installation guide configuration conflicts, recovering from lost member connectivity 49-12 configuration examples, network 1-19 configuration files archiving B-21 clearing the startup configuration B-20 creating and using, guidelines for B-10 creating using a text editor B-11 default name 3-18 deleting a stored configuration B-20 described B-9 downloading automatically 3-18 preparing B-11, B-14, B-17 reasons for B-9 using FTP B-14 using RCP B-18 using TFTP B-12 invalid combinations when copying B-6 limiting TFTP server access 33-17 obtaining with DHCP 3-9 password recovery disable considerations 9-5 replacing and rolling back, guidelines for B-22 replacing a running configuration B-20, B-21 rolling back a running configuration B-20, B-22 specifying the filename 3-19 system contact and location information 33-16 types and location B-10 uploading preparing B-11, B-14, B-17 reasons for B-9 using FTP B-16 using RCP B-19 using TFTP B-13 configuration guidelines, multi-VRF CE 40-78 configuration logging 2-4 configuration replacement B-20 configuration rollback B-20, B-21 configuration settings, saving 3-16 configure terminal command 12-13 configuring multicast VRFs 40-84 configuring port-based authentication violation modes10-40to 10-41 configuring small-frame arrival rate 26-5 conflicts, configuration 49-12 connections, secure remote 9-45 connectivity problems 49-15, 49-16, 49-18 consistency checks in VTP Version 2 14-5 console port, connecting to 2-10 content-routing technology See WCCP control protocol, IP SLAs 43-4 conventions command xlix for examples l publication xlix text xlix corrupted software, recovery steps with Xmodem 49-2 CoS in Layer 2 frames 37-2 override priority 15-6 trust priority 15-6 CoS input queue threshold map for QoS 37-18 CoS output queue threshold map for QoS 37-21 CoS-to-DSCP map for QoS 37-74 counters, clearing interface 12-41 CPU utilization, troubleshooting 49-28 crashinfo file 49-24 critical authentication, IEEE 802.1x 10-54 critical VLAN 10-23 cross-stack EtherChannel configuration guidelines 38-13 configuring on Layer 2 interfaces 38-13 on Layer 3 physical interfaces 38-16 described 38-3 illustration 38-4 support for 1-8 cross-stack UplinkFast, STP described 20-5 disabling 20-16 enabling 20-16 fast-convergence events 20-7 Fast Uplink Transition Protocol 20-6 normal-convergence events 20-7 support for 1-8 cryptographic software image switch stack considerations 5-2, 5-17 customer edge devices 40-76 customizeable web pages, web-based authentication 11-6 CWDM SFPs 1-32 D DACL See downloadable ACL daylight saving time 7-13 dCEF in the switch stack 40-90 debugging enabling all system diagnostics 49-21 enabling for a specific feature 49-21 redirecting error message output 49-22 using commands 49-20 default commands 2-4 default configuration 802.1x 10-34 auto-QoS 37-24 banners 7-17 BGP 40-46 booting 3-18 CDP 27-2 DHCP 22-8 DHCP option 82 22-8 DHCP snooping 22-8 DHCP snooping binding database 22-9 DNS 7-16 dynamic ARP inspection 23-5 EIGRP 40-38 EtherChannel 38-11 Ethernet interfaces 12-22 fallback bridging 48-3 Flex Links 21-8 HSRP 42-5 IEEE 802.1Q tunneling 17-4 IGMP 46-39 IGMP filtering 24-24 IGMP snooping 24-7, 25-6 IGMP throttling 24-25 initial switch information 3-3 IP addressing, IP routing 40-6 IP multicast routing 46-11 IP SLAs 43-6 IP source guard 22-18 IPv6 41-11 IS-IS 40-67 Layer 2 interfaces 12-22 Layer 2 protocol tunneling 17-11 LLDP 28-5 MAC address table 7-21 MAC address-table move update 21-8 MSDP 47-4 MSTP 19-14 multi-VRF CE 40-78 MVR 24-20 NTP 7-4 optional spanning-tree configuration 20-12 OSPF 40-27 password and privilege level 9-2 PIM 46-11 private VLANs 16-6 RADIUS 9-27 RIP 40-21 RMON 31-3 RSPAN 30-12 SDM template 8-4 SNMP 33-6 SPAN 30-12 SSL 9-51 standard QoS 37-36 STP 18-13 switch stacks 5-20 system message logging 32-4 system name and prompt 7-15 TACACS+ 9-13 UDLD 29-4 VLAN, Layer 2 Ethernet interfaces 13-17 VLANs 13-7 VMPS 13-27 voice VLAN 15-3 VTP 14-8 WCCP 45-5 default gateway 3-15, 40-12 default networks 40-94 default router preference See DRP default routes 40-94 default routing 40-3 default web-based authentication configuration 802.1X 11-9 deleting VLANs 13-9 denial-of-service attack 26-1 description command 12-31 designing your network, examples 1-19 desktop template 5-10 destination addresses in IPv4 ACLs 35-12 in IPv6 ACLs 36-5 destination-IP address-based forwarding, EtherChannel 38-9 destination-MAC address forwarding, EtherChannel 38-9 detecting indirect link failures, STP 20-8 device discovery protocol 27-1, 28-1 device manager benefits 1-2 described 1-2, 1-5 in-band management 1-7 requirements l DHCP Cisco IOS server database configuring 22-14 default configuration 22-9 described 22-6 DHCP for IPv6 See DHCPv6 enabling relay agent 22-10 server 22-10 DHCP-based autoconfiguration client request message exchange 3-4 configuring client side 3-4 DNS 3-8 relay device 3-8 server side 3-7 server-side 22-10 TFTP server 3-7 example 3-10 lease options for IP address information 3-7 for receiving the configuration file 3-7 overview 3-3 relationship to BOOTP 3-4 relay support 1-6, 1-14 support for 1-6 DHCP-based autoconfiguration and image update configuring3-11to 3-14 understanding3-5to 3-6 DHCP binding database See DHCP snooping binding database DHCP binding table See DHCP snooping binding database DHCP object tracking, configuring primary interface 44-11 DHCP option 82 circuit ID suboption 22-5 configuration guidelines 22-9 default configuration 22-8 displaying 22-15 forwarding address, specifying 22-11 helper address 22-11 overview 22-3 packet format, suboption circuit ID 22-5 remote ID 22-5 remote ID suboption 22-5 DHCP server port-based address allocation configuration guidelines 22-26 default configuration 22-26 described 22-26 displaying 22-29, 23-13 enabling 22-27 reserved addresses 22-27 DHCP snooping accepting untrusted packets form edge switch 22-3, 22-12 and private VLANs 22-14 binding database See DHCP snooping binding database configuration guidelines 22-9 default configuration 22-8 displaying binding tables 22-15 message exchange process 22-4 option 82 data insertion 22-3 trusted interface 22-2 untrusted interface 22-2 untrusted messages 22-2 DHCP snooping binding database adding bindings 22-14 binding entries, displaying 22-15 binding file format 22-7 location 22-6 bindings 22-6 clearing agent statistics 22-15 configuration guidelines 22-9 configuring 22-14 default configuration 22-8, 22-9 deleting binding file 22-15 bindings 22-15 database agent 22-15 described 22-6 displaying 22-15 binding entries 22-15 status and statistics 22-15 displaying status and statistics 22-15 enabling 22-14 entry 22-6 renewing database 22-15 resetting delay value 22-15 timeout value 22-15 DHCP snooping binding table See DHCP snooping binding database DHCPv6 configuration guidelines 41-15 default configuration 41-15 described 41-6 enabling client function 41-18 enabling DHCPv6 server function 41-16 diagnostic schedule command 50-2 Differentiated Services architecture, QoS 37-2 Differentiated Services Code Point 37-2 Diffusing Update Algorithm (DUAL) 40-36 Digital Optical Monitoring (DOM) 12-40 directed unicast requests 1-6 directories changing B-4 creating and removing B-5 displaying the working B-4 discovery, clusters See automatic discovery Distance Vector Multicast Routing Protocol See DVMRP distance-vector protocols 40-3 distribute-list command 40-102 DNS and DHCP-based autoconfiguration 3-8 default configuration 7-16 displaying the configuration 7-17 in IPv6 41-4 overview 7-15 setting up 7-16 support for 1-6 DNS-based SSM mapping 46-18, 46-20 documentation, related l document conventions xlix DOM (Digital Optical Monitoring) 12-40 domain names DNS 7-15 VTP 14-9 Domain Name System See DNS domains, ISO IGRP routing 40-66 dot1q-tunnel switchport mode 13-16 double-tagged packets IEEE 802.1Q tunneling 17-2 Layer 2 protocol tunneling 17-10 downloadable ACL 10-19, 10-20, 10-62 downloading configuration files preparing B-11, B-14, B-17 reasons for B-9 using FTP B-14 using RCP B-18 using TFTP B-12 image files deleting old image B-30 preparing B-28, B-31, B-36 reasons for B-25 using CMS 1-3 using FTP B-32 using HTTP 1-3, B-25 using RCP B-37 using TFTP B-28 using the device manager or Network Assistant B-25 drop threshold for Layer 2 protocol packets 17-11 DRP configuring 41-13 described 41-4 IPv6 41-4 DSCP 1-13, 37-2 DSCP input queue threshold map for QoS 37-18 DSCP output queue threshold map for QoS 37-21 DSCP-to-CoS map for QoS 37-77 DSCP-to-DSCP-mutation map for QoS 37-78 DSCP transparency 37-46 DTP 1-9, 13-15 dual-action detection 38-6 DUAL finite state machine, EIGRP 40-37 dual IPv4 and IPv6 templates 8-2, 41-6 dual protocol stacks IPv4 and IPv6 41-6 SDM templates supporting 41-6 DVMRP autosummarization configuring a summary address 46-59 disabling 46-61 connecting PIM domain to DVMRP router 46-51 enabling unicast routing 46-54 interoperability with Cisco devices 46-49 with Cisco IOS software 46-9 mrinfo requests, responding to 46-54 neighbors advertising the default route to 46-53 discovery with Probe messages 46-49 displaying information 46-54 prevent peering with nonpruning 46-57 rejecting nonpruning 46-55 overview 46-9 routes adding a metric offset 46-62 advertising all 46-61 advertising the default route to neighbors 46-53 caching DVMRP routes learned in report messages 46-55 changing the threshold for syslog messages 46-58 deleting 46-63 displaying 46-63 favoring one over another 46-62 limiting the number injected into MBONE 46-58 limiting unicast route advertisements 46-49 routing table 46-9 source distribution tree, building 46-9 support for 1-14 tunnels configuring 46-51 displaying neighbor information 46-54 dynamic access ports characteristics 13-3 configuring 13-28 defined 12-3 dynamic addresses See addresses dynamic ARP inspection ARP cache poisoning 23-1 ARP requests, described 23-1 ARP spoofing attack 23-1 clearing log buffer 23-16 statistics 23-16 configuration guidelines 23-6 configuring ACLs for non-DHCP environments 23-9 in DHCP environments 23-7 log buffer 23-13 rate limit for incoming ARP packets 23-4, 23-11 default configuration 23-5 denial-of-service attacks, preventing 23-11 described 23-1 DHCP snooping binding database 23-2 displaying ARP ACLs 23-15 configuration and operating state 23-15 statistics 23-16 trust state and rate limit 23-15 error-disabled state for exceeding rate limit 23-4 function of 23-2 interface trust states 23-3 log buffer clearing 23-16 configuring 23-13 logging of dropped packets, described 23-5 man-in-the middle attack, described 23-2 network security issues and interface trust states 23-3 priority of ARP ACLs and DHCP snooping entries 23-4 rate limiting of ARP packets configuring 23-11 described 23-4 error-disabled state 23-4 statistics clearing 23-16 displaying 23-16 validation checks, performing 23-12 dynamic auto trunking mode 13-16 dynamic desirable trunking mode 13-16 Dynamic Host Configuration Protocol See DHCP-based autoconfiguration dynamic port VLAN membership described 13-26 reconfirming 13-29 troubleshooting 13-31 types of connections 13-29 dynamic routing 40-3 ISO CLNS 40-65 Dynamic Trunking Protocol See DTP E EBGP 40-45 editing features enabling and disabling 2-6 keystrokes used 2-7 wrapped lines 2-8 EEM 3.2 34-5 EIGRP authentication 40-42 components 40-37 configuring 40-40 default configuration 40-38 definition 40-36 interface parameters, configuring 40-41 monitoring 40-44 stub routing 40-43 support for 1-14 EIGRP IPv6 41-7 elections See stack master ELIN location 28-3 embedded event manager 3.2 34-5 actions 34-4 configuring 34-1, 34-6 displaying information 34-8 environmental variables 34-5 event detectors 34-3 policies 34-4 registering and defining an applet 34-6 registering and defining a TCL script 34-7 understanding 34-1 enable password 9-3 enable secret password 9-3 encryption, CipherSuite 9-51 encryption for passwords 9-3 Enhanced IGRP See EIGRP enhanced object tracking backup static routing 44-12 defined 44-1 DHCP primary interface 44-11 HSRP 44-7 IP routing state 44-2 IP SLAs 44-9 line-protocol state 44-2 network monitoring with IP SLAs 44-11 routing policy, configuring 44-12 static route primary interface 44-10 tracked lists 44-3 enhanced object tracking static routing 44-10 enhanced PoE 1-15, 12-7, 12-30 environmental variables, embedded event manager 34-5 environment variables, function of 3-22 equal-cost routing 1-14, 40-92 error-disabled state, BPDU 20-2 error messages during command entry 2-4 EtherChannel automatic creation of 38-5, 38-7 channel groups binding physical and logical interfaces 38-4 numbering of 38-4 configuration guidelines 38-12 configuring Layer 2 interfaces 38-13 Layer 3 physical interfaces 38-16 Layer 3 port-channel logical interfaces 38-15 default configuration 38-11 described 38-2 displaying status 38-22 forwarding methods 38-8, 38-18 IEEE 802.3ad, described 38-7 interaction with STP 38-12 with VLANs 38-12 LACP described 38-7 displaying status 38-22 hot-standby ports 38-20 interaction with other features 38-8 modes 38-7 port priority 38-22 system priority 38-21 Layer 3 interface 40-5 load balancing 38-8, 38-18 logical interfaces, described 38-4 PAgP aggregate-port learners 38-19 compatibility with Catalyst 1900 38-19 described 38-5 displaying status 38-22 interaction with other features 38-7 interaction with virtual switches 38-6 learn method and priority configuration 38-19 modes 38-6 support for 1-4 with dual-action detection 38-6 port-channel interfaces described 38-4 numbering of 38-4 port groups 12-6 stack changes, effects of 38-10 support for 1-4 EtherChannel guard described 20-10 disabling 20-17 enabling 20-17 Ethernet management port active link 12-18 and routing 12-19 and routing protocols 12-19 and TFTP 12-21 configuring 12-20 connecting to 2-10 default setting 12-19 described 12-18 for network management 12-18 specifying 12-20 supported features 12-20 unsupported features 12-20 Ethernet management port, internal and routing 12-19 and routing protocols 12-19 unsupported features 12-20 Ethernet VLANs adding 13-8 defaults and ranges 13-7 modifying 13-8 EUI 41-3 event detectors, embedded event manager 34-3 events, RMON 31-4 examples conventions for l network configuration 1-19 expedite queue for QoS 37-90 Express Setup 1-2 See also getting started guide extended crashinfo file 49-24 extended-range VLANs configuration guidelines 13-11 configuring 13-10 creating 13-11 creating with an internal VLAN ID 13-13 defined 13-1 extended system ID MSTP 19-18 STP 18-4, 18-16 extended universal identifier See EUI Extensible Authentication Protocol over LAN 10-2 external BGP See EBGP external neighbors, BGP 40-49 F Fa0 port See Ethernet management port failover support 1-8 fallback bridging and protected ports 48-4 bridge groups creating 48-4 described 48-2 displaying 48-10 function of 48-2 number supported 48-4 removing 48-5 bridge table clearing 48-10 displaying 48-10 configuration guidelines 48-4 connecting interfaces with 12-12 default configuration 48-3 described 48-1 frame forwarding flooding packets 48-2 forwarding packets 48-2 overview 48-1 protocol, unsupported 48-4 stack changes, effects of 48-3 STP disabling on an interface 48-9 forward-delay interval 48-8 hello BPDU interval 48-8 interface priority 48-6 keepalive messages 18-2 maximum-idle interval 48-9 path cost 48-7 VLAN-bridge spanning-tree priority 48-6 VLAN-bridge STP 48-2 support for 1-14 SVIs and routed ports 48-1 unsupported protocols 48-4 VLAN-bridge STP 18-11 Fast Convergence 21-3 fastethernet0 port See Ethernet management port Fast Uplink Transition Protocol 20-6 features, incompatible 26-12 FIB 40-91 fiber-optic, detecting unidirectional links 29-1 files basic crashinfo description 49-25 location 49-25 copying B-5 crashinfo, description 49-24 deleting B-6 displaying the contents of B-8 extended crashinfo description 49-25 location 49-25 tar creating B-7 displaying the contents of B-7 extracting B-8 image file format B-26 file system displaying available file systems B-2 displaying file information B-3 local file system names B-1 network file system names B-5 setting the default B-3 filtering in a VLAN 35-31 IPv6 traffic 36-3, 36-7 non-IP traffic 35-28 show and more command output 2-9 filtering show and more command output 2-9 filters, IP See ACLs, IP flash device, number of B-1 flexible authentication ordering configuring 10-65 overview 10-29 Flex Link Multicast Fast Convergence 21-3 Flex Links configuring 21-8, 21-9 configuring preferred VLAN 21-11 configuring VLAN load balancing 21-10 default configuration 21-8 description 21-1 link load balancing 21-2 monitoring 21-14 VLANs 21-2 flooded traffic, blocking 26-8 flow-based packet classification 1-13 flowcharts QoS classification 37-7 QoS egress queueing and scheduling 37-19 QoS ingress queueing and scheduling 37-16 QoS policing and marking 37-11 flowcontrol configuring 12-25 described 12-25 forward-delay time MSTP 19-24 STP 18-23 Forwarding Information Base See FIB forwarding nonroutable protocols 48-1 FTP accessing MIB files A-4 configuration files downloading B-14 overview B-13 preparing the server B-14 uploading B-16 image files deleting old image B-34 downloading B-32 preparing the server B-31 uploading B-34 G general query 21-5 Generating IGMP Reports 21-3 get-bulk-request operation 33-3 get-next-request operation 33-3, 33-4 get-request operation 33-3, 33-4 get-response operation 33-3 Gigabit modules See SFPs global configuration mode 2-2 global leave, IGMP 24-13 guest VLAN and IEEE 802.1x 10-21 guide audience xlix purpose of xlix guide mode 1-3 GUIs See device manager and Network Assistant H hardware limitations and Layer 3 interfaces 12-32 hello time MSTP 19-23 STP 18-22 help, for the command line 2-3 hierarchical policy maps 37-9 configuration guidelines 37-39 configuring 37-64 described 37-12 history changing the buffer size 2-5 described 2-5 disabling 2-6 recalling commands 2-6 history table, level and number of syslog messages 32-10 host names in clusters 6-13 host ports configuring 16-11 kinds of 16-2 hosts, limit on dynamic ports 13-31 Hot Standby Router Protocol See HSRP HP OpenView 1-6 HSRP authentication string 42-10 automatic cluster recovery 6-12 binding to cluster group 42-12 cluster standby group considerations 6-11 command-switch redundancy 1-1, 1-8 configuring 42-5 default configuration 42-5 definition 42-1 guidelines 42-6 monitoring 42-13 object tracking 44-7 overview 42-1 priority 42-8 routing redundancy 1-14 support for ICMP redirect messages 42-12 switch stack considerations 42-5 timers 42-10 tracking 42-8 See also clusters, cluster standby group, and standby command switch HSRP for IPv6 configuring 41-25 guidelines 41-24 HTTP(S) Over IPv6 41-8 HTTP over SSL see HTTPS HTTPS configuring 9-53 described 9-49 self-signed certificate 9-50 HTTP secure server 9-49 I IBPG 40-45 ICMP IPv6 41-4 redirect messages 40-12 support for 1-14 time-exceeded messages 49-18 traceroute and 49-18 unreachable messages 35-20 unreachable messages and IPv6 36-4 unreachables and ACLs 35-22 ICMP Echo operation configuring 43-11 IP SLAs 43-11 ICMP ping executing 49-15 overview 49-15 ICMP Router Discovery Protocol See IRDP ICMPv6 41-4 IDS appliances and ingress RSPAN 30-25 and ingress SPAN 30-16 IEEE 802.1D See STP IEEE 802.1p 15-1 IEEE 802.1Q and trunk ports 12-3 configuration limitations 13-17 encapsulation 13-14 native VLAN for untagged traffic 13-21 tunneling compatibility with other features 17-6 defaults 17-4 described 17-1 tunnel ports with other features 17-6 IEEE 802.1s See MSTP IEEE 802.1w See RSTP IEEE 802.1x See port-based authentication IEEE 802.3ad See EtherChannel IEEE 802.3af See PoE IEEE 802.3x flow control 12-25 ifIndex values, SNMP 33-5 IFS 1-7 IGMP configurable leave timer described 24-6 enabling 24-11 configuring the switch as a member of a group 46-39 statically connected member 46-44 controlling access to groups 46-40 default configuration 46-39 deleting cache entries 46-63 displaying groups 46-63 fast switching 46-44 flooded multicast traffic controlling the length of time 24-12 disabling on an interface 24-13 global leave 24-13 query solicitation 24-13 recovering from flood mode 24-13 host-query interval, modifying 46-42 joining multicast group 24-3 join messages 24-3 leave processing, enabling 24-11, 25-9 leaving multicast group 24-5 multicast reachability 46-39 overview 46-3 queries 24-4 report suppression described 24-6 disabling 24-16, 25-11 supported versions 24-3 support for 1-4 Version 1 changing to Version 2 46-41 described 46-3 Version 2 changing to Version 1 46-41 described 46-3 maximum query response time value 46-43 pruning groups 46-43 query timeout value 46-42 IGMP filtering configuring 24-25 default configuration 24-24 described 24-24 support for 1-5 IGMP groups configuring filtering 24-27 setting the maximum number 24-27 IGMP helper 46-6 IGMP Immediate Leave configuration guidelines 24-11 described 24-6 enabling 24-11 IGMP profile applying 24-26 configuration mode 24-25 configuring 24-25 IGMP snooping and address aliasing 24-2 and stack changes 24-7 configuring 24-7 default configuration 24-7, 25-6 definition 24-2 enabling and disabling 24-8, 25-7 global configuration 24-8 Immediate Leave 24-6 in the switch stack 24-7 method 24-8 monitoring 24-16, 25-12 querier configuration guidelines 24-14 configuring 24-14 supported versions 24-3 support for 1-4 VLAN configuration 24-8 IGMP throttling configuring 24-27 default configuration 24-25 described 24-24 displaying action 24-29 IGP 40-26 Immediate Leave, IGMP described 24-6 enabling 25-9 inaccessible authentication bypass 10-23 support for multiauth ports 10-23 initial configuration defaults 1-16 Express Setup 1-2 See also getting started guide and hardware installation guide interface number 12-13 range macros 12-16 interface command12-12to 12-14 interface configuration mode 2-2 interfaces auto-MDIX, configuring 12-26 configuring procedure 12-13 counters, clearing 12-41 default configuration 12-22 described 12-31 descriptive name, adding 12-31 displaying information about 12-40 duplex and speed configuration guidelines 12-23 flow control 12-25 management 1-5 monitoring 12-39 naming 12-31 physical, identifying 12-12 range of 12-14 restarting 12-42 shutting down 12-42 speed and duplex, configuring 12-24 status 12-39 supported 12-12 types of 12-1 interfaces range macro command 12-16 interface types 12-12 Interior Gateway Protocol See IGP internal BGP See IBGP internal neighbors, BGP 40-49 internal power supplies See power supplies Internet Control Message Protocol See ICMP Internet Group Management Protocol See IGMP Internet Protocol version 6 See IPv6 Inter-Switch Link See ISL inter-VLAN routing 1-14, 40-2 Intrusion Detection System See IDS appliances inventory management TLV 28-3, 28-7 IP ACLs for QoS classification 37-7 implicit deny 35-10, 35-14 implicit masks 35-10 named 35-15 undefined 35-21 IP addresses 128-bit 41-2 candidate or member 6-4, 6-13 classes of 40-7 cluster access 6-2 command switch 6-3, 6-11, 6-13 default configuration 40-6 discovering 7-31 for IP routing 40-5 IPv6 41-2 MAC address association 40-9 monitoring 40-18 redundant clusters 6-11 standby command switch 6-11, 6-13 See also IP information IP base feature set 1-1 IP broadcast address 40-17 ip cef distributed command 40-91 IP directed broadcasts 40-15 ip igmp profile command 24-25 IP information assigned manually 3-15 through DHCP-based autoconfiguration 3-3 default configuration 3-3 IP multicast routing addresses all-hosts 46-3 all-multicast-routers 46-3 host group address range 46-3 administratively-scoped boundaries, described 46-47 and IGMP snooping 24-2 Auto-RP adding to an existing sparse-mode cloud 46-26 benefits of 46-25 clearing the cache 46-63 configuration guidelines 46-12 filtering incoming RP announcement messages 46-28 overview 46-7 preventing candidate RP spoofing 46-28 preventing join messages to false RPs 46-28 setting up in a new internetwork 46-26 using with BSR 46-33 bootstrap router configuration guidelines 46-12 configuring candidate BSRs 46-31 configuring candidate RPs 46-32 defining the IP multicast boundary 46-31 defining the PIM domain border 46-30 overview 46-7 using with Auto-RP 46-33 Cisco implementation 46-2 configuring basic multicast routing 46-12 IP multicast boundary 46-47 default configuration 46-11 enabling multicast forwarding 46-13 PIM mode 46-13 group-to-RP mappings Auto-RP 46-7 BSR 46-7 MBONE deleting sdr cache entries 46-63 described 46-46 displaying sdr cache 46-64 enabling sdr listener support 46-46 limiting DVMRP routes advertised 46-58 limiting sdr cache entry lifetime 46-46 SAP packets for conference session announcement 46-46 Session Directory (sdr) tool, described 46-46 monitoring packet rate loss 46-64 peering devices 46-64 tracing a path 46-64 multicast forwarding, described 46-8 PIMv1 and PIMv2 interoperability 46-11 protocol interaction 46-2 reverse path check (RPF) 46-8 routing table deleting 46-63 displaying 46-64 RP assigning manually 46-24 configuring Auto-RP 46-25 configuring PIMv2 BSR 46-29 monitoring mapping information 46-35 using Auto-RP and BSR 46-33 stacking stack master functions 46-10 stack member functions 46-10 statistics, displaying system and network 46-63 See also CGMP See also DVMRP See also IGMP See also PIM IP phones and QoS 15-1 automatic classification and queueing 37-23 configuring 15-4 ensuring port security with QoS 37-45 trusted boundary for QoS 37-45 IP Port Security for Static Hosts on a Layer 2 access port 22-20 on a PVLAN host port 22-23 IP precedence 37-2 IP-precedence-to-DSCP map for QoS 37-75 IP protocols in ACLs 35-12 routing 1-14 IP protocols in ACLs 35-12 IP routes, monitoring 40-105 IP routing connecting interfaces with 12-12 disabling 40-19 enabling 40-19 IP Service Level Agreements See IP SLAs IP service levels, analyzing 43-1 IP services feature set 1-1 IP SLAs benefits 43-2 configuration guidelines 43-6 configuring object tracking 44-9 Control Protocol 43-4 default configuration 43-6 definition 43-1 ICMP echo operation 43-11 measuring network performance 43-3 monitoring 43-13 multioperations scheduling 43-5 object tracking 44-9 operation 43-3 reachability tracking 44-9 responder described 43-4 enabling 43-7 response time 43-4 scheduling 43-5 SNMP support 43-2 supported metrics 43-2 threshold monitoring 43-6 track object monitoring agent, configuring 44-11 track state 44-9 UDP jitter operation 43-8 IP source guard and 802.1x 22-18 and DHCP snooping 22-16 and EtherChannels 22-18 and port security 22-18 and private VLANs 22-18 and routed ports 22-18 and TCAM entries 22-18 and trunk interfaces 22-18 and VRF 22-18 binding configuration automatic 22-16 manual 22-16 binding table 22-16 configuration guidelines 22-18 default configuration 22-18 described 22-16 disabling 22-19 displaying bindings 22-25 configuration 22-25 enabling 22-19, 22-20 filtering source IP address 22-16 source IP and MAC address 22-17 source IP address filtering 22-16 source IP and MAC address filtering 22-17 static bindings adding 22-19, 22-20 deleting 22-20 static hosts 22-20 IP traceroute executing 49-18 overview 49-18 IP unicast routing address resolution 40-9 administrative distances 40-93, 40-103 ARP 40-10 assigning IP addresses to Layer 3 interfaces 40-7 authentication keys 40-104 broadcast address 40-17 flooding 40-17 packets 40-14 storms 40-14 classless routing 40-8 configuring static routes 40-93 default addressing configuration 40-6 gateways 40-12 networks 40-94 routes 40-94 routing 40-3 directed broadcasts 40-15 disabling 40-19 dynamic routing 40-3 enabling 40-19 EtherChannel Layer 3 interface 40-5 IGP 40-26 inter-VLAN 40-2 IP addressing classes 40-7 configuring 40-5 IPv6 41-3 IRDP 40-13 Layer 3 interfaces 40-5 MAC address and IP address 40-9 passive interfaces 40-102 protocols distance-vector 40-3 dynamic 40-3 link-state 40-3 proxy ARP 40-10 redistribution 40-95 reverse address resolution 40-9 routed ports 40-5 static routing 40-3 steps to configure 40-5 subnet mask 40-7 subnet zero 40-7 supernet 40-8 UDP 40-16 unicast reverse path forwarding 1-15, 40-90 with SVIs 40-5 See also BGP See also EIGRP See also OSPF See also RIP IPv4 ACLs applying to interfaces 35-20 extended, creating 35-11 named 35-15 standard, creating 35-10 IPv4 and IPv6 port-based trust 8-2 IPv6 ACLs displaying 36-8 limitations 36-3 matching criteria 36-3 port 36-1 precedence 36-2 router 36-1 supported 36-2 addresses 41-2 address formats 41-2 and switch stacks 41-9 applications 41-5 assigning address 41-11 autoconfiguration 41-5 CEFv6 41-19 default configuration 41-11 default router preference (DRP) 41-4 defined 41-1 Enhanced Interior Gateway Routing Protocol (EIGRP) IPv6 41-7 EIGRP IPv6 Commands 41-7 Router ID 41-7 feature limitations 41-9 features not supported 41-8 forwarding 41-11 ICMP 41-4 monitoring 41-27 neighbor discovery 41-4 OSPF 41-7 path MTU discovery 41-4 SDM templates 8-2, 25-1, 36-1 stack master functions 41-10 Stateless Autoconfiguration 41-5 supported features 41-3 switch limitations 41-9 understanding static routes 41-6 IPv6 traffic, filtering 36-3 IRDP configuring 40-13 definition 40-13 support for 1-14 IS-IS addresses 40-66 area routing 40-66 default configuration 40-67 monitoring 40-75 show commands 40-75 system routing 40-66 ISL and IPv6 41-3 and trunk ports 12-3 encapsulation 1-9, 13-14 trunking with IEEE 802.1 tunneling 17-5 ISO CLNS clear commands 40-75 dynamic routing protocols 40-65 monitoring 40-75 NETs 40-65 NSAPs 40-65 OSI standard 40-65 ISO IGRP area routing 40-66 system routing 40-66 isolated port 16-2 isolated VLANs 16-2, 16-3 J join messages, IGMP 24-3 K KDC described 9-40 See also Kerberos keepalive messages 18-2 Kerberos authenticating to boundary switch 9-42 KDC 9-42 network services 9-42 configuration examples 9-39 configuring 9-43 credentials 9-40 described 9-40 KDC 9-40 operation 9-42 realm 9-41 server 9-41 support for 1-12 switch as trusted third party 9-39 terms 9-40 TGT 9-41 tickets 9-40 key distribution center See KDC L l2protocol-tunnel command 17-13 LACP Layer 2 protocol tunneling 17-9 See EtherChannel Layer 2 frames, classification with CoS 37-2 Layer 2 interfaces, default configuration 12-22 Layer 2 protocol tunneling configuring 17-10 configuring for EtherChannels 17-14 default configuration 17-11 defined 17-8 guidelines 17-12 Layer 2 traceroute and ARP 49-17 and CDP 49-17 broadcast traffic 49-16 described 49-16 IP addresses and subnets 49-17 MAC addresses and VLANs 49-17 multicast traffic 49-17 multiple devices on a port 49-17 unicast traffic 49-16 usage guidelines 49-17 Layer 3 features 1-14 Layer 3 interfaces assigning IP addresses to 40-7 assigning IPv4 and IPv6 addresses to 41-14 assigning IPv6 addresses to 41-12 changing from Layer 2 mode 40-7, 40-81, 40-82 types of 40-5 Layer 3 packets, classification methods 37-2 LDAP 4-2 Leaking IGMP Reports 21-4 LEDs, switch See hardware installation guide Lightweight Directory Access Protocol See LDAP line configuration mode 2-2 Link Aggregation Control Protocol See EtherChannel Link Failure, detecting unidirectional 19-7 Link Layer Discovery Protocol See CDP link local unicast addresses 41-3 link redundancy See Flex Links links, unidirectional 29-1 link state advertisements (LSAs) 40-32 link-state protocols 40-3 link-state tracking configuring 38-25 described 38-23 LLDP configuring 28-5 characteristics 28-6 default configuration 28-5 enabling 28-6 monitoring and maintaining 28-11 overview 28-1 supported TLVs 28-2 switch stack considerations 28-2 transmission timer and holdtime, setting 28-6 LLDP-MED configuring procedures 28-5 TLVs 28-7 monitoring and maintaining 28-11 overview 28-1, 28-2 supported TLVs 28-2 LLDP Media Endpoint Discovery See LLDP-MED load balancing 42-4 local SPAN 30-2 location TLV 28-3, 28-7 logging messages, ACL 35-9 login authentication with RADIUS 9-29 with TACACS+ 9-14 login banners 7-17 log messages See system message logging Long-Reach Ethernet (LRE) technology 1-21, 1-31 loop guard described 20-11 enabling 20-18 support for 1-8 LRE profiles, considerations in switch clusters 6-16 M MAC/PHY configuration status TLV 28-2 MAC addresses aging time 7-21 and VLAN association 7-20 building the address table 7-20 default configuration 7-21 disabling learning on a VLAN 7-30 discovering 7-31 displaying 7-30 displaying in the IP source binding table 22-25 dynamic learning 7-20 removing 7-22 in ACLs 35-28 IP address association 40-9 static adding 7-27 allowing 7-29, 7-30 characteristics of 7-27 dropping 7-28 removing 7-27 MAC address learning 1-6 MAC address learning, disabling on a VLAN 7-30 MAC address notification, support for 1-15 MAC address-table move update configuration guidelines 21-8 configuring 21-12 default configuration 21-8 description 21-6 monitoring 21-14 MAC address-to-VLAN mapping 13-26 MAC authentication bypass 10-16 MAC extended access lists applying to Layer 2 interfaces 35-30 configuring for QoS 37-53 creating 35-28 defined 35-28 for QoS classification 37-5 magic packet 10-27 manageability features 1-6 management access in-band browser session 1-7 CLI session 1-7 device manager 1-7 SNMP 1-7 out-of-band console port connection 1-7 management address TLV 28-2 management options CLI 2-1 clustering 1-3 CNS 4-1 Network Assistant 1-2 overview 1-5 switch stacks 1-3 management VLAN considerations in switch clusters 6-7 discovery through different management VLANs 6-7 mapping tables for QoS configuring CoS-to-DSCP 37-74 DSCP 37-74 DSCP-to-CoS 37-77 DSCP-to-DSCP-mutation 37-78 IP-precedence-to-DSCP 37-75 policed-DSCP 37-76 described 37-13 marking action in policy map 37-59 action with aggregate policers 37-72 described 37-4, 37-9 matching IPv4 ACLs 35-8 maximum aging time MSTP 19-24 STP 18-23 maximum hop count, MSTP 19-25 maximum number of allowed devices, port-based authentication 10-38 maximum-paths command 40-53, 40-92 MDA configuration guidelines10-30to 10-31 described 1-10, 10-30 exceptions with authentication process 10-4 membership mode, VLAN port 13-3 member switch automatic discovery 6-5 defined 6-2 managing 6-16 passwords 6-13 recovering from lost connectivity 49-12 requirements 6-4 See also candidate switch, cluster standby group, and standby command switch messages, to users through banners 7-17 metrics, in BGP 40-53 metric translations, between routing protocols 40-98 metro tags 17-2 MHSRP 42-4 MIBs accessing files with FTP A-4 location of files A-4 overview 33-1 SNMP interaction with 33-4 supported A-1 mini-point-of-presence See POP mirroring traffic for analysis 30-1 mismatches, autonegotiation 49-13 module number 12-13 monitoring access groups 35-41 BGP 40-64 cables for unidirectional links 29-1 CDP 27-5 CEF 40-91 EIGRP 40-44 fallback bridging 48-10 features 1-15 Flex Links 21-14 HSRP 42-13 IEEE 802.1Q tunneling 17-18 IGMP snooping 24-16, 25-12 interfaces 12-39 IP address tables 40-18 multicast routing 46-63 routes 40-105 IP SLAs operations 43-13 IPv4 ACL configuration 35-41 IPv6 41-27 IPv6 ACL configuration 36-8 IS-IS 40-75 ISO CLNS 40-75 Layer 2 protocol tunneling 17-18 MAC address-table move update 21-14 MSDP peers 47-19 multicast router interfaces 24-17, 25-12 multi-VRF CE 40-89 network traffic for analysis with probe 30-2 object tracking 44-12 OSPF 40-36 port blocking 26-19 protection 26-19 private VLANs 16-14 RP mapping information 46-35 SFP status 12-41, 49-14 source-active messages 47-19 speed and duplex mode 12-24 SSM mapping 46-21 traffic flowing among switches 31-1 traffic suppression 26-19 tunneling 17-18 VLAN filters 35-42 maps 35-42 VLANs 13-14 VMPS 13-30 VTP 14-17 mrouter Port 21-3 mrouter port 21-5 MSDP benefits of 47-3 clearing MSDP connections and statistics 47-19 controlling source information forwarded by switch 47-12 originated by switch 47-8 received by switch 47-14 default configuration 47-4 dense-mode regions sending SA messages to 47-17 specifying the originating address 47-18 filtering incoming SA messages 47-14 SA messages to a peer 47-12 SA requests from a peer 47-11 join latency, defined 47-6 meshed groups configuring 47-16 defined 47-16 originating address, changing 47-18 overview 47-1 peer-RPF flooding 47-2 peers configuring a default 47-4 monitoring 47-19 peering relationship, overview 47-1 requesting source information from 47-8 shutting down 47-16 source-active messages caching 47-6 clearing cache entries 47-19 defined 47-2 filtering from a peer 47-11 filtering incoming 47-14 filtering to a peer 47-12 limiting data with TTL 47-14 monitoring 47-19 restricting advertised sources 47-9 support for 1-14 MSTP boundary ports configuration guidelines 19-16 described 19-6 BPDU filtering described 20-3 enabling 20-14 BPDU guard described 20-2 enabling 20-13 CIST, described 19-3 CIST regional root 19-3 CIST root 19-5 configuration guidelines 19-15, 20-12 configuring forward-delay time 19-24 hello time 19-23 link type for rapid convergence 19-25 maximum aging time 19-24 maximum hop count 19-25 MST region 19-16 neighbor type 19-26 path cost 19-21 port priority 19-20 root switch 19-18 secondary root switch 19-19 switch priority 19-22 CST defined 19-3 operations between regions 19-3 default configuration 19-14 default optional feature configuration 20-12 displaying status 19-27 enabling the mode 19-16 EtherChannel guard described 20-10 enabling 20-17 extended system ID effects on root switch 19-18 effects on secondary root switch 19-19 unexpected behavior 19-18 IEEE 802.1s implementation 19-6 port role naming change 19-6 terminology 19-5 instances supported 18-10 interface state, blocking to forwarding 20-2 interoperability and compatibility among modes 18-11 interoperability with IEEE 802.1D described 19-8 restarting migration process 19-26 IST defined 19-2 master 19-3 operations within a region 19-3 loop guard described 20-11 enabling 20-18 mapping VLANs to MST instance 19-17 MST region CIST 19-3 configuring 19-16 described 19-2 hop-count mechanism 19-5 IST 19-2 supported spanning-tree instances 19-2 optional features supported 1-8 overview 19-2 Port Fast described 20-2 enabling 20-12 preventing root switch selection 20-10 root guard described 20-10 enabling 20-18 root switch configuring 19-18 effects of extended system ID 19-18 unexpected behavior 19-18 shutdown Port Fast-enabled port 20-2 stack changes, effects of 19-8 status, displaying 19-27 MTU system 12-34 system jumbo 12-34 system routing 12-34 multiauth support for inaccessible authentication bypass 10-23 multiauth mode See multiple-authentication mode multicast groups Immediate Leave 24-6 joining 24-3 leaving 24-5 static joins 24-10, 25-8 multicast packets ACLs on 35-41 blocking 26-8 multicast router interfaces, monitoring 24-17, 25-12 multicast router ports, adding 24-9, 25-8 Multicast Source Discovery Protocol See MSDP multicast storm 26-1 multicast storm-control command 26-4 multicast television application 24-18 multicast VLAN 24-17 Multicast VLAN Registration See MVR multidomain authentication See MDA multioperations scheduling, IP SLAs 43-5 multiple authentication 10-13 Multiple HSRP See MHSRP multiple VPN routing/forwarding in customer edge devices See multi-VRF CE multi-VRF CE configuration example 40-86 configuration guidelines 40-78 configuring 40-78 default configuration 40-78 defined 40-75 displaying 40-89 monitoring 40-89 network components 40-78 packet-forwarding process 40-77 support for 1-14 MVR and address aliasing 24-20 and IGMPv3 24-21 configuring interfaces 24-22 default configuration 24-20 described 24-17 example application 24-18 in the switch stack 24-20 modes 24-21 multicast television application 24-18 setting global parameters 24-21 support for 1-5 N NAC AAA down policy 1-11 critical authentication 10-23, 10-54 IEEE 802.1x authentication using a RADIUS server 10-59 IEEE 802.1x validation using RADIUS server 10-59 inaccessible authentication bypass 1-11, 10-54 Layer 2 IEEE 802.1x validation 1-11, 10-59 Layer 2 IEEE802.1x validation 10-29 Layer 2 IP validation 1-11 named IPv4 ACLs 35-15 named IPv6 ACLs 36-3 NameSpace Mapper See NSM native VLAN and IEEE 802.1Q tunneling 17-4 configuring 13-21 default 13-21 NEAT configuring 10-60 overview 10-31 neighbor discovery, IPv6 41-4 neighbor discovery/recovery, EIGRP 40-37 neighbors, BGP 40-59 Network Admission Control See NAC Network Assistant benefits 1-2 described 1-5 downloading image files 1-3 guide mode 1-3 management options 1-2 managing switch stacks 5-2, 5-16 requirements l upgrading a switch B-25 wizards 1-3 network configuration examples cost-effective wiring closet 1-21 high-performance wiring closet 1-22 increasing network performance 1-19 large network 1-28 long-distance, high-bandwidth transport 1-32 multidwelling network 1-31 providing network services 1-20 redundant Gigabit backbone 1-24 server aggregation and Linux server cluster 1-24 small to medium-sized network 1-26 network design performance 1-20 services 1-20 Network Edge Access Topology See NEAT network management CDP 27-1 RMON 31-1 SNMP 33-1 network performance, measuring with IP SLAs 43-3 network policy TLV 28-2, 28-7 Network Time Protocol See NTP no commands 2-4 nonhierarchical policy maps configuration guidelines 37-39 configuring 37-59 described 37-10 non-IP traffic filtering 35-28 nontrunking mode 13-16 normal-range VLANs 13-4 configuration guidelines 13-5 configuring 13-4 defined 13-1 no switchport command 12-4 note, described l not-so-stubby areas See NSSA NSAPs, as ISO IGRP addresses 40-66 NSF Awareness IS-IS 40-68 NSM 4-3 NSSA, OSPF 40-32 NTP associations authenticating 7-4 defined 7-2 enabling broadcast messages 7-6 peer 7-5 server 7-5 default configuration 7-4 displaying the configuration 7-11 overview 7-2 restricting access creating an access group 7-8 disabling NTP services per interface 7-10 source IP address, configuring 7-10 stratum 7-2 support for 1-7 synchronizing devices 7-5 time services 7-2 synchronizing 7-2 O OBFL configuring 49-26 described 49-26 displaying 49-27 object tracking HSRP 44-7 IP SLAs 44-9 IP SLAs, configuring 44-9 monitoring 44-12 offline configuration for switch stacks 5-8 off mode, VTP 14-3 on-board failure logging See OBFL online diagnostics described 50-1 overview 50-1 running tests 50-5 open1x configuring 10-65 open1x authentication overview 10-29 Open Shortest Path First See OSPF optimizing system resources 8-1 options, management 1-5 OSPF area parameters, configuring 40-32 configuring 40-30 default configuration metrics 40-33 route 40-33 settings 40-27 described 40-26 for IPv6 41-7 interface parameters, configuring 40-31 LSA group pacing 40-35 monitoring 40-36 router IDs 40-35 route summarization 40-33 support for 1-14 virtual links 40-33 out-of-profile markdown 1-13 P packet modification, with QoS 37-22 PAgP Layer 2 protocol tunneling 17-9 See EtherChannel parallel paths, in routing tables 40-92 passive interfaces configuring 40-102 OSPF 40-34 passwords default configuration 9-2 disabling recovery of 9-5 encrypting 9-3 for security 1-10 in clusters 6-14 overview 9-1 recovery of 49-3 setting enable 9-3 enable secret 9-3 Telnet 9-6 with usernames 9-6 VTP domain 14-9 path cost MSTP 19-21 STP 18-20 path MTU discovery 41-4 PBR defined 40-98 enabling 40-100 fast-switched policy-based routing 40-101 local policy-based routing 40-101 PC (passive command switch) 6-10 peers, BGP 40-59 percentage thresholds in tracked lists 44-6 performance, network design 1-19 performance features 1-4 persistent self-signed certificate 9-50 per-user ACLs and Filter-Ids 10-9 per-VLAN spanning-tree plus See PVST+ PE to CE routing, configuring 40-85 physical ports 12-2 PIM default configuration 46-11 dense mode overview 46-4 rendezvous point (RP), described 46-5 RPF lookups 46-9 displaying neighbors 46-64 enabling a mode 46-13 overview 46-4 router-query message interval, modifying 46-38 shared tree and source tree, overview 46-35 shortest path tree, delaying the use of 46-37 sparse mode join messages and shared tree 46-5 overview 46-5 prune messages 46-5 RPF lookups 46-9 stub routing configuration guidelines 46-22 enabling 46-22 overview 46-5 support for 1-14 versions interoperability 46-11 troubleshooting interoperability problems 46-35 v2 improvements 46-4 PIM-DVMRP, as snooping method 24-9 ping character output description 49-16 executing 49-15 overview 49-15 PoE auto mode 12-9 CDP with power consumption, described 12-7 CDP with power negotiation, described 12-7 Cisco intelligent power management 12-7 configuring 12-27 devices supported 12-6 high-power devices operating in low-power mode 12-7 IEEE power classification levels 12-8 monitoring 12-10 monitoring power 12-30 policing power consumption 12-30 policing power usage 12-10 power budgeting 12-28 power consumption 12-28 powered-device detection and initial power allocation 12-7 power management modes 12-9 power negotiation extensions to CDP 12-7 standards supported 12-7 static mode 12-9 supported watts per port 12-7 troubleshooting 49-13 policed-DSCP map for QoS 37-76 policers configuring for each matched traffic class 37-59 for more than one traffic class 37-72 described 37-4 displaying 37-92 number of 37-40 types of 37-10 policing described 37-4 hierarchical See hierarchical policy maps token-bucket algorithm 37-10 policy-based routing See PBR policy maps for QoS characteristics of 37-60 described 37-8 displaying 37-92 hierarchical 37-9 hierarchical on SVIs configuration guidelines 37-39 configuring 37-64 described 37-12 nonhierarchical on physical ports configuration guidelines 37-39 configuring 37-59 described 37-10 POP 1-31 port ACLs defined 35-2 types of 35-3 Port Aggregation Protocol See EtherChannel port-based authentication accounting 10-15 authentication server defined 10-3, 11-2 RADIUS server 10-3 client, defined 10-3, 11-2 configuration guidelines 10-35, 11-9 configuring 802.1x authentication 10-41 guest VLAN 10-51 host mode 10-44 inaccessible authentication bypass 10-54 manual re-authentication of a client 10-46 periodic re-authentication 10-45 quiet period 10-46 RADIUS server 10-43, 11-12 RADIUS server parameters on the switch 10-42, 11-11 restricted VLAN 10-52 switch-to-client frame-retransmission number 10-47, 10-48 switch-to-client retransmission time 10-47 violation mode 10-27 violation modes10-40to 10-41 default configuration 10-34, 11-9 described 10-1 device roles 10-3, 11-2 displaying statistics 10-68, 11-17 downloadable ACLs and redirect URLs configuring10-62to 10-64, ??to 10-65 overview10-19to 10-21 EAPOL-start frame 10-6 EAP-request/identity frame 10-6 EAP-response/identity frame 10-6 enabling 802.1X authentication 11-11 encapsulation 10-3 flexible authentication ordering configuring 10-65 overview 10-29 guest VLAN configuration guidelines 10-22, 10-23 described 10-21 host mode 10-12 inaccessible authentication bypass configuring 10-54 described 10-23 guidelines 10-37 initiation and message exchange 10-6 magic packet 10-27 maximum number of allowed devices per port 10-38 method lists 10-41 multiple authentication 10-13 multiple-hosts mode, described 10-12 per-user ACLs AAA authorization 10-41 configuration tasks 10-19 described 10-18 RADIUS server attributes 10-18 ports authorization state and dot1x port-control command 10-11 authorized and unauthorized 10-11 voice VLAN 10-25 port security and voice VLAN 10-27 described 10-26 interactions 10-26 multiple-hosts mode 10-12 readiness check configuring 10-38 described 10-16, 10-38 resetting to default values 10-67 stack changes, effects of 10-11 statistics, displaying 10-68 switch as proxy 10-3, 11-2 RADIUS client 10-3 switch supplicant configuring 10-60 overview 10-31 user distribution guidelines 10-25 overview 10-25 VLAN assignment AAA authorization 10-41 characteristics 10-17 configuration tasks 10-17 described 10-16 voice aware 802.1x security configuring 10-39 described 10-32, 10-39 voice VLAN described 10-25 PVID 10-25 VVID 10-25 wake-on-LAN, described 10-27 port-based authentication methods, supported 10-8 port-based trust IPv4 and IPv6 8-2 port blocking 1-4, 26-7 port-channel See EtherChannel port description TLV 28-2 Port Fast described 20-2 enabling 20-12 mode, spanning tree 13-27 support for 1-8 port membership modes, VLAN 13-3 port priority MSTP 19-20 STP 18-18 ports 10-Gigabit Ethernet 12-6 access 12-3 blocking 26-7 dynamic access 13-3 protected 26-6 routed 12-4 secure 26-9 static-access 13-3, 13-9 switch 12-2 trunks 13-3, 13-14 VLAN assignments 13-9 port security aging 26-17 and other features 26-11 and private VLANs 26-18 and QoS trusted boundary 37-45 and stacking 26-18 configuration guidelines 26-11 configuring 26-13 default configuration 26-11 described 26-8 displaying 26-19 enabling 26-18 on trunk ports 26-14 sticky learning 26-9 violations 26-10 port-shutdown response, VMPS 13-26 port VLAN ID TLV 28-2 power management TLV 28-2, 28-7 Power over Ethernet See PoE power supply configuring 12-38 managing 12-38 preemption, default configuration 21-8 preemption delay, default configuration 21-8 preferential treatment of traffic See QoS prefix lists, BGP 40-57 preventing unauthorized access 9-1 primary interface for object tracking, DHCP, configuring 44-11 primary interface for static routing, configuring 44-10 primary links 21-2 primary VLANs 16-1, 16-3 priority HSRP 42-8 overriding CoS 15-6 trusting CoS 15-6 private VLAN edge ports See protected ports private VLANs across multiple switches 16-4 and SDM template 16-4 and SVIs 16-5 and switch stacks 16-5 benefits of 16-1 community ports 16-2 community VLANs 16-2, 16-3 configuration guidelines 16-7, 16-8 configuration tasks 16-6 configuring 16-9 default configuration 16-6 end station access to 16-3 IP addressing 16-3 isolated port 16-2 isolated VLANs 16-2, 16-3 mapping 16-13 monitoring 16-14 ports community 16-2 configuration guidelines 16-8 configuring host ports 16-11 configuring promiscuous ports 16-12 isolated 16-2 promiscuous 16-2 primary VLANs 16-1, 16-3 promiscuous ports 16-2 secondary VLANs 16-2 subdomains 16-1 traffic in 16-5 privileged EXEC mode 2-2 privilege levels changing the default for lines 9-9 command switch 6-17 exiting 9-9 logging into 9-9 mapping on member switches 6-17 overview 9-2, 9-7 setting a command with 9-8 promiscuous ports configuring 16-12 defined 16-2 protected ports 1-10, 26-6 protocol-dependent modules, EIGRP 40-37 Protocol-Independent Multicast Protocol See PIM provider edge devices 40-76 provisioning new members for a switch stack 5-8 proxy ARP configuring 40-12 definition 40-10 with IP routing disabled 40-12 proxy reports 21-3 pruning, VTP disabling in VTP domain 14-15 on a port 13-21 enabling in VTP domain 14-15 on a port 13-20 examples 14-7 overview 14-6 pruning-eligible list changing 13-20 for VTP pruning 14-6 VLANs 14-15 PVST+ described 18-10 IEEE 802.1Q trunking interoperability 18-11 instances supported 18-10 Q QoS and MQC commands 37-2 auto-QoS categorizing traffic 37-24 configuration and defaults display 37-35 configuration guidelines 37-33 described 37-23 disabling 37-35 displaying generated commands 37-35 displaying the initial configuration 37-35 effects on running configuration 37-33 egress queue defaults 37-25 list of generated commands 37-26 basic model 37-4 classification class maps, described 37-8 defined 37-4 DSCP transparency, described 37-46 flowchart 37-7 forwarding treatment 37-3 in frames and packets 37-3 IP ACLs, described 37-7, 37-8 MAC ACLs, described 37-5, 37-8 options for IP traffic 37-6 options for non-IP traffic 37-5 policy maps, described 37-8 trust DSCP, described 37-5 trusted CoS, described 37-5 trust IP precedence, described 37-5 class maps configuring 37-54 displaying 37-92 configuration guidelines auto-QoS 37-33 standard QoS 37-39 configuring aggregate policers 37-72 auto-QoS 37-23 default port CoS value 37-44 DSCP maps 37-74 DSCP transparency 37-46 DSCP trust states bordering another domain 37-47 egress queue characteristics 37-84 ingress queue characteristics 37-80 IP extended ACLs 37-50 IP standard ACLs 37-49 MAC ACLs 37-53 policy maps, hierarchical 37-64 policy maps on physical ports 37-59 port trust states within the domain 37-43 trusted boundary 37-45 default auto configuration 37-24 default standard configuration 37-36 displaying statistics 37-92 DSCP transparency 37-46 egress queues allocating buffer space 37-85 buffer allocation scheme, described 37-20 configuring shaped weights for SRR 37-89 configuring shared weights for SRR 37-90 described 37-4 displaying the threshold map 37-88 flowchart 37-19 mapping DSCP or CoS values 37-87 scheduling, described 37-4 setting WTD thresholds 37-85 WTD, described 37-22 enabling globally 37-41 flowcharts classification 37-7 egress queueing and scheduling 37-19 ingress queueing and scheduling 37-16 policing and marking 37-11 implicit deny 37-8 ingress queues allocating bandwidth 37-82 allocating buffer space 37-82 buffer and bandwidth allocation, described 37-18 configuring shared weights for SRR 37-82 configuring the priority queue 37-83 described 37-4 displaying the threshold map 37-81 flowchart 37-16 mapping DSCP or CoS values 37-81 priority queue, described 37-18 scheduling, described 37-4 setting WTD thresholds 37-81 WTD, described 37-18 IP phones automatic classification and queueing 37-23 detection and trusted settings 37-23, 37-45 limiting bandwidth on egress interface 37-91 mapping tables CoS-to-DSCP 37-74 displaying 37-92 DSCP-to-CoS 37-77 DSCP-to-DSCP-mutation 37-78 IP-precedence-to-DSCP 37-75 policed-DSCP 37-76 types of 37-13 marked-down actions 37-62, 37-68 marking, described 37-4, 37-9 overview 37-2 packet modification 37-22 policers configuring 37-62, 37-68, 37-72 described 37-9 displaying 37-92 number of 37-40 types of 37-10 policies, attaching to an interface 37-9 policing described 37-4, 37-9 token bucket algorithm 37-10 policy maps characteristics of 37-60 displaying 37-92 hierarchical 37-9 hierarchical on SVIs 37-64 nonhierarchical on physical ports 37-59 QoS label, defined 37-4 queues configuring egress characteristics 37-84 configuring ingress characteristics 37-80 high priority (expedite) 37-22, 37-90 location of 37-14 SRR, described 37-15 WTD, described 37-15 rewrites 37-22 support for 1-12 trust states bordering another domain 37-47 described 37-5 trusted device 37-45 within the domain 37-43 quality of service See QoS queries, IGMP 24-4 query solicitation, IGMP 24-13 R RADIUS attributes vendor-proprietary 9-37 vendor-specific 9-35 configuring accounting 9-34 authentication 9-29 authorization 9-33 communication, global 9-27, 9-35 communication, per-server 9-27 multiple UDP ports 9-27 default configuration 9-27 defining AAA server groups 9-31 displaying the configuration 9-39 identifying the server 9-27 in clusters 6-16 limiting the services to the user 9-33 method list, defined 9-26 operation of 9-19 overview 9-18 server load balancing 9-39 suggested network environments 9-18 support for 1-12 tracking services accessed by user 9-34 RADIUS Change of Authorization 9-19 range macro 12-16 of interfaces 12-14 rapid convergence 19-10 rapid per-VLAN spanning-tree plus See rapid PVST+ rapid PVST+ described 18-10 IEEE 802.1Q trunking interoperability 18-11 instances supported 18-10 Rapid Spanning Tree Protocol See RSTP RARP 40-10 rcommand command 6-16 RCP configuration files downloading B-18 overview B-17 preparing the server B-17 uploading B-19 image files deleting old image B-38 downloading B-37 preparing the server B-36 uploading B-38 reachability, tracking IP SLAs IP host 44-9 readiness check port-based authentication configuring 10-38 described 10-16, 10-38 reconfirmation interval, VMPS, changing 13-29 reconfirming dynamic VLAN membership 13-29 redirect URL 10-19, 10-20, 10-62 redundancy EtherChannel 38-3 HSRP 42-1 STP backbone 18-8 multidrop backbone 20-5 path cost 13-24 port priority 13-22 redundant links and UplinkFast 20-15 redundant power system See Cisco Redundant Power System 2300 reliable transport protocol, EIGRP 40-37 reloading software 3-24 Remote Authentication Dial-In User Service See RADIUS Remote Copy Protocol See RCP Remote Network Monitoring See RMON Remote SPAN See RSPAN remote SPAN 30-3 report suppression, IGMP described 24-6 disabling 24-16, 25-11 requirements cluster l device manager l Network Assistant l resequencing ACL entries 35-15 reserved addresses in DHCP pools 22-27 resets, in BGP 40-51 resetting a UDLD-shutdown interface 29-6 responder, IP SLAs described 43-4 enabling 43-7 response time, measuring with IP SLAs 43-4 restricted VLAN configuring 10-52 described 10-22 using with IEEE 802.1x 10-22 restricting access NTP services 7-8 overview 9-1 passwords and privilege levels 9-2 RADIUS 9-17 TACACS+ 9-10 retry count, VMPS, changing 13-30 reverse address resolution 40-9 Reverse Address Resolution Protocol See RARP RFC 1058, RIP 40-20 1112, IP multicast and IGMP 24-2 1157, SNMPv1 33-2 1163, BGP 40-44 1166, IP addresses 40-7 1253, OSPF 40-26 1267, BGP 40-44 1305, NTP 7-2 1587, NSSAs 40-26 1757, RMON 31-2 1771, BGP 40-44 1901, SNMPv2C 33-2 1902 to 1907, SNMPv2 33-2 2236, IP multicast and IGMP 24-2 2273-2275, SNMPv3 33-2 RFC 5176 Compliance 9-20 RIP advertisements 40-20 authentication 40-23 configuring 40-21 default configuration 40-21 described 40-20 for IPv6 41-7 hop counts 40-20 split horizon 40-23 summary addresses 40-24 support for 1-14 RMON default configuration 31-3 displaying status 31-6 enabling alarms and events 31-3 groups supported 31-2 overview 31-1 statistics collecting group Ethernet 31-6 collecting group history 31-5 support for 1-16 root guard described 20-10 enabling 20-18 support for 1-8 root switch MSTP 19-18 STP 18-16 route calculation timers, OSPF 40-34 route dampening, BGP 40-63 routed packets, ACLs on 35-40 routed ports configuring 40-5 defined 12-4 in switch clusters 6-8 IP addresses on 12-32, 40-5 route-map command 40-100 route maps BGP 40-55 policy-based routing 40-98 router ACLs defined 35-2 types of 35-4 route reflectors, BGP 40-62 router ID, OSPF 40-35 route selection, BGP 40-53 route summarization, OSPF 40-33 route targets, VPN 40-78 routing default 40-3 dynamic 40-3 redistribution of information 40-95 static 40-3 routing domain confederation, BGP 40-62 Routing Information Protocol See RIP routing protocol administrative distances 40-93 RPS See Cisco Redundant Power System 2300 RPS 2300 See Cisco Redundant Power System 2300 RSPAN 30-3 and stack changes 30-11 characteristics 30-9 configuration guidelines 30-19 default configuration 30-12 destination ports 30-8 displaying status 30-31 in a switch stack 30-3 interaction with other features 30-10 monitored ports 30-7 monitoring ports 30-8 overview 1-15, 30-1 received traffic 30-6 session limits 30-13 sessions creating 30-20 defined 30-4 limiting source traffic to specific VLANs 30-22 specifying monitored ports 30-20 with ingress traffic enabled 30-25 source ports 30-7 transmitted traffic 30-6 VLAN-based 30-7 RSTP active topology 19-9 BPDU format 19-12 processing 19-13 designated port, defined 19-9 designated switch, defined 19-9 interoperability with IEEE 802.1D described 19-8 restarting migration process 19-26 topology changes 19-13 overview 19-9 port roles described 19-9 synchronized 19-11 proposal-agreement handshake process 19-10 rapid convergence cross-stack rapid convergence 19-11 described 19-10 edge ports and Port Fast 19-10 point-to-point links 19-10, 19-25 root ports 19-10 root port, defined 19-9 See also MSTP running configuration replacing B-20, B-21 rolling back B-20, B-22 saving 3-16 S SC (standby command switch) 6-10 scheduled reloads 3-24 scheduling, IP SLAs operations 43-5 SCP and SSH 9-55 configuring 9-56 SDM described 8-1 switch stack consideration 5-10 templates configuring 8-5 number of 8-1 SDM template configuring 8-4 dual IPv4 and IPv6 8-2 types of 8-1 secondary VLANs 16-2 Secure Copy Protocol secure HTTP client configuring 9-54 displaying 9-55 secure HTTP server configuring 9-53 displaying 9-55 secure MAC addresses and switch stacks 26-18 deleting 26-16 maximum number of 26-10 types of 26-9 secure ports and switch stacks 26-18 configuring 26-9 secure remote connections 9-45 Secure Shell See SSH Secure Socket Layer See SSL security, port 26-8 security features 1-9 See SCP sequence numbers in log messages 32-8 server mode, VTP 14-3 service-provider network, MSTP and RSTP 19-1 service-provider networks and customer VLANs 17-2 and IEEE 802.1Q tunneling 17-1 Layer 2 protocols across 17-8 Layer 2 protocol tunneling for EtherChannels 17-9 set-request operation 33-4 setup program failed command switch replacement 49-11 replacing failed command switch 49-9 severity levels, defining in system messages 32-9 SFPs monitoring status of 12-41, 49-14 numbering of 12-13 security and identification 49-14 status, displaying 49-14 shaped round robin See SRR show access-lists hw-summary command 35-22 show and more command output, filtering 2-9 show cdp traffic command 27-5 show cluster members command 6-16 show configuration command 12-31 show forward command 49-22 show interfaces command 12-24, 12-31 show interfaces switchport 21-4 show l2protocol command 17-13, 17-15, 17-16 show lldp traffic command 28-11 show platform forward command 49-22 show running-config command displaying ACLs 35-20, 35-21, 35-33, 35-35 interface description in 12-31 shutdown command on interfaces 12-42 shutdown threshold for Layer 2 protocol packets 17-11 Simple Network Management Protocol See SNMP single session ID 10-33 small form-factor pluggable modules See SFPs small-frame arrival rate, configuring 26-5 SNAP 27-1 SNMP accessing MIB variables with 33-4 agent described 33-4 disabling 33-7 and IP SLAs 43-2 authentication level 33-10 community strings configuring 33-8 for cluster switches 33-4 overview 33-4 configuration examples 33-18 default configuration 33-6 engine ID 33-7 groups 33-7, 33-9 host 33-7 ifIndex values 33-5 in-band management 1-7 in clusters 6-14 informs and trap keyword 33-12 described 33-5 differences from traps 33-5 disabling 33-15 enabling 33-15 limiting access by TFTP servers 33-17 limiting system log messages to NMS 32-10 manager functions 1-6, 33-3 managing clusters with 6-17 MIBs location of A-4 supported A-1 notifications 33-5 overview 33-1, 33-4 security levels 33-3 setting CPU threshold notification 33-16 status, displaying 33-19 system contact and location 33-16 trap manager, configuring 33-14 traps described 33-3, 33-5 differences from informs 33-5 disabling 33-15 enabling 33-12 enabling MAC address notification 7-22, 7-24, 7-25 overview 33-1, 33-4 types of 33-12 users 33-7, 33-9 versions supported 33-2 SNMP and Syslog Over IPv6 41-7 SNMPv1 33-2 SNMPv2C 33-2 SNMPv3 33-2 snooping, IGMP 24-2 software compatibility See stacks, switch software images location in flash B-26 recovery procedures 49-2 scheduling reloads 3-24 tar file format, described B-26 See also downloading and uploading software images in mixed stacks See the Cisco Software Activation and Compatibility Document source addresses in IPv4 ACLs 35-12 in IPv6 ACLs 36-5 source-and-destination-IP address based forwarding, EtherChannel 38-9 source-and-destination MAC address forwarding, EtherChannel 38-9 source-IP address based forwarding, EtherChannel 38-9 source-MAC address forwarding, EtherChannel 38-8 Source-specific multicast See SSM SPAN and stack changes 30-11 configuration guidelines 30-13 default configuration 30-12 destination ports 30-8 displaying status 30-31 interaction with other features 30-10 monitored ports 30-7 monitoring ports 30-8 overview 1-15, 30-1 ports, restrictions 26-12 received traffic 30-6 session limits 30-13 sessions configuring ingress forwarding 30-17, 30-26 creating 30-14, 30-28 defined 30-4 limiting source traffic to specific VLANs 30-18 removing destination (monitoring) ports 30-15 specifying monitored ports 30-14, 30-28 with ingress traffic enabled 30-16 source ports 30-7 transmitted traffic 30-6 VLAN-based 30-7 spanning tree and native VLANs 13-17 Spanning Tree Protocol See STP SPAN traffic 30-6 split horizon, RIP 40-23 SRR configuring shaped weights on egress queues 37-89 shared weights on egress queues 37-90 shared weights on ingress queues 37-82 described 37-15 shaped mode 37-15 shared mode 37-16 support for 1-13 SSH configuring 9-46 described 1-7, 9-45 encryption methods 9-45 switch stack considerations 5-17 user authentication methods, supported 9-45 SSL configuration guidelines 9-52 configuring a secure HTTP client 9-54 configuring a secure HTTP server 9-53 described 9-49 monitoring 9-55 SSM address management restrictions 46-16 CGMP limitations 46-16 components 46-14 configuration guidelines 46-16 configuring 46-14, 46-17 differs from Internet standard multicast 46-14 IGMP snooping 46-16 IGMPv3 46-14 IGMPv3 Host Signalling 46-15 IP address range 46-15 monitoring 46-17 operations 46-15 PIM 46-14 state maintenance limitations 46-16 SSM mapping 46-17 configuration guidelines 46-17 configuring 46-17, 46-19 DNS-based 46-18, 46-20 monitoring 46-21 overview 46-18 restrictions 46-18 static 46-18, 46-20 static traffic forwarding 46-21 stack changes effects on IPv6 routing 41-10 stack changes, effects on ACL configuration 35-7 CDP 27-2 cross-stack EtherChannel 38-13 EtherChannel 38-10 fallback bridging 48-3 HSRP 42-5 IEEE 802.1x port-based authentication 10-11 IGMP snooping 24-7 IP routing 40-4 IPv6 ACLs 36-3 MAC address tables 7-21 MSTP 19-8 multicast routing 46-10 MVR 24-18 port security 26-18 SDM template selection 8-3 SNMP 33-1 SPAN and RSPAN 30-11 STP 18-12 switch clusters 6-14 system message log 32-2 VLANs 13-6 VTP 14-7 stack master bridge ID (MAC address) 5-7 defined 5-2 election 5-5 IPv6 41-10 re-election 5-5 See also stacks, switch stack member accessing CLI of specific member 5-25 configuring member number 5-22 priority value 5-23 defined 5-2 displaying information of 5-25 IPv6 41-10 number 5-7 priority value 5-8 provisioning a new member 5-23 replacing 5-16 See also stacks, switch stack member number 12-13 stack protocol version 5-11 stacks, switch accessing CLI of specific member 5-25 assigning information member number 5-22 priority value 5-23 provisioning a new member 5-23 auto-advise 5-12 auto-copy 5-12 auto-extract 5-12 auto-upgrade 5-12 bridge ID 5-7 Catalyst 3750-E-only 5-1 CDP considerations 27-2 compatibility, software 5-11 configuration file 5-15 configuration scenarios 5-18 copying an image file from one member to another B-39 default configuration 5-20 description of 5-1 displaying information of 5-25 enabling persistent MAC address timer 5-20 hardware compatibility and SDM mismatch mode 5-10 HSRP considerations 42-5 in clusters 6-14 incompatible software and image upgrades 5-15, B-39 IPv6 on 41-9 MAC address considerations 7-21 MAC address of 5-20 management connectivity 5-16 managing 5-1 managing mixed See Catalyst 3750-E and 3750 Switch Stacking Compatibility Guide membership 5-3 merged 5-4 mixed hardware 5-1 hardware and software 5-2 software 5-2 with Catalyst 3750-E and 3750 switches 5-1 mixed software images See Cisco Software Activation and Compatibility Document MSTP instances supported 18-10 multicast routing, stack master and member roles 46-10 offline configuration described 5-8 effects of adding a provisioned switch 5-8 effects of removing a provisioned switch 5-10 effects of replacing a provisioned switch 5-10 provisioned configuration, defined 5-8 provisioned switch, defined 5-8 provisioning a new member 5-23 partitioned 5-4, 49-8 provisioned switch adding 5-8 removing 5-10 replacing 5-10 replacing a failed member 5-16 software compatibility 5-11 software image version 5-11 stack protocol version 5-11 STP bridge ID 18-3 instances supported 18-10 root port selection 18-3 stack root switch election 18-3 system messages hostnames in the display 32-1 remotely monitoring 32-2 system prompt consideration 7-14 system-wide configuration considerations 5-16 upgrading B-39 version-mismatch (VM) mode automatic upgrades with auto-upgrade 5-12 described 5-11 examples 5-13 manual upgrades with auto-advise 5-12 upgrades with auto-extract 5-12 See also stack master and stack member StackWise Plus technology, Cisco 1-3 See also stacks, switch standby command switch configuring considerations 6-11 defined 6-2 priority 6-10 requirements 6-3 virtual IP address 6-11 See also cluster standby group and HSRP standby group, cluster See cluster standby group and HSRP standby ip command 42-6 standby links 21-2 standby router 42-1 standby timers, HSRP 42-10 startup configuration booting manually 3-19 specific image 3-20 clearing B-20 configuration file automatically downloading 3-18 specifying the filename 3-19 default boot configuration 3-18 static access ports assigning to VLAN 13-9 defined 12-3, 13-3 static addresses See addresses static IP routing 1-14 static MAC addressing 1-10 static route primary interface, configuring 44-10 static routes configuring 40-93 understanding 41-6 static routing 40-3 static routing support, enhanced object tracking 44-10 static SSM mapping 46-18, 46-20 static traffic forwarding 46-21 static VLAN membership 13-2 statistics 802.1X 11-17 CDP 27-5 IEEE 802.1x 10-68 interface 12-40 IP multicast routing 46-63 OSPF 40-36 QoS ingress and egress 37-92 RMON group Ethernet 31-6 RMON group history 31-5 SNMP input and output 33-19 VTP 14-17 sticky learning 26-9 storm control configuring 26-3 described 26-1 disabling 26-5 displaying 26-19 support for 1-4 thresholds 26-1 STP accelerating root port selection 20-4 BackboneFast described 20-7 disabling 20-17 enabling 20-16 BPDU filtering described 20-3 disabling 20-15 enabling 20-14 BPDU guard described 20-2 disabling 20-14 enabling 20-13 BPDU message exchange 18-3 configuration guidelines 18-13, 20-12 configuring forward-delay time 18-23 hello time 18-22 maximum aging time 18-23 path cost 18-20 port priority 18-18 root switch 18-16 secondary root switch 18-18 spanning-tree mode 18-15 switch priority 18-21 transmit hold-count 18-24 counters, clearing 18-24 cross-stack UplinkFast described 20-5 enabling 20-16 default configuration 18-13 default optional feature configuration 20-12 designated port, defined 18-4 designated switch, defined 18-4 detecting indirect link failures 20-8 disabling 18-16 displaying status 18-24 EtherChannel guard described 20-10 disabling 20-17 enabling 20-17 extended system ID effects on root switch 18-16 effects on the secondary root switch 18-18 overview 18-4 unexpected behavior 18-16 features supported 1-8 IEEE 802.1D and bridge ID 18-4 IEEE 802.1D and multicast addresses 18-9 IEEE 802.1t and VLAN identifier 18-5 inferior BPDU 18-3 instances supported 18-10 interface state, blocking to forwarding 20-2 interface states blocking 18-6 disabled 18-7 forwarding 18-6, 18-7 learning 18-7 listening 18-7 overview 18-5 interoperability and compatibility among modes 18-11 keepalive messages 18-2 Layer 2 protocol tunneling 17-8 limitations with IEEE 802.1Q trunks 18-11 load sharing overview 13-22 using path costs 13-24 using port priorities 13-22 loop guard described 20-11 enabling 20-18 modes supported 18-10 multicast addresses, effect of 18-9 optional features supported 1-8 overview 18-2 path costs 13-24, 13-25 Port Fast described 20-2 enabling 20-12 port priorities 13-23 preventing root switch selection 20-10 protocols supported 18-10 redundant connectivity 18-8 root guard described 20-10 enabling 20-18 root port, defined 18-3 root port selection on a switch stack 18-3 root switch configuring 18-16 effects of extended system ID 18-4, 18-16 election 18-3 unexpected behavior 18-16 shutdown Port Fast-enabled port 20-2 stack changes, effects of 18-12 status, displaying 18-24 superior BPDU 18-3 timers, described 18-22 UplinkFast described 20-3 enabling 20-15 VLAN-bridge 18-11 stratum, NTP 7-2 stub areas, OSPF 40-32 stub routing, EIGRP 40-43 subdomains, private VLAN 16-1 subnet mask 40-7 subnet zero 40-7 success response, VMPS 13-26 summer time 7-13 SunNet Manager 1-6 supernet 40-8 supported port-based authentication methods 10-8 SVI autostate exclude configuring 12-33 defined 12-6 SVI link state 12-6 SVIs and IP unicast routing 40-5 and router ACLs 35-4 connecting VLANs 12-11 defined 12-5 routing between VLANs 13-2 switch 41-2 switch clustering technology 6-1 See also clusters, switch switch console port 1-7 Switch Database Management See SDM switched packets, ACLs on 35-39 Switched Port Analyzer See SPAN switched ports 12-2 switchport backup interface 21-4, 21-5 switchport block multicast command 26-8 switchport block unicast command 26-8 switchport command 12-22 switchport mode dot1q-tunnel command 17-7 switchport protected command 26-7 switch priority MSTP 19-22 STP 18-21 switch software features 1-1 switch virtual interface See SVI synchronization, BGP 40-49 syslog See system message logging system capabilities TLV 28-2 system clock configuring daylight saving time 7-13 manually 7-11 summer time 7-13 time zones 7-12 displaying the time and date 7-12 overview 7-2 See also NTP system description TLV 28-2 system message logging default configuration 32-4 defining error message severity levels 32-9 disabling 32-4 displaying the configuration 32-14 enabling 32-5 facility keywords, described 32-14 level keywords, described 32-10 limiting messages 32-10 message format 32-2 overview 32-1 sequence numbers, enabling and disabling 32-8 setting the display destination device 32-5 stack changes, effects of 32-2 synchronizing log messages 32-6 syslog facility 1-16 time stamps, enabling and disabling 32-8 UNIX syslog servers configuring the daemon 32-12 configuring the logging facility 32-13 facilities supported 32-14 system MTU and IS-IS LSPs 40-70 system MTU and IEEE 802.1Q tunneling 17-5 system name default configuration 7-15 default setting 7-15 manual configuration 7-15 See also DNS system name TLV 28-2 system prompt, default setting 7-14, 7-15 system resources, optimizing 8-1 system routing IS-IS 40-66 ISO IGRP 40-66 T TACACS+ accounting, defined 9-11 authentication, defined 9-11 authorization, defined 9-11 configuring accounting 9-17 authentication key 9-13 authorization 9-16 login authentication 9-14 default configuration 9-13 displaying the configuration 9-17 identifying the server 9-13 in clusters 6-16 limiting the services to the user 9-16 operation of 9-12 overview 9-10 support for 1-11 tracking services accessed by user 9-17 tagged packets IEEE 802.1Q 17-3 Layer 2 protocol 17-8 tar files creating B-7 displaying the contents of B-7 extracting B-8 image file format B-26 TCL script, registering and defining with embedded event manager 34-7 TDR 1-16 Telnet accessing management interfaces 2-10 number of connections 1-7 setting a password 9-6 templates, SDM 8-1 temporary self-signed certificate 9-50 Terminal Access Controller Access Control System Plus See TACACS+ terminal lines, setting a password 9-6 TFTP configuration files downloading B-12 preparing the server B-11 uploading B-13 configuration files in base directory 3-8 configuring for autoconfiguration 3-7 image files deleting B-30 downloading B-28 preparing the server B-28 uploading B-30 limiting access by servers 33-17 TFTP server 1-6 threshold, traffic level 26-2 threshold monitoring, IP SLAs 43-6 time See NTP and system clock Time Domain Reflector See TDR time-range command 35-17 time ranges in ACLs 35-17 time stamps in log messages 32-8 time zones 7-12 TLVs defined 28-2 LLDP 28-2 LLDP-MED 28-2 Token Ring VLANs support for 13-5 VTP support 14-4 ToS 1-13 traceroute, Layer 2 and ARP 49-17 and CDP 49-17 broadcast traffic 49-16 described 49-16 IP addresses and subnets 49-17 MAC addresses and VLANs 49-17 multicast traffic 49-17 multiple devices on a port 49-17 unicast traffic 49-16 usage guidelines 49-17 traceroute command 49-18 See also IP traceroute tracked lists configuring 44-3 types 44-3 tracked objects by Boolean expression 44-4 by threshold percentage 44-6 by threshold weight 44-5 tracking interface line-protocol state 44-2 tracking IP routing state 44-2 tracking objects 44-1 tracking process 44-1 track state, tracking IP SLAs 44-9 traffic blocking flooded 26-8 fragmented 35-5 fragmented IPv6 36-2 unfragmented 35-5 traffic policing 1-13 traffic suppression 26-1 transmit hold-count see STP transparent mode, VTP 14-3 trap-door mechanism 3-2 traps configuring MAC address notification 7-22, 7-24, 7-25 configuring managers 33-12 defined 33-3 enabling 7-22, 7-24, 7-25, 33-12 notification types 33-12 overview 33-1, 33-4 troubleshooting connectivity problems 49-15, 49-16, 49-18 CPU utilization 49-28 detecting unidirectional links 29-1 displaying crash information 49-24 PIMv1 and PIMv2 interoperability problems 46-35 setting packet forwarding 49-22 SFP security and identification 49-14 show forward command 49-22 with CiscoWorks 33-4 with debug commands 49-20 with ping 49-15 with system message logging 32-1 with traceroute 49-18 trunk failover See link-state tracking trunking encapsulation 1-9 trunk ports configuring 13-18 defined 12-3, 13-3 encapsulation 13-18, 13-23, 13-25 trunks allowed-VLAN list 13-19 configuring 13-18, 13-23, 13-25 ISL 13-14 load sharing setting STP path costs 13-24 using STP port priorities 13-22, 13-23 native VLAN for untagged traffic 13-21 parallel 13-24 pruning-eligible list 13-20 to non-DTP device 13-15 trusted boundary for QoS 37-45 trusted port states between QoS domains 37-47 classification options 37-5 ensuring port security for IP phones 37-45 support for 1-13 within a QoS domain 37-43 trustpoints, CA 9-49 tunneling defined 17-1 IEEE 802.1Q 17-1 Layer 2 protocol 17-8 tunnel ports described 12-4, 17-1 IEEE 802.1Q, configuring 17-7 incompatibilities with other features 17-6 twisted-pair Ethernet, detecting unidirectional links 29-1 type of service See ToS U UDLD configuration guidelines 29-4 default configuration 29-4 disabling globally 29-5 on fiber-optic interfaces 29-5 per interface 29-6 echoing detection mechanism 29-3 enabling globally 29-5 per interface 29-6 Layer 2 protocol tunneling 17-10 link-detection mechanism 29-1 neighbor database 29-2 overview 29-1 resetting an interface 29-6 status, displaying 29-7 support for 1-8 UDP, configuring 40-16 UDP jitter, configuring 43-9 UDP jitter operation, IP SLAs 43-8 unauthorized ports with IEEE 802.1x 10-11 unicast MAC address filtering 1-6 and adding static addresses 7-28 and broadcast MAC addresses 7-28 and CPU packets 7-28 and multicast addresses 7-28 and router MAC addresses 7-28 configuration guidelines 7-28 described 7-28 unicast storm 26-1 unicast storm control command 26-4 unicast traffic, blocking 26-8 UniDirectional Link Detection protocol See UDLD universal software image cryptographic 1-1 feature set IP base 1-1 IP services 1-1 noncryptographic 1-1 UNIX syslog servers daemon configuration 32-12 facilities supported 32-14 message logging configuration 32-13 unrecognized Type-Length-Value (TLV) support 14-4 upgrading information See release notes upgrading software images See downloading UplinkFast described 20-3 disabling 20-16 enabling 20-15 support for 1-8 uploading configuration files preparing B-11, B-14, B-17 reasons for B-9 using FTP B-16 using RCP B-19 using TFTP B-13 image files preparing B-28, B-31, B-36 reasons for B-25 using FTP B-34 using RCP B-38 using TFTP B-30 User Datagram Protocol See UDP user EXEC mode 2-2 username-based authentication 9-6 V version-dependent transparent mode 14-4 version-mismatch (VM) mode automatic upgrades with auto-upgrade 5-12 described 5-11 displaying 5-12 manual upgrades with auto-advise 5-12 upgrades with auto-extract 5-12 virtual IP address cluster standby group 6-11 command switch 6-11 Virtual Private Network See VPN virtual router 42-1, 42-2 virtual switches and PAgP 38-6 vlan.dat file 13-4 VLAN 1 disabling on a trunk port 13-20 minimization 13-19 VLAN ACLs See VLAN maps vlan-assignment response, VMPS 13-26 VLAN configuration at bootup 13-7 saving 13-7 VLAN configuration mode 2-2 VLAN database and startup configuration file 13-7 and VTP 14-1 VLAN configuration saved in 13-6 VLANs saved in 13-4 vlan dot1q tag native command 17-5 VLAN filtering and SPAN 30-8 vlan global configuration command 13-6 VLAN ID, discovering 7-31 VLAN link state 12-5 VLAN load balancing on flex links configuration guidelines 21-8 described 21-2 VLAN management domain 14-2 VLAN Management Policy Server See VMPS VLAN map entries, order of 35-31 VLAN maps applying 35-35 common uses for 35-35 configuration guidelines 35-31 configuring 35-31 creating 35-32 defined 35-2 denying access to a server example 35-36 denying and permitting packets 35-33 displaying 35-42 examples of ACLs and VLAN maps 35-33 removing 35-35 support for 1-10 wiring closet configuration example 35-36 VLAN membership confirming 13-29 modes 13-3 VLAN Query Protocol See VQP VLANs adding 13-8 adding to VLAN database 13-8 aging dynamic addresses 18-9 allowed on trunk 13-19 and spanning-tree instances 13-3, 13-6, 13-11 configuration guidelines, extended-range VLANs 13-11 configuration guidelines, normal-range VLANs 13-5 configuring 13-1 configuring IDs 1006 to 4094 13-11 connecting through SVIs 12-11 customer numbering in service-provider networks 17-3 default configuration 13-7 deleting 13-9 described 12-2, 13-1 displaying 13-14 extended-range 13-1, 13-10 features 1-9 illustrated 13-2 internal 13-11 in the switch stack 13-6 limiting source traffic with RSPAN 30-22 limiting source traffic with SPAN 30-18 modifying 13-8 multicast 24-17 native, configuring 13-21 normal-range 13-1, 13-4 number supported 1-9 parameters 13-4 port membership modes 13-3 static-access ports 13-9 STP and IEEE 802.1Q trunks 18-11 supported 13-2 Token Ring 13-5 traffic between 13-2 VLAN-bridge STP 18-11, 48-2 VTP modes 14-3 VLAN Trunking Protocol See VTP VLAN trunks 13-14 VMPS administering 13-30 configuration example 13-31 configuration guidelines 13-27 default configuration 13-27 description 13-25 dynamic port membership described 13-26 reconfirming 13-29 troubleshooting 13-31 entering server address 13-28 mapping MAC addresses to VLANs 13-26 monitoring 13-30 reconfirmation interval, changing 13-29 reconfirming membership 13-29 retry count, changing 13-30 voice aware 802.1x security port-based authentication configuring 10-39 described 10-32, 10-39 voice-over-IP 15-1 voice VLAN Cisco 7960 phone, port connections 15-1 configuration guidelines 15-3 configuring IP phones for data traffic override CoS of incoming frame 15-6 trust CoS priority of incoming frame 15-6 configuring ports for voice traffic in IEEE 802.1p priority tagged frames 15-5 IEEE 802.1Q frames 15-5 connecting to an IP phone 15-4 default configuration 15-3 described 15-1 displaying 15-7 IP phone data traffic, described 15-2 IP phone voice traffic, described 15-2 VPN configuring routing in 40-84 forwarding 40-78 in service provider networks 40-75 routes 40-76 VPN routing and forwarding table See VRF VQP 1-9, 13-25 VRF defining 40-78 tables 40-75 VRF-aware services ARP 40-80 configuring 40-80 ftp 40-83 HSRP 40-81 ping 40-81 RADIUS 40-82 SNMP 40-81 syslog 40-82 tftp 40-83 traceroute 40-83 uRPF 40-82 VRFs, configuring multicast 40-84 VTP adding a client to a domain 14-16 advertisements 13-17, 14-4 and extended-range VLANs 13-2, 14-2 and normal-range VLANs 13-2, 14-2 client mode, configuring 14-13 configuration requirements 14-11 saving 14-9 configuration requirements 14-11 configuration revision number guideline 14-16 resetting 14-17 consistency checks 14-5 default configuration 14-8 described 14-1 domain names 14-9 domains 14-2 Layer 2 protocol tunneling 17-8 modes client 14-3 off 14-3 server 14-3 transitions 14-3 transparent 14-3 monitoring 14-17 passwords 14-9 pruning disabling 14-15 enabling 14-15 examples 14-7 overview 14-6 support for 1-9 pruning-eligible list, changing 13-20 server mode, configuring 14-11, 14-14 statistics 14-17 support for 1-9 Token Ring support 14-4 transparent mode, configuring 14-11 using 14-1 Version enabling 14-14 version, guidelines 14-10 Version 1 14-4 Version 2 configuration guidelines 14-10 overview 14-4 Version 3 overview 14-5 W WCCP authentication 45-3 configuration guidelines 45-5 default configuration 45-5 described 45-2 displaying 45-10 dynamic service groups 45-3 enabling 45-6 features unsupported 45-5 forwarding method 45-3 Layer-2 header rewrite 45-3 MD5 security 45-3 message exchange 45-2 monitoring and maintaining 45-10 negotiation 45-3 packet redirection 45-3 packet-return method 45-3 redirecting traffic received from a client 45-6 setting the password 45-7 unsupported WCCPv2 features 45-5 web authentication 10-16 configuring11-16to ?? described 1-9 web-based authentication customizeable web pages 11-6 description 11-1 web-based authentication, interactions with other features 11-7 Web Cache Communication Protocol See WCCP weighted tail drop See WTD weight thresholds in tracked lists 44-5 wired location service configuring 28-9 displaying 28-11 location TLV 28-3 understanding 28-3 wizards 1-3 WTD described 37-15 setting thresholds egress queue-sets 37-85 ingress queues 37-81 support for 1-13
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