Table Of Contents

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

Index

A

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

abbreviating commands 2-3

ABRs 37-24

AC (command switch) 5-10

access-class command 33-20

access control entries

See ACEs

access control entry (ACE) 40-3

access-denied response, VMPS 13-25

access groups

applying IPv4 ACLs to interfaces 33-21

Layer 2 33-21

Layer 3 33-21

accessing

clusters, switch 5-13

command switches 5-11

member switches 5-13

switch clusters 5-13

access lists

See ACLs

access ports

and Layer 2 protocol tunneling 16-10

defined 11-3

in switch clusters 5-9

access template 7-1

accounting

with 802.1x 9-48

with IEEE 802.1x 9-15

with RADIUS 8-33

with TACACS+ 8-11, 8-17

ACEs

and QoS 34-8

defined 33-2

Ethernet 33-2

IP 33-2

ACLs

ACEs 33-2

any keyword 33-13

applying

on bridged packets 33-41

on multicast packets 33-42

on routed packets 33-42

on switched packets 33-40

time ranges to 33-17

to an interface 33-20, 40-7

to IPv6 interfaces 40-7

to QoS 34-8

classifying traffic for QoS 34-49

comments in 33-19

compiling 33-23

defined 33-1, 33-7

examples of 33-23, 34-49

extended IP, configuring for QoS classification 34-50

extended IPv4

creating 33-10

matching criteria 33-7

hardware and software handling 33-22

host keyword 33-13

IP

creating 33-7

fragments and QoS guidelines 34-39

implicit deny 33-10, 33-14, 33-16

implicit masks 33-10

matching criteria 33-7

undefined 33-21

IPv4

applying to interfaces 33-20

creating 33-7

matching criteria 33-7

named 33-15

numbers 33-8

terminal lines, setting on 33-19

unsupported features 33-6

IPv6

applying to interfaces 40-7

configuring 40-3, 40-4

displaying 40-8

interactions with other features 40-4

limitations 40-2, 40-3

matching criteria 40-3

named 40-2

precedence of 40-2

supported 40-2

unsupported features 40-3

Layer 4 information in 33-40

logging messages 33-8

MAC extended 33-28, 34-51

matching 33-7, 33-21, 40-3

monitoring 33-43, 40-8

named, IPv4 33-15

named, IPv6 40-2

names 40-4

number per QoS class map 34-39

port 33-2, 40-1

precedence of 33-2

QoS 34-8, 34-49

resequencing entries 33-15

router 33-2, 40-1

router ACLs and VLAN map configuration guidelines 33-39

standard IP, configuring for QoS classification 34-49

standard IPv4

creating 33-9

matching criteria 33-7

support for 1-10

support in hardware 33-22

time ranges 33-17

types supported 33-2

unsupported features, IPv4 33-6

unsupported features, IPv6 40-3

using router ACLs with VLAN maps 33-39

VLAN maps

configuration guidelines 33-31

configuring 33-30

active link 19-3, 19-5

active links 19-1

active router 41-2

active traffic monitoring, IP SLAs 42-1

address aliasing 22-2

addresses

displaying the MAC address table 6-23

dynamic

accelerated aging 26-8

changing the aging time 6-14

default aging 26-8

defined 6-12

learning 6-13

removing 6-15

IPv6 38-2

MAC, discovering 6-23

multicast

group address range 45-3

STP address management 26-8

static

adding and removing 6-19

defined 6-12

address resolution 6-23, 37-8

Address Resolution Protocol

See ARP

adjacency tables, with CEF 37-88

administrative distances

defined 37-100

OSPF 37-31

routing protocol defaults 37-90

advertisements

CDP 24-1

LLDP 25-1, 25-2

RIP 37-19

VTP 13-16, 14-3, 14-4

aggregatable global unicast addresses 38-3

aggregate addresses, BGP 37-58

aggregated ports

See EtherChannel

aggregate policers 34-66

aggregate policing 1-13

aging, accelerating 26-8

aging time

accelerated

for MSTP 17-23

for STP 26-8, 26-21

MAC address table 6-14

maximum

for MSTP 17-23, 17-24

for STP 26-21, 26-22

alarms, RMON 29-3

allowed-VLAN list 13-18

application engines, redirecting traffic to 44-1

area border routers

See ABRs

area routing

IS-IS 37-63

ISO IGRP 37-63

ARP

configuring 37-8

defined 1-6, 6-23, 37-8

encapsulation 37-9

static cache configuration 37-8

table

address resolution 6-23

managing 6-23

ASBRs 37-24

AS-path filters, BGP 37-52

asymmetrical links, and IEEE 802.1Q tunneling 16-4

attributes, RADIUS

vendor-proprietary 8-36

vendor-specific 8-34

attribute-value pairs 9-12, 9-15, 9-20, 9-21

authentication

EIGRP 37-38

HSRP 41-10

local mode with AAA 8-42

open1x 9-29

RADIUS

key 8-26

login 8-28

TACACS+

defined 8-11

key 8-13

login 8-14

See also port-based authentication

authentication compatibility with Catalyst 6000 switches 9-8

authentication failed VLAN

See restricted VLAN

authentication keys, and routing protocols 37-100

authentication manager

CLI commands 9-9

compatibility with older 802.1x CLI commands9-9to ??

overview 9-7

authoritative time source, described 6-2

authorization

with RADIUS 8-32

with TACACS+ 8-11, 8-16

authorized ports with IEEE 802.1x 9-10

autoconfiguration 3-3

auto enablement 9-30

automatic discovery

considerations

beyond a noncandidate device 5-8

brand new switches 5-9

connectivity 5-4

different VLANs 5-7

management VLANs 5-7

non-CDP-capable devices 5-6

noncluster-capable devices 5-6

routed ports 5-8

in switch clusters 5-4

See also CDP

automatic QoS

See QoS

automatic recovery, clusters 5-10

See also HSRP

auto-MDIX

configuring 11-21

described 11-20

autonegotiation

duplex mode 1-4

interface configuration guidelines 11-18

mismatches 48-11

autonomous system boundary routers

See ASBRs

autonomous systems, in BGP 37-46

Auto-QoS video devices 1-13

Auto-RP, described 45-6

autosensing, port speed 1-4

autostate exclude 11-5

auxiliary VLAN

See voice VLAN

availability, features 1-7

B

BackboneFast

described 18-5

disabling 18-14

enabling 18-13

support for 1-8

backup interfaces

See Flex Links

backup links 19-1

backup static routing, configuring 43-11

banners

configuring

login 6-12

message-of-the-day login 6-11

default configuration 6-10

when displayed 6-10

Berkeley r-tools replacement 8-54

BGP

aggregate addresses 37-58

aggregate routes, configuring 37-58

CIDR 37-58

clear commands 37-61

community filtering 37-55

configuring neighbors 37-56

default configuration 37-43

described 37-42

enabling 37-46

monitoring 37-61

multipath support 37-50

neighbors, types of 37-46

path selection 37-50

peers, configuring 37-56

prefix filtering 37-54

resetting sessions 37-49

route dampening 37-60

route maps 37-52

route reflectors 37-59

routing domain confederation 37-59

routing session with multi-VRF CE 37-82

show commands 37-61

supernets 37-58

support for 1-14

Version 4 37-42

binding cluster group and HSRP group 41-12

binding database

address, DHCP server

See DHCP, Cisco IOS server database

DHCP snooping

See DHCP snooping binding database

bindings

address, Cisco IOS DHCP server 20-6

DHCP snooping database 20-6

IP source guard 20-15

binding table, DHCP snooping

See DHCP snooping binding database

blocking packets 23-7

Boolean expressions in tracked lists 43-4

booting

boot loader, function of 3-2

boot process 3-1

manually 3-18

specific image 3-19

boot loader

accessing 3-19

described 3-2

environment variables 3-19

prompt 3-19

trap-door mechanism 3-2

bootstrap router (BSR), described 45-7

Border Gateway Protocol

See BGP

BPDU

error-disabled state 18-2

filtering 18-3

RSTP format 17-12

BPDU filtering

described 18-3

disabling 18-12

enabling 18-12

support for 1-8

BPDU guard

described 18-2

disabling 18-12

enabling 18-11

support for 1-8

bridged packets, ACLs on 33-41

bridge groups

See fallback bridging

bridge protocol data unit

See BPDU

broadcast flooding 37-16

broadcast packets

directed 37-13

flooded 37-13

broadcast storm-control command 23-4

broadcast storms 23-1, 37-13

C

cables, monitoring for unidirectional links 27-1

candidate switch

automatic discovery 5-4

defined 5-3

requirements 5-3

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

Catalyst 6000 switches

authentication compatibility 9-8

CA trustpoint

configuring 8-51

defined 8-48

CDP

and trusted boundary 34-45

automatic discovery in switch clusters 5-4

configuring 24-2

default configuration 24-2

defined with LLDP 25-1

described 24-1

disabling for routing device24-3to 24-4

enabling and disabling

on an interface 24-4

on a switch 24-3

Layer 2 protocol tunneling 16-7

monitoring 24-5

overview 24-1

power negotiation extensions 11-7

support for 1-6

transmission timer and holdtime, setting 24-2

updates 24-2

CEF

defined 37-87

enabling 37-88

IPv6 38-18

CGMP

as IGMP snooping learning method 22-8

clearing cached group entries 45-61

enabling server support 45-43

joining multicast group 22-3

overview 45-9

server support only 45-9

switch support of 1-4

CIDR 37-58

CipherSuites 8-50

Cisco 7960 IP Phone 12-1

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco intelligent power management 11-7

Cisco IOS DHCP server

See DHCP, Cisco IOS DHCP server

Cisco IOS File System

See IFS

Cisco IOS IP SLAs 42-2

Cisco Redundant Power System 2300

configuring 11-29

managing 11-29

Cisco Secure ACS

attribute-value pairs for downloadable ACLs 9-21

attribute-value pairs for redirect URL 9-20

Cisco Secure ACS configuration guide 9-59

CiscoWorks 2000 1-5, 31-4

CISP 9-30

CIST regional root

See MSTP

CIST root

See MSTP

civic location 25-3

classless interdomain routing

See CIDR

classless routing 37-6

class maps for QoS

configuring 34-52

described 34-8

displaying 34-86

class of service

See CoS

clearing interfaces 11-32

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 5-15

no and default forms of commands 2-4

Client Information Signalling Protocol

See CISP

client mode, VTP 14-3

client processes, tracking 43-1

CLNS

See ISO CLNS

clock

See system clock

clusters, switch

accessing 5-13

automatic discovery 5-4

automatic recovery 5-10

benefits 1-2

compatibility 5-4

described 5-1

LRE profile considerations 5-14

managing

through CLI 5-15

through SNMP 5-15

planning 5-4

planning considerations

automatic discovery 5-4

automatic recovery 5-10

CLI 5-15

host names 5-13

IP addresses 5-13

LRE profiles 5-14

passwords 5-13

RADIUS 5-14

SNMP 5-14, 5-15

TACACS+ 5-14

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

cluster standby group

and HSRP group 41-12

automatic recovery 5-12

considerations 5-11

defined 5-2

requirements 5-3

virtual IP address 5-11

See also HSRP

CNS 1-6

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 4-7

management functions 1-5

CoA Request Commands 8-23

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 8-8

command switch

accessing 5-11

active (AC) 5-10

configuration conflicts 48-11

defined 5-2

passive (PC) 5-10

password privilege levels 5-15

priority 5-10

recovery

from command-switch failure 5-10, 48-7

from lost member connectivity 48-11

redundant 5-10

replacing

with another switch 48-9

with cluster member 48-8

requirements 5-3

standby (SC) 5-10

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

community list, BGP 37-55

community ports 15-2

community strings

configuring 5-14, 31-8

for cluster switches 31-4

in clusters 5-14

overview 31-4

SNMP 5-14

community VLANs 15-2, 15-3

compatibility, feature 23-12

config.text 3-17

configurable leave timer, IGMP 22-5

configuration, initial

defaults 1-17

Express Setup 1-2

configuration changes, logging 30-10

configuration conflicts, recovering from lost member connectivity 48-11

configuration examples, network 1-20

configuration files

archiving A-19

clearing the startup configuration A-18

creating using a text editor A-9

default name 3-17

deleting a stored configuration A-18

described A-8

downloading

automatically 3-17

preparing A-10, A-12, A-15

reasons for A-8

using FTP A-13

using RCP A-16

using TFTP A-11

guidelines for creating and using A-8

guidelines for replacing and rolling back A-20

invalid combinations when copying A-5

limiting TFTP server access 31-16

obtaining with DHCP 3-8

password recovery disable considerations 8-5

replacing a running configuration A-18, A-19

rolling back a running configuration A-18, A-20

specifying the filename 3-17

system contact and location information 31-16

types and location A-9

uploading

preparing A-10, A-12, A-15

reasons for A-8

using FTP A-14

using RCP A-17

using TFTP A-11

configuration guidelines, multi-VRF CE 37-75

configuration logger 30-10

configuration logging 2-4

configuration replacement A-18

configuration rollback A-18, A-19

configuration settings, saving 3-15

configure terminal command 11-11

configuring 802.1x user distribution 9-55

configuring port-based authentication violation modes 9-39

configuring small-frame arrival rate 23-5

Configuring VACL Logging 33-37

conflicts, configuration 48-11

connections, secure remote 8-44

connectivity problems 48-13, 48-14, 48-16

consistency checks in VTP Version 2 14-4

console port, connecting to 2-9

content-routing technology

See WCCP

control protocol, IP SLAs 42-4

corrupted software, recovery steps with Xmodem 48-2

CoS

in Layer 2 frames 34-2

override priority 12-6

trust priority 12-6

CoS input queue threshold map for QoS 34-17

CoS output queue threshold map for QoS 34-19

CoS-to-DSCP map for QoS 34-68

counters, clearing interface 11-32

CPU utilization, troubleshooting 48-24

crashinfo file 48-22

critical authentication, IEEE 802.1x 9-52

critical VLAN 9-23

cryptographic software image

Kerberos 8-38

SSH 8-43

SSL 8-48

customer edge devices 37-73

customjzeable web pages, web-based authentication 10-6

CWDM SFPs 1-26

D

DACL

See downloadable ACL

daylight saving time 6-6

debugging

enabling all system diagnostics 48-19

enabling for a specific feature 48-19

redirecting error message output 48-20

using commands 48-18

default commands 2-4

default configuration

802.1x 9-33

auto-QoS 34-22

banners 6-10

BGP 37-43

CDP 24-2

DHCP 20-8

DHCP option 82 20-8

DHCP snooping 20-8

DHCP snooping binding database 20-8

DNS 6-9

dynamic ARP inspection 21-5

EIGRP 37-35

EtherChannel 35-10

Ethernet interfaces 11-15

fallback bridging 47-3

Flex Links 19-7, 19-8

HSRP 41-5

IEEE 802.1Q tunneling 16-4

IGMP 45-38

IGMP filtering 22-24

IGMP snooping 22-6, 39-5, 39-6

IGMP throttling 22-24

initial switch information 3-3

IP addressing, IP routing 37-4

IP multicast routing 45-10

IP SLAs 42-6

IP source guard 20-17

IPv6 38-10

IS-IS 37-64

Layer 2 interfaces 11-15

Layer 2 protocol tunneling 16-10

LLDP 25-5

MAC address table 6-14

MAC address-table move update 19-8

MSDP 46-4

MSTP 17-14

multi-VRF CE 37-75

MVR 22-19

optional spanning-tree configuration 18-9

OSPF 37-25

password and privilege level 8-2

PIM 45-10

private VLANs 15-6

RADIUS 8-25

RIP 37-19

RMON 29-3

RSPAN 28-9

SDM template 7-3

SNMP 31-6

SPAN 28-9

SSL 8-50

standard QoS 34-37

STP 26-11

system message logging 30-3

system name and prompt 6-8

TACACS+ 8-13

UDLD 27-4

VLAN, Layer 2 Ethernet interfaces 13-16

VLANs 13-7

VMPS 13-26

voice VLAN 12-3

VTP 14-7

WCCP 44-5

default gateway 3-14, 37-11

default networks 37-91

default router preference

See DRP

default routes 37-90

default routing 37-2

default web-based authentication configuration

802.1X 10-9

deleting VLANs 13-9

denial-of-service attack 23-1

description command 11-24

designing your network, examples 1-20

destination addresses

in IPv4 ACLs 33-12

in IPv6 ACLs 40-5

destination-IP address-based forwarding, EtherChannel 35-8

destination-MAC address forwarding, EtherChannel 35-8

detecting indirect link failures, STP 18-5

device A-23

device discovery protocol 24-1, 25-1

device manager

benefits 1-2

described 1-2, 1-5

in-band management 1-6

upgrading a switch A-23

DHCP

Cisco IOS server database

configuring 20-13

default configuration 20-8

described 20-6

DHCP for IPv6

See DHCPv6

enabling

relay agent 20-10

DHCP-based autoconfiguration

client request message exchange 3-4

configuring

client side 3-3

DNS 3-7

relay device 3-7

server side 3-6

TFTP server 3-7

example 3-9

lease options

for IP address information 3-6

for receiving the configuration file 3-6

overview 3-3

relationship to BOOTP 3-3

relay support 1-6, 1-14

support for 1-6

DHCP-based autoconfiguration and image update

configuring3-11to 3-14

understanding 3-5

DHCP binding database

See DHCP snooping binding database

DHCP binding table

See DHCP snooping binding database

DHCP object tracking, configuring primary interface 43-10

DHCP option 82

circuit ID suboption 20-5

configuration guidelines 20-8

default configuration 20-8

displaying 20-15

forwarding address, specifying 20-10

helper address 20-10

overview 20-3

packet format, suboption

circuit ID 20-5

remote ID 20-5

remote ID suboption 20-5

DHCP server port-based address allocation

configuration guidelines 20-25

default configuration 20-25

described 20-25

displaying 20-28

enabling 20-26

reserved addresses 20-26

DHCP server port-based address assignment

support for 1-6

DHCP snooping

accepting untrusted packets form edge switch 20-3, 20-12

and private VLANs 20-13

binding database

See DHCP snooping binding database

configuration guidelines 20-8

default configuration 20-8

displaying binding tables 20-15

message exchange process 20-4

option 82 data insertion 20-3

trusted interface 20-2

untrusted interface 20-2

untrusted messages 20-2

DHCP snooping binding database

adding bindings 20-14

binding file

format 20-7

location 20-6

bindings 20-6

clearing agent statistics 20-14

configuration guidelines 20-9

configuring 20-14

default configuration 20-8

deleting

binding file 20-14

bindings 20-14

database agent 20-14

described 20-6

displaying 20-15

binding entries 20-15

status and statistics 20-15

enabling 20-14

entry 20-6

renewing database 20-14

resetting

delay value 20-14

timeout value 20-14

DHCP snooping binding table

See DHCP snooping binding database

DHCPv6

configuration guidelines 38-15

default configuration 38-15

described 38-6

enabling client function 38-17

enabling DHCPv6 server function 38-15

support for 1-14

Differentiated Services architecture, QoS 34-2

Differentiated Services Code Point 34-2

Diffusing Update Algorithm (DUAL) 37-33

directed unicast requests 1-6

directories

changing A-3

creating and removing A-4

displaying the working A-3

discovery, clusters

See automatic discovery

Distance Vector Multicast Routing Protocol

See DVMRP

distance-vector protocols 37-3

distribute-list command 37-99

DNS

and DHCP-based autoconfiguration 3-7

default configuration 6-9

displaying the configuration 6-10

in IPv6 38-4

overview 6-8

setting up 6-9

support for 1-6

DNS-based SSM mapping 45-18, 45-20

domain names

DNS 6-8

VTP 14-8

Domain Name System

See DNS

domains, ISO IGRP routing 37-63

dot1q-tunnel switchport mode 13-15

double-tagged packets

IEEE 802.1Q tunneling 16-2

Layer 2 protocol tunneling 16-10

downloadable ACL 9-19, 9-21, 9-59

downloading

configuration files

preparing A-10, A-12, A-15

reasons for A-8

using FTP A-13

using RCP A-16

using TFTP A-11

image files

deleting old image A-27

preparing A-25, A-29, A-33

reasons for A-23

using CMS 1-2

using FTP A-30

using HTTP 1-2, A-23

using RCP A-34

using TFTP A-26

using the device manager or Network Assistant A-23

drop threshold for Layer 2 protocol packets 16-11

DRP

configuring 38-13

described 38-4

IPv6 38-4

support for 1-14

DSCP 1-12, 34-2

DSCP input queue threshold map for QoS 34-17

DSCP output queue threshold map for QoS 34-19

DSCP-to-CoS map for QoS 34-71

DSCP-to-DSCP-mutation map for QoS 34-72

DSCP transparency 34-46

DTP 1-9, 13-15

dual-action detection 35-5

DUAL finite state machine, EIGRP 37-34

dual IPv4 and IPv6 templates 7-2, 38-5, 38-6

dual protocol stacks

IPv4 and IPv6 38-5

SDM templates supporting 38-6

dual-purpose uplinks

defined 11-6

LEDs 11-6

link selection 11-6, 11-16

setting the type 11-16

DVMRP

autosummarization

configuring a summary address 45-57

disabling 45-59

connecting PIM domain to DVMRP router 45-50

enabling unicast routing 45-53

interoperability

with Cisco devices 45-48

with Cisco IOS software 45-8

mrinfo requests, responding to 45-52

neighbors

advertising the default route to 45-51

discovery with Probe messages 45-48

displaying information 45-52

prevent peering with nonpruning 45-55

rejecting nonpruning 45-53

overview 45-8

routes

adding a metric offset 45-59

advertising all 45-59

advertising the default route to neighbors 45-51

caching DVMRP routes learned in report messages 45-53

changing the threshold for syslog messages 45-56

deleting 45-61

displaying 45-61

favoring one over another 45-59

limiting the number injected into MBONE 45-56

limiting unicast route advertisements 45-48

routing table 45-9

source distribution tree, building 45-9

support for 1-14

tunnels

configuring 45-50

displaying neighbor information 45-52

dynamic access ports

characteristics 13-3

configuring 13-27

defined 11-3

dynamic addresses

See addresses

dynamic ARP inspection

ARP cache poisoning 21-1

ARP requests, described 21-1

ARP spoofing attack 21-1

clearing

log buffer 21-15

statistics 21-15

configuration guidelines 21-5

configuring

ACLs for non-DHCP environments 21-8

in DHCP environments 21-6

log buffer 21-12

rate limit for incoming ARP packets 21-4, 21-10

default configuration 21-5

denial-of-service attacks, preventing 21-10

described 21-1

DHCP snooping binding database 21-2

displaying

ARP ACLs 21-14

configuration and operating state 21-14

log buffer 21-15

statistics 21-15

trust state and rate limit 21-14

error-disabled state for exceeding rate limit 21-4

function of 21-2

interface trust states 21-2

log buffer

clearing 21-15

configuring 21-12

displaying 21-15

logging of dropped packets, described 21-4

man-in-the middle attack, described 21-2

network security issues and interface trust states 21-2

priority of ARP ACLs and DHCP snooping entries 21-4

rate limiting of ARP packets

configuring 21-10

described 21-4

error-disabled state 21-4

statistics

clearing 21-15

displaying 21-15

validation checks, performing 21-11

dynamic auto trunking mode 13-15

dynamic desirable trunking mode 13-15

Dynamic Host Configuration Protocol

See DHCP-based autoconfiguration

dynamic port VLAN membership

described 13-25

reconfirming 13-28

troubleshooting 13-30

types of connections 13-27

dynamic routing 37-3

ISO CLNS 37-62

Dynamic Trunking Protocol

See DTP

E

EBGP 37-41

editing features

enabling and disabling 2-6

keystrokes used 2-7

wrapped lines 2-8

EEM 3.2 32-5

EIGRP

authentication 37-38

components 37-34

configuring 37-37

default configuration 37-35

definition 37-33

interface parameters, configuring 37-38

monitoring 37-40

stub routing 37-39

ELIN location 25-3

embedded event manager

3.2 32-5

actions 32-4

configuring 32-1, 32-5

displaying information 32-7

environmental variables 32-4

event detectors 32-2

policies 32-4

registering and defining an applet 32-6

registering and defining a TCL script 32-6

understanding 32-1

enable password 8-3

enable secret password 8-3

encryption, CipherSuite 8-50

encryption for passwords 8-3

Enhanced IGRP

See EIGRP

enhanced object tracking

backup static routing 43-11

commands 43-1

defined 43-1

DHCP primary interface 43-10

HSRP 43-7

IP routing state 43-2

IP SLAs 43-9

line-protocol state 43-2

network monitoring with IP SLAs 43-11

routing policy, configuring 43-11

static route primary interface 43-10

tracked lists 43-3

enhanced object tracking static routing 43-10

environmental variables, embedded event manager 32-4

environment variables, function of 3-20

equal-cost routing 1-14, 37-89

error-disabled state, BPDU 18-2

error messages during command entry 2-4

EtherChannel

automatic creation of 35-4, 35-6

channel groups

binding physical and logical interfaces 35-3

numbering of 35-3

configuration guidelines 35-10

configuring

Layer 2 interfaces 35-11

Layer 3 physical interfaces 35-14

Layer 3 port-channel logical interfaces 35-13

default configuration 35-10

described 35-2

displaying status 35-20

forwarding methods 35-7, 35-16

IEEE 802.3ad, described 35-6

interaction

with STP 35-10

with VLANs 35-11

LACP

described 35-6

displaying status 35-20

hot-standby ports 35-18

interaction with other features 35-7

modes 35-6

port priority 35-19

system priority 35-19

Layer 3 interface 37-3

load balancing 35-7, 35-16

logical interfaces, described 35-3

PAgP

aggregate-port learners 35-17

compatibility with Catalyst 1900 35-17

described 35-4

displaying status 35-20

interaction with other features 35-6

interaction with virtual switches 35-5

learn method and priority configuration 35-17

modes 35-5

support for 1-4

with dual-action detection 35-5

port-channel interfaces

described 35-3

numbering of 35-3

port groups 11-6

support for 1-4

EtherChannel guard

described 18-7

disabling 18-14

enabling 18-14

Ethernet VLANs

adding 13-8

defaults and ranges 13-7

modifying 13-8

EUI 38-3

event detectors, embedded event manager 32-2

events, RMON 29-3

examples

network configuration 1-20

expedite queue for QoS 34-85

Express Setup 1-2

See also getting started guide

extended crashinfo file 48-22

extended-range VLANs

configuration guidelines 13-11

configuring 13-10

creating 13-12

creating with an internal VLAN ID 13-13

defined 13-1

extended system ID

MSTP 17-17

STP 26-4, 26-14

extended universal identifier

See EUI

Extensible Authentication Protocol over LAN 9-1

external BGP

See EBGP

external neighbors, BGP 37-46

F

fa0 interface 1-7

fallback bridging

and protected ports 47-3

bridge groups

creating 47-3

described 47-1

displaying 47-10

function of 47-2

number supported 47-4

removing 47-4

bridge table

clearing 47-10

displaying 47-10

configuration guidelines 47-3

connecting interfaces with 11-10

default configuration 47-3

described 47-1

frame forwarding

flooding packets 47-2

forwarding packets 47-2

overview 47-1

protocol, unsupported 47-3

STP

disabling on an interface 47-9

forward-delay interval 47-8

hello BPDU interval 47-7

interface priority 47-6

maximum-idle interval 47-8

path cost 47-6

VLAN-bridge spanning-tree priority 47-5

VLAN-bridge STP 47-2

support for 1-14

SVIs and routed ports 47-1

unsupported protocols 47-3

VLAN-bridge STP 26-10

Fast Convergence 19-3

features, incompatible 23-12

FIB 37-88

fiber-optic, detecting unidirectional links 27-1

files

basic crashinfo

description 48-22

location 48-22

copying A-4

crashinfo, description 48-22

deleting A-5

displaying the contents of A-7

extended crashinfo

description 48-23

location 48-23

tar

creating A-6

displaying the contents of A-6

extracting A-7

image file format A-24

file system

displaying available file systems A-2

displaying file information A-3

local file system names A-1

network file system names A-4

setting the default A-3

filtering

in a VLAN 33-30

IPv6 traffic 40-3, 40-7

non-IP traffic 33-28

show and more command output 2-9

filtering show and more command output 2-9

filters, IP

See ACLs, IP

flash device, number of A-1

flexible authentication ordering

configuring 9-62

overview 9-29

Flex Link Multicast Fast Convergence 19-3

Flex Links

configuration guidelines 19-8

configuring 19-8, 19-9

configuring preferred VLAN 19-11

configuring VLAN load balancing 19-10

default configuration 19-7

description 19-1

link load balancing 19-2

monitoring 19-14

VLANs 19-2

flooded traffic, blocking 23-8

flow-based packet classification 1-12

flowcharts

QoS classification 34-7

QoS egress queueing and scheduling 34-18

QoS ingress queueing and scheduling 34-16

QoS policing and marking 34-11

flowcontrol

configuring 11-20

described 11-19

forward-delay time

MSTP 17-23

STP 26-21

Forwarding Information Base

See FIB

forwarding nonroutable protocols 47-1

FTP

configuration files

downloading A-13

overview A-12

preparing the server A-12

uploading A-14

image files

deleting old image A-31

downloading A-30

preparing the server A-29

uploading A-31

G

general query 19-5

Generating IGMP Reports 19-3

get-bulk-request operation 31-3

get-next-request operation 31-3, 31-4

get-request operation 31-3, 31-4

get-response operation 31-3

global configuration mode 2-2

global leave, IGMP 22-12

guest VLAN and 802.1x 9-22

guide mode 1-2

GUIs

See device manager and Network Assistant

H

hardware limitations and Layer 3 interfaces 11-26

hello time

MSTP 17-22

STP 26-20

help, for the command line 2-3

HFTM space 48-23

hierarchical policy maps 34-9

configuration guidelines 34-39

configuring 34-58

described 34-12

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 30-10

host names, in clusters 5-13

host ports

configuring 15-11

kinds of 15-2

hosts, limit on dynamic ports 13-30

Hot Standby Router Protocol

See HSRP

HP OpenView 1-5

HQATM space 48-23

HSRP

authentication string 41-10

automatic cluster recovery 5-12

binding to cluster group 41-12

cluster standby group considerations 5-11

command-switch redundancy 1-1, 1-7

configuring 41-4

default configuration 41-5

definition 41-1

guidelines 41-5

monitoring 41-13

object tracking 43-7

overview 41-1

priority 41-7

routing redundancy 1-13

support for ICMP redirect messages 41-12

timers 41-10

tracking 41-8

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

HSRP for IPv6

configuring 38-24

guidelines 38-23

HTTP over SSL

see HTTPS

HTTPS 8-48

configuring 8-52

self-signed certificate 8-49

HTTP secure server 8-48

Hulc Forwarding TCAM Manager

See HFTM space

Hulc QoS/ACL TCAM Manager

See HQATM space

I

IBPG 37-41

ICMP

IPv6 38-4

redirect messages 37-11

support for 1-14

time-exceeded messages 48-16

traceroute and 48-16

unreachable messages 33-20

unreachable messages and IPv6 40-4

unreachables and ACLs 33-22

ICMP Echo operation

configuring 42-12

IP SLAs 42-12

ICMP ping

executing 48-13

overview 48-13

ICMP Router Discovery Protocol

See IRDP

ICMPv6 38-4

IDS appliances

and ingress RSPAN 28-20

and ingress SPAN 28-13

IEEE 802.1D

See STP

IEEE 802.1p 12-1

IEEE 802.1Q

and trunk ports 11-3

configuration limitations 13-16

native VLAN for untagged traffic 13-20

tunneling

compatibility with other features 16-5

defaults 16-4

described 16-1

tunnel ports with other features 16-6

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 11-19

ifIndex values, SNMP 31-5

IFS 1-6

IGMP

configurable leave timer

described 22-5

enabling 22-11

configuring the switch

as a member of a group 45-38

statically connected member 45-42

controlling access to groups 45-39

default configuration 45-38

deleting cache entries 45-61

displaying groups 45-61

fast switching 45-43

flooded multicast traffic

controlling the length of time 22-12

disabling on an interface 22-13

global leave 22-12

query solicitation 22-12

recovering from flood mode 22-12

host-query interval, modifying 45-40

joining multicast group 22-3

join messages 22-3

leave processing, enabling 22-10, 39-9

leaving multicast group 22-5

multicast reachability 45-38

overview 45-2

queries 22-4

report suppression

described 22-6

disabling 22-15, 39-11

supported versions 22-2

support for 1-4

Version 1

changing to Version 2 45-40

described 45-3

Version 2

changing to Version 1 45-40

described 45-3

maximum query response time value 45-42

pruning groups 45-42

query timeout value 45-41

IGMP filtering

configuring 22-24

default configuration 22-24

described 22-23

monitoring 22-28

support for 1-4

IGMP groups

configuring filtering 22-27

setting the maximum number 22-26

IGMP helper 1-4, 45-6

IGMP Immediate Leave

configuration guidelines 22-11

described 22-5

enabling 22-10

IGMP profile

applying 22-25

configuration mode 22-24

configuring 22-25

IGMP snooping

and address aliasing 22-2

configuring 22-6

default configuration 22-6, 39-5, 39-6

definition 22-1

enabling and disabling 22-7, 39-6

global configuration 22-7

Immediate Leave 22-5

method 22-8

monitoring 22-15, 39-11

querier

configuration guidelines 22-14

configuring 22-14

supported versions 22-2

support for 1-4

VLAN configuration 22-7

IGMP throttling

configuring 22-27

default configuration 22-24

described 22-23

displaying action 22-28

IGP 37-24

Immediate Leave, IGMP 22-5

enabling 39-9

inaccessible authentication bypass 9-23

support for multiauth ports 9-24

initial configuration

defaults 1-17

Express Setup 1-2

interface

number 11-10

range macros 11-13

interface command??to 11-11

interface configuration mode 2-2

interfaces

auto-MDIX, configuring 11-20

configuration guidelines

duplex and speed 11-18

configuring

procedure 11-11

counters, clearing 11-32

default configuration 11-15

described 11-24

descriptive name, adding 11-24

displaying information about 11-31

flow control 11-19

management 1-5

monitoring 11-31

naming 11-24

physical, identifying 11-10

range of 11-11

restarting 11-32

shutting down 11-32

speed and duplex, configuring 11-18

status 11-31

supported 11-10

types of 11-1

interfaces range macro command 11-13

interface types 11-10

Interior Gateway Protocol

See IGP

internal BGP

See IBGP

internal neighbors, BGP 37-46

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, 37-2

Intrusion Detection System

See IDS appliances

inventory management TLV 25-3, 25-7

IP ACLs

for QoS classification 34-8

implicit deny 33-10, 33-14

implicit masks 33-10

named 33-15

undefined 33-21

IP addresses

128-bit 38-2

candidate or member 5-3, 5-13

classes of 37-5

cluster access 5-2

command switch 5-3, 5-11, 5-13

default configuration 37-4

discovering 6-23

for IP routing 37-4

IPv6 38-2

MAC address association 37-8

monitoring 37-17

redundant clusters 5-11

standby command switch 5-11, 5-13

See also IP information

IP base image 1-1

IP broadcast address 37-15

ip cef distributed command 37-88

IP directed broadcasts 37-13

ip igmp profile command 22-24

IP information

assigned

manually 3-14

through DHCP-based autoconfiguration 3-3

default configuration 3-3

IP multicast routing

addresses

all-hosts 45-3

all-multicast-routers 45-3

host group address range 45-3

administratively-scoped boundaries, described 45-46

and IGMP snooping 22-1

Auto-RP

adding to an existing sparse-mode cloud 45-25

benefits of 45-25

clearing the cache 45-61

configuration guidelines 45-11

filtering incoming RP announcement messages 45-28

overview 45-6

preventing candidate RP spoofing 45-28

preventing join messages to false RPs 45-27

setting up in a new internetwork 45-25

using with BSR 45-33

bootstrap router

configuration guidelines 45-11

configuring candidate BSRs 45-31

configuring candidate RPs 45-32

defining the IP multicast boundary 45-30

defining the PIM domain border 45-29

overview 45-7

using with Auto-RP 45-33

Cisco implementation 45-1

configuring

basic multicast routing 45-11

IP multicast boundary 45-46

default configuration 45-10

enabling

multicast forwarding 45-12

PIM mode 45-12

group-to-RP mappings

Auto-RP 45-6

BSR 45-7

MBONE

deleting sdr cache entries 45-61

described 45-44

displaying sdr cache 45-62

enabling sdr listener support 45-45

limiting DVMRP routes advertised 45-56

limiting sdr cache entry lifetime 45-45

SAP packets for conference session announcement 45-45

Session Directory (sdr) tool, described 45-44

monitoring

packet rate loss 45-62

peering devices 45-62

tracing a path 45-62

multicast forwarding, described 45-7

PIMv1 and PIMv2 interoperability 45-10

protocol interaction 45-2

reverse path check (RPF) 45-7

routing table

deleting 45-61

displaying 45-61

RP

assigning manually 45-23

configuring Auto-RP 45-25

configuring PIMv2 BSR 45-29

monitoring mapping information 45-33

using Auto-RP and BSR 45-33

statistics, displaying system and network 45-61

See also CGMP

See also DVMRP

See also IGMP

See also PIM

IP phones

and QoS 12-1

automatic classification and queueing 34-21

configuring 12-4

ensuring port security with QoS 34-44

trusted boundary for QoS 34-44

IP Port Security for Static Hosts

on a Layer 2 access port 20-19

on a PVLAN host port 20-22

IP precedence 34-2

IP-precedence-to-DSCP map for QoS 34-69

IP protocols

in ACLs 33-12

routing 1-13

IP routes, monitoring 37-102

IP routing

connecting interfaces with 11-10

disabling 37-18

enabling 37-18

IP Service Level Agreements

See IP SLAs

IP service levels, analyzing 42-1

IP services image 1-1

IP SLAs

benefits 42-2

configuration guidelines 42-7

configuring object tracking 43-9

Control Protocol 42-4

default configuration 42-6

definition 42-1

ICMP echo operation 42-12

measuring network performance 42-3

monitoring 42-14

multioperations scheduling 42-5

object tracking 43-9

operation 42-3

reachability tracking 43-9

responder

described 42-4

enabling 42-8

response time 42-4

scheduling 42-5

SNMP support 42-2

supported metrics 42-2

threshold monitoring 42-6

track object monitoring agent, configuring 43-11

track state 43-9

UDP jitter operation 42-9

IP source guard

and 802.1x 20-18

and DHCP snooping 20-15

and EtherChannels 20-18

and port security 20-18

and private VLANs 20-18

and routed ports 20-17

and TCAM entries 20-18

and trunk interfaces 20-17

and VRF 20-18

binding configuration

automatic 20-15

manual 20-15

binding table 20-15

configuration guidelines 20-17

default configuration 20-17

described 20-15

disabling 20-19

displaying

active IP or MAC bindings 20-24

bindings 20-24

configuration 20-24

enabling 20-18, 20-19

filtering

source IP address 20-16

source IP and MAC address 20-16

source IP address filtering 20-16

source IP and MAC address filtering 20-16

static bindings

adding 20-18, 20-19

deleting 20-19

static hosts 20-19

IP traceroute

executing 48-17

overview 48-16

IP unicast routing

address resolution 37-8

administrative distances 37-90, 37-100

ARP 37-8

assigning IP addresses to Layer 3 interfaces 37-5

authentication keys 37-100

broadcast

address 37-15

flooding 37-16

packets 37-13

storms 37-13

classless routing 37-6

configuring static routes 37-89

default

addressing configuration 37-4

gateways 37-11

networks 37-91

routes 37-90

routing 37-2

directed broadcasts 37-13

disabling 37-18

dynamic routing 37-3

enabling 37-18

EtherChannel Layer 3 interface 37-3

IGP 37-24

inter-VLAN 37-2

IP addressing

classes 37-5

configuring 37-4

IPv6 38-3

IRDP 37-11

Layer 3 interfaces 37-3

MAC address and IP address 37-8

passive interfaces 37-98

protocols

distance-vector 37-3

dynamic 37-3

link-state 37-3

proxy ARP 37-8

redistribution 37-91

reverse address resolution 37-8

routed ports 37-3

static routing 37-3

steps to configure 37-4

subnet mask 37-5

subnet zero 37-6

supernet 37-6

UDP 37-14

with SVIs 37-3

See also BGP

See also EIGRP

See also OSPF

See also RIP

IPv4 ACLs

applying to interfaces 33-20

extended, creating 33-10

named 33-15

standard, creating 33-9

IPv4 and IPv6

dual protocol stacks 38-5

IPv6

ACLs

displaying 40-8

limitations 40-2

matching criteria 40-3

port 40-1

precedence 40-2

router 40-1

supported 40-2

addresses 38-2

address formats 38-2

applications 38-5

assigning address 38-11

autoconfiguration 38-5

CEFv6 38-18

configuring static routes 38-19

default configuration 38-10

default router preference (DRP) 38-4

defined 38-1

Enhanced Interior Gateway Routing Protocol (EIGRP) IPv6 38-7

EIGRP IPv6 Commands 38-8

Router ID 38-7

feature limitations 38-9

features not supported 38-9

forwarding 38-11

ICMP 38-4

monitoring 38-26

neighbor discovery 38-4

OSPF 38-7

path MTU discovery 38-4

SDM templates 7-2, 39-1, 40-1

Stateless Autoconfiguration 38-5

supported features 38-2

switch limitations 38-9

understanding static routes 38-6

IPv6 traffic, filtering 40-3

IRDP

configuring 37-12

definition 37-11

support for 1-14

IS-IS

addresses 37-63

area routing 37-63

default configuration 37-64

monitoring 37-72

show commands 37-72

system routing 37-63

ISL

and IPv6 38-3

and trunk ports 11-3

encapsulation 1-8

ISO CLNS

clear commands 37-72

dynamic routing protocols 37-62

monitoring 37-72

NETs 37-62

NSAPs 37-62

OSI standard 37-62

ISO IGRP

area routing 37-63

system routing 37-63

isolated port 15-2

isolated VLANs 15-2, 15-3

J

join messages, IGMP 22-3

K

KDC

described 8-39

See also Kerberos

Kerberos

authenticating to

boundary switch 8-41

KDC 8-41

network services 8-41

configuration examples 8-38

configuring 8-42

credentials 8-39

cryptographic software image 8-38

described 8-39

KDC 8-39

operation 8-41

realm 8-40

server 8-40

support for 1-11

switch as trusted third party 8-38

terms 8-39

TGT 8-40

tickets 8-39

key distribution center

See KDC

L

l2protocol-tunnel command 16-12

LACP

Layer 2 protocol tunneling 16-9

See EtherChannel

Layer 2 frames, classification with CoS 34-2

Layer 2 interfaces, default configuration 11-15

Layer 2 protocol tunneling

configuring 16-9

configuring for EtherChannels 16-13

default configuration 16-10

defined 16-8

guidelines 16-11

Layer 2 traceroute

and ARP 48-15

and CDP 48-15

broadcast traffic 48-15

described 48-15

IP addresses and subnets 48-15

MAC addresses and VLANs 48-15

multicast traffic 48-15

multiple devices on a port 48-16

unicast traffic 48-15

usage guidelines 48-15

Layer 3 features 1-13

Layer 3 interfaces

assigning IP addresses to 37-5

assigning IPv4 and IPv6 addresses to 38-14

assigning IPv6 addresses to 38-11

changing from Layer 2 mode 37-5, 37-80

types of 37-3

Layer 3 packets, classification methods 34-2

LDAP 4-2

Leaking IGMP Reports 19-3

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 17-7

Link Layer Discovery Protocol

See CDP

link local unicast addresses 38-3

link redundancy

See Flex Links

links, unidirectional 27-1

link state advertisements (LSAs) 37-29

link-state protocols 37-3

link-state tracking

configuring 35-23

described 35-21

LLDP

configuring 25-4

characteristics 25-6

default configuration 25-5

enabling 25-5

monitoring and maintaining 25-10

overview 25-1

supported TLVs 25-2

switch stack considerations 25-2

transmission timer and holdtime, setting 25-6

LLDP-MED

configuring

procedures 25-4

TLVs 25-7

monitoring and maintaining 25-10

overview 25-1, 25-2

supported TLVs 25-2

LLDP Media Endpoint Discovery

See LLDP-MED

load balancing 41-4

local SPAN 28-2

location TLV 25-3, 25-7

logging messages, ACL 33-8

login authentication

with RADIUS 8-28

with TACACS+ 8-14

login banners 6-10

log messages

See system message logging

Long-Reach Ethernet (LRE) technology 1-21

loop guard

described 18-9

enabling 18-15

support for 1-8

LRE profiles, considerations in switch clusters 5-14

M

MAB

See MAC authentication bypass

MAB aging timer 1-9

MAB inactivity timer

default setting 9-34

range 9-36

MAC/PHY configuration status TLV 25-2

MAC addresses

aging time 6-14

and VLAN association 6-13

building the address table 6-13

default configuration 6-14

disabling learning on a VLAN 6-22

discovering 6-23

displaying 6-23

displaying in the IP source binding table 20-24

dynamic

learning 6-13

removing 6-15

in ACLs 33-28

IP address association 37-8

static

adding 6-20

allowing 6-21, 6-22

characteristics of 6-19

dropping 6-21

removing 6-20

MAC address learning 1-6

MAC address learning, disabling on a VLAN 6-22

MAC address notification, support for 1-15

MAC address-table move update

configuration guidelines 19-8

configuring 19-12

default configuration 19-8

description 19-6

monitoring 19-14

MAC address-to-VLAN mapping 13-25

MAC authentication bypass 9-36

configuring 9-55

overview 9-16

See MAB

MAC extended access lists

applying to Layer 2 interfaces 33-29

configuring for QoS 34-51

creating 33-28

defined 33-28

for QoS classification 34-5

magic packet 9-26

manageability features 1-6

management access

in-band

browser session 1-6

CLI session 1-7

device manager 1-6

SNMP 1-7

out-of-band console port connection 1-7

management address TLV 25-2

management options

CLI 2-1

clustering 1-3

CNS 4-1

Network Assistant 1-2

overview 1-5

management VLAN

considerations in switch clusters 5-7

discovery through different management VLANs 5-7

mapping tables for QoS

configuring

CoS-to-DSCP 34-68

DSCP 34-68

DSCP-to-CoS 34-71

DSCP-to-DSCP-mutation 34-72

IP-precedence-to-DSCP 34-69

policed-DSCP 34-70

described 34-13

marking

action with aggregate policers 34-66

described 34-4, 34-9

matching

IPv6 ACLs 40-3

matching, IPv4 ACLs 33-7

maximum aging time

MSTP 17-23

STP 26-21

maximum hop count, MSTP 17-24

maximum number of allowed devices, port-based authentication 9-36

maximum-paths command 37-50, 37-89

MDA

configuration guidelines9-12to 9-13

described 1-10, 9-12

exceptions with authentication process 9-5

membership mode, VLAN port 13-3

member switch

automatic discovery 5-4

defined 5-2

managing 5-15

passwords 5-13

recovering from lost connectivity 48-11

requirements 5-3

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

memory consistency check errors

example 48-24

memory consistency check routines 1-5, 48-23

memory consistency integrity 1-5, 48-23

messages, to users through banners 6-10

metrics, in BGP 37-50

metric translations, between routing protocols 37-94

metro tags 16-2

MHSRP 41-4

MIBs

overview 31-1

SNMP interaction with 31-4

mirroring traffic for analysis 28-1

mismatches, autonegotiation 48-11

module number 11-10

monitoring

access groups 33-43

BGP 37-61

cables for unidirectional links 27-1

CDP 24-5

CEF 37-88

EIGRP 37-40

fallback bridging 47-10

features 1-15

Flex Links 19-14

HSRP 41-13

IEEE 802.1Q tunneling 16-17

IGMP

filters 22-28

snooping 22-15, 39-11

interfaces 11-31

IP

address tables 37-17

multicast routing 45-60

routes 37-102

IP SLAs operations 42-14

IPv4 ACL configuration 33-43

IPv6 38-26

IPv6 ACL configuration 40-8

IS-IS 37-72

ISO CLNS 37-72

Layer 2 protocol tunneling 16-17

MAC address-table move update 19-14

MSDP peers 46-18

multicast router interfaces 22-16, 39-11

multi-VRF CE 37-87

MVR 22-22

network traffic for analysis with probe 28-2

object tracking 43-12

OSPF 37-33

port

blocking 23-21

protection 23-21

private VLANs 15-14

RP mapping information 45-33

SFP status 11-31, 48-13

source-active messages 46-18

speed and duplex mode 11-19

SSM mapping 45-21

traffic flowing among switches 29-1

traffic suppression 23-20

tunneling 16-17

VLAN

filters 33-44

maps 33-44

VLANs 13-14

VMPS 13-29

VTP 14-16

mrouter Port 19-3

mrouter port 19-5

MSDP

benefits of 46-3

clearing MSDP connections and statistics 46-18

controlling source information

forwarded by switch 46-11

originated by switch 46-8

received by switch 46-13

default configuration 46-4

dense-mode regions

sending SA messages to 46-16

specifying the originating address 46-17

filtering

incoming SA messages 46-14

SA messages to a peer 46-12

SA requests from a peer 46-10

join latency, defined 46-6

meshed groups

configuring 46-15

defined 46-15

originating address, changing 46-17

overview 46-1

peer-RPF flooding 46-2

peers

configuring a default 46-4

monitoring 46-18

peering relationship, overview 46-1

requesting source information from 46-8

shutting down 46-15

source-active messages

caching 46-6

clearing cache entries 46-18

defined 46-2

filtering from a peer 46-10

filtering incoming 46-14

filtering to a peer 46-12

limiting data with TTL 46-13

monitoring 46-18

restricting advertised sources 46-9

support for 1-14

MSTP

boundary ports

configuration guidelines 17-15

described 17-6

BPDU filtering

described 18-3

enabling 18-12

BPDU guard

described 18-2

enabling 18-11

CIST, described 17-3

CIST regional root 17-3

CIST root 17-5

configuration guidelines 17-14, 18-10

configuring

forward-delay time 17-23

hello time 17-22

link type for rapid convergence 17-24

maximum aging time 17-23

maximum hop count 17-24

MST region 17-15

neighbor type 17-25

path cost 17-20

port priority 17-19

root switch 17-17

secondary root switch 17-18

switch priority 17-21

CST

defined 17-3

operations between regions 17-3

default configuration 17-14

default optional feature configuration 18-9

displaying status 17-26

enabling the mode 17-15

EtherChannel guard

described 18-7

enabling 18-14

extended system ID

effects on root switch 17-17

effects on secondary root switch 17-18

unexpected behavior 17-17

IEEE 802.1s

implementation 17-6

port role naming change 17-6

terminology 17-5

instances supported 26-9

interface state, blocking to forwarding 18-2

interoperability and compatibility among modes 26-10

interoperability with IEEE 802.1D

described 17-8

restarting migration process 17-25

IST

defined 17-2

master 17-3

operations within a region 17-3

loop guard

described 18-9

enabling 18-15

mapping VLANs to MST instance 17-16

MST region

CIST 17-3

configuring 17-15

described 17-2

hop-count mechanism 17-5

IST 17-2

supported spanning-tree instances 17-2

optional features supported 1-8

overview 17-2

Port Fast

described 18-2

enabling 18-10

preventing root switch selection 18-8

root guard

described 18-8

enabling 18-15

root switch

configuring 17-17

effects of extended system ID 17-17

unexpected behavior 17-17

shutdown Port Fast-enabled port 18-2

status, displaying 17-26

multiauth

support for inaccessible authentication bypass 9-24

multiauth mode

See multiple-authentication mode

multicast groups

Immediate Leave 22-5

joining 22-3

leaving 22-5

static joins 22-10, 39-7

multicast packets

ACLs on 33-42

blocking 23-8

multicast router interfaces, monitoring 22-16, 39-11

multicast router ports, adding 22-9, 39-8

Multicast Source Discovery Protocol

See MSDP

multicast storm 23-1

multicast storm-control command 23-4

multicast television application 22-17

multicast VLAN 22-17

Multicast VLAN Registration

See MVR

multidomain authentication

See MDA

multioperations scheduling, IP SLAs 42-5

multiple authentication 9-13

multiple authentication mode

configuring 9-42

Multiple HSRP

See MHSRP

multiple VPN routing/forwarding in customer edge devices

See multi-VRF CE

multi-VRF CE

configuration example 37-83

configuration guidelines 37-75

configuring 37-75

default configuration 37-75

defined 37-73

displaying 37-87

monitoring 37-87

network components 37-75

packet-forwarding process 37-74

support for 1-14

MVR

and address aliasing 22-19

and IGMPv3 22-20

configuration guidelines 22-19

configuring interfaces 22-21

default configuration 22-19

described 22-17

example application 22-17

modes 22-20

monitoring 22-22

multicast television application 22-17

setting global parameters 22-20

support for 1-4

N

NAC

AAA down policy 1-11

critical authentication 9-23, 9-52

IEEE 802.1x authentication using a RADIUS server 9-57

IEEE 802.1x validation using RADIUS server 9-57

inaccessible authentication bypass 1-11, 9-52

Layer 2 IEEE 802.1x validation 1-11, 9-28, 9-57

Layer 2 IP validation 1-11

named IPv4 ACLs 33-15

NameSpace Mapper

See NSM

native VLAN

and IEEE 802.1Q tunneling 16-4

configuring 13-20

default 13-20

NEAT

configuring 9-58

overview 9-30

neighbor discovery, IPv6 38-4

neighbor discovery/recovery, EIGRP 37-34

neighbors, BGP 37-56

Network Admission Control

NAC

Network Assistant

benefits 1-2

described 1-5

downloading image files 1-2

guide mode 1-2

management options 1-2

upgrading a switch A-23

wizards 1-2

network configuration examples

increasing network performance 1-20

large network 1-24

long-distance, high-bandwidth transport 1-26

providing network services 1-20

server aggregation and Linux server cluster 1-22

small to medium-sized network 1-23

network design

performance 1-20

services 1-20

Network Edge Access Topology

See NEAT

network management

CDP 24-1

RMON 29-1

SNMP 31-1

network performance, measuring with IP SLAs 42-3

network policy TLV 25-2, 25-7

Network Time Protocol

See NTP

no commands 2-4

nonhierarchical policy maps

configuration guidelines 34-39

described 34-10

non-IP traffic filtering 33-28

nontrunking mode 13-15

normal-range VLANs 13-4

configuration guidelines 13-6

configuring 13-4

defined 13-1

no switchport command 11-4

not-so-stubby areas

See NSSA

NSAPs, as ISO IGRP addresses 37-63

NSF Awareness

IS-IS 37-65

NSM 4-3

NSSA, OSPF 37-29

NTP

associations

defined 6-2

overview 6-2

stratum 6-2

support for 1-6

time

services 6-2

synchronizing 6-2

O

object tracking

HSRP 43-7

IP SLAs 43-9

IP SLAs, configuring 43-9

monitoring 43-12

off mode, VTP 14-3

online diagnostics

overview 49-1

running tests 49-3

understanding 49-1

open1x

configuring 9-63

open1x authentication

overview 9-29

Open Shortest Path First

See OSPF

optimizing system resources 7-1

options, management 1-5

OSPF

area parameters, configuring 37-29

configuring 37-27

default configuration

metrics 37-30

route 37-30

settings 37-25

described 37-24

for IPv6 38-7

interface parameters, configuring 37-28

LSA group pacing 37-32

monitoring 37-33

router IDs 37-32

route summarization 37-30

support for 1-13

virtual links 37-30

out-of-profile markdown 1-13

P

packet modification, with QoS 34-20

PAgP

Layer 2 protocol tunneling 16-9

See EtherChannel

parallel paths, in routing tables 37-89

passive interfaces

configuring 37-98

OSPF 37-31

passwords

default configuration 8-2

disabling recovery of 8-5

encrypting 8-3

for security 1-9

in clusters 5-13

overview 8-1

recovery of 48-3

setting

enable 8-3

enable secret 8-3

Telnet 8-6

with usernames 8-6

VTP domain 14-8

path cost

MSTP 17-20

STP 26-18

path MTU discovery 38-4

PBR

defined 37-95

enabling 37-96

fast-switched policy-based routing 37-98

local policy-based routing 37-98

PC (passive command switch) 5-10

peers, BGP 37-56

percentage thresholds in tracked lists 43-6

performance, network design 1-20

performance features 1-4

persistent self-signed certificate 8-49

per-user ACLs and Filter-Ids 9-8

per-VLAN spanning-tree plus

See PVST+

PE to CE routing, configuring 37-82

physical ports 11-2

PIM

default configuration 45-10

dense mode

overview 45-4

rendezvous point (RP), described 45-4

RPF lookups 45-8

displaying neighbors 45-62

enabling a mode 45-12

overview 45-3

router-query message interval, modifying 45-36

shared tree and source tree, overview 45-34

shortest path tree, delaying the use of 45-35

sparse mode

join messages and shared tree 45-4

overview 45-4

prune messages 45-5

RPF lookups 45-8

stub routing

configuration guidelines 45-22

displaying 45-61

enabling 45-22

overview 45-5

support for 1-14

versions

interoperability 45-10

troubleshooting interoperability problems 45-34

v2 improvements 45-4

PIM-DVMRP, as snooping method 22-8

ping

character output description 48-14

executing 48-13

overview 48-13

PoE

auto mode 11-8

CDP with power consumption, described 11-7

CDP with power negotiation, described 11-7

Cisco intelligent power management 11-7

configuring 11-21

devices supported 11-6

high-power devices operating in low-power mode 11-7

IEEE power classification levels 11-7

power budgeting 11-23

power consumption 11-23

powered-device detection and initial power allocation 11-7

power management modes 11-8

power negotiation extensions to CDP 11-7

standards supported 11-7

static mode 11-9

troubleshooting 48-11

policed-DSCP map for QoS 34-70

policers

configuring

for each matched traffic class 34-54

for more than one traffic class 34-66

described 34-4

displaying 34-86

number of 34-40

types of 34-10

policing

described 34-4

hierarchical

See hierarchical policy maps

token-bucket algorithm 34-10

policy-based routing

See PBR

policy maps for QoS

characteristics of 34-54

described 34-8

displaying 34-87

hierarchical 34-9

hierarchical on SVIs

configuration guidelines 34-39

configuring 34-58

described 34-12

nonhierarchical on physical ports

configuration guidelines 34-39

described 34-10

port ACLs

defined 33-2

types of 33-3

Port Aggregation Protocol

See EtherChannel

port-based authentication

accounting 9-15

authentication server

defined 9-3, 10-2

RADIUS server 9-3

client, defined 9-3, 10-2

configuration guidelines 9-34, 10-9

configuring

802.1x authentication 9-40

guest VLAN 9-49

host mode 9-42

inaccessible authentication bypass 9-52

manual re-authentication of a client 9-44

periodic re-authentication 9-43

quiet period 9-45

RADIUS server 9-42, 10-13

RADIUS server parameters on the switch 9-41, 10-11

restricted VLAN 9-50

switch-to-client frame-retransmission number 9-46, 9-47

switch-to-client retransmission time 9-45

violation modes 9-39

default configuration 9-33, 10-9

described 9-1

device roles 9-3, 10-2

displaying statistics 9-64, 10-17

downloadable ACLs and redirect URLs

configuring9-59to9-61, ??to 9-62

overview9-19to 9-21

EAPOL-start frame 9-5

EAP-request/identity frame 9-5

EAP-response/identity frame 9-5

enabling

802.1X authentication 10-11

encapsulation 9-3

flexible authentication ordering

configuring 9-62

overview 9-29

guest VLAN

configuration guidelines 9-22, 9-23

described 9-22

host mode 9-11

inaccessible authentication bypass

configuring 9-52

described 9-23

guidelines 9-36

initiation and message exchange 9-5

magic packet 9-26

maximum number of allowed devices per port 9-36

method lists 9-40

multiple authentication 9-13

per-user ACLs

AAA authorization 9-40

configuration tasks 9-19

described 9-18

RADIUS server attributes 9-18

ports

authorization state and dot1x port-control command 9-10

authorized and unauthorized 9-10

voice VLAN 9-25

port security

described 9-26

readiness check

configuring 9-37

described 9-16, 9-37

resetting to default values 9-64

statistics, displaying 9-64

switch

as proxy 9-3, 10-2

RADIUS client 9-3

switch supplicant

configuring 9-58

overview 9-30

upgrading from a previous release 34-34

user distribution

guidelines 9-28

overview 9-28

VLAN assignment

AAA authorization 9-40

characteristics 9-17

configuration tasks 9-18

described 9-17

voice aware 802.1x security

configuring 9-38

described 9-30, 9-38

voice VLAN

described 9-25

PVID 9-25

VVID 9-25

wake-on-LAN, described 9-26

with ACLs and RADIUS Filter-Id attribute 9-31

port-based authentication methods, supported 9-7

port blocking 1-4, 23-7

port-channel

See EtherChannel

port description TLV 25-2

Port Fast

described 18-2

enabling 18-10

mode, spanning tree 13-26

support for 1-8

port membership modes, VLAN 13-3

port priority

MSTP 17-19

STP 26-17

ports

access 11-3

blocking 23-7

dual-purpose uplink 11-6

dynamic access 13-3

IEEE 802.1Q tunnel 13-4

protected 23-6

routed 11-4

secure 23-8

static-access 13-3, 13-9

switch 11-2

trunks 13-3, 13-14

VLAN assignments 13-9

port security

aging 23-17

and private VLANs 23-18

and QoS trusted boundary 34-44

configuring 23-13

default configuration 23-11

described 23-8

displaying 23-21

enabling 23-18

on trunk ports 23-14

sticky learning 23-9

violations 23-10

with other features 23-11

port-shutdown response, VMPS 13-25

port VLAN ID TLV 25-2

power management TLV 25-2, 25-7

Power over Ethernet

See PoE

preemption, default configuration 19-7

preemption delay, default configuration 19-8

preferential treatment of traffic

See QoS

prefix lists, BGP 37-54

preventing unauthorized access 8-1

primary interface for object tracking, DHCP, configuring 43-10

primary interface for static routing, configuring 43-10

primary links 19-1

primary VLANs 15-1, 15-3

priority

HSRP 41-7

overriding CoS 12-6

trusting CoS 12-6

private VLAN edge ports

See protected ports

private VLANs

across multiple switches 15-4

and SDM template 15-4

and SVIs 15-5

benefits of 15-1

community ports 15-2

community VLANs 15-2, 15-3

configuration guidelines 15-6, 15-8

configuration tasks 15-6

configuring 15-9

default configuration 15-6

end station access to 15-3

IP addressing 15-3

isolated port 15-2

isolated VLANs 15-2, 15-3

mapping 15-13

monitoring 15-14

ports

community 15-2

configuration guidelines 15-8

configuring host ports 15-11

configuring promiscuous ports 15-12

described 13-4

isolated 15-2

promiscuous 15-2

primary VLANs 15-1, 15-3

promiscuous ports 15-2

secondary VLANs 15-2

subdomains 15-1

traffic in 15-5

privileged EXEC mode 2-2

privilege levels

changing the default for lines 8-9

command switch 5-15

exiting 8-9

logging into 8-9

mapping on member switches 5-15

overview 8-2, 8-7

setting a command with 8-8

promiscuous ports

configuring 15-12

defined 15-2

protected ports 1-9, 23-6

protocol-dependent modules, EIGRP 37-34

Protocol-Independent Multicast Protocol

See PIM

protocol storm protection 23-19

provider edge devices 37-73

proxy ARP

configuring 37-10

definition 37-8

with IP routing disabled 37-11

proxy reports 19-3

pruning, VTP

disabling

in VTP domain 14-14

on a port 13-20

enabling

in VTP domain 14-14

on a port 13-19

examples 14-6

overview 14-5

pruning-eligible list

changing 13-19

for VTP pruning 14-5

VLANs 14-14

PVST+

described 26-9

IEEE 802.1Q trunking interoperability 26-10

instances supported 26-9

Q

QoS

and MQC commands 34-1

auto-QoS

categorizing traffic 34-22

configuration and defaults display 34-36

configuration guidelines 34-33

described 34-21

disabling 34-35

displaying generated commands 34-35

displaying the initial configuration 34-36

effects on running configuration 34-33

list of generated commands 34-24, 34-28

basic model 34-4

classification

class maps, described 34-8

defined 34-4

DSCP transparency, described 34-46

flowchart 34-7

forwarding treatment 34-3

in frames and packets 34-3

IP ACLs, described 34-6, 34-8

MAC ACLs, described 34-5, 34-8

options for IP traffic 34-6

options for non-IP traffic 34-5

policy maps, described 34-8

trust DSCP, described 34-5

trusted CoS, described 34-5

trust IP precedence, described 34-5

class maps

configuring 34-52

displaying 34-86

configuration guidelines

auto-QoS 34-33

standard QoS 34-39

configuring

aggregate policers 34-66

auto-QoS 34-21

default port CoS value 34-44

DSCP maps 34-68

DSCP transparency 34-46

DSCP trust states bordering another domain 34-46

egress queue characteristics 34-78

ingress queue characteristics 34-74

IP extended ACLs 34-50

IP standard ACLs 34-49

MAC ACLs 34-51

policy maps, hierarchical 34-58

port trust states within the domain 34-42

trusted boundary 34-44

default auto configuration 34-22

default standard configuration 34-37

displaying statistics 34-86

DSCP transparency 34-46

egress queues

allocating buffer space 34-79

buffer allocation scheme, described 34-18

configuring shaped weights for SRR 34-83

configuring shared weights for SRR 34-84

described 34-4

displaying the threshold map 34-82

flowchart 34-18

mapping DSCP or CoS values 34-81

scheduling, described 34-4

setting WTD thresholds 34-79

WTD, described 34-19

enabling globally 34-41

flowcharts

classification 34-7

egress queueing and scheduling 34-18

ingress queueing and scheduling 34-16

policing and marking 34-11

implicit deny 34-8

ingress queues

allocating bandwidth 34-76

allocating buffer space 34-76

buffer and bandwidth allocation, described 34-17

configuring shared weights for SRR 34-76

configuring the priority queue 34-77

described 34-4

displaying the threshold map 34-75

flowchart 34-16

mapping DSCP or CoS values 34-74

priority queue, described 34-17

scheduling, described 34-4

setting WTD thresholds 34-74

WTD, described 34-17

IP phones

automatic classification and queueing 34-21

detection and trusted settings 34-21, 34-44

limiting bandwidth on egress interface 34-85

mapping tables

CoS-to-DSCP 34-68

displaying 34-86

DSCP-to-CoS 34-71

DSCP-to-DSCP-mutation 34-72

IP-precedence-to-DSCP 34-69

policed-DSCP 34-70

types of 34-13

marked-down actions 34-56, 34-62

marking, described 34-4, 34-9

overview 34-1

packet modification 34-20

policers

configuring 34-56, 34-62, 34-66

described 34-9

displaying 34-86

number of 34-40

types of 34-10

policies, attaching to an interface 34-9

policing

described 34-4, 34-9

token bucket algorithm 34-10

policy maps

characteristics of 34-54

displaying 34-87

hierarchical 34-9

hierarchical on SVIs 34-58

nonhierarchical on physical ports 34-54

QoS label, defined 34-4

queues

configuring egress characteristics 34-78

configuring ingress characteristics 34-74

high priority (expedite) 34-20, 34-85

location of 34-14

SRR, described 34-15

WTD, described 34-14

rewrites 34-20

support for 1-12

trust states

bordering another domain 34-46

described 34-5

trusted device 34-44

within the domain 34-42

quality of service

See QoS

queries, IGMP 22-4

query solicitation, IGMP 22-12

R

RADIUS

attributes

vendor-proprietary 8-36

vendor-specific 8-34

configuring

accounting 8-33

authentication 8-28

authorization 8-32

communication, global 8-26, 8-34

communication, per-server 8-26

multiple UDP ports 8-26

default configuration 8-25

defining AAA server groups 8-30

displaying the configuration 8-38

identifying the server 8-26

in clusters 5-14

limiting the services to the user 8-32

method list, defined 8-25

operation of 8-19

overview 8-18

server load balancing 8-38

suggested network environments 8-18

support for 1-11

tracking services accessed by user 8-33

RADIUS Change of Authorization 8-20

range

macro 11-13

of interfaces 11-12

rapid convergence 17-9

rapid per-VLAN spanning-tree plus

See rapid PVST+

rapid PVST+

described 26-9

IEEE 802.1Q trunking interoperability 26-10

instances supported 26-9

Rapid Spanning Tree Protocol

See RSTP

RARP 37-8

rcommand command 5-15

RCP

configuration files

downloading A-16

overview A-15

preparing the server A-15

uploading A-17

image files

deleting old image A-36

downloading A-34

preparing the server A-33

uploading A-36

reachability, tracking IP SLAs IP host 43-9

readiness check

port-based authentication

configuring 9-37

described 9-16, 9-37

reconfirmation interval, VMPS, changing 13-28

reconfirming dynamic VLAN membership 13-28

recovery procedures 48-1

redirect URL 9-19, 9-20, 9-59

redundancy

EtherChannel 35-3

HSRP 41-1

STP

backbone 26-8

path cost 13-23

port priority 13-21

redundant links and UplinkFast 18-13

redundant power system

See Cisco Redundant Power System 2300

reliable transport protocol, EIGRP 37-34

reloading software 3-21

Remote Authentication Dial-In User Service

See RADIUS

Remote Copy Protocol

See RCP

Remote Network Monitoring

See RMON

Remote SPAN

See RSPAN

remote SPAN 28-2

report suppression, IGMP

described 22-6

disabling 22-15, 39-11

resequencing ACL entries 33-15

reserved addresses in DHCP pools 20-26

resets, in BGP 37-49

resetting a UDLD-shutdown interface 27-6

responder, IP SLAs

described 42-4

enabling 42-8

response time, measuring with IP SLAs 42-4

restricted VLAN

configuring 9-50

described 9-23

using with IEEE 802.1x 9-23

restricting access

overview 8-1

passwords and privilege levels 8-2

RADIUS 8-17

TACACS+ 8-10

retry count, VMPS, changing 13-29

reverse address resolution 37-8

Reverse Address Resolution Protocol

See RARP

RFC

1058, RIP 37-18

1112, IP multicast and IGMP 22-2

1157, SNMPv1 31-2

1163, BGP 37-41

1166, IP addresses 37-5

1253, OSPF 37-24

1267, BGP 37-41

1305, NTP 6-2

1587, NSSAs 37-24

1757, RMON 29-2

1771, BGP 37-41

1901, SNMPv2C 31-2

1902 to 1907, SNMPv2 31-2

2236, IP multicast and IGMP 22-2

2273-2275, SNMPv3 31-2

RFC 5176 Compliance 8-21

RIP

advertisements 37-19

authentication 37-21

configuring 37-20

default configuration 37-19

described 37-19

for IPv6 38-7

hop counts 37-19

split horizon 37-22

summary addresses 37-22

support for 1-13

RMON

default configuration 29-3

displaying status 29-6

enabling alarms and events 29-3

groups supported 29-2

overview 29-1

statistics

collecting group Ethernet 29-5

collecting group history 29-5

support for 1-15

root guard

described 18-8

enabling 18-15

support for 1-8

root switch

MSTP 17-17

STP 26-14

route calculation timers, OSPF 37-31

route dampening, BGP 37-60

routed packets, ACLs on 33-42

routed ports

configuring 37-3

defined 11-4

in switch clusters 5-8

IP addresses on 11-26, 37-4

route-map command 37-97

route maps

BGP 37-52

policy-based routing 37-95

router ACLs

defined 33-2

types of 33-4

route reflectors, BGP 37-59

router ID, OSPF 37-32

route selection, BGP 37-50

route summarization, OSPF 37-30

route targets, VPN 37-75

routing

default 37-2

dynamic 37-3

redistribution of information 37-91

static 37-3

routing domain confederation, BGP 37-59

Routing Information Protocol

See RIP

routing protocol administrative distances 37-90

RPS

See Cisco Redundant Power System 2300

RPS 2300

See Cisco Redundant Power System 2300

RSPAN

characteristics 28-8

configuration guidelines 28-15

default configuration 28-9

defined 28-2

destination ports 28-7

displaying status 28-22

interaction with other features 28-8

monitored ports 28-5

monitoring ports 28-7

overview 1-15, 28-1

received traffic 28-4

sessions

creating 28-16

defined 28-3

limiting source traffic to specific VLANs 28-21

specifying monitored ports 28-16

with ingress traffic enabled 28-20

source ports 28-5

transmitted traffic 28-5

VLAN-based 28-6

RSTP

active topology 17-9

BPDU

format 17-12

processing 17-12

designated port, defined 17-9

designated switch, defined 17-9

interoperability with IEEE 802.1D

described 17-8

restarting migration process 17-25

topology changes 17-13

overview 17-8

port roles

described 17-9

synchronized 17-11

proposal-agreement handshake process 17-10

rapid convergence

described 17-9

edge ports and Port Fast 17-9

point-to-point links 17-10, 17-24

root ports 17-10

root port, defined 17-9

See also MSTP

running configuration

replacing A-18, A-19

rolling back A-18, A-20

running configuration, saving 3-15

S

SC (standby command switch) 5-10

scheduled reloads 3-21

scheduling, IP SLAs operations 42-5

SCP

and SSH 8-54

configuring 8-55

SDM

templates

configuring 7-4

number of 7-1

SDM template 40-3

configuration guidelines 7-3

configuring 7-3

dual IPv4 and IPv6 7-2

types of 7-1

secondary VLANs 15-2

Secure Copy Protocol

secure HTTP client

configuring 8-53

displaying 8-54

secure HTTP server

configuring 8-52

displaying 8-54

secure MAC addresses

deleting 23-16

maximum number of 23-10

types of 23-9

secure ports, configuring 23-8

secure remote connections 8-44

Secure Shell

See SSH

Secure Socket Layer

See SSL

security, port 23-8

security features 1-9

See SCP

sequence numbers in log messages 30-8

server mode, VTP 14-3

service-provider network, MSTP and RSTP 17-1

service-provider networks

and customer VLANs 16-2

and IEEE 802.1Q tunneling 16-1

Layer 2 protocols across 16-8

Layer 2 protocol tunneling for EtherChannels 16-9

set-request operation 31-4

setup program

failed command switch replacement 48-9

replacing failed command switch 48-8

severity levels, defining in system messages 30-8

SFPs

monitoring status of 11-31, 48-13

security and identification 48-12

status, displaying 48-13

shaped round robin

See SRR

show access-lists hw-summary command 33-22

show and more command output, filtering 2-9

show cdp traffic command 24-5

show cluster members command 5-15

show configuration command 11-24

show forward command 48-20

show interfaces command 11-19, 11-24

show interfaces switchport 19-4

show l2protocol command 16-13, 16-15

show lldp traffic command 25-11

show platform forward command 48-20

show platform tcam command 48-23

show running-config command

displaying ACLs 33-20, 33-21, 33-32, 33-35

interface description in 11-24

shutdown command on interfaces 11-32

shutdown threshold for Layer 2 protocol packets 16-11

Simple Network Management Protocol

See SNMP

small-frame arrival rate, configuring 23-5

smart logging 30-1, 30-13

SNAP 24-1

SNMP

accessing MIB variables with 31-4

agent

described 31-4

disabling 31-7

and IP SLAs 42-2

authentication level 31-10

community strings

configuring 31-8

for cluster switches 31-4

overview 31-4

configuration examples 31-17

default configuration 31-6

engine ID 31-7

groups 31-7, 31-9

host 31-7

ifIndex values 31-5

in-band management 1-7

in clusters 5-14

informs

and trap keyword 31-12

described 31-5

differences from traps 31-5

disabling 31-15

enabling 31-15

limiting access by TFTP servers 31-16

limiting system log messages to NMS 30-10

manager functions 1-5, 31-3

managing clusters with 5-15

notifications 31-5

overview 31-1, 31-4

security levels 31-2

setting CPU threshold notification 31-15

status, displaying 31-18

system contact and location 31-16

trap manager, configuring 31-13

traps

described 31-3, 31-5

differences from informs 31-5

disabling 31-15

enabling 31-12

enabling MAC address notification 6-15, 6-17, 6-18

overview 31-1, 31-4

types of 31-12

users 31-7, 31-9

versions supported 31-2

SNMP and Syslog Over IPv6 38-8

SNMPv1 31-2

SNMPv2C 31-2

SNMPv3 31-2

snooping, IGMP 22-1

software images

location in flash A-24

recovery procedures 48-2

scheduling reloads 3-21

tar file format, described A-24

See also downloading and uploading

source addresses

in IPv4 ACLs 33-12

in IPv6 ACLs 40-5

source-and-destination-IP address based forwarding, EtherChannel 35-8

source-and-destination MAC address forwarding, EtherChannel 35-8

source-IP address based forwarding, EtherChannel 35-8

source-MAC address forwarding, EtherChannel 35-7

Source-specific multicast

See SSM

SPAN

configuration guidelines 28-10

default configuration 28-9

destination ports 28-7

displaying status 28-22

interaction with other features 28-8

monitored ports 28-5

monitoring ports 28-7

overview 1-15, 28-1

ports, restrictions 23-12

received traffic 28-4

sessions

configuring ingress forwarding 28-14, 28-21

creating 28-11

defined 28-3

limiting source traffic to specific VLANs 28-14

removing destination (monitoring) ports 28-12

specifying monitored ports 28-11

with ingress traffic enabled 28-13

source ports 28-5

transmitted traffic 28-5

VLAN-based 28-6

spanning tree and native VLANs 13-16

Spanning Tree Protocol

See STP

SPAN traffic 28-4

split horizon, RIP 37-22

SRR

configuring

shaped weights on egress queues 34-83

shared weights on egress queues 34-84

shared weights on ingress queues 34-76

described 34-15

shaped mode 34-15

shared mode 34-15

support for 1-13

SSH

configuring 8-45

cryptographic software image 8-43

described 1-7, 8-44

encryption methods 8-44

user authentication methods, supported 8-44

SSL

configuration guidelines 8-50

configuring a secure HTTP client 8-53

configuring a secure HTTP server 8-52

cryptographic software image 8-48

described 8-48

monitoring 8-54

SSM

address management restrictions 45-15

CGMP limitations 45-15

components 45-13

configuration guidelines 45-15

configuring 45-13, 45-16

differs from Internet standard multicast 45-13

IGMP snooping 45-15

IGMPv3 45-13

IGMPv3 Host Signalling 45-14

IP address range 45-14

monitoring 45-16

operations 45-14

PIM 45-13

state maintenance limitations 45-15

SSM mapping 45-16

configuration guidelines 45-17

configuring 45-16, 45-19

DNS-based 45-18, 45-20

monitoring 45-21

overview 45-17

restrictions 45-17

static 45-18, 45-19

static traffic forwarding 45-21

stacks, switch

MSTP instances supported 26-9

standby command switch

configuring

considerations 5-11

defined 5-2

priority 5-10

requirements 5-3

virtual IP address 5-11

See also cluster standby group and HSRP

standby group, cluster

See cluster standby group and HSRP

standby ip command 41-6

standby links 19-1

standby router 41-2

standby timers, HSRP 41-10

startup configuration

booting

manually 3-18

specific image 3-19

clearing A-18

configuration file

automatically downloading 3-17

specifying the filename 3-17

static access ports

assigning to VLAN 13-9

defined 11-3, 13-3

static addresses

See addresses

static IP routing 1-14

static MAC addressing 1-9

static route primary interface,configuring 43-10

static routes

configuring 37-89

configuring for IPv6 38-19

understanding 38-6

static routing 37-3

static routing support, enhanced object tracking 43-10

static SSM mapping 45-18, 45-19

static traffic forwarding 45-21

static VLAN membership 13-2

statistics

802.1X 10-17

802.1x 9-64

CDP 24-5

interface 11-31

IP multicast routing 45-61

LLDP 25-10

LLDP-MED 25-10

NMSP 25-10

OSPF 37-33

QoS ingress and egress 34-86

RMON group Ethernet 29-5

RMON group history 29-5

SNMP input and output 31-18

VTP 14-16

sticky learning 23-9

storm control

configuring 23-3

described 23-1

disabling 23-5

displaying 23-21

support for 1-4

thresholds 23-1

STP

accelerating root port selection 18-4

BackboneFast

described 18-5

disabling 18-14

enabling 18-13

BPDU filtering

described 18-3

disabling 18-12

enabling 18-12

BPDU guard

described 18-2

disabling 18-12

enabling 18-11

BPDU message exchange 26-3

configuration guidelines 18-10, 26-12

configuring

forward-delay time 26-21

hello time 26-20

maximum aging time 26-21

path cost 26-18

port priority 26-17

root switch 26-14

secondary root switch 26-16

spanning-tree mode 26-13

switch priority 26-19

transmit hold-count 26-22

counters, clearing 26-22

default configuration 26-11

default optional feature configuration 18-9

designated port, defined 26-3

designated switch, defined 26-3

detecting indirect link failures 18-5

disabling 26-14

displaying status 26-22

EtherChannel guard

described 18-7

disabling 18-14

enabling 18-14

extended system ID

effects on root switch 26-14

effects on the secondary root switch 26-16

overview 26-4

unexpected behavior 26-15

features supported 1-8

IEEE 802.1D and bridge ID 26-4

IEEE 802.1D and multicast addresses 26-8

IEEE 802.1t and VLAN identifier 26-4

inferior BPDU 26-3

instances supported 26-9

interface state, blocking to forwarding 18-2

interface states

blocking 26-5

disabled 26-7

forwarding 26-5, 26-6

learning 26-6

listening 26-6

overview 26-4

interoperability and compatibility among modes 26-10

Layer 2 protocol tunneling 16-7

limitations with IEEE 802.1Q trunks 26-10

load sharing

overview 13-21

using path costs 13-23

using port priorities 13-21

loop guard

described 18-9

enabling 18-15

modes supported 26-9

multicast addresses, effect of 26-8

optional features supported 1-8

overview 26-2

path costs 13-23

Port Fast

described 18-2

enabling 18-10

port priorities 13-22

preventing root switch selection 18-8

protocols supported 26-9

redundant connectivity 26-8

root guard

described 18-8

enabling 18-15

root port, defined 26-3

root switch

configuring 26-15

effects of extended system ID 26-4, 26-14

election 26-3

unexpected behavior 26-15

shutdown Port Fast-enabled port 18-2

status, displaying 26-22

superior BPDU 26-3

timers, described 26-20

UplinkFast

described 18-3

enabling 18-13

VLAN-bridge 26-10

stratum, NTP 6-2

stub areas, OSPF 37-29

stub routing, EIGRP 37-39

subdomains, private VLAN 15-1

subnet mask 37-5

subnet zero 37-6

success response, VMPS 13-25

summer time 6-6

SunNet Manager 1-5

supernet 37-6

supported port-based authentication methods 9-7

SVI autostate exclude

configuring 11-27

defined 11-5

SVI link state 11-5

SVIs

and IP unicast routing 37-3

and router ACLs 33-4

connecting VLANs 11-9

defined 11-4

routing between VLANs 13-2

switch 38-2

switch clustering technology 5-1

See also clusters, switch

switch console port 1-7

Switch Database Management

See SDM

switched packets, ACLs on 33-40

Switched Port Analyzer

See SPAN

switched ports 11-2

switchport backup interface 19-4, 19-5

switchport block multicast command 23-8

switchport block unicast command 23-8

switchport command 11-15

switchport mode dot1q-tunnel command 16-6

switchport protected command 23-7

switch priority

MSTP 17-21

STP 26-19

switch software features 1-1

switch virtual interface

See SVI

synchronization, BGP 37-46

syslog

See system message logging

system capabilities TLV 25-2

system clock

configuring

daylight saving time 6-6

manually 6-4

summer time 6-6

time zones 6-5

displaying the time and date 6-4

overview 6-1

See also NTP

system description TLV 25-2

system message logging

default configuration 30-3

defining error message severity levels 30-8

disabling 30-4

displaying the configuration 30-16

enabling 30-4

facility keywords, described 30-13

level keywords, described 30-9

limiting messages 30-10

message format 30-2

overview 30-1

sequence numbers, enabling and disabling 30-8

setting the display destination device 30-5

synchronizing log messages 30-6

syslog facility 1-15

time stamps, enabling and disabling 30-7

UNIX syslog servers

configuring the daemon 30-12

configuring the logging facility 30-12

facilities supported 30-13

system MTU

and IS-IS LSPs 37-67

system MTU and IEEE 802.1Q tunneling 16-5

system name

default configuration 6-8

default setting 6-8

manual configuration 6-8

See also DNS

system name TLV 25-2

system prompt, default setting 6-7, 6-8

system resources, optimizing 7-1

system routing

IS-IS 37-63

ISO IGRP 37-63

T

TACACS+

accounting, defined 8-11

authentication, defined 8-11

authorization, defined 8-11

configuring

accounting 8-17

authentication key 8-13

authorization 8-16

login authentication 8-14

default configuration 8-13

displaying the configuration 8-17

identifying the server 8-13

in clusters 5-14

limiting the services to the user 8-16

operation of 8-12

overview 8-10

support for 1-11

tracking services accessed by user 8-17

tagged packets

IEEE 802.1Q 16-3

Layer 2 protocol 16-7

tar files

creating A-6

displaying the contents of A-6

extracting A-7

image file format A-24

TCAM

memory consistency check errors

example 48-24

memory consistency check routines 1-5, 48-23

memory consistency integrity 1-5, 48-23

space

HFTM 48-23

HQATM 48-23

unassigned 48-23

TCL script, registering and defining with embedded event manager 32-6

TDR 1-16

Telnet

accessing management interfaces 2-9

number of connections 1-7

setting a password 8-6

temporary self-signed certificate 8-49

Terminal Access Controller Access Control System Plus

See TACACS+

terminal lines, setting a password 8-6

ternary content addressable memory

See TCAM

TFTP

configuration files

downloading A-11

preparing the server A-10

uploading A-11

configuration files in base directory 3-7

configuring for autoconfiguration 3-7

image files

deleting A-27

downloading A-26

preparing the server A-25

uploading A-27

limiting access by servers 31-16

TFTP server 1-6

threshold, traffic level 23-2

threshold monitoring, IP SLAs 42-6

time

See NTP and system clock

Time Domain Reflector

See TDR

time-range command 33-17

time ranges in ACLs 33-17

time stamps in log messages 30-7

time zones 6-5

TLVs

defined 25-1

LLDP 25-2

LLDP-MED 25-2

Token Ring VLANs

support for 13-6

VTP support 14-4

ToS 1-12

traceroute, Layer 2

and ARP 48-15

and CDP 48-15

broadcast traffic 48-15

described 48-15

IP addresses and subnets 48-15

MAC addresses and VLANs 48-15

multicast traffic 48-15

multiple devices on a port 48-16

unicast traffic 48-15

usage guidelines 48-15

traceroute command 48-17

See also IP traceroute

tracked lists

configuring 43-3

types 43-3

tracked objects

by Boolean expression 43-4

by threshold percentage 43-6

by threshold weight 43-5

tracking interface line-protocol state 43-2

tracking IP routing state 43-2

tracking objects 43-1

tracking process 43-1

track state, tracking IP SLAs 43-9

traffic

blocking flooded 23-8

fragmented 33-5

fragmented IPv6 40-2

unfragmented 33-5

traffic policing 1-13

traffic suppression 23-1

transmit hold-count

see STP

transparent mode, VTP 14-3

trap-door mechanism 3-2

traps

configuring MAC address notification 6-15, 6-17, 6-18

configuring managers 31-12

defined 31-3

enabling 6-15, 6-17, 6-18, 31-12

notification types 31-12

overview 31-1, 31-4

troubleshooting

connectivity problems 48-13, 48-14, 48-16

CPU utilization 48-24

detecting unidirectional links 27-1

displaying crash information 48-22

PIMv1 and PIMv2 interoperability problems 45-34

setting packet forwarding 48-20

SFP security and identification 48-12

show forward command 48-20

with CiscoWorks 31-4

with debug commands 48-18

with ping 48-13

with system message logging 30-1

with traceroute 48-16

trunk failover

See link-state tracking

trunking encapsulation 1-8

trunk ports

configuring 13-17

defined 11-3, 13-3

encapsulation 13-22, 13-23

trunks

allowed-VLAN list 13-18

configuring 13-22, 13-23

load sharing

setting STP path costs 13-23

using STP port priorities 13-21, 13-22

native VLAN for untagged traffic 13-20

parallel 13-23

pruning-eligible list 13-19

to non-DTP device 13-15

trusted boundary for QoS 34-44

trusted port states

between QoS domains 34-46

classification options 34-5

ensuring port security for IP phones 34-44

support for 1-12

within a QoS domain 34-42

trustpoints, CA 8-48

tunneling

defined 16-1

IEEE 802.1Q 16-1

Layer 2 protocol 16-8

tunnel ports

defined 13-4

described 11-3, 16-1

IEEE 802.1Q, configuring 16-6

incompatibilities with other features 16-5

twisted-pair Ethernet, detecting unidirectional links 27-1

type of service

See ToS

U

UDLD

configuration guidelines 27-4

default configuration 27-4

disabling

globally 27-5

on fiber-optic interfaces 27-5

per interface 27-5

echoing detection mechanism 27-2

enabling

globally 27-5

per interface 27-5

Layer 2 protocol tunneling 16-10

link-detection mechanism 27-1

neighbor database 27-2

overview 27-1

resetting an interface 27-6

status, displaying 27-6

support for 1-7

UDP, configuring 37-14

UDP jitter, configuring 42-10

UDP jitter operation, IP SLAs 42-9

unauthorized ports with IEEE 802.1x 9-10

unicast MAC address filtering 1-6

and adding static addresses 6-21

and broadcast MAC addresses 6-20

and CPU packets 6-20

and multicast addresses 6-20

and router MAC addresses 6-20

configuration guidelines 6-20

described 6-20

unicast storm 23-1

unicast storm control command 23-4

unicast traffic, blocking 23-8

UniDirectional Link Detection protocol

See UDLD

UNIX syslog servers

daemon configuration 30-12

facilities supported 30-13

message logging configuration 30-12

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

upgrading software images

See downloading

UplinkFast

described 18-3

disabling 18-13

enabling 18-13

support for 1-8

uploading

configuration files

preparing A-10, A-12, A-15

reasons for A-8

using FTP A-14

using RCP A-17

using TFTP A-11

image files

preparing A-25, A-29, A-33

reasons for A-23

using FTP A-31

using RCP A-36

using TFTP A-27

User Datagram Protocol

See UDP

user EXEC mode 2-2

username-based authentication 8-6

V

VACL logging parameters 33-38

VACLs

logging

configuration example 33-39

version-dependent transparent mode 14-4

virtual IP address

cluster standby group 5-11

command switch 5-11

Virtual Private Network

See VPN

virtual router 41-1, 41-2

virtual switches and PAgP 35-5

vlan.dat file 13-5

VLAN 1, disabling on a trunk port 13-19

VLAN 1 minimization 13-18

VLAN ACLs

See VLAN maps

vlan-assignment response, VMPS 13-25

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 13-7

VLANs saved in 13-4

vlan dot1q tag native command 16-4

VLAN filtering and SPAN 28-6

vlan global configuration command 13-7

VLAN ID, discovering 6-23

VLAN link state 11-5

VLAN load balancing on flex links 19-2

configuration guidelines 19-8

VLAN management domain 14-2

VLAN Management Policy Server

See VMPS

VLAN map entries, order of 33-31

VLAN maps

applying 33-35

common uses for 33-35

configuration guidelines 33-31

configuring 33-30

creating 33-32

defined 33-2

denying access to a server example 33-36

denying and permitting packets 33-32

displaying 33-44

examples of ACLs and VLAN maps 33-33

removing 33-35

support for 1-10

wiring closet configuration example 33-36

VLAN membership

confirming 13-28

modes 13-3

VLAN Query Protocol

See VQP

VLANs

adding 13-8

adding to VLAN database 13-8

aging dynamic addresses 26-9

allowed on trunk 13-18

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

configuration guidelines, extended-range VLANs 13-11

configuration guidelines, normal-range VLANs 13-6

configuring 13-1

configuring IDs 1006 to 4094 13-11

connecting through SVIs 11-9

creating 13-8

customer numbering in service-provider networks 16-3

default configuration 13-7

deleting 13-9

described 11-2, 13-1

displaying 13-14

extended-range 13-1, 13-10

features 1-8

illustrated 13-2

internal 13-11

limiting source traffic with RSPAN 28-21

limiting source traffic with SPAN 28-14

modifying 13-8

multicast 22-17

native, configuring 13-20

normal-range 13-1, 13-4

number supported 1-8

parameters 13-5

port membership modes 13-3

static-access ports 13-9

STP and IEEE 802.1Q trunks 26-10

supported 13-2

Token Ring 13-6

traffic between 13-2

VLAN-bridge STP 26-10, 47-1

VTP modes 14-3

VLAN Trunking Protocol

See VTP

VLAN trunks 13-14

VMPS

administering 13-29

configuration example 13-30

configuration guidelines 13-26

default configuration 13-26

description 13-24

dynamic port membership

described 13-25

reconfirming 13-28

troubleshooting 13-30

entering server address 13-27

mapping MAC addresses to VLANs 13-25

monitoring 13-29

reconfirmation interval, changing 13-28

reconfirming membership 13-28

retry count, changing 13-29

voice aware 802.1x security

port-based authentication

configuring 9-38

described 9-30, 9-38

voice-over-IP 12-1

voice VLAN

Cisco 7960 phone, port connections 12-1

configuration guidelines 12-3

configuring IP phones for data traffic

override CoS of incoming frame 12-6

trust CoS priority of incoming frame 12-6

configuring ports for voice traffic in

802.1p priority tagged frames 12-5

802.1Q frames 12-4

connecting to an IP phone 12-4

default configuration 12-3

described 12-1

displaying 12-7

IP phone data traffic, described 12-2

IP phone voice traffic, described 12-2

VPN

configuring routing in 37-82

forwarding 37-75

in service provider networks 37-72

routes 37-73

VPN routing and forwarding table

See VRF

VQP 1-8, 13-24

VRF

defining 37-75

tables 37-72

VRF-aware services

ARP 37-79

configuring 37-78

ftp 37-81

HSRP 37-80

ping 37-79

RADIUS 37-80

SNMP 37-79

syslog 37-80

tftp 37-81

traceroute 37-81

VTP

adding a client to a domain 14-15

advertisements 13-16, 14-3, 14-4

and extended-range VLANs 13-3, 14-1

and normal-range VLANs 13-2, 14-1

client mode, configuring 14-11

configuration

guidelines 14-8

requirements 14-10

saving 14-8

configuration requirements 14-10

configuration revision number

guideline 14-15

resetting 14-16

consistency checks 14-4

default configuration 14-7

described 14-1

domain names 14-8

domains 14-2

Layer 2 protocol tunneling 16-7

modes

client 14-3

off 14-3

server 14-3

transitions 14-3

transparent 14-3

monitoring 14-16

passwords 14-8

pruning

disabling 14-14

enabling 14-14

examples 14-6

overview 14-5

support for 1-9

pruning-eligible list, changing 13-19

server mode, configuring 14-10, 14-13

statistics 14-16

support for 1-9

Token Ring support 14-4

transparent mode, configuring 14-10

using 14-1

Version

enabling 14-13

version, guidelines 14-9

Version 1 14-4

Version 2

configuration guidelines 14-9

overview 14-4

Version 3

overview 14-5

W

WCCP

authentication 44-3

configuration guidelines 44-5

default configuration 44-5

described 44-1

displaying 44-9

dynamic service groups 44-3

enabling 44-6

features unsupported 44-4

forwarding method 44-3

Layer-2 header rewrite 44-3

MD5 security 44-3

message exchange 44-2

monitoring and maintaining 44-9

negotiation 44-3

packet redirection 44-3

packet-return method 44-3

redirecting traffic received from a client 44-6

setting the password 44-6

unsupported WCCPv2 features 44-4

web authentication 9-16

configuring10-16to ??

described 1-9

web-based authentication

customizeable web pages 10-6

description 10-1

web-based authentication, interactions with other features 10-7

Web Cache Communication Protocol

See WCCP

weighted tail drop

See WTD

weight thresholds in tracked lists 43-5

wired location service

configuring 25-9

displaying 25-10

location TLV 25-3

understanding 25-3

wizards 1-2

WTD

described 34-14

setting thresholds

egress queue-sets 34-79

ingress queues 34-74

support for 1-13

X

Xmodem protocol 48-2