Table Of Contents

      

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

Index      

Numerics

802.10 SAID (default)7-3

802.1Q trunks12-11

802.1Q VLANs

encapsulation6-3

trunk restrictions6-4

A

AAA

reference to IOS documentation16-1

abbreviating commands2-5

access control entries

See ACEs

access control lists

See ACLs

access ports, configuring6-7

access VLANs6-6

ACEs16-1

ACLs16-1

CPU impact16-4

processing16-4

acronyms, list ofA-1

addresses

See IP addresses; MAC addresses

adjacency tables

description14-2

displaying statistics14-9

advertisements, VTP

See VTP advertisements

alarms

major22-2

minor22-2

audiencexiii

authentication, authorization, and accounting

See AAA

Auto-RP

configuring15-16

groups covered15-17

mapping agent15-17

See also RPs15-16

B

BackboneFast

configuring13-1, 13-10

link failure (figure)13-4, 13-5

see STP

understanding13-3

BGP1-5

blocking state (STP)

figure12-6

boot3-17

boot bootldr command3-17, 3-18

boot command3-14

boot fields

See configuration register boot fields

BOOTLDR environment variables

configuring3-18

description3-18

setting3-18

boot loader image

setting3-18

bootstrap router

See BSR

boot system, command3-13, 3-17

boot system flash, command3-14

Border Gateway Protocol

See BGP

BPDU Guard

configuring13-8

overview13-2

BPDUs12-2

bridge priority (STP)12-20

bridge protocol data units

See BPDUs

BSR

configuration considerations15-19

configuring15-21

PIM version 2 and15-18

using with Auto-RP15-22

burst rate20-31

burst size20-18

C

cautions for passwords

encrypting3-9

TACACS+3-8

CDP

configuration18-2

displaying configuration18-3

enabling on interfaces18-3

maintaining18-3

monitoring18-3

overview1-2, 18-1

cdp enable command18-3

CEF

adjacency tables14-2

configuring load balancing14-7

default configuration14-6

description1-6

disabling per-destination load balancing14-8

display statistics14-8

enabling14-7

hardware switching14-4

load balancing14-6

overview14-1

software switching14-4

CEF modes

not supported14-3

CGMP

overview17-1

channel-group group command11-5

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

class-map command20-19

class of service

See CoS

clear cdp counters command18-4

clear cdp table command18-3

clear counters command4-10

clearing

interface counters4-10

IP multicast table entries15-33

CLI

accessing2-1

backing out one level2-5

getting commands2-5

history substitution2-3

modes2-5

ROM monitor2-6

software basics2-4

command line processing2-3

command modes2-5

commands

listing2-5

community ports

description8-1

community VLANs

description8-2

config-register command3-15

config terminal command3-2

configuration files

saving3-3

configuration register

changing settings3-14to 3-15

configuring3-12

settings at startup3-14

configuration register boot fields

listing value3-15

modifying3-14

configure terminal command3-15, 4-2

configuring high priority queue20-32

console configuration mode2-5

console port

disconnecting user sessions5-5

monitoring user sessions5-4

copy running-config startup-config command3-3

copy station:running-config nvram:startup-config command3-17

CoS20-1

configuring port value20-28

definition20-3

CoS-to-DSCP maps20-32

counters

clearing on interfaces4-10

D

default gateway

configuring3-4

verifying configuration3-4

description command4-8

detecting unidirectional links19-1

DHCP server

overview1-8

Differentiated Services Code Point values

See DSCP values

DiffServ architecture, QoS20-1

dir command3-18

disabled state

figure12-10

disconnect command5-5

documentation

organizationxiii

relatedxiv

DSCP maps20-32

DSCP-to-CoS maps

configuring20-34

DSCP values20-2

configuring maps20-32

configuring port value20-29

definition20-3

mapping markdown20-15

mapping to transmit queues20-30

DTP

VLAN trunks and6-3

duplex command4-7

duplex mode

configuring interface4-6

Dynamic Trunking Protocol

See DTP

E

EGP1-5

EIGRP

description1-5

enable command3-2, 3-14

enable mode2-5

encapsulation types6-3

Enhanced Interior Gateway Routing Protocol

See EIGRP

environmental monitoring

LED indications22-2

SNMP traps22-2

supervisor engine22-2

switching modules22-2

using CLI commands22-1

environment variables3-17

See BOOTLDR environment variables; CONFIG_FILE environment variables

EtherChannel

channel-group group command11-5

configuration guidelines11-3

configuring11-4to 11-11

configuring Layer 211-7

configuring Layer 311-4

interface port-channel command11-5

modes11-2

overview11-1

physical interface configuration11-5

port-channel interfaces11-2

port-channel load-balance command11-9

removing11-11

removing interfaces11-10

Exterior Gateway Protocol

See EGP

F

FastDrop

overview15-10

fast drop

overview15-10

fast-leave processing

enabling17-6

FIB

description14-2

See also

MFIB

flags15-11

Flash memory

configuring router to boot from3-17

loading system images from3-16

security precautions3-16, 3-17

forward-delay time (STP)

configuring12-22

forwarding information base

See FIB

forwarding state

figure12-9

G

gateway

See default gateway

generic routing encapsulation tunneling

See GRE tunneling

global configuration mode2-5

GRE tunneling

alternative to IP multicast routing15-27

H

hardware switching14-5

hello time (STP)

configuring12-20

history

CLI2-3

Hot Standby Routing Protocol

See HSRP

HSRP

description1-6

I

ICMP

enabling5-8

ping5-5

running IP traceroute5-7

time exceeded messages5-7

IGMP

description15-2

enabling15-14

fast-leave processing17-2

overview17-1

IGMP snooping

configuration guidelines17-3

enabling17-4

IP multicast and15-3

overview17-1

IGRP

description1-5

interface command3-2, 4-1

interface port-channel command11-5

interface range command4-4

interface range macro command4-5

interfaces

adding descriptive name4-8

clearing counters4-10

configuration mode2-5

configuring4-2

configuring duplex mode4-6

configuring ranges4-4

configuring speed4-6

displaying information about4-9

Layer 2 modes6-4

maintaining4-9

monitoring4-9

naming4-8

numbers4-1

overview4-1

restarting4-10

See also Layer 2 interfaces

Interior Gateway Routing Protocol

See IGRP

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Inter-Switch Link encapsulation

See ISL encapsulation

IP

configuring default gateway3-4

configuring static routes3-5

displaying statistics14-8

ip cef command14-7

ip icmp rate-limit unreachable command5-8

ip load-sharing per-destination command14-8

ip mask-reply comand5-9

ip mroute command15-28

IP multicast

clearing table entries15-33

configuring15-12to 15-28

default configuration15-13

displaying group-to-RP mapping15-17

displaying PIM information15-28

enabling15-14

enabling dense-mode PIM15-14

enabling sparse-mode15-14

IGMP snooping and15-3, 17-3

join message15-3

monitoring15-28

mroute15-27

prune messages15-3

routing protocols15-2

shared tree15-24

source tree15-24

See also Auto-RP; IGMP; PIM; RP; RPF

ip multicast-routing command15-14

ip pim accept-rp command15-26

ip pim border command15-21

ip pim command15-14

ip pim dense-mode command15-14

ip pim query-interval command15-26

ip pim rp-address command15-26

ip pim rp-announce-filter command15-18

ip pim rpr-candidate command15-22

ip pim send-rp-announce command15-17

ip pim send-rp-discovery command15-17

ip pim sparse-dense-mode command15-15

ip pim spt-threshold command15-25

ip pim version command15-20

IP precedence20-2

ip redirects command5-9

IP routing tables

deleting entries15-33

IP statistics

displaying14-8

IP traceroute

executing5-7

overview5-6

IP unicast

displaying statistics14-8

ip unreachables command5-8

IPX

redistribution of route information with EIGRP1-5

ISL encapsulation6-3

isolated ports

description8-1

isolated VLANs

description8-2

J

join message15-3

K

keyboard shortcuts2-3

L

labels

definition20-3

Layer 2 access ports6-7

Layer 2 frames, classification with CoS20-1

Layer 2 interfaces

assigning VLANs7-8

configuring6-5

defaults6-4

disabling configuration6-9

modes6-4

show interfaces command6-6

Layer 2 switching

overview6-1

Layer 2 trunks

configuring6-5

overview6-2

Layer 3 packets, classification methods20-2

Layer 4 port operations (ACLs)16-2

learning state (STP)

figure12-8

leave processing, IGMP

See fast-leave processing

LEDs

description (table)22-2

listening state (STP)

figure12-7

load balancing

configuring11-9, 14-7

overview11-3, 14-6

per-destination14-7

login timer

changing5-4

logoutwarning command5-4

M

MAC addresses

allocating12-10

displaying5-3

mapping

DSCP markdown values20-15

DSCP values to transmit queues20-30

mapping 802.1Q VLANs to ISL VLANs7-8

mapping tables

configuring DSCP20-32

described20-12

maximum aging time (STP)12-21

MFIB

displaying15-31

overview15-11

modules

checking status5-1

mroute15-27

MTU size (default)7-3

multicast

See IP multicast

multicast routers

specifying port for17-6

N

native VLAN

specify6-6

network management

configuring18-1

Next Hop Resolution Protocol

See NHRP

NFFC/NFFC II

IGMP snooping and17-3

NHRP

support1-5

nonvolatile random-access memory

See NVRAM

NVRAM

saving settings3-3

O

OIR

overview4-9

online insertion and removal

See OIR

Open Shortest Path First

See OSPF

operating system images

See system images

OSPF

area concept1-5

description1-4

P

packets modifying20-14

PAgP

overview11-2

passwords

configuring enable password3-7

configuring enable secret3-7

encrypting3-9

recovering lost enable3-11

setting line password3-8

setting TACACS+3-8

PIM

configuring dense mode15-14

configuring sparse mode15-14

delaying use of shortest path tree15-25

designated routers15-26

enabling sparse-dense mode15-15

modifying router-query messages15-26

overview15-3

setting version15-20

See also

PIM version 2

PIM version 2

border15-21

configuring15-18to 15-23

defining domain border15-21

enabling sparse-dense mode15-21

prerequisites15-19

setting version15-20

troubleshooting15-23

ping5-5

executing5-6

overview5-5

ping command5-6, 15-28

police command20-23

policed-DSCP map20-33

policers

description20-5

number of20-10

types of20-9

policies

See QoS policies

policing

See QoS policing

policy-map command20-19, 20-21

policy maps

attaching to interfaces20-25

configuring20-21

Port Aggregation Protocol

See PAgP

port-based QoS features

See QoS

port-channel interfaces

See also EtherChannel

creating11-4

overview11-2

port-channel load-balance command11-9

port cost (STP)

configuring12-18

PortFast

configuring13-1, 13-7

see STP

understanding13-2

port priority (STP)12-17

ports

checking status5-2

community8-1

isolated8-1

private VLAN types8-1

See also interfaces

port states12-4to 12-10

port trust state

See trust states

power management

overview22-1

primary VLANs

description8-2

private VLANs

configuration guidelines8-2

configuring8-5

isolated VLANs8-2

overview8-1

privileged EXEC mode2-5

privileges

changing default3-10

configuring levels3-9

exiting3-10

logging in3-10

promiscuous ports

description8-1

protocol timers12-3

prune message15-3

pruning, VTP

See VTP pruning

Q

QoS

allocating bandwidth20-31

basic model20-5

burst size20-18

classification20-6to 20-9

configuration guidelines20-16

configuring DSCP maps20-32

configuring traffic shaping20-31

configuring VLAN-based20-26

creating policing rules20-19

default configuration20-15

definitions20-3

disabling on interfaces20-25

enabling on interfaces20-25

flowcharts20-7, 20-11

overview20-1

packet modification20-14

port-based20-25, 20-26

priority20-13

traffic shaping20-14

transmit rate20-31

VLAN-based20-26

See also COS; DSCP values; transmit queues

QoS labels (definition)20-3

QoS mapping tables

CoS-to-DSCP20-32

DSCP-to-CoS20-34

policed-DSCP20-33

types20-12

QoS marking

definition20-4

QoS policers

burst size20-18

numbers of20-10

types of20-9

QoS policies20-19

attaching to interfaces20-10

QoS policing

definition20-4

described20-5, 20-9

QoS transmit queues20-32

allocating bandwidth20-31

burst20-14

configuring20-29

configuring traffic shaping20-31

mapping DHCP values to20-30

maximum rate20-14

overview20-13

sharing link bandwidth20-13

Quality of Service

See QoS

queueing20-5, 20-13

R

range command4-4

range macros

defining4-5

ranges of interfaces

configuring4-4

related documentationxiv

reload command3-14, 3-15

rendezvous points

See RPs

reverse path forwarding

See RPF

RIP

description1-4

rommon, command3-15

ROM monitor

boot process and3-12

CLI2-6

root bridge (STP)

configuring12-13

root guard

enabling13-6

overview13-1

routers, multicast

See multicast routers

Routing Information Protocol

See RIP

RP

assigning to a group15-26

RPF

description15-25

RPs

adding default15-16

configuring addresses15-16

configuring candidate15-22

filtering RP announcements15-18

verifying mapping15-17

See also Auto-RPs

RPs monitoring mapping15-23

S

SAID

See 802.10 SAID

sample configuration3-3

scheduling20-13

defined20-4

overview20-5

secondary root switch12-15

secondary VLANs8-2

security

configuring16-1

Security Association Identifier

See 802.10 SAID

servers, VTP

See VTP servers

service-policy command20-19

service-policy input command20-25

shared tree

configuring thresholds15-25

figure15-24

overview15-24

shortest path tree

See shared tree

show adjacency command14-9

show boot command3-17

show bootvar command3-18

show cdp command18-2, 18-3

show cdp entry command18-4

show cdp interface command18-3

show cdp neighbors command18-4

show cdp traffic command18-4

show configuration command4-8

show debugging command18-4

show history command2-4

show interfaces command4-9

show interfaces status command5-2

show ip cef command14-8

show ip interface command15-28

show ip mroute command15-28

show ip pim bsr command15-23

show ip pim interface command15-28

show ip pim rp command15-17

show ip pim rp-hash command15-23

show mac-address-table address command5-3

show mac-address-table interface command5-3

show mls entry command14-8

show module command5-1, 12-10

show protocols command4-9

show running-config command3-3, 4-8

show startup-config command3-3

show users command5-4

show version command3-15

shutdown, command4-10

shutting down

interfaces4-10

slot numbers, description4-1

SNMP

documentation1-7

support1-7

software configuration register3-12

software switching

description14-5

interfaces14-6

source tree

configuring thresholds15-25

figure15-24

overview15-24

SPAN

configuration guidelines21-4

configuring21-4to 21-6

overview21-1

spanning-tree backbonefast command13-10

spanning-tree cost command12-19

spanning-tree guard root command13-6

spanning-tree portfast bpdu-guard command13-8

spanning-tree portfast command13-7

spanning-tree port-priority command12-17

Spanning Tree Protocol

See STP

spanning-tree uplinkfast command13-9

spanning-tree vlan command12-12

spanning-tree vlan cost command12-19

spanning-tree vlan forward-time command12-22

spanning-tree vlan hello-time command12-21

spanning-tree vlan max-age command12-21

spanning-tree vlan port-priority command12-17

spanning-tree vlan priority command12-20

spanning-tree vlan root primary command12-14

spanning-tree vlan root secondary command12-16

SPAN session21-2

speed

configuring interface4-6

speed command4-7

static route

IP multicast15-27

static routes

configuring3-5

verifying3-5

STP

configuring12-12to 12-23

creating topology12-3

defaults12-11

disabling12-22

enabling12-12

forward-delay time12-22

hello time12-20

maximum aging time12-21

overview12-1, 12-2

port cost12-18

port priority12-17

root bridge12-13

supervisor engine

configuring3-2to 3-6

default configuration3-1

default gateways3-4

environmental monitoring22-1

ROM monitor3-12

startup configuration3-12

static routes3-5

Switched Port Analyzer

See SPAN

switchport access vlan command6-6, 6-8

switchport mode access command6-8

switchport mode dynamic command6-6

switchport mode trunk command6-6

switch ports

See access ports

switchport trunk allowed vlan command6-6

switchport trunk encapsulation command6-6

switchport trunk encapsulation dot1q command6-3

switchport trunk encapsulation isl command6-3

switchport trunk encapsulation negotiate command6-3

switchport trunk native vlan command6-6

switchport trunk pruning vlan command6-6

syslog messages22-2

system

reviewing configuration3-3

settings at startup3-14

system images

loading from Flash memory3-16

modifying boot field3-14

specifying3-16

T

TACACS+

reference to Cisco IOS Security documentation16-1

setting passwords3-8

Telnet

accessing CLI2-2

disconnecting user sessions5-5

executing5-3

monitoring user sessions5-4

telnet command5-4

time exceeded messages5-7

timer

See login timer

Token Ring

media not supported (note)7-3, 9-3

ToS

definition20-3

trace command5-7

traceroute

See IP traceroute

traffic shaping20-14

translational bridge numbers (defaults)7-3

transmit queues

See QoS transmit queues

transmit rate20-31

trunks

802.1Q restrictions6-4

configuring6-5

configuring access VLANs6-6

configuring allowed VLANs6-6

default interface configuration6-5

different VTP domains6-3

enabling to non-DTP device6-4

encapsulation6-3

specifying native VLAN6-6

understanding6-2

trust states

configuring20-27

tunneling

See GRE tunneling

Type of Service

See ToS

U

UDLD

default configuration19-2

disabling19-3

enabling19-3

overview19-1

unicast

See IP unicast

UniDirectional Link Detection Protocol

See UDLD

UplinkFast

configuring13-8

overview13-2

user EXEC mode2-5

user sessions

disconnecting5-5

monitoring5-4

V

VACLs

Layer 4 port operations16-2

virtual LANs

See VLANs

vlan command7-6, 7-7

vlan database command7-7

VLANs

allowed on trunk6-6

configuration guidelines7-3

configuring7-5to 7-8

default configuration7-3

description1-3

IDs (default)7-3

interface assignment7-8

name (default)7-3

overview7-1

See also private VLANs

VLAN Trunk Protocol

See VTP

VLAN trunks

overview6-2

VTP

configuration guidelines9-5

configuring9-6to 9-10

configuring transparent mode9-9

default configuration9-6

disabling9-9

monitoring9-10

overview9-1

VTP advertisements9-3

VTP clients

configuring9-9

VTP domains9-2

VTP modes9-2

VTP pruning

enabling9-7

overview9-4

VTP servers

configuring9-8

VTP statistics9-10

VTP version 2

enabling9-7

overview9-3