Catalyst 3750-X and Catalyst 3560-X Switch Software Configuration Guide, Cisco IOS Release 15.0(2)EZ
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Index

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 15-7

802.1AE

standard 12-2

802.1AE Tagging 14-2

802.1x-REV 12-2

A

AAA down policy, NAC Layer 2 IP validation 1-13

abbreviating commands 2-3

ABRs 44-27

AC (command switch) 6-10

access control entries

See ACEs

access-denied response, VMPS 16-26

access groups

applying IPv4 ACLs to interfaces 39-22

Layer 3 39-22

access groups, applying IPv4 ACLs to interfaces 39-22

accessing

clusters, switch 6-13

command switches 6-11

member switches 6-13

switch clusters 6-13

accessing stack members 5-30

access lists

See ACLs

access ports

and Layer 2 protocol tunneling 20-12

defined 15-3

in switch clusters 6-9

access template 8-2

accounting

with 802.1x 11-53

with IEEE 802.1x 11-14

with RADIUS 10-34

with TACACS+ 10-11, 10-17

ACEs

and QoS 40-8

defined 39-2

Ethernet 39-2

IP 39-2

ACLs

ACEs 39-2

applying

on bridged packets 39-42

on multicast packets 39-43

on routed packets 39-43

on switched packets 39-41

time ranges to 39-18

to an interface 39-21, 41-7

to QoS 40-7

classifying traffic for QoS 40-49

comments in 39-20

compiling 39-24

defined 39-2, 39-8

examples of 39-24, 40-49

extended IP, configuring for QoS classification 40-50

extended IPv4

creating 39-11

matching criteria 39-8

hardware and software handling 39-23

IP

creating 39-8

fragments and QoS guidelines 40-39

implicit deny 39-11, 39-15, 39-18

implicit masks 39-11

matching criteria 39-8

undefined 39-23

IPv4

applying to interfaces 39-21

creating 39-8

matching criteria 39-8

named 39-16

numbers 39-9

terminal lines, setting on 39-20

unsupported features 39-7

IPv6

and stacking 41-3

applying to interfaces 41-7

configuring 41-4, 41-5

displaying 41-8

interactions with other features 41-4

limitations 41-3

matching criteria 41-3

named 41-3

precedence of 41-2

supported 41-2

unsupported features 41-3

Layer 4 information in 39-41

logging messages 39-9

MAC extended 39-29, 40-53

matching 39-8, 39-22

monitoring 39-44, 41-8

named

IPv4 39-16

IPv6 41-3

names 41-4

number per QoS class map 40-39

port 39-3, 41-2

precedence of 39-3

QoS 40-7, 40-49

resequencing entries 39-16

router 39-3, 41-2

router ACLs and VLAN map configuration guidelines 39-40

standard IP, configuring for QoS classification 40-49, 40-51

standard IPv4

creating 39-10

matching criteria 39-8

support for 1-11

support in hardware 39-23

time ranges 39-18

types supported 39-2

unsupported features

IPv4 39-7

IPv6 41-3

using router ACLs with VLAN maps 39-40

VLAN maps

configuration guidelines 39-33

configuring 39-32

active link 25-4, 25-5, 25-6

active links 25-2

active router 46-2

active traffic monitoring, IP SLAs 47-1

address aliasing 28-2

addresses

displaying the MAC address table 7-23

dynamic

accelerated aging 21-9

changing the aging time 7-14

default aging 21-9

defined 7-12

learning 7-13

removing 7-15

IPv6 45-2

MAC, discovering 7-24

multicast

group address range 51-3

STP address management 21-9

static

adding and removing 7-20

defined 7-12

address resolution 7-24, 44-10

Address Resolution Protocol

See ARP

adjacency tables, with CEF 44-92

administrative distances

defined 44-104

OSPF 44-35

routing protocol defaults 44-94

administrative VLAN

REP, configuring 24-8

administrative VLAN, REP 24-8

advertisements

CDP 30-1

LLDP 32-2

RIP 44-21

VTP 16-17, 17-3, 17-4

age timer, REP 24-8

aggregatable global unicast addresses 45-3

aggregate addresses, BGP 44-62

aggregated ports

See EtherChannel

aggregate policers 40-71

aggregate policing 1-15

aging, accelerating 21-9

aging time

accelerated

for MSTP 22-24

for STP 21-9, 21-24

MAC address table 7-14

maximum

for MSTP 22-24, 22-25

for STP 21-24, 21-25

alarms, RMON 35-3

allowed-VLAN list 16-19

application engines, redirecting traffic to 50-1

area border routers

See ABRs

area routing

IS-IS 44-67

ISO IGRP 44-67

ARP

configuring 44-11

defined 1-7, 7-24, 44-10

encapsulation 44-11

static cache configuration 44-11

table

address resolution 7-24

managing 7-24

ASBRs 44-27

AS-path filters, BGP 44-56

asymmetrical links, and IEEE 802.1Q tunneling 20-4

attributes, RADIUS

vendor-proprietary 10-36

vendor-specific 10-35

attribute-value pairs 11-20

authentication

EIGRP 44-43

HSRP 46-10

local mode with AAA 10-43

open1x 11-31

RADIUS

key 10-27

login 10-29

TACACS+

defined 10-11

key 10-13

login 10-14

See also port-based authentication

authentication failed VLAN

See restricted VLAN

authentication keys, and routing protocols 44-105

authentication manager

CLI commands 11-9

compatibility with older 802.1x CLI commands11-9to 11-10

overview 11-7

single session ID 11-35

authoritative time source, described 7-2

authorization

with RADIUS 10-33

with TACACS+ 10-11, 10-16

authorized ports with IEEE 802.1x 11-10

autoconfiguration 4-3

auto enablement 11-33

automatic advise (auto-advise) in switch stacks 5-13

automatic copy (auto-copy) in switch stacks 5-13

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 5-13

automatic QoS

See QoS

automatic recovery, clusters 6-10

See also HSRP

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

auto-MDIX

configuring 15-35

described 15-34

autonegotiation

duplex mode 1-4

interface configuration guidelines 15-32

mismatches 55-13

autonomous system boundary routers

See ASBRs

autonomous systems, in BGP 44-50

Auto-RP, described 51-7

autosensing, port speed 1-4

autostate exclude 15-6

auxiliary VLAN

See voice VLAN

availability, features 1-9

B

BackboneFast

described 23-7

disabling 23-17

enabling 23-16

support for 1-9

backup interfaces

See Flex Links

backup links 25-2

backup static routing, configuring 49-12

banners

configuring

login 7-12

message-of-the-day login 7-11

default configuration 7-10

when displayed 7-10

Berkeley r-tools replacement 10-54

BGP

aggregate addresses 44-62

aggregate routes, configuring 44-62

CIDR 44-62

clear commands 44-65

community filtering 44-59

configuring neighbors 44-60

default configuration 44-47

described 44-47

enabling 44-50

monitoring 44-65

multipath support 44-54

neighbors, types of 44-50

path selection 44-54

peers, configuring 44-60

prefix filtering 44-58

resetting sessions 44-52

route dampening 44-64

route maps 44-56

route reflectors 44-63

routing domain confederation 44-63

routing session with multi-VRF CE 44-86

show commands 44-65

supernets 44-62

support for 1-16

Version 4 44-47

binding cluster group and HSRP group 46-12

binding database

address, DHCP server

See DHCP, Cisco IOS server database

DHCP snooping

See DHCP snooping binding database

bindings

address, Cisco IOS DHCP server 26-6

DHCP snooping database 26-6

IP source guard 26-16

binding table, DHCP snooping

See DHCP snooping binding database

blocking packets 31-7

Boolean expressions in tracked lists 49-4

booting

boot loader, function of 4-2

boot process 4-2

manually 4-19

specific image 4-20

boot loader

accessing 4-21

described 4-2

environment variables 4-21

prompt 4-21

trap-door mechanism 4-2

Boot Loader Upgrade and Image Verification for the FIPS Mode of Operation 4-25

bootstrap router (BSR), described 51-7

Border Gateway Protocol

See BGP

BPDU

error-disabled state 23-2

filtering 23-3

RSTP format 22-12

BPDU filtering

described 23-3

disabling 23-15

enabling 23-14

support for 1-9

BPDU guard

described 23-2

disabling 23-14

enabling 23-13

support for 1-9

bridged packets, ACLs on 39-42

bridge groups

See fallback bridging

bridge protocol data unit

See BPDU

broadcast flooding 44-18

broadcast packets

directed 44-15

flooded 44-15

broadcast storm-control command 31-4

broadcast storms 31-1, 44-15

C

cables, monitoring for unidirectional links 33-1

candidate switch

automatic discovery 6-5

defined 6-4

requirements 6-4

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

CA trustpoint

configuring 10-51

defined 10-49

CDP

and trusted boundary 40-45

automatic discovery in switch clusters 6-5

configuring 30-2

default configuration 30-2

defined with LLDP 32-1

described 30-1

disabling for routing device 30-4

enabling and disabling

on an interface 30-4

on a switch 30-4

Layer 2 protocol tunneling 20-8

monitoring 30-5

overview 30-1

power negotiation extensions 15-8

support for 1-7

switch stack considerations 30-2

transmission timer and holdtime, setting 30-2

updates 30-2

CEF

defined 44-91

distributed 44-92

IPv6 45-30

CGMP

as IGMP snooping learning method 28-9

enabling server support 51-45

joining multicast group 28-3

overview 51-9

server support only 51-9

switch support of 1-5

CIDR 44-62

CipherSuites 10-50

Cisco 7960 IP Phone 18-1

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco intelligent power management 15-8

Cisco IOS DHCP server

See DHCP, Cisco IOS DHCP server

Cisco IOS File System

See IFS

Cisco IOS IP SLAs 47-2

Cisco Redundant Power System 2300

configuring 15-48

managing 15-48

Cisco Secure ACS

attribute-value pairs for downloadable ACLs 11-20

attribute-value pairs for redirect URL 11-20

Cisco StackWise Plus technology 1-3

See also stacks, switch

Cisco TrustSec

credentials 12-10

switch-to-switch security

802.1x mode 12-11

configuration example 12-14

manual mode 12-12

Cisco TrustSec Network Device Admission Control

See NDAC

CiscoWorks 2000 1-6, 37-4

CISP 11-33

CIST regional root

See MSTP

CIST root

See MSTP

civic location 32-3

classless interdomain routing

See CIDR

classless routing 44-8

class maps for QoS

configuring 40-54

described 40-8

class of service

See CoS

clearing interfaces 15-55

CLI

abbreviating commands 2-3

command modes 2-1

configuration logging 2-4

described 1-6

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 17-3

client processes, tracking 49-1

CLNS

See ISO CLNS

clock

See system clock

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 46-12

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 3-3

configuration service 3-2

described 3-1

event service 3-3

embedded agents

described 3-5

enabling automated configuration 3-6

enabling configuration agent 3-9

enabling event agent 3-8

management functions 1-6

CoA Request Commands 10-23

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 10-8

command switch

accessing 6-11

active (AC) 6-10

configuration conflicts 55-12

defined 6-2

passive (PC) 6-10

password privilege levels 6-17

priority 6-10

recovery

from command-switch failure 6-10, 55-9

from lost member connectivity 55-12

redundant 6-10

replacing

with another switch 55-11

with cluster member 55-9

requirements 6-3

standby (SC) 6-10

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

Common Criteria 1-11

common session ID

see single session ID 11-35

community list, BGP 44-59

community ports 19-2

community strings

configuring 6-14, 37-8

for cluster switches 37-4

in clusters 6-14

overview 37-4

SNMP 6-14

community VLANs 19-2, 19-3

compatibility, feature 31-12

compatibility, software

See stacks, switch

configurable leave timer, IGMP 28-6

configuration, initial

defaults 1-20

Express Setup 1-2

configuration conflicts, recovering from lost member connectivity 55-12

configuration examples, network 1-23

configuration files

archiving A-21

clearing the startup configuration A-20

creating and using, guidelines for A-10

creating using a text editor A-11

deleting a stored configuration A-20

described A-9

downloading

automatically 4-18

preparing A-11, A-14, A-17

reasons for A-9

using FTP A-14

using RCP A-18

using TFTP A-12

invalid combinations when copying A-6

limiting TFTP server access 37-17

obtaining with DHCP 4-9

password recovery disable considerations 10-5

replacing and rolling back, guidelines for A-22

replacing a running configuration A-20, A-21

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

specifying the filename 4-19

system contact and location information 37-16

types and location A-10

uploading

preparing A-11, A-14, A-17

reasons for A-9

using FTP A-16

using RCP A-19

using TFTP A-13

configuration guidelines

REP 24-7

configuration guidelines, multi-VRF CE 44-79

configuration logging 2-4

configuration replacement A-20

configuration rollback A-20, A-21

configuration settings, saving 4-16

configure terminal command 15-21

Configuring First Hop Security in IPv6 45-19

Configuring IPv6 Source Guard 45-22

configuring multicast VRFs 44-85

configuring port-based authentication violation modes11-43to 11-44

configuring small-frame arrival rate 31-5

Configuring VACL Logging 39-39

conflicts, configuration 55-12

connections, secure remote 10-44

connectivity problems 55-15, 55-16, 55-18

consistency checks in VTP Version 2 17-5

console port

RJ-45 15-16

USB 15-16

console port, connecting to 2-10

content-routing technology

See WCCP

control protocol, IP SLAs 47-4

convergence

REP 24-4

corrupted software, recovery steps with Xmodem 55-2

CoS

in Layer 2 frames 40-2

override priority 18-6

trust priority 18-6

CoS input queue threshold map for QoS 40-18

CoS output queue threshold map for QoS 40-21

CoS-to-DSCP map for QoS 40-73

counters, clearing interface 15-55

CPU utilization, troubleshooting 55-29

crashinfo file 55-24

critical authentication, IEEE 802.1x 11-63

critical VLAN 11-23

cross-stack EtherChannel

configuration guidelines 42-13

configuring

on Layer 2 interfaces 42-13

on Layer 3 physical interfaces 42-16

described 42-3

illustration 42-4

support for 1-9

cross-stack UplinkFast, STP

described 23-5

disabling 23-16

enabling 23-16

fast-convergence events 23-7

Fast Uplink Transition Protocol 23-6

normal-convergence events 23-7

support for 1-9

cryptographic software image

switch stack considerations 5-3, 5-18

customer edge devices 44-77

customizeable web pages, web-based authentication 13-6

CWDM SFPs 1-36

D

DACL

See downloadable ACL

daylight saving time 7-6

dCEF in the switch stack 44-91

debugging

enabling all system diagnostics 55-21

enabling for a specific feature 55-21

redirecting error message output 55-22

using commands 55-20

default commands 2-4

default configuration

802.1x 11-38

auto-QoS 40-24

banners 7-10

BGP 44-47

booting 4-18

CDP 30-2

DHCP 26-8

DHCP option 82 26-8

DHCP snooping 26-8

DHCP snooping binding database 26-9

DNS 7-9

dynamic ARP inspection 27-5

EIGRP 44-39

EtherChannel 42-11

Ethernet interfaces 15-30

fallback bridging 54-3

Flex Links 25-8

HSRP 46-5

IEEE 802.1Q tunneling 20-4

IGMP 51-39

IGMP filtering 28-24

IGMP snooping 28-7, 29-6

IGMP throttling 28-25

initial switch information 4-3

IP addressing, IP routing 44-6

IP multicast routing 51-11

IP SLAs 47-6

IP source guard 26-18

IPv6 45-16

IS-IS 44-68

Layer 2 interfaces 15-30

Layer 2 protocol tunneling 20-12

LLDP 32-5

MAC address table 7-14

MAC address-table move update 25-8

MSDP 53-4

MSTP 22-14

multi-VRF CE 44-79

MVR 28-20

optional spanning-tree configuration 23-12

OSPF 44-28

password and privilege level 10-2

PIM 51-11

private VLANs 19-6

RADIUS 10-27

REP 24-7

RIP 44-21

RMON 35-3

RSPAN 34-12

SDM template 8-5

SNMP 37-6

SPAN 34-12

SSL 10-51

standard QoS 40-37

STP 21-13

switch stacks 5-24

system message logging 36-4

system name and prompt 7-8

TACACS+ 10-13

UDLD 33-4

VLAN, Layer 2 Ethernet interfaces 16-17

VLANs 16-7

VMPS 16-27

voice VLAN 18-3

VTP 17-9

WCCP 50-5

default gateway 4-15, 44-13

default networks 44-95

default router preference

See DRP

default routes 44-95

default routing 44-3

default web-based authentication configuration

802.1X 13-9

deleting VLANs 16-9

denial-of-service attack 31-1

description command 15-39

designing your network, examples 1-23

desktop template 5-11

destination-IP address-based forwarding, EtherChannel 42-9

destination-MAC address forwarding, EtherChannel 42-9

detecting indirect link failures, STP 23-8

device discovery protocol 30-1, 32-1

device manager

benefits 1-2

described 1-3, 1-6

in-band management 1-8

device sensor

configuring 11-54

DHCP

Cisco IOS server database

configuring 26-14

default configuration 26-9

described 26-6

DHCP for IPv6

See DHCPv6

enabling

relay agent 26-11

server 26-10

DHCP-based autoconfiguration

client request message exchange 4-4

configuring

client side 4-4

DNS 4-8

relay device 4-8

server side 4-7

server-side 26-10

TFTP server 4-7

example 4-10

lease options

for IP address information 4-7

for receiving the configuration file 4-7

overview 4-3

relationship to BOOTP 4-4

relay support 1-7, 1-17

support for 1-7

DHCP-based autoconfiguration and image update

configuring4-11to 4-14

understanding4-5to 4-6

DHCP binding database

See DHCP snooping binding database

DHCP binding table

See DHCP snooping binding database

DHCP object tracking, configuring primary interface 49-11

DHCP option 82

circuit ID suboption 26-5

configuration guidelines 26-9

default configuration 26-8

displaying 26-16

forwarding address, specifying 26-11

helper address 26-11

overview 26-3

packet format, suboption

circuit ID 26-5

remote ID 26-5

remote ID suboption 26-5

DHCP server port-based address allocation

configuration guidelines 26-27

default configuration 26-27

described 26-26

displaying 26-29, 27-12

enabling 26-27

reserved addresses 26-28

DHCP snooping

accepting untrusted packets form edge switch 26-3, 26-13

and private VLANs 26-14

binding database

See DHCP snooping binding database

configuration guidelines 26-9

default configuration 26-8

message exchange process 26-4

option 82 data insertion 26-3

trusted interface 26-2

untrusted interface 26-2

untrusted messages 26-2

DHCP snooping binding database

adding bindings 26-15

binding file

format 26-7

location 26-6

bindings 26-6

clearing agent statistics 26-15

configuration guidelines 26-9

configuring 26-15

default configuration 26-8, 26-9

deleting

binding file 26-15

bindings 26-15

database agent 26-15

described 26-6

enabling 26-15

entry 26-6

renewing database 26-15

resetting

delay value 26-15

timeout value 26-15

DHCP snooping binding table

See DHCP snooping binding database

DHCPv6

configuration guidelines 45-27

default configuration 45-27

described 45-10

enabling client function 45-29

enabling DHCPv6 server function 45-27

diagnostic schedule command 56-2

Differentiated Services architecture, QoS 40-2

Differentiated Services Code Point 40-2

Diffusing Update Algorithm (DUAL) 44-37

directed unicast requests 1-7

directories

changing A-4

creating and removing A-5

displaying the working A-4

discovery, clusters

See automatic discovery

Distance Vector Multicast Routing Protocol

See DVMRP

distance-vector protocols 44-3

distribute-list command 44-104

DNS

and DHCP-based autoconfiguration 4-8

default configuration 7-9

displaying the configuration 7-10

in IPv6 45-4

overview 7-8

setting up 7-9

support for 1-7

DNS-based SSM mapping 51-18, 51-20

domain names

DNS 7-8

VTP 17-9

Domain Name System

See DNS

domains, ISO IGRP routing 44-67

dot1q-tunnel switchport mode 16-16

double-tagged packets

IEEE 802.1Q tunneling 20-2

Layer 2 protocol tunneling 20-11

downloadable ACL 11-18, 11-20, 11-71

downloading

configuration files

preparing A-11, A-14, A-17

reasons for A-9

using FTP A-14

using RCP A-18

using TFTP A-12

image files

deleting old image A-30

preparing A-28, A-31, A-36

reasons for A-25

using CMS 1-3

using FTP A-32

using HTTP 1-3, A-25

using RCP A-37

using TFTP A-28

using the device manager or Network Assistant A-25

drop threshold for Layer 2 protocol packets 20-12

DRP

configuring 45-24

described 45-9

IPv6 45-9

DSCP 1-15, 40-2

DSCP input queue threshold map for QoS 40-18

DSCP output queue threshold map for QoS 40-21

DSCP-to-CoS map for QoS 40-76

DSCP-to-DSCP-mutation map for QoS 40-77

DSCP transparency 40-46

DTP 1-10, 16-15

dual-action detection 42-6

DUAL finite state machine, EIGRP 44-38

dual IPv4 and IPv6 templates 8-3, 45-10

dual protocol stacks

IPv4 and IPv6 45-10

SDM templates supporting 45-10

DVMRP

autosummarization

configuring a summary address 51-59

disabling 51-61

connecting PIM domain to DVMRP router 51-51

enabling unicast routing 51-54

interoperability

with Cisco devices 51-49

with Cisco IOS software 51-9

mrinfo requests, responding to 51-54

neighbors

advertising the default route to 51-53

discovery with Probe messages 51-49

displaying information 51-54

prevent peering with nonpruning 51-57

rejecting nonpruning 51-55

overview 51-9

routes

adding a metric offset 51-62

advertising all 51-61

advertising the default route to neighbors 51-53

caching DVMRP routes learned in report messages 51-55

changing the threshold for syslog messages 51-58

favoring one over another 51-62

limiting the number injected into MBONE 51-58

limiting unicast route advertisements 51-49

routing table 51-9

source distribution tree, building 51-9

support for 1-17

tunnels

configuring 51-51

displaying neighbor information 51-54

dynamic access ports

characteristics 16-3

configuring 16-28

defined 15-3

dynamic addresses

See addresses

dynamic ARP inspection

ARP cache poisoning 27-1

ARP requests, described 27-1

ARP spoofing attack 27-1

clearing

log buffer 27-15

statistics 27-15

configuration guidelines 27-6

configuring

ACLs for non-DHCP environments 27-9

in DHCP environments 27-7

log buffer 27-13

rate limit for incoming ARP packets 27-4, 27-10

default configuration 27-5

denial-of-service attacks, preventing 27-10

described 27-1

DHCP snooping binding database 27-2

displaying

statistics 27-15

error-disabled state for exceeding rate limit 27-4

function of 27-2

interface trust states 27-3

log buffer

clearing 27-15

configuring 27-13

logging of dropped packets, described 27-5

man-in-the middle attack, described 27-2

network security issues and interface trust states 27-3

priority of ARP ACLs and DHCP snooping entries 27-4

rate limiting of ARP packets

configuring 27-10

described 27-4

error-disabled state 27-4

statistics

clearing 27-15

displaying 27-15

validation checks, performing 27-12

dynamic auto trunking mode 16-16

dynamic desirable trunking mode 16-16

Dynamic Host Configuration Protocol

See DHCP-based autoconfiguration

dynamic port VLAN membership

described 16-26

reconfirming 16-29

troubleshooting 16-31

types of connections 16-29

dynamic routing 44-3

ISO CLNS 44-66

Dynamic Trunking Protocol

See DTP

E

EAC 14-2

EBGP 44-46

editing features

enabling and disabling 2-6

keystrokes used 2-7

wrapped lines 2-8

EEM 3.2 38-5

EIGRP

authentication 44-43

components 44-38

configuring 44-41

default configuration 44-39

definition 44-37

interface parameters, configuring 44-42

monitoring 44-45

stub routing 44-44

support for 1-16

EIGRP IPv6 45-12

elections

See stack master

ELIN location 32-3

embedded event manager

3.2 38-5

actions 38-4

configuring 38-1, 38-6

displaying information 38-8

environmental variables 38-5

event detectors 38-3

policies 38-4

registering and defining an applet 38-6

registering and defining a TCL script 38-7

understanding 38-1

enable password 10-3

enable secret password 10-3

Enable the FIPS mode 4-25

encryption, CipherSuite 10-50

encryption for passwords 10-3

encryption keying 12-2

encryption keys, MKA 12-2

Endpoint Admission Control (EAC) 14-2

Enhanced IGRP

See EIGRP

enhanced object tracking

backup static routing 49-12

defined 49-1

DHCP primary interface 49-11

HSRP 49-7

IP routing state 49-2

IP SLAs 49-9

line-protocol state 49-2

network monitoring with IP SLAs 49-11

routing policy, configuring 49-12

static route primary interface 49-10

tracked lists 49-3

enhanced object tracking static routing 49-10

environmental variables, embedded event manager 38-5

environment variables, function of 4-22

equal-cost routing 1-16, 44-93

error-disabled state, BPDU 23-2

error messages during command entry 2-4

EtherChannel

automatic creation of 42-5, 42-7

channel groups

binding physical and logical interfaces 42-4

numbering of 42-4

configuration guidelines 42-12

configuring

Layer 2 interfaces 42-13

Layer 3 physical interfaces 42-16

Layer 3 port-channel logical interfaces 42-15

default configuration 42-11

described 42-2

displaying status 42-22

forwarding methods 42-8, 42-18

IEEE 802.3ad, described 42-7

interaction

with STP 42-12

with VLANs 42-12

LACP

described 42-7

displaying status 42-22

hot-standby ports 42-20

interaction with other features 42-8

modes 42-7

port priority 42-22

system priority 42-21

Layer 3 interface 44-5

load balancing 42-8, 42-18

logical interfaces, described 42-4

PAgP

aggregate-port learners 42-19

described 42-5

displaying status 42-22

interaction with other features 42-7

interaction with virtual switches 42-6

learn method and priority configuration 42-19

modes 42-6

support for 1-5

with dual-action detection 42-6

port-channel interfaces

described 42-4

numbering of 42-4

port groups 15-6

stack changes, effects of 42-10

support for 1-5

EtherChannel guard

described 23-10

disabling 23-17

enabling 23-17

Ethernet management port

active link 15-27

and routing 15-27

and routing protocols 15-27

and TFTP 15-29

configuring 15-29

connecting to 2-10

default setting 15-27

described 15-26

for network management 15-26

specifying 15-29

supported features 15-28

unsupported features 15-29

Ethernet management port, internal

and routing 15-27

and routing protocols 15-27

unsupported features 15-29

Ethernet VLANs

adding 16-8

defaults and ranges 16-7

modifying 16-8

EUI 45-4

event detectors, embedded event manager 38-3

events, RMON 35-3

examples

network configuration 1-23

expedite queue for QoS 40-89

Express Setup 1-2

See also getting started guide

extended crashinfo file 55-24

extended-range VLANs

configuration guidelines 16-11

configuring 16-10

creating 16-12

creating with an internal VLAN ID 16-13

defined 16-1

extended system ID

MSTP 22-18

STP 21-5, 21-17

extended universal identifier

See EUI

Extensible Authentication Protocol over LAN 11-2

external BGP

See EBGP

external neighbors, BGP 44-50

F

Fa0 port

See Ethernet management port

failover support 1-9

fallback bridging

and protected ports 54-4

bridge groups

creating 54-4

described 54-2

function of 54-2

number supported 54-4

removing 54-5

configuration guidelines 54-4

connecting interfaces with 15-15

default configuration 54-3

described 54-1

frame forwarding

flooding packets 54-2

forwarding packets 54-2

overview 54-1

protocol, unsupported 54-4

stack changes, effects of 54-3

STP

disabling on an interface 54-9

forward-delay interval 54-8

hello BPDU interval 54-8

interface priority 54-6

keepalive messages 21-2

maximum-idle interval 54-9

path cost 54-7

VLAN-bridge spanning-tree priority 54-6

VLAN-bridge STP 54-2

support for 1-16

SVIs and routed ports 54-1

unsupported protocols 54-4

VLAN-bridge STP 21-12

Fast Convergence 25-3

fastethernet0 port

See Ethernet management port

Fast Uplink Transition Protocol 23-6

features, incompatible 31-12

FIB 44-92

fiber-optic, detecting unidirectional links 33-1

files

basic crashinfo

description 55-25

location 55-25

copying A-5

crashinfo, description 55-24

deleting A-6

displaying the contents of A-8

extended crashinfo

description 55-25

location 55-25

tar

creating A-7

displaying the contents of A-7

extracting A-8

image file format A-26

file system

displaying available file systems A-2

displaying file information A-3

local file system names A-1

network file system names A-5

setting the default A-3

filtering

in a VLAN 39-32

IPv6 traffic 41-4, 41-7

non-IP traffic 39-29

show and more command output 2-9

filtering show and more command output 2-9

filters, IP

See ACLs, IP

FIPS 140-2 1-11

flash device, number of A-1

flexible authentication ordering

configuring 11-74

overview 11-31

Flexible NetFlow

components 48-1

configuring a flow monitor 48-6

configuring flow records 48-3

configuring the exported 48-3

configuring the exporter 48-5

interface configuration 48-7

purpose 48-1

sampling 48-9

unsupported features 48-2

Flex Link Multicast Fast Convergence 25-3

Flex Links

configuring 25-8, 25-9

configuring preferred VLAN 25-11

configuring VLAN load balancing 25-10

default configuration 25-8

description 25-1

link load balancing 25-2

monitoring 25-14

VLANs 25-2

flooded traffic, blocking 31-8

flow-based packet classification 1-15

flowcharts

QoS classification 40-7

QoS egress queueing and scheduling 40-19

QoS ingress queueing and scheduling 40-16

QoS policing and marking 40-11

flowcontrol

configuring 15-34

described 15-33

forward-delay time

MSTP 22-24

STP 21-24

Forwarding Information Base

See FIB

forwarding nonroutable protocols 54-1

FTP

configuration files

downloading A-14

overview A-13

preparing the server A-14

uploading A-16

image files

deleting old image A-34

downloading A-32

preparing the server A-31

uploading A-34

G

general query 25-5

Generating IGMP Reports 25-3

get-next-request operation 37-4

get-request operation 37-4

Gigabit modules

See SFPs

global leave, IGMP 28-13

guest VLAN and IEEE 802.1x 11-21

guide mode 1-3

GUIs

See device manager and Network Assistant

H

hardware limitations and Layer 3 interfaces 15-42

hello time

MSTP 22-23

STP 21-23

help, for the command line 2-3

hierarchical policy maps 40-9

configuration guidelines 40-40

configuring 40-63

described 40-12

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 36-10

host modes, MACsec 12-4

host names in clusters 6-13

host ports

configuring 19-11

kinds of 19-2

hosts, limit on dynamic ports 16-31

Hot Standby Router Protocol

See HSRP

HP OpenView 1-6

HSRP

authentication string 46-10

automatic cluster recovery 6-12

binding to cluster group 46-12

cluster standby group considerations 6-11

command-switch redundancy 1-1, 1-2, 1-9

configuring 46-5

default configuration 46-5

definition 46-1

guidelines 46-6

monitoring 46-13

object tracking 49-7

overview 46-1

priority 46-8

routing redundancy 1-16

support for ICMP redirect messages 46-12

switch stack considerations 46-5

timers 46-10

tracking 46-8

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

HSRP for IPv6

configuring 45-37

guidelines 45-36

HTTP(S) Over IPv6 45-13

HTTP over SSL

see HTTPS

HTTPS

configuring 10-52

described 10-48

self-signed certificate 10-49

HTTP secure server 10-48

I

IBPG 44-46

ICMP

IPv6 45-4

redirect messages 44-13

support for 1-17

time-exceeded messages 55-18

traceroute and 55-18

unreachable messages 39-22

unreachable messages and IPv6 41-4

unreachables and ACLs 39-23

ICMP Echo operation

configuring 47-11

IP SLAs 47-11

ICMP ping

executing 55-15

overview 55-15

ICMP Router Discovery Protocol

See IRDP

ICMPv6 45-4

IDS appliances

and ingress RSPAN 34-22

and ingress SPAN 34-15

IEEE 802.1D

See STP

IEEE 802.1p 18-1

IEEE 802.1Q

and trunk ports 15-4

configuration limitations 16-17

encapsulation 16-15

native VLAN for untagged traffic 16-21

tunneling

compatibility with other features 20-6

defaults 20-4

described 20-1

tunnel ports with other features 20-6

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 15-33

ifIndex values, SNMP 37-5

IFS 1-7

IGMP

configurable leave timer

described 28-6

enabling 28-11

configuring the switch

as a member of a group 51-39

statically connected member 51-44

controlling access to groups 51-40

default configuration 51-39

fast switching 51-44

flooded multicast traffic

controlling the length of time 28-12

disabling on an interface 28-13

global leave 28-13

query solicitation 28-13

recovering from flood mode 28-13

host-query interval, modifying 51-42

joining multicast group 28-3

join messages 28-3

leave processing, enabling 28-11, 29-9

leaving multicast group 28-5

multicast reachability 51-39

overview 51-3

queries 28-4

report suppression

described 28-6

disabling 28-16, 29-11

supported versions 28-3

support for 1-5

Version 1

changing to Version 2 51-41

described 51-3

Version 2

changing to Version 1 51-41

described 51-3

maximum query response time value 51-43

pruning groups 51-43

query timeout value 51-42

IGMP filtering

configuring 28-25

default configuration 28-24

described 28-24

support for 1-5

IGMP groups

configuring filtering 28-27

setting the maximum number 28-27

IGMP helper 51-6

IGMP Immediate Leave

configuration guidelines 28-11

described 28-6

enabling 28-11

IGMP profile

applying 28-26

configuration mode 28-25

configuring 28-25

IGMP snooping

and address aliasing 28-2

and stack changes 28-7

configuring 28-7

default configuration 28-7, 29-6

definition 28-2

enabling and disabling 28-8, 29-7

global configuration 28-8

Immediate Leave 28-6

in the switch stack 28-7

method 28-8

monitoring 28-16, 29-12

querier

configuration guidelines 28-14

configuring 28-14

supported versions 28-3

support for 1-5

VLAN configuration 28-8

IGMP throttling

configuring 28-27

default configuration 28-25

described 28-24

displaying action 28-29

IGP 44-27

Immediate Leave, IGMP

described 28-6

enabling 29-9

inaccessible authentication bypass

802.1x 11-23

support for multiauth ports 11-23

initial configuration

defaults 1-20

Express Setup 1-2

interface

number 15-20

range macros 15-24

interface command15-20to 15-21

interface configuration

REP 24-9

interfaces

auto-MDIX, configuring 15-34

configuring

procedure 15-21

counters, clearing 15-55

default configuration 15-30

described 15-39

descriptive name, adding 15-39

displaying information about 15-54

duplex and speed configuration guidelines 15-31

flow control 15-33

management 1-6

monitoring 15-53

naming 15-39

physical, identifying 15-20

range of 15-22

restarting 15-55, 15-56

shutting down 15-55

speed and duplex, configuring 15-32

status 15-53

supported 15-20

types of 15-1

interfaces range macro command 15-24

interface types 15-20

Interior Gateway Protocol

See IGP

internal BGP

See IBGP

internal neighbors, BGP 44-50

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 1-16, 44-2

Intrusion Detection System

See IDS appliances

inventory management TLV 32-3

IP ACLs

for QoS classification 40-7

implicit deny 39-11, 39-15

implicit masks 39-11

named 39-16

undefined 39-23

IP addresses

128-bit 45-2

candidate or member 6-4, 6-13

classes of 44-7

cluster access 6-2

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

default configuration 44-6

discovering 7-24

for IP routing 44-6

IPv6 45-2

MAC address association 44-10

monitoring 44-19

redundant clusters 6-11

standby command switch 6-11, 6-13

See also IP information

IP base feature set 1-1, 1-2

IP base software image 1-1

IP broadcast address 44-17

ip cef distributed command 44-92

IP directed broadcasts 44-15

ip igmp profile command 28-25

IP information

assigned

manually 4-15

through DHCP-based autoconfiguration 4-3

default configuration 4-3

IP multicast routing

addresses

all-hosts 51-3

all-multicast-routers 51-3

host group address range 51-3

administratively-scoped boundaries, described 51-47

and IGMP snooping 28-2

Auto-RP

adding to an existing sparse-mode cloud 51-26

benefits of 51-26

configuration guidelines 51-12

filtering incoming RP announcement messages 51-28

overview 51-7

preventing candidate RP spoofing 51-28

preventing join messages to false RPs 51-28

setting up in a new internetwork 51-26

using with BSR 51-34

bootstrap router

configuration guidelines 51-12

configuring candidate BSRs 51-32

configuring candidate RPs 51-33

defining the IP multicast boundary 51-31

defining the PIM domain border 51-30

overview 51-7

using with Auto-RP 51-34

Cisco implementation 51-2

configuring

basic multicast routing 51-12

IP multicast boundary 51-47

default configuration 51-11

enabling

PIM mode 51-13

group-to-RP mappings

Auto-RP 51-7

BSR 51-7

MBONE

described 51-46

enabling sdr listener support 51-46

limiting DVMRP routes advertised 51-58

limiting sdr cache entry lifetime 51-46

SAP packets for conference session announcement 51-46

Session Directory (sdr) tool, described 51-46

multicast forwarding, described 51-8

PIMv1 and PIMv2 interoperability 51-11

protocol interaction 51-2

reverse path check (RPF) 51-8

RP

assigning manually 51-24

configuring Auto-RP 51-26

configuring PIMv2 BSR 51-30

monitoring mapping information 51-35

using Auto-RP and BSR 51-34

stacking

stack master functions 51-10

stack member functions 51-10

statistics, displaying system and network 51-63

See also CGMP

See also DVMRP

See also IGMP

See also PIM

IP phones

and QoS 18-1

automatic classification and queueing 40-23

configuring 18-4

ensuring port security with QoS 40-45

trusted boundary for QoS 40-45

IP Port Security for Static Hosts

on a Layer 2 access port 26-20

on a PVLAN host port 26-24

IP precedence 40-2

IP-precedence-to-DSCP map for QoS 40-74

IP protocols

routing 1-16

IP routes, monitoring 44-106

IP routing

connecting interfaces with 15-15

disabling 44-20

enabling 44-20

IP Service Level Agreements

See IP SLAs

IP service levels, analyzing 47-1

IP services feature set 1-2

IP SLAs

benefits 47-2

configuration guidelines 47-6

configuring object tracking 49-9

Control Protocol 47-4

default configuration 47-6

definition 47-1

ICMP echo operation 47-11

measuring network performance 47-3

monitoring 47-13

multioperations scheduling 47-5

object tracking 49-9

operation 47-3

reachability tracking 49-9

responder

described 47-4

enabling 47-7

response time 47-4

scheduling 47-5

SNMP support 47-2

supported metrics 47-2

threshold monitoring 47-6

track object monitoring agent, configuring 49-11

track state 49-9

UDP jitter operation 47-8

IP source guard

and 802.1x 26-19

and DHCP snooping 26-16

and port security 26-19

and private VLANs 26-19

and routed ports 26-18

and TCAM entries 26-19

and trunk interfaces 26-18

and VRF 26-19

binding configuration

automatic 26-16

manual 26-16

binding table 26-16

configuration guidelines 26-18

default configuration 26-18

described 26-16

disabling 26-20

displaying

bindings 26-26

configuration 26-26

enabling 26-19, 26-21

filtering

source IP address 26-17

source IP and MAC address 26-17

source IP address filtering 26-17

source IP and MAC address filtering 26-17

static bindings

adding 26-19, 26-21

deleting 26-20

static hosts 26-21

IP traceroute

executing 55-18

overview 55-18

IP unicast routing

address resolution 44-10

administrative distances 44-94, 44-104

ARP 44-10

assigning IP addresses to Layer 3 interfaces 44-7

authentication keys 44-105

broadcast

address 44-17

flooding 44-18

packets 44-15

storms 44-15

classless routing 44-8

configuring static routes 44-94

default

addressing configuration 44-6

gateways 44-13

networks 44-95

routes 44-95

routing 44-3

directed broadcasts 44-15

disabling 44-20

dynamic routing 44-3

enabling 44-20

EtherChannel Layer 3 interface 44-5

IGP 44-27

inter-VLAN 44-2

IP addressing

classes 44-7

configuring 44-6

IPv6 45-3

IRDP 44-13

Layer 3 interfaces 44-5

MAC address and IP address 44-10

passive interfaces 44-103

protocols

distance-vector 44-3

dynamic 44-3

link-state 44-3

proxy ARP 44-10

redistribution 44-96

reverse address resolution 44-10

routed ports 44-5

static routing 44-3

steps to configure 44-5

subnet mask 44-7

subnet zero 44-8

supernet 44-8

UDP 44-16

unicast reverse path forwarding 1-17, 44-91

with SVIs 44-5

See also BGP

See also EIGRP

See also OSPF

See also RIP

IPv4 ACLs

applying to interfaces 39-21

extended, creating 39-11

named 39-16

standard, creating 39-10

IPv6

ACLs

displaying 41-8

limitations 41-3

matching criteria 41-3

port 41-2

precedence 41-2

router 41-2

supported 41-2

addresses 45-2

address formats 45-2

and switch stacks 45-15

applications 45-9

assigning address 45-17

autoconfiguration 45-9

CEFv6 45-30

default configuration 45-16

default router preference (DRP) 45-9

defined 45-1

Enhanced Interior Gateway Routing Protocol (EIGRP) IPv6 45-12

EIGRP IPv6 Commands 45-13

Router ID 45-12

feature limitations 45-14

features not supported 45-14

forwarding 45-17

ICMP 45-4

monitoring 45-39

neighbor discovery 45-4

OSPF 45-11

path MTU discovery 45-4

SDM templates 8-3, 29-1, 41-1

stack master functions 45-15

Stateless Autoconfiguration 45-9

supported features 45-3

switch limitations 45-14

understanding static routes 45-11

IPv6 traffic, filtering 41-4

IRDP

configuring 44-14

definition 44-13

support for 1-17

IS-IS

addresses 44-67

area routing 44-67

default configuration 44-68

monitoring 44-76

show commands 44-76

system routing 44-67

ISL

and IPv6 45-3

and trunk ports 15-4

encapsulation 1-10, 16-15

trunking with IEEE 802.1 tunneling 20-5

ISO CLNS

clear commands 44-76

dynamic routing protocols 44-66

monitoring 44-76

NETs 44-66

NSAPs 44-66

OSI standard 44-66

ISO IGRP

area routing 44-67

system routing 44-67

isolated port 19-2

isolated VLANs 19-2, 19-3

J

join messages, IGMP 28-3

K

KDC

described 10-39

See also Kerberos

keepalive messages 21-2

Kerberos

authenticating to

boundary switch 10-41

KDC 10-41

network services 10-42

configuration examples 10-39

configuring 10-42

credentials 10-39

described 10-39

KDC 10-39

operation 10-41

realm 10-40

server 10-41

support for 1-13

switch as trusted third party 10-39

terms 10-40

TGT 10-41

tickets 10-39

key distribution center

See KDC

L

l2protocol-tunnel command 20-14

LACP

Layer 2 protocol tunneling 20-10

See EtherChannel

Layer 2 frames, classification with CoS 40-2

Layer 2 interfaces, default configuration 15-30

Layer 2 protocol tunneling

configuring 20-11

configuring for EtherChannels 20-15

default configuration 20-12

defined 20-8

guidelines 20-13

Layer 2 traceroute

and ARP 55-17

and CDP 55-17

broadcast traffic 55-16

described 55-16

IP addresses and subnets 55-17

MAC addresses and VLANs 55-17

multicast traffic 55-17

multiple devices on a port 55-17

unicast traffic 55-16

usage guidelines 55-17

Layer 3 features 1-16

Layer 3 interfaces

assigning IP addresses to 44-7

assigning IPv4 and IPv6 addresses to 45-25

assigning IPv6 addresses to 45-17

changing from Layer 2 mode 44-82

types of 44-5

Layer 3 packets, classification methods 40-2

LDAP 3-2

Leaking IGMP Reports 25-4

LEDs, switch

See hardware installation guide

Lightweight Directory Access Protocol

See LDAP

Link Aggregation Control Protocol

See EtherChannel

Link Failure, detecting unidirectional 22-7

link integrity, verifying with REP 24-3

Link Layer Discovery Protocol

See CDP

link local unicast addresses 45-4

link redundancy

See Flex Links

links, unidirectional 33-1

link state advertisements (LSAs) 44-33

link-state protocols 44-3

link-state tracking

configuring 42-25

described 42-23

LLDP

configuring 32-5

characteristics 32-6

default configuration 32-5

enabling 32-6

monitoring and maintaining 32-11

overview 32-1

supported TLVs 32-2

switch stack considerations 32-2

transmission timer and holdtime, setting 32-6

LLDP-MED

configuring

procedures 32-5

TLVs 32-7

monitoring and maintaining 32-11

overview 32-1, 32-2

supported TLVs 32-2

LLDP Media Endpoint Discovery

See LLDP-MED

load balancing 46-4

local SPAN 34-2

location TLV 32-3

logging messages, ACL 39-9

login authentication

with RADIUS 10-29

with TACACS+ 10-14

login banners 7-10

log messages

See system message logging

Long-Reach Ethernet (LRE) technology 1-35

loop guard

described 23-11

enabling 23-18

support for 1-9

LRE profiles, considerations in switch clusters 6-16

M

MAC/PHY configuration status TLV 32-2

MAC addresses

aging time 7-14

and VLAN association 7-13

building the address table 7-13

default configuration 7-14

disabling learning on a VLAN 7-23

discovering 7-24

displaying 7-23

displaying in the IP source binding table 26-26

dynamic

learning 7-13

removing 7-15

in ACLs 39-29

IP address association 44-10

static

adding 7-20

allowing 7-22, 7-23

characteristics of 7-20

dropping 7-21

removing 7-20

MAC address learning 1-7

MAC address learning, disabling on a VLAN 7-23

MAC address notification, support for 1-18

MAC address-table move update

configuration guidelines 25-8

configuring 25-12

default configuration 25-8

description 25-6

monitoring 25-14

MAC address-to-VLAN mapping 16-26

MAC authentication bypass 11-15

MAC extended access lists

applying to Layer 2 interfaces 39-31

configuring for QoS 40-53

creating 39-29

defined 39-29

for QoS classification 40-5

MACSec 14-2

802.1AE Tagging 12-9

MACsec 12-2

and stacking 12-3

configuring on an interface 12-7

defined 12-1, 12-2

switch-to-switch security 12-1

MACsec Key Agreement Protocol

See MKA

magic packet 11-28

manageability features 1-7

management access

in-band

browser session 1-8

CLI session 1-8

device manager 1-8

SNMP 1-8

out-of-band console port connection 1-8

management address TLV 32-2

management options

CLI 2-1

clustering 1-4

CNS 3-1

Network Assistant 1-3

overview 1-6

switch stacks 1-3

management VLAN

considerations in switch clusters 6-7

discovery through different management VLANs 6-7

manual preemption, REP, configuring 24-13

mapping tables for QoS

configuring

CoS-to-DSCP 40-73

DSCP 40-73

DSCP-to-CoS 40-76

DSCP-to-DSCP-mutation 40-77

IP-precedence-to-DSCP 40-74

policed-DSCP 40-75

described 40-13

marking

action in policy map 40-58

action with aggregate policers 40-71

described 40-4, 40-9

matching IPv4 ACLs 39-8

maximum aging time

MSTP 22-24

STP 21-24

maximum hop count, MSTP 22-25

maximum number of allowed devices, port-based authentication 11-41

maximum-paths command 44-54, 44-93

MDA

configuration guidelines11-31to 11-32

described 1-12, 11-31

exceptions with authentication process 11-4

Media Access Control Security

See MACsec

membership mode, VLAN port 16-3

member switch

automatic discovery 6-5

defined 6-2

managing 6-16

passwords 6-13

recovering from lost connectivity 55-12

requirements 6-4

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

messages, to users through banners 7-10

metrics, in BGP 44-54

metric translations, between routing protocols 44-99

metro tags 20-2

MHSRP 46-4

MIBs

overview 37-1

SNMP interaction with 37-4

mini-point-of-presence

See POP

mini-type USB console port 15-16

mirroring traffic for analysis 34-1

mismatches, autonegotiation 55-13

MKA

configuring policies 12-6

defined 12-2

policies 12-2

replay protection 12-3

statistics 12-5

virtual ports 12-3

module number 15-20

monitoring

access groups 39-44

BGP 44-65

cables for unidirectional links 33-1

CDP 30-5

CEF 44-92

EIGRP 44-45

fallback bridging 54-10

features 1-18

Flex Links 25-14

HSRP 46-13

IEEE 802.1Q tunneling 20-19

IGMP

snooping 28-16, 29-12

interfaces 15-53

IP

address tables 44-19

multicast routing 51-63

routes 44-106

IP SLAs operations 47-13

IPv4 ACL configuration 39-44

IPv6 45-39

IPv6 ACL configuration 41-8

IS-IS 44-76

ISO CLNS 44-76

Layer 2 protocol tunneling 20-19

MAC address-table move update 25-14

MSDP peers 53-19

multicast router interfaces 28-17

multi-VRF CE 44-90

network traffic for analysis with probe 34-2

object tracking 49-12

OSPF 44-37

private VLANs 19-15

REP 24-14

RP mapping information 51-35

SFP status 55-14

source-active messages 53-19

speed and duplex mode 15-33

SSM mapping 51-22

traffic flowing among switches 35-1

traffic suppression 31-21

tunneling 20-19

VLAN

filters 39-45

maps 39-45

VLANs 16-14

VMPS 16-30

VTP 17-18

mrouter Port 25-3

mrouter port 25-5

MSDP

benefits of 53-3

clearing MSDP connections and statistics 53-19

controlling source information

forwarded by switch 53-12

originated by switch 53-8

received by switch 53-14

default configuration 53-4

dense-mode regions

sending SA messages to 53-17

specifying the originating address 53-18

filtering

incoming SA messages 53-14

SA messages to a peer 53-12

SA requests from a peer 53-11

join latency, defined 53-6

meshed groups

configuring 53-16

defined 53-16

originating address, changing 53-18

overview 53-1

peer-RPF flooding 53-2

peers

configuring a default 53-4

monitoring 53-19

peering relationship, overview 53-1

requesting source information from 53-8

shutting down 53-16

source-active messages

caching 53-6

defined 53-2

filtering from a peer 53-11

filtering incoming 53-14

filtering to a peer 53-12

limiting data with TTL 53-14

restricting advertised sources 53-9

support for 1-17

MSTP

boundary ports

configuration guidelines 22-16

described 22-6

BPDU filtering

described 23-3

enabling 23-14

BPDU guard

described 23-2

enabling 23-13

CIST, described 22-3

CIST regional root 22-3

CIST root 22-5

configuration guidelines 22-15, 23-12

configuring

forward-delay time 22-24

hello time 22-23

link type for rapid convergence 22-25

maximum aging time 22-24

maximum hop count 22-25

MST region 22-16

neighbor type 22-26

path cost 22-21

port priority 22-20

root switch 22-18

secondary root switch 22-19

switch priority 22-22

CST

defined 22-3

operations between regions 22-3

default configuration 22-14

default optional feature configuration 23-12

displaying status 22-27

enabling the mode 22-16

EtherChannel guard

described 23-10

enabling 23-17

extended system ID

effects on root switch 22-18

effects on secondary root switch 22-19

unexpected behavior 22-18

IEEE 802.1s

implementation 22-6

port role naming change 22-6

terminology 22-5

instances supported 21-10

interface state, blocking to forwarding 23-2

interoperability and compatibility among modes 21-11

interoperability with IEEE 802.1D

described 22-8

restarting migration process 22-26

IST

defined 22-2

master 22-3

operations within a region 22-3

loop guard

described 23-11

enabling 23-18

mapping VLANs to MST instance 22-17

MST region

CIST 22-3

configuring 22-16

described 22-2

hop-count mechanism 22-5

IST 22-2

supported spanning-tree instances 22-2

optional features supported 1-9

overview 22-2

Port Fast

described 23-2

enabling 23-12

preventing root switch selection 23-10

root guard

described 23-10

enabling 23-18

root switch

configuring 22-18

effects of extended system ID 22-18

unexpected behavior 22-18

shutdown Port Fast-enabled port 23-2

stack changes, effects of 22-8

status, displaying 22-27

MTU

system 15-45

system jumbo 15-44

system routing 15-44

multiauth

support for inaccessible authentication bypass 11-23

multiauth mode

See multiple-authentication mode

multicast groups

Immediate Leave 28-6

joining 28-3

leaving 28-5

static joins 28-10, 29-8

multicast packets

ACLs on 39-43

blocking 31-8

multicast router interfaces, monitoring 28-17

multicast router ports, adding 28-9, 29-8

Multicast Source Discovery Protocol

See MSDP

multicast storm 31-1

multicast storm-control command 31-4

multicast television application 28-18

multicast VLAN 28-17

Multicast VLAN Registration

See MVR

multidomain authentication

See MDA

multioperations scheduling, IP SLAs 47-5

multiple authentication 11-12

Multiple HSRP

See MHSRP

multiple VPN routing/forwarding in customer edge devices

See multi-VRF CE

multi-VRF CE

configuration example 44-87

configuration guidelines 44-79

configuring 44-79

default configuration 44-79

defined 44-76

displaying 44-90

monitoring 44-90

network components 44-79

packet-forwarding process 44-78

support for 1-16

MVR

and address aliasing 28-20

and IGMPv3 28-21

configuring interfaces 28-22

default configuration 28-20

described 28-17

example application 28-18

in the switch stack 28-20

modes 28-21

multicast television application 28-18

setting global parameters 28-21

support for 1-5

N

NAC

AAA down policy 1-13

critical authentication 11-23, 11-63

IEEE 802.1x authentication using a RADIUS server 11-68

IEEE 802.1x validation using RADIUS server 11-68

inaccessible authentication bypass 1-13, 11-63

Layer 2 IEEE 802.1x validation 1-13, 11-68

Layer 2 IP validation 1-13

named IPv4 ACLs 39-16

named IPv6 ACLs 41-3

NameSpace Mapper

See NSM

native VLAN

and IEEE 802.1Q tunneling 20-4

configuring 16-21

default 16-21

NDAC 12-9, 14-2

defined 12-9

MACsec 12-1

NEAT

configuring 11-69

overview 11-33

neighbor discovery, IPv6 45-4

neighbor discovery/recovery, EIGRP 44-38

neighbor offset numbers, REP 24-4

neighbors, BGP 44-60

Network Admission Control

See NAC

Network Assistant

benefits 1-2

described 1-6

downloading image files 1-3

guide mode 1-3

management options 1-3

managing switch stacks 5-3, 5-17

upgrading a switch A-25

wizards 1-3

network configuration examples

cost-effective wiring closet 1-25

high-performance wiring closet 1-26

increasing network performance 1-23

large network 1-32

long-distance, high-bandwidth transport 1-36

multidwelling network 1-35

providing network services 1-24

redundant Gigabit backbone 1-28

server aggregation and Linux server cluster 1-28

small to medium-sized network 1-30

network design

performance 1-24

services 1-24

Network Device Admission Control (NDAC) 12-9, 14-2

Network Edge Access Topology

See NEAT

network management

CDP 30-1

RMON 35-1

SNMP 37-1

network performance, measuring with IP SLAs 47-3

network policy TLV 32-2

Network Time Protocol

See NTP

no commands 2-4

nonhierarchical policy maps

configuration guidelines 40-40

configuring 40-58

described 40-10

non-IP traffic filtering 39-29

nontrunking mode 16-16

normal-range VLANs 16-4

configuration guidelines 16-5

configuring 16-4

defined 16-1

no switchport command 15-5

not-so-stubby areas

See NSSA

NSAPs, as ISO IGRP addresses 44-67

NSF Awareness

IS-IS 44-69

NSM 3-3

NSSA, OSPF 44-33

NTP

associations

defined 7-2

overview 7-2

stratum 7-2

support for 1-7

time

services 7-2

synchronizing 7-2

O

OBFL

configuring 55-27

described 55-27

displaying 55-28

object tracking

HSRP 49-7

IP SLAs 49-9

IP SLAs, configuring 49-9

monitoring 49-12

offline configuration for switch stacks 5-8

off mode, VTP 17-4

on-board failure logging

See OBFL

online diagnostics

described 56-1

overview 56-1

running tests 56-4

open1x

configuring 11-74

open1x authentication

overview 11-31

Open Shortest Path First

See OSPF

optimizing system resources 8-1

options, management 1-6

OSPF

area parameters, configuring 44-33

configuring 44-31

default configuration

metrics 44-34

route 44-34

settings 44-28

described 44-27

for IPv6 45-11

interface parameters, configuring 44-32

LSA group pacing 44-36

monitoring 44-37

router IDs 44-36

route summarization 44-34

support for 1-16

virtual links 44-34

out-of-profile markdown 1-15

P

packet modification, with QoS 40-22

PAgP

Layer 2 protocol tunneling 20-10

See EtherChannel

parallel paths, in routing tables 44-93

passive interfaces

configuring 44-103

OSPF 44-35

passwords

default configuration 10-2

disabling recovery of 10-5

encrypting 10-3

for security 1-11

in clusters 6-14

overview 10-1

recovery of 55-3

setting

enable 10-3

enable secret 10-3

Telnet 10-6

with usernames 10-6

VTP domain 17-10

path cost

MSTP 22-21

STP 21-21

path MTU discovery 45-4

payload encryption 1-1

PBR

defined 44-99

enabling 44-101

fast-switched policy-based routing 44-102

local policy-based routing 44-102

PC (passive command switch) 6-10

peers, BGP 44-60

percentage thresholds in tracked lists 49-6

performance, network design 1-23

performance features 1-4

persistent self-signed certificate 10-49

per-user ACLs and Filter-Ids 11-8

per-VLAN spanning-tree plus

See PVST+

PE to CE routing, configuring 44-86

physical ports 15-3

PIM

default configuration 51-11

dense mode

overview 51-4

rendezvous point (RP), described 51-5

RPF lookups 51-9

enabling a mode 51-13

overview 51-4

router-query message interval, modifying 51-38

shared tree and source tree, overview 51-35

shortest path tree, delaying the use of 51-37

sparse mode

join messages and shared tree 51-5

overview 51-5

prune messages 51-5

RPF lookups 51-9

stub routing

configuration guidelines 51-22

enabling 51-23

overview 51-5

support for 1-17

versions

interoperability 51-11

troubleshooting interoperability problems 51-35

v2 improvements 51-4

PIM-DVMRP, as snooping method 28-9

ping

character output description 55-16

executing 55-15

overview 55-15

PoE

auto mode 15-10

CDP with power consumption, described 15-8

CDP with power negotiation, described 15-8

Cisco intelligent power management 15-8

configuring 15-35

devices supported 15-7

high-power devices operating in low-power mode 15-8

IEEE power classification levels 15-9

monitoring 15-11

monitoring power 15-38

policing power consumption 15-38

policing power usage 15-11

power budgeting 15-37

power consumption 15-37

powered-device detection and initial power allocation 15-8

power management modes 15-10

power negotiation extensions to CDP 15-8

standards supported 15-8

static mode 15-10

troubleshooting 55-13

policed-DSCP map for QoS 40-75

policers

configuring

for each matched traffic class 40-58

for more than one traffic class 40-71

described 40-4

number of 40-41

types of 40-10

policing

described 40-4

hierarchical

See hierarchical policy maps

token-bucket algorithm 40-10

policy-based routing

See PBR

policy maps for QoS

characteristics of 40-59

described 40-8

hierarchical 40-9

hierarchical on SVIs

configuration guidelines 40-40

configuring 40-63

described 40-12

nonhierarchical on physical ports

configuration guidelines 40-40

configuring 40-58

described 40-10

POP 1-35

port ACLs

defined 39-3

types of 39-4

Port Aggregation Protocol

See EtherChannel

port-based authentication

accounting 11-14

authentication server

defined 11-3, 13-2

RADIUS server 11-3

client, defined 11-3, 13-2

configuration guidelines 11-39, 13-9

configuring

802.1x authentication 11-44

guest VLAN 11-60

host mode 11-47

inaccessible authentication bypass 11-63

manual re-authentication of a client 11-49

periodic re-authentication 11-48

quiet period 11-49

RADIUS server 11-47, 13-13

RADIUS server parameters on the switch 11-46, 13-11

restricted VLAN 11-62

switch-to-client frame-retransmission number 11-50, 11-51

switch-to-client retransmission time 11-50

violation modes11-43to 11-44

default configuration 11-38, 13-9

described 11-1

device roles 11-3, 13-2

displaying statistics 11-76, 13-17

downloadable ACLs and redirect URLs

configuring11-71to11-73, ??to 11-73

overview11-18to 11-20

EAPOL-start frame 11-6

EAP-request/identity frame 11-6

EAP-response/identity frame 11-6

enabling

802.1X authentication 13-11

encapsulation 11-3

flexible authentication ordering

configuring 11-74

overview 11-31

guest VLAN

configuration guidelines 11-21, 11-22

described 11-21

host mode 11-12

inaccessible authentication bypass

configuring 11-63

described 11-23

guidelines 11-40

initiation and message exchange 11-6

magic packet 11-28

maximum number of allowed devices per port 11-41

method lists 11-44

multiple authentication 11-12

multiple-hosts mode, described 11-12

per-user ACLs

AAA authorization 11-44

configuration tasks 11-18

described 11-17

RADIUS server attributes 11-17

ports

authorization state and dot1x port-control command 11-11

authorized and unauthorized 11-10

voice VLAN 11-28

port security

described 11-28

readiness check

configuring 11-41

described 11-15, 11-41

resetting to default values 11-76

stack changes, effects of 11-11

statistics, displaying 11-76

switch

as proxy 11-3, 13-2

RADIUS client 11-3

switch supplicant

configuring 11-69

overview 11-33

user distribution

guidelines 11-27

overview 11-27

VLAN assignment

AAA authorization 11-44

characteristics 11-16

configuration tasks 11-17

described 11-16

voice aware 802.1x security

configuring 11-42

described 11-34, 11-42

voice VLAN

described 11-28

PVID 11-28

VVID 11-28

wake-on-LAN, described 11-28

port-based authentication methods, supported 11-8

port blocking 1-5, 31-7

port-channel

See EtherChannel

port description TLV 32-2

Port Fast

described 23-2

enabling 23-12

mode, spanning tree 16-27

support for 1-9

port membership modes, VLAN 16-3

port priority

MSTP 22-20

STP 21-19

ports

10-Gigabit Ethernet 15-7

access 15-3

blocking 31-7

dynamic access 16-3

protected 31-6

REP 24-6

routed 15-4

secure 31-9

static-access 16-3, 16-9

switch 15-3

trunks 16-3, 16-14

VLAN assignments 16-9

port security

aging 31-17

and other features 31-11

and private VLANs 31-18

and QoS trusted boundary 40-45

and stacking 31-18

configuration guidelines 31-11

configuring 31-13

default configuration 31-11

described 31-8

on trunk ports 31-14

sticky learning 31-9

violations 31-10

port-shutdown response, VMPS 16-26

port VLAN ID TLV 32-2

power inline consumption command 15-14

power management TLV 32-3

Power over Ethernet

See PoE

power supply

configuring 15-48

managing 15-48

preempt delay time, REP 24-5

preemption, default configuration 25-8

preemption delay, default configuration 25-8

preferential treatment of traffic

See QoS

prefix lists, BGP 44-58

preventing unauthorized access 10-1

primary edge port, REP 24-4

primary interface for object tracking, DHCP, configuring 49-11

primary interface for static routing, configuring 49-10

primary links 25-2

primary VLANs 19-1, 19-3

priority

HSRP 46-8

overriding CoS 18-6

trusting CoS 18-6

private VLAN edge ports

See protected ports

private VLANs

across multiple switches 19-4

and SDM template 19-4

and SVIs 19-5

and switch stacks 19-5

benefits of 19-1

community ports 19-2

community VLANs 19-2, 19-3

configuration guidelines 19-7, 19-8

configuration tasks 19-6

configuring 19-10

default configuration 19-6

end station access to 19-3

IP addressing 19-3

isolated port 19-2

isolated VLANs 19-2, 19-3

mapping 19-13

monitoring 19-15

ports

community 19-2

configuration guidelines 19-8

configuring host ports 19-11

configuring promiscuous ports 19-13

isolated 19-2

promiscuous 19-2

primary VLANs 19-1, 19-3

promiscuous ports 19-2

secondary VLANs 19-2

subdomains 19-1

traffic in 19-5

privilege levels

changing the default for lines 10-9

command switch 6-17

exiting 10-9

logging into 10-9

mapping on member switches 6-17

overview 10-2, 10-7

setting a command with 10-8

promiscuous ports

configuring 19-13

defined 19-2

protected ports 1-11, 31-6

protocol-dependent modules, EIGRP 44-38

Protocol-Independent Multicast Protocol

See PIM

protocol storm protection 31-19

provider edge devices 44-77

provisioning new members for a switch stack 5-8

proxy ARP

configuring 44-12

definition 44-10

with IP routing disabled 44-13

proxy reports 25-3

pruning, VTP

disabling

in VTP domain 17-16

on a port 16-21

enabling

in VTP domain 17-16

on a port 16-20

examples 17-7

overview 17-6

pruning-eligible list

changing 16-20

for VTP pruning 17-6

VLANs 17-16

PVST+

described 21-9

IEEE 802.1Q trunking interoperability 21-12

instances supported 21-10

Q

QoS

and MQC commands 40-1

auto-QoS

categorizing traffic 40-24

configuration and defaults display 40-36

configuration guidelines 40-33

described 40-23

disabling 40-35

displaying generated commands 40-35

displaying the initial configuration 40-36

effects on running configuration 40-33

egress queue defaults 40-25

list of generated commands 40-26

basic model 40-4

classification

class maps, described 40-8

defined 40-4

DSCP transparency, described 40-46

flowchart 40-7

forwarding treatment 40-3

in frames and packets 40-3

IP ACLs, described 40-7, 40-8

MAC ACLs, described 40-5, 40-8

options for IP traffic 40-6

options for non-IP traffic 40-5

policy maps, described 40-8

trust DSCP, described 40-5

trusted CoS, described 40-5

trust IP precedence, described 40-5

class maps

configuring 40-54

configuration guidelines

auto-QoS 40-33

standard QoS 40-39

configuring

aggregate policers 40-71

auto-QoS 40-23

default port CoS value 40-44

DSCP maps 40-73

DSCP transparency 40-46

DSCP trust states bordering another domain 40-47

egress queue characteristics 40-83

ingress queue characteristics 40-79

IP extended ACLs 40-50

IP standard ACLs 40-49

MAC ACLs 40-53

policy maps, hierarchical 40-63

policy maps on physical ports 40-58

port trust states within the domain 40-43

trusted boundary 40-45

default auto configuration 40-24

default standard configuration 40-37

DSCP transparency 40-46

egress queues

allocating buffer space 40-84

buffer allocation scheme, described 40-20

configuring shaped weights for SRR 40-88

configuring shared weights for SRR 40-89

described 40-4

displaying the threshold map 40-87

flowchart 40-19

mapping DSCP or CoS values 40-86

scheduling, described 40-4

setting WTD thresholds 40-84

WTD, described 40-22

enabling globally 40-42

flowcharts

classification 40-7

egress queueing and scheduling 40-19

ingress queueing and scheduling 40-16

policing and marking 40-11

implicit deny 40-8

ingress queues

allocating bandwidth 40-81

allocating buffer space 40-81

buffer and bandwidth allocation, described 40-18

configuring shared weights for SRR 40-81

configuring the priority queue 40-82

described 40-4

displaying the threshold map 40-80

flowchart 40-16

mapping DSCP or CoS values 40-80

priority queue, described 40-18

scheduling, described 40-4

setting WTD thresholds 40-80

WTD, described 40-18

IP phones

automatic classification and queueing 40-23

detection and trusted settings 40-23, 40-45

limiting bandwidth on egress interface 40-90

mapping tables

CoS-to-DSCP 40-73

DSCP-to-CoS 40-76

DSCP-to-DSCP-mutation 40-77

IP-precedence-to-DSCP 40-74

policed-DSCP 40-75

types of 40-13

marked-down actions 40-61

marking, described 40-4, 40-9

overview 40-2

packet modification 40-22

policers

configuring 40-61, 40-71

described 40-9

number of 40-41

types of 40-10

policies, attaching to an interface 40-9

policing

described 40-4, 40-9

token bucket algorithm 40-10

policy maps

characteristics of 40-59

hierarchical 40-9

hierarchical on SVIs 40-63

nonhierarchical on physical ports 40-58

QoS label, defined 40-4

queues

configuring egress characteristics 40-83

configuring ingress characteristics 40-79

high priority (expedite) 40-22, 40-89

location of 40-14

SRR, described 40-15

WTD, described 40-15

rewrites 40-22

support for 1-15

trust states

bordering another domain 40-47

described 40-5

trusted device 40-45

within the domain 40-43

quality of service

See QoS

queries, IGMP 28-4

query solicitation, IGMP 28-13

R

RADIUS

attributes

vendor-proprietary 10-36

vendor-specific 10-35

configuring

accounting 10-34

authentication 10-29

authorization 10-33

communication, global 10-27, 10-35

communication, per-server 10-27

multiple UDP ports 10-27

default configuration 10-27

defining AAA server groups 10-31

displaying the configuration 10-39

identifying the server 10-27

in clusters 6-16

limiting the services to the user 10-33

method list, defined 10-26

operation of 10-19

overview 10-18

server load balancing 10-39

suggested network environments 10-18

support for 1-13

tracking services accessed by user 10-34

RADIUS Change of Authorization 10-20

range

macro 15-24

of interfaces 15-22

rapid convergence 22-10

rapid per-VLAN spanning-tree plus

See rapid PVST+

rapid PVST+

described 21-10

IEEE 802.1Q trunking interoperability 21-12

instances supported 21-10

Rapid Spanning Tree Protocol

See RSTP

RARP 44-10

rcommand command 6-16

RCP

configuration files

downloading A-18

overview A-17

preparing the server A-17

uploading A-19

image files

deleting old image A-38

downloading A-37

preparing the server A-36

uploading A-38

reachability, tracking IP SLAs IP host 49-9

readiness check

port-based authentication

configuring 11-41

described 11-15, 11-41

reconfirmation interval, VMPS, changing 16-29

reconfirming dynamic VLAN membership 16-29

redirect URL 11-18, 11-20, 11-71

redundancy

EtherChannel 42-3

HSRP 46-1

STP

backbone 21-9

multidrop backbone 23-5

path cost 16-24

port priority 16-22

redundant links and UplinkFast 23-15

redundant power system

See Cisco Redundant Power System 2300

reliable transport protocol, EIGRP 44-38

reloading software 4-23

Remote Authentication Dial-In User Service

See RADIUS

Remote Copy Protocol

See RCP

Remote Network Monitoring

See RMON

Remote SPAN

See RSPAN

remote SPAN 34-3

REP

administrative VLAN 24-8

administrative VLAN, configuring 24-8

age timer 24-8

and STP 24-6

configuration guidelines 24-7

configuring interfaces 24-9

convergence 24-4

default configuration 24-7

manual preemption, configuring 24-13

monitoring 24-14

neighbor offset numbers 24-4

open segment 24-2

ports 24-6

preempt delay time 24-5

primary edge port 24-4

ring segment 24-2

secondary edge port 24-4

segments 24-1

characteristics 24-2

SNMP traps, configuring 24-13

supported interfaces 24-1

triggering VLAN load balancing 24-5

verifying link integrity 24-3

VLAN blocking 24-12

VLAN load balancing 24-4

report suppression, IGMP

described 28-6

disabling 28-16, 29-11

resequencing ACL entries 39-16

reserved addresses in DHCP pools 26-28

resets, in BGP 44-52

resetting a UDLD-shutdown interface 33-6

Resilient Ethernet Protocol

See REP

responder, IP SLAs

described 47-4

enabling 47-7

response time, measuring with IP SLAs 47-4

restricted VLAN

configuring 11-62

described 11-22

using with IEEE 802.1x 11-22

restricting access

overview 10-1

passwords and privilege levels 10-2

RADIUS 10-17

TACACS+ 10-10

retry count, VMPS, changing 16-30

reverse address resolution 44-10

Reverse Address Resolution Protocol

See RARP

RFC

1058, RIP 44-20

1112, IP multicast and IGMP 28-2

1157, SNMPv1 37-2

1163, BGP 44-45

1166, IP addresses 44-7

1253, OSPF 44-27

1267, BGP 44-45

1305, NTP 7-2

1587, NSSAs 44-27

1757, RMON 35-2

1771, BGP 44-45

1901, SNMPv2C 37-2

1902 to 1907, SNMPv2 37-2

2236, IP multicast and IGMP 28-2

2273-2275, SNMPv3 37-2

RFC 5176 Compliance 10-21

RIP

advertisements 44-21

authentication 44-24

configuring 44-22

default configuration 44-21

described 44-21

for IPv6 45-11

hop counts 44-21

split horizon 44-24

summary addresses 44-24

support for 1-16

RMON

default configuration 35-3

displaying status 35-6

enabling alarms and events 35-3

groups supported 35-2

overview 35-1

statistics

collecting group Ethernet 35-5

collecting group history 35-5

support for 1-18

root guard

described 23-10

enabling 23-18

support for 1-9

root switch

MSTP 22-18

STP 21-17

route calculation timers, OSPF 44-35

route dampening, BGP 44-64

routed packets, ACLs on 39-43

routed ports

configuring 44-5

defined 15-4

in switch clusters 6-8

IP addresses on 15-42, 44-5

route-map command 44-102

route maps

BGP 44-56

policy-based routing 44-100

router ACLs

defined 39-3

types of 39-5

route reflectors, BGP 44-63

router ID, OSPF 44-36

route selection, BGP 44-54

route summarization, OSPF 44-34

route targets, VPN 44-79

routing

default 44-3

dynamic 44-3

redistribution of information 44-96

static 44-3

routing domain confederation, BGP 44-63

Routing Information Protocol

See RIP

routing protocol administrative distances 44-94

RPS

See Cisco Redundant Power System 2300

RPS 2300

See Cisco Redundant Power System 2300

RSPAN 34-3

and stack changes 34-10

characteristics 34-9

configuration guidelines 34-17

default configuration 34-12

destination ports 34-8

displaying status 34-28

in a switch stack 34-3

interaction with other features 34-9

monitored ports 34-7

monitoring ports 34-8

overview 1-18, 34-1

received traffic 34-6

session limits 34-12

sessions

creating 34-18

defined 34-4

limiting source traffic to specific VLANs 34-20

specifying monitored ports 34-18

with ingress traffic enabled 34-22

source ports 34-7

transmitted traffic 34-6

VLAN-based 34-7

RSTP

active topology 22-9

BPDU

format 22-12

processing 22-13

designated port, defined 22-9

designated switch, defined 22-9

interoperability with IEEE 802.1D

described 22-8

restarting migration process 22-26

topology changes 22-13

overview 22-9

port roles

described 22-9

synchronized 22-11

proposal-agreement handshake process 22-10

rapid convergence

cross-stack rapid convergence 22-11

described 22-10

edge ports and Port Fast 22-10

point-to-point links 22-10, 22-25

root ports 22-10

root port, defined 22-9

See also MSTP

running configuration

replacing A-20, A-21

rolling back A-20, A-22

saving 4-16

S

SAP

defined 12-9

negotiation 12-9

support 12-1

SC (standby command switch) 6-10

scheduled reloads 4-23

scheduling, IP SLAs operations 47-5

SCP

and SSH 10-55

configuring 10-55

SDM

described 8-1

switch stack consideration 5-11

templates

configuring 8-6

number of 8-1

SDM template

configuring 8-5

dual IPv4 and IPv6 8-3

types of 8-1

secondary edge port, REP 24-4

secondary VLANs 19-2

Secure Copy Protocol

secure HTTP client

configuring 10-54

displaying 10-54

secure HTTP server

configuring 10-52

displaying 10-54

secure MAC addresses

and switch stacks 31-18

deleting 31-16

maximum number of 31-10

types of 31-9

secure ports

and switch stacks 31-18

configuring 31-9

secure remote connections 10-44

Secure Shell

See SSH

Secure Socket Layer

See SSL

security, port 31-8

Security Exchange Protocol

See SXP

Security Exchange Protocol

See SAP

Security Exchange Protocol (SXP) 14-2

security features 1-10

Security Group Access Control List (SGACL) 14-2

Security Group Tag (SGT) 14-2

See SCP

sequence numbers in log messages 36-8

server mode, VTP 17-3

service-provider network, MSTP and RSTP 22-1

service-provider networks

and customer VLANs 20-2

and IEEE 802.1Q tunneling 20-1

Layer 2 protocols across 20-8

Layer 2 protocol tunneling for EtherChannels 20-10

session keys, MKA 12-2

set-request operation 37-4

setup program

failed command switch replacement 55-11

replacing failed command switch 55-9

severity levels, defining in system messages 36-9

SFPs

monitoring status of 55-14

numbering of 15-21

security and identification 55-14

status, displaying 55-14

SGACL 14-2

SGT 14-2

shaped round robin

See SRR

show access-lists hw-summary command 39-23

show and more command output, filtering 2-9

show cluster members command 6-16

show configuration command 15-39

show forward command 55-22

show interfaces command 15-33, 15-39

show interfaces switchport 25-4

show l2protocol command 20-14, 20-16, 20-17

show platform forward command 55-22

show running-config command

displaying ACLs 39-34, 39-36

interface description in 15-39

shutdown command on interfaces 15-55

shutdown threshold for Layer 2 protocol packets 20-12

Simple Network Management Protocol

See SNMP

single session ID 11-35

small form-factor pluggable modules

See SFPs

small-frame arrival rate, configuring 31-5

smart logging 36-1, 36-14

SNAP 30-1

SNMP

accessing MIB variables with 37-4

agent

described 37-4

disabling 37-7

and IP SLAs 47-2

authentication level 37-10

community strings

configuring 37-8

for cluster switches 37-4

overview 37-4

configuration examples 37-17

default configuration 37-6

engine ID 37-7

groups 37-7, 37-9

host 37-7

ifIndex values 37-5

in-band management 1-8

in clusters 6-14

informs

and trap keyword 37-12

described 37-5

differences from traps 37-5

disabling 37-15

enabling 37-15

limiting access by TFTP servers 37-17

limiting system log messages to NMS 36-10

manager functions 1-6, 37-3

managing clusters with 6-17

notifications 37-5

overview 37-1, 37-4

security levels 37-3

setting CPU threshold notification 37-16

status, displaying 37-19

system contact and location 37-16

trap manager, configuring 37-14

traps

described 37-5

differences from informs 37-5

disabling 37-15

enabling 37-12

enabling MAC address notification 7-15, 7-17, 7-18

overview 37-1, 37-4

types of 37-12

users 37-7, 37-9

versions supported 37-2

SNMP and Syslog Over IPv6 45-13

SNMP traps

REP 24-13

SNMPv1 37-2

SNMPv2C 37-2

SNMPv3 37-2

snooping, IGMP 28-2

software compatibility

See stacks, switch

software images

location in flash A-26

recovery procedures 55-2

scheduling reloads 4-24

tar file format, described A-26

See also downloading and uploading

software images in mixed stacks

See the Cisco Software Activation and Compatibility Document

source-and-destination-IP address based forwarding, EtherChannel 42-9

source-and-destination MAC address forwarding, EtherChannel 42-9

source-IP address based forwarding, EtherChannel 42-9

source-MAC address forwarding, EtherChannel 42-8

Source-specific multicast

See SSM

SPAN

and stack changes 34-10

configuration guidelines 34-12

default configuration 34-12

destination ports 34-8

displaying status 34-28

interaction with other features 34-9

monitored ports 34-7

monitoring ports 34-8

overview 1-18, 34-1

ports, restrictions 31-12

received traffic 34-6

session limits 34-12

sessions

configuring ingress forwarding 34-16, 34-23

creating 34-13, 34-25

defined 34-4

limiting source traffic to specific VLANs 34-16

removing destination (monitoring) ports 34-14

specifying monitored ports 34-13, 34-25

with ingress traffic enabled 34-15

source ports 34-7

transmitted traffic 34-6

VLAN-based 34-7

spanning tree and native VLANs 16-17

Spanning Tree Protocol

See STP

SPAN traffic 34-6

split horizon, RIP 44-24

SRR

configuring

shaped weights on egress queues 40-88

shared weights on egress queues 40-89

shared weights on ingress queues 40-81

described 40-15

shaped mode 40-15

shared mode 40-16

support for 1-15, 1-16

SSH

configuring 10-45

described 1-8, 10-44

encryption methods 10-45

switch stack considerations 5-18

user authentication methods, supported 10-45

SSL

configuration guidelines 10-51

configuring a secure HTTP client 10-54

configuring a secure HTTP server 10-52

described 10-48

monitoring 10-54

SSM

address management restrictions 51-16

CGMP limitations 51-16

components 51-14

configuration guidelines 51-16

configuring 51-14, 51-17

differs from Internet standard multicast 51-14

IGMP snooping 51-16

IGMPv3 51-14

IGMPv3 Host Signalling 51-15

IP address range 51-15

monitoring 51-17

operations 51-15

PIM 51-14

state maintenance limitations 51-16

SSM mapping 51-17

configuration guidelines 51-17

configuring 51-17, 51-19

DNS-based 51-18, 51-20

monitoring 51-22

overview 51-18

restrictions 51-18

static 51-18, 51-20

static traffic forwarding 51-21

stack changes

effects on

IPv6 routing 45-15

stack changes, effects on

ACL configuration 39-7

CDP 30-2

cross-stack EtherChannel 42-13

EtherChannel 42-10

fallback bridging 54-3

HSRP 46-5

IEEE 802.1x port-based authentication 11-11

IGMP snooping 28-7

IP routing 44-4

IPv6 ACLs 41-3

MAC address tables 7-14

MSTP 22-8

multicast routing 51-10

MVR 28-18

port security 31-18

SDM template selection 8-4

SNMP 37-1

SPAN and RSPAN 34-10

STP 21-12

switch clusters 6-14

system message log 36-2

VLANs 16-6

VTP 17-8

stacking

and MACsec 12-3

stack master

bridge ID (MAC address) 5-7

defined 5-2

election 5-6

IPv6 45-15

re-election 5-6

See also stacks, switch

stack member

accessing CLI of specific member 5-30

configuring

member number 5-26

priority value 5-26

defined 5-2

displaying information of 5-30

IPv6 45-15

number 5-7

priority value 5-8

provisioning a new member 5-27

replacing 5-16

See also stacks, switch

stack member number 15-20

stack protocol version 5-12

stacks, switch

accessing CLI of specific member 5-30

assigning information

member number 5-26

priority value 5-26

provisioning a new member 5-27

auto-advise 5-13

auto-copy 5-13

auto-extract 5-13

auto-upgrade 5-12

bridge ID 5-7

Catalyst 3750-X-only 5-2

CDP considerations 30-2

compatibility, software 5-11

configuration file 5-16

configuration scenarios 5-19

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

default configuration 5-24

description of 5-2

displaying information of 5-30

enabling persistent MAC address timer 5-24

hardware compatibility and SDM mismatch mode 5-11

HSRP considerations 46-5

in clusters 6-14

incompatible software and image upgrades 5-16, A-39

IPv6 on 45-15

MAC address considerations 7-14

MAC address of 5-24

management connectivity 5-17

managing 5-1

managing mixed

See Catalyst 3750-E and 3750 Switch Stacking Compatibility Guide

membership 5-4

merged 5-5

mixed

hardware 5-2

hardware and software 5-2

software 5-2

with Catalyst 3750-E and 3750 switches 5-2

mixed software images

See Cisco Software Activation and Compatibility Document

MSTP instances supported 21-10

multicast routing, stack master and member roles 51-10

offline configuration

described 5-8

effects of adding a provisioned switch 5-9

effects of removing a provisioned switch 5-11

effects of replacing a provisioned switch 5-11

provisioned configuration, defined 5-8

provisioned switch, defined 5-8

provisioning a new member 5-27

partitioned 5-5, 55-8

provisioned switch

adding 5-9

removing 5-11

replacing 5-11

replacing a failed member 5-16

software compatibility 5-11

software image version 5-11

stack protocol version 5-12

STP

bridge ID 21-3

instances supported 21-10

root port selection 21-3

stack root switch election 21-3

system messages

hostnames in the display 36-1

remotely monitoring 36-2

system prompt consideration 7-7

system-wide configuration considerations 5-17

upgrading A-39

version-mismatch (VM) mode

automatic upgrades with auto-upgrade 5-12

described 5-12

examples 5-13

manual upgrades with auto-advise 5-13

upgrades with auto-extract 5-13

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 46-6

standby links 25-2

standby router 46-2

standby timers, HSRP 46-10

startup configuration

booting

manually 4-19

specific image 4-20

clearing A-20

configuration file

automatically downloading 4-18

specifying the filename 4-19

default boot configuration 4-18

static access ports

assigning to VLAN 16-9

defined 15-3, 16-3

static addresses

See addresses

static IP routing 1-16

static MAC addressing 1-11

static route primary interface, configuring 49-10

static routes

configuring 44-94

understanding 45-11

static routing 44-3

static routing support, enhanced object tracking 49-10

static SSM mapping 51-18, 51-20

static traffic forwarding 51-21

static VLAN membership 16-2

statistics

802.1X 13-17

CDP 30-5

IEEE 802.1x 11-76

interface 15-54

IP multicast routing 51-63

MKA 12-5

OSPF 44-37

RMON group Ethernet 35-5

RMON group history 35-5

SNMP input and output 37-19

VTP 17-18

sticky learning 31-9

storm control

configuring 31-3

described 31-1

disabling 31-5

support for 1-5

thresholds 31-1

STP

accelerating root port selection 23-4

and REP 24-6

BackboneFast

described 23-7

disabling 23-17

enabling 23-16

BPDU filtering

described 23-3

disabling 23-15

enabling 23-14

BPDU guard

described 23-2

disabling 23-14

enabling 23-13

BPDU message exchange 21-3

configuration guidelines 21-14, 23-12

configuring

forward-delay time 21-24

hello time 21-23

maximum aging time 21-24

path cost 21-21

port priority 21-19

root switch 21-17

secondary root switch 21-18

spanning-tree mode 21-15

switch priority 21-22

transmit hold-count 21-25

counters, clearing 21-25

cross-stack UplinkFast

described 23-5

enabling 23-16

default configuration 21-13

default optional feature configuration 23-12

designated port, defined 21-4

designated switch, defined 21-4

detecting indirect link failures 23-8

disabling 21-16

displaying status 21-25

EtherChannel guard

described 23-10

disabling 23-17

enabling 23-17

extended system ID

effects on root switch 21-17

effects on the secondary root switch 21-18

overview 21-5

unexpected behavior 21-17

features supported 1-9

IEEE 802.1D and bridge ID 21-5

IEEE 802.1D and multicast addresses 21-9

IEEE 802.1t and VLAN identifier 21-5

inferior BPDU 21-3

instances supported 21-10

interface state, blocking to forwarding 23-2

interface states

blocking 21-6

disabled 21-8

forwarding 21-6, 21-7

learning 21-7

listening 21-7

overview 21-5

interoperability and compatibility among modes 21-11

keepalive messages 21-2

Layer 2 protocol tunneling 20-8

limitations with IEEE 802.1Q trunks 21-12

load sharing

overview 16-22

using path costs 16-24

using port priorities 16-22

loop guard

described 23-11

enabling 23-18

modes supported 21-9

multicast addresses, effect of 21-9

optional features supported 1-9

overview 21-2

path costs 16-24, 16-25

Port Fast

described 23-2

enabling 23-12

port priorities 16-23

preventing root switch selection 23-10

protocols supported 21-9

redundant connectivity 21-9

root guard

described 23-10

enabling 23-18

root port, defined 21-3

root port selection on a switch stack 21-3

root switch

configuring 21-17

effects of extended system ID 21-5, 21-17

election 21-3

unexpected behavior 21-17

shutdown Port Fast-enabled port 23-2

stack changes, effects of 21-12

status, displaying 21-25

superior BPDU 21-3

timers, described 21-23

UplinkFast

described 23-3

enabling 23-15

VLAN-bridge 21-12

stratum, NTP 7-2

stub areas, OSPF 44-33

stub routing, EIGRP 44-44

subdomains, private VLAN 19-1

subnet mask 44-7

subnet zero 44-8

success response, VMPS 16-26

summer time 7-6

SunNet Manager 1-6

supernet 44-8

supported port-based authentication methods 11-8

SVI autostate exclude

configuring 15-44

defined 15-6

SVI link state 15-6

SVIs

and IP unicast routing 44-5

and router ACLs 39-5

connecting VLANs 15-15

defined 15-5

routing between VLANs 16-2

switch 45-2

switch clustering technology 6-1

See also clusters, switch

switch console port 1-8

Switch Database Management

See SDM

switched packets, ACLs on 39-41

Switched Port Analyzer

See SPAN

switched ports 15-3

switchport backup interface 25-4, 25-5

switchport block multicast command 31-8

switchport block unicast command 31-8

switchport command 15-30

switchport mode dot1q-tunnel command 20-7

switchport protected command 31-7

switch priority

MSTP 22-22

STP 21-22

switch software features 1-1

switch virtual interface

See SVI

SXP 14-2

synchronization, BGP 44-50

syslog

See system message logging

system capabilities TLV 32-2

system clock

configuring

daylight saving time 7-6

manually 7-4

summer time 7-6

time zones 7-5

displaying the time and date 7-5

overview 7-2

See also NTP

system description TLV 32-2

system message logging

default configuration 36-4

defining error message severity levels 36-9

disabling 36-4

displaying the configuration 36-17

enabling 36-5

facility keywords, described 36-14

level keywords, described 36-10

limiting messages 36-10

message format 36-2

overview 36-1

sequence numbers, enabling and disabling 36-8

setting the display destination device 36-5

stack changes, effects of 36-2

synchronizing log messages 36-6

syslog facility 1-18

time stamps, enabling and disabling 36-8

UNIX syslog servers

configuring the daemon 36-12

configuring the logging facility 36-13

facilities supported 36-14

system MTU

and IS-IS LSPs 44-71

system MTU and IEEE 802.1Q tunneling 20-5

system name

default configuration 7-8

default setting 7-8

manual configuration 7-8

See also DNS

system name TLV 32-2

system prompt, default setting 7-7, 7-8

system resources, optimizing 8-1

system routing

IS-IS 44-67

ISO IGRP 44-67

T

TACACS+

accounting, defined 10-11

authentication, defined 10-11

authorization, defined 10-11<