Catalyst 4500 Series Switch Cisco IOS Software Configuration Guide, 12.2(31)SG
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Index         

Table Of Contents

         

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

Index         

Numerics

10/100 autonegotiation feature, forced5-8

10-Gigabit Ethernet port

deploy with Gigabit Ethernet SFP ports5-6

802.10 SAID (default)12-4

802.1Q

trunks15-6

tunneling

compatibility with other features19-5

defaults19-4

described19-2

tunnel ports with other features19-6

802.1Q VLANs

encapsulation13-3

trunk restrictions13-5

802.1s

See MST

802.1w

See MST

802.1X

See port-based authentication

802.1X authentication

for Critical Authentication30-10

for guest VLANs30-8

for MAC Authentication Bypass30-9

for Wake-on-LAN30-11

RADIUS accounting30-15

with port security30-13

with VLAN assignment30-6

with voice VLAN ports30-18

802.3ad

See LACP

A

AAA32-1

'aaa accounting dot1x default start-stop group radius' command, enable .1X accounting30-27

'aaa accounting system default start-stop group radius' command, enable .1X accounting30-27

'aaa authentication dot1x' command, create a .1X AAA authen method list30-22

'aaa authorization network group radius' command, configure for RADIUS authorization30-22

'aaa new-model' command, enable AAA30-22

allowing VLAN assignment30-22

default setting30-20

enabling .1X authentication30-21

enabling system accounting with .1X accounting30-17

logging update/watchdog packets30-17

abbreviating commands2-5

access control entries

See ACEs

access control entries and lists32-1

access list filtering, SPAN enhancement39-13

access lists

using with WCCP46-7

access ports

and Layer 2 protocol tunneling19-9

configure port security31-6, 31-21

configuring13-8

access VLANs13-6

accounting

configuring for 802.1X30-27

with TACACS+3-16, 3-21

ACEs

ACLs35-2

Ethernet35-2

IP35-2

Layer 4 operation restrictions35-9

ACEs and ACLs32-1

ACLs

ACEs35-2

and SPAN39-5

and TCAM programming35-6

applying on routed packets35-22

applying on switched packets35-21

compatibility on the same switch35-3

configuring with VLAN maps35-21

CPU impact35-11

hardware and software support35-5

IP, matching criteria for port ACLs35-4

MAC extended35-12

matching criteria for router ACLs35-3

port

and voice VLAN35-4

defined35-2

limitations35-4

processing35-11

troubleshooting48-1

types supported35-2

acronyms, list ofA-1

active queue management28-14

adding members to a community11-11

addresses

displaying the MAC address table4-30

dynamic

changing the aging time4-21

defined4-19

learning4-20

removing4-22

MAC, discovering4-30

See MAC addresses

static

adding and removing4-27

defined4-19

address resolution4-30

adjacency tables

description24-2

displaying statistics24-9

advertisements, VTP

See VTP advertisements

aging time

MAC address table4-21

alarms

major9-2

minor9-2

ARP

defined4-30

table

address resolution4-30

managing4-30

asymmetrical links, and 802.1Q tunneling19-4

audiencexxix

authentication

NTP associations4-4

See also port-based authentication

TACACS+

defined3-16

key3-18

login3-19

Authentication, Authorization, and Accounting (AAA)32-1

Authentication Failed VLAN assignment

configure with 802.1X30-35

authentication server

defined30-3

RADIUS server30-3

authoritative time source, described4-2

authorization

with TACACS+3-16, 3-21

authorized and unauthorized ports30-4

authorized ports with 802.1X30-4

autoconfiguration3-2

automatic discovery

considerations11-10

automatic QoS

See QoS

autonegotiation feature

forced 10/100Mbps5-8

Auto-QoS

configuring28-17

auto-sync command7-7

B

b44-3

BackboneFast

adding a switch (figure)16-3

and MST15-23

configuring16-15

link failure (figure)16-13, 16-14

not supported MST15-23

understanding16-12

See also STP

banners

configuring

login4-19

message-of-the-day login4-18

default configuration4-18

when displayed4-17

b flash command44-3

BGP1-7

routing session with multi-VRF CE27-7

blocking packets37-1

blocking state (STP)

RSTP comparisons (table)15-24

boot bootldr command3-31

boot command3-27

boot commands44-3

boot fields

See configuration register boot fields

bootstrap program

See ROM monitor

boot system command3-26, 3-31

boot system flash command3-28

Border Gateway Protocol

See BGP

boundary ports

description15-27

BPDU Guard

and MST15-23

configuring16-15

overview16-7

BPDUs

and media speed15-2

pseudobridges and15-25

what they contain15-3

bridge ID

See STP bridge ID

bridge priority (STP)15-16

bridge protocol data units

See BPDUs

broadcast storm control

disabling38-4

BSR

configuration example25-21

burst rate28-51

burst size28-28

C

cache engine clustersxxxi, 46-1

cache enginesxxxi, 46-1

cache farms

See cache engine clusters

candidates

automatic discovery11-10

candidate switch, cluster

defined11-15

requirements11-15

cautions for passwords

encrypting3-22

CDP

and trusted boundary28-26

automatic discovery in communities11-10

configuration20-2

displaying configuration20-3

enabling on interfaces20-3

Layer 2 protocol tunneling19-7

maintaining20-3

monitoring20-3

overview1-2, 20-1

cdp enable command20-3

CEF

adjacency tables24-2

and NSF with SSO8-5

configuring load balancing24-7

displaying statistics24-8

enabling24-6

hardware switching24-4

load balancing24-6

overview24-1

software switching24-4

CGMP

overview18-1

channel-group group command17-7, 17-10

Cisco 7600 series Internet router

enabling SNMP47-16

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco IOS NSF-aware

support8-2

Cisco IOS NSF-capable support8-2

Cisco IP Phones

configuring29-2

sound quality29-1

CiscoWorks 200041-4

CIST

description15-22

class-map command28-30

class of service

See CoS

clear cdp counters command20-4

clear cdp table command20-3

clear counters command5-17

clearing

IP multicast table entries25-20

clear ip eigrp neighbors command23-11

clear ip flow stats command42-9

CLI

accessing2-1

backing out one level2-5

getting commands2-5

history substitution2-3

managing clusters11-15

modes2-5

monitoring environments39-1

ROM monitor2-7

software basics2-4

clients

in 802.1X authentication30-2

clock

See system clock

clustering switches

command switch characteristics11-14, 11-15

and VTY11-14

convert to a community11-12

managing

through CLI11-15

overview11-13

planning considerations

CLI11-15

passwords11-11

command-line processing2-3

command modes2-5

commands

b flash44-3

boot44-3

confreg44-3

dev44-3

dir device44-3

frame44-5

i44-3

listing2-5

meminfo44-5

reset44-3

ROM monitor44-2to 44-3

ROM monitor debugging44-5

SNMP47-16

sysret44-5

command switch, cluster

requirements11-14

common and internal spanning tree

See CIST

common spanning tree

See CST

community of switches

access modes in Network Assistant11-11

adding devices11-11

candidate characterisitcs11-9

communication protocols11-11

community name11-10

configuration information11-11

converting from a cluster11-12

host name11-10

passwords11-11

community ports36-4

community strings

configuring41-7

overview41-4

community VLANs36-3, 36-4

and SPAN features36-11

configure as a PVLAN36-12

compiling MIBs47-16

config-register command3-28

config terminal command3-9

configurable leave timer,IGMP18-3

configuration examples

SNMP41-15

configuration files

limiting TFTP server access41-15

obtaining with DHCP3-6

saving3-10

system contact and location information41-14

configuration guidelines

SNMP41-6

configuration register

boot fields

listing value3-29

modifying3-28

changing from ROM monitor44-3

changing settings3-28to 3-29

configuring3-26

settings at startup3-27

configure terminal command3-28, 5-2

confreg command44-3

console configuration mode2-5

console download44-4to 44-5

console port

disconnecting user sessions6-6

monitoring user sessions6-6

control plane policing

See CoPP

CoPP

applying QoS service policy to control plane32-3

configuring

ACLs to match traffic32-3

enabling MLS QoS32-3

packet classification criteria32-3

service-policy map32-3

control plane configuration mode

entering32-3

displaying

dynamic information32-7

number of conforming bytes and packets32-7

rate information32-7

entering control plane configuration mode32-3

monitoring statistics32-7

overview32-1

copy running-config startup-config command3-10

copy system:running-config nvram:startup-config command3-31

CoS

configuring port value28-47

definition28-3

figure28-2

overriding on Cisco IP Phones29-4

priority29-4

CoS-to-DSCP maps28-52

counters

clearing MFIB25-20

clearing on interfaces5-17

CPU port sniffing39-10

Critical Authentication

configure with 802.1X30-32

CST

description15-25

IST and15-22

MST and15-22

customer edge devices27-2

D

daylight saving time4-13

debug commands, ROM monitor44-5

default configuration

802.1X30-20

auto-QoS28-17

banners4-18

DNS4-16

IGMP filtering18-18

Layer 2 protocol tunneling19-9

MAC address table4-21

multi-VRF CE27-4

NTP4-4

private VLANs36-10

RMON43-3

SNMP41-6

SPAN and RSPAN39-6

system message logging40-3

system name and prompt4-15

TACACS+3-18

default gateway

configuring3-11

verifying configuration3-11

default settings, erase commad3-31

deploying 10-Gigabit Ethernet and a Gigabit Ethernet SFP ports5-6

description command5-10

detecting unidirectional links21-1

dev command44-3

DHCP-based autoconfiguration

client request message exchange3-3

configuring

client side3-3

DNS3-5

relay device3-5

server-side3-4

TFTP server3-4

example3-7

lease options

for IP address information3-4

for receiving the configuration file3-4

overview3-2

relationship to BOOTP3-3

DHCP snooping

configuring33-3

default configuration33-3

displaying binding tables33-10

displaying configuration33-11

enabling33-4

enabling on private VLAN33-6

enabling the database agent33-6

monitoring33-10, 33-13, 33-14

overview33-1

Snooping database agent33-2

DHCP Snooping Database Agent

adding to the database (example)33-9

enabling (example)33-7

overview33-2

reading from a TFTP file (example)33-8

Diagnostics

online45-1

troubleshooting45-2

Power-On-Self-Test

causes of failure45-13

how it works45-3

overview45-3

Power-On-Self-Test for Supervisor Engine V-10GE45-7

Differentiated Services Code Point values

See DSCP values

DiffServ architecture, QoS28-2

Digital optical monitoring transceiver support5-7

dir device command44-3

disabled state

RSTP comparisons (table)15-24

disabling

broadcast storm control38-4

disconnect command6-6

discovery, clusters

See automatic discovery

DNS

and DHCP-based autoconfiguration3-5

default configuration4-16

displaying the configuration4-17

overview4-15

setting up4-16

documentation

organizationxxix

relatedxxxii

domain names

DNS4-15

Domain Name System

See DNS

double-tagged packets

802.1Q tunneling19-2

Layer 2 protocol tunneling19-9

downloading MIBs47-14, 47-15

drop threshold for Layer 2 protocol packets19-9

DSCP maps28-52

DSCP-to-CoS maps

configuring28-54

DSCP values

configuring maps28-52

configuring port value28-48

definition28-4

IP precedence28-2

mapping markdown28-24

mapping to transmit queues28-49

DTP

VLAN trunks and13-3

duplex command5-9

duplex mode

configuring interface5-8

dynamic ARP inspection

ARP cache poisoning34-2

configuring

ACLs for non-DHCP environments34-10

in DHCP environments34-5

log buffer34-14

rate limit for incoming ARP packets34-16

denial-of-service attacks, preventing34-16

interface trust state, security coverage34-3

log buffer

configuring34-14

logging of dropped packets34-4

overview34-1

port channels, their behavior34-4

priority of static bindings34-4

purpose of34-2

rate limiting of ARP packets34-4

configuring34-16

validation checks, performing34-18

Dynamic Host Configuration Protocol snooping

See DHCP snooping

dynamic port VLAN membership

example12-26

limit on hosts12-25

reconfirming12-23

troubleshooting12-25

Dynamic Trunking Protocol

See DTP

E

EAP frames

changing retransmission time30-40

exchanging (figure)30-4, 30-6, 30-10

request/identity30-3

response/identity30-3

setting retransmission number30-41

EAPOL frames

802.1X authentication and30-3

OTP authentication, example (figure)30-4, 30-6, 30-10

start30-3

edge ports

description15-27

EGP

overview1-7

EIGRP (Enhanced IGRP)

stub routing

benefits23-10

configuration tasks23-10

configuring23-6

overview23-6

restrictions23-10

verifying23-11

EIGRP (enhanced IGRP)

overview1-7

eigrp stub command23-11

Embedded CiscoView

displaying information11-26

installing and configuring11-24

overview11-23

enable command3-9, 3-28

enable mode2-5

enabling SNMP47-16

encapsulation types13-3

Enhanced Interior Gateway Routing Protocol

See EIGRP

environmental monitoring

LED indications9-2

SNMP traps9-2

supervisor engine9-2

switching modules9-2

using CLI commands9-1

EtherChannel

channel-group group command17-7, 17-10

configuration guidelines17-5

configuring17-6to 17-14

configuring Layer 217-9

configuring Layer 317-6

interface port-channel command17-7

lacp system-priority

command example17-12

modes17-3

overview17-1

PAgP

Understanding17-3

physical interface configuration17-7

port-channel interfaces17-2

port-channel load-balance command17-12

removing17-14

removing interfaces17-13

explicit host tracking

enabling18-10

extended range VLANs

See VLANs

Extensible Authentication Protocol over LAN30-1

Exterior Gateway Protocol

See EGP

F

FastDrop

clearing entries25-20

displaying entries25-19

overview25-10

FIB

description24-2

See also MFIB

filtering

in a VLAN35-14

non-IP traffic35-12

flags25-11

Flash memory

configuring router to boot from3-30

loading system images from3-30

security precautions3-30

flooded traffic, blocking37-2

flow control, configuring5-11

forward-delay time (STP)

configuring15-18

forwarding information base

See FIB

frame command44-5

G

gateway

See default gateway

get-bulk-request operation41-3

get-next-request operation41-3, 41-4

get-request operation41-3, 41-4

get-response operation41-3

Gigabit Ethernet SFP ports

deploy with 10-Gigabit Ethernet5-6

global configuration mode2-5

Guest-VLANs

configure with 802.1X30-28, 30-36

H

hardware and software ACL support35-5

hardware switching24-5

hello time (STP)

configuring15-17

high CPU, troubleshooting48-3

history

CLI2-3

history table, level and number of syslog messages40-9

hop counts

configuring MST bridges15-28

host

configuring host statically18-10

limit on dynamic port12-25

host ports

kinds of36-4

Hot Standby Routing Protocol

See HSRP

HSRP

description1-6

hw-module module num power command9-17

I

ICMP

enabling6-11

ping6-7

running IP traceroute6-8

time exceeded messages6-8

i command44-3

IDS

using with SPAN and RSPAN39-2

IEEE 802.1s

See MST

IEEE 802.1w

See MST

IEEE 802.3ad

See LACP

IGMP

configurable leave timer

enabling18-8

configurable-leave timer18-3

description25-3

enabling25-13

explicit host tracking18-4, 18-10

immediate-leave processing18-3

overview18-1

IGMP filtering

configuring18-18

default configuration18-18

described18-18

monitoring18-21

IGMP groups

setting the maximum number18-20

IGMP Immediate Leave

configuration guidelines18-8

IGMP profile

applying18-19

configuration mode18-18

configuring18-19

IGMP snooping

configuration guidelines18-4

enabling18-5, 18-6

IP multicast and25-4

monitoring18-13

overview18-1

IGRP

description1-7

immediate-leave processing

enabling18-8

IGMP

See fast-leave processing

ingress packets, SPAN enhancement39-12

inline power

configuring on Cisco IP phones29-5

insufficient inline power handling for Supervisor Engine II-TS9-15

Intelligent Power Management10-4

interface command3-9, 5-1

interface port-channel command17-7

interface range command5-4

interface range macro command5-5

interfaces

adding descriptive name5-10

clearing counters5-17

configuring5-2

configuring ranges5-4

displaying information about5-16

Layer 2 modes13-4

maintaining5-16

monitoring5-16

naming5-10

numbers5-2

overview5-1

restarting5-17

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

Intrusion Detection System

See IDS

IP

configuring default gateway3-11

configuring static routes3-11

displaying statistics24-8

flow switching cache42-9

IP addresses

cluster candidate or member11-15

cluster command switch11-14

discovering4-30

ip cef command24-6

IP Enhanced IGRP

interfaces, displaying23-11

ip flow-aggregation cache destination-prefix command42-11

ip flow-aggregation cache prefix command42-11

ip flow-aggregation cache source-prefix command42-12

ip flow-export command42-9

ip icmp rate-limit unreachable command6-12

ip igmp profile command18-18

ip igmp snooping tcn flood command18-12

ip igmp snooping tcn flood query count command18-12

ip igmp snooping tcn query solicit command18-13

IP information

assigned

through DHCP-based autoconfiguration3-2

ip load-sharing per-destination command24-7

ip local policy route-map command26-5

ip mask-reply command6-13

IP multicast

clearing table entries25-20

configuring25-12

default configuration25-13

displaying PIM information25-15

displaying the routing table information25-16

enabling25-13

enabling dense-mode PIM25-14

enabling sparse-mode25-14

features not supported25-12

hardware forwarding25-8

IGMP snooping and18-4, 25-4

monitoring25-15

overview25-1

routing protocols25-2

software forwarding25-8

troubleshooting48-4

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

ip multicast-routing command25-13

IP phones

automatic classification and queueing28-17

configuring voice ports29-3

See Cisco IP Phones29-1

trusted boundary for QoS28-26

ip pim command25-14

ip pim dense-mode command25-14

ip pim sparse-dense-mode command25-15

ip policy route-map command26-4

ip redirects command6-12

ip route-cache flow command42-7

IP routing tables

deleting entries25-20

IP Source Guard

configuring33-12

configuring on private VLANs33-13

displaying33-13, 33-14

overview33-11

IP statistics

displaying24-8

IP traceroute

executing6-8

overview6-8

IP unicast

displaying statistics24-8

troubleshooting48-10

ip unreachables command6-11

IPX

redistribution of route information with EIGRP1-7

ISL

encapsulation13-3

trunking with 802.1Q tunneling19-4

isolated port36-4

isolated VLANs36-3, 36-4

IST

and MST regions15-22

description15-22

master15-27

J

jumbo frames

and ethernet ports5-14

configuring MTU sizes for5-15

ports and linecards that support5-13

VLAN interfaces5-14

K

keyboard shortcuts2-3

L

l2protocol-tunnel command19-11

labels, definition28-3

LACP

system ID17-4

Layer 2 access ports13-8

Layer 2 frames

classification with CoS28-2

Layer 2 interfaces

assigning VLANs12-8

configuring13-5

configuring as PVLAN host ports36-16

configuring as PVLAN promiscuous ports36-14

configuring as PVLAN trunk ports36-17

defaults13-5

disabling configuration13-9

modes13-4

show interfaces command13-7

Layer 2 interface type

resetting36-21

setting36-21

Layer 2 protocol tunneling

configuring19-9

default configuration19-9

defined19-7

guidelines19-10

Layer 2 switching

overview13-1

Layer 2 Traceroute

and ARP6-10

and CDP6-9

host-to-host paths6-9

IP addresses and subnets6-10

MAC addresses and VLANs6-10

multicast traffic6-10

multiple devices on a port6-10

unicast traffic1-18, 6-9

usage guidelines6-9

Layer 2 trunks

configuring13-6

overview13-3

Layer 3 packets

classification methods28-2

Layer 4 port operations

configuration guidelines35-10

restrictions35-9

LEDs

description (table)9-2

listening state (STP)

RSTP comparisons (table)15-24

load balancing

configuring for CEF24-7

configuring for EtherChannel17-12

overview17-5, 24-6

per-destination24-7

login authentication

with TACACS+3-19

login banners4-17

login timer

changing6-5

log messages

See system message logging

logoutwarning command6-6

loop guard

and MST15-23

configuring16-4

overview16-3

M

MAC addresses

aging time4-21

allocating15-5

and VLAN association4-20

building tables4-20, 13-2

convert dynamic to sticky secure31-5

default configuration4-21

discovering4-30

displaying4-30, 6-3

displaying in DHCP snooping binding table33-11

dynamic

learning4-20

removing4-22

in ACLs35-12

static

adding4-28

allowing4-29

characteristics of4-27

dropping4-29

removing4-28

sticky31-4

sticky secure, adding31-5

MAC Authentication Bypass

configure with 802.1X30-31

MAC extended access lists35-12

macros

See Smartports macros

main-cpu command7-7

management options

SNMP41-1

mapping

DSCP markdown values28-24

DSCP values to transmit queues28-49

mapping tables

configuring DSCP28-52

described28-14

mask destination command42-11

mask source command42-11, 42-12

match ip address command26-3

maximum aging time (STP)

configuring15-18

members

automatic discovery11-10

member switch

managing11-15

member switch, cluster

defined11-14

requirements11-15

meminfo command44-5

messages, to users through banners4-17

metro tags19-2

MFIB

CEF25-5

displaying25-18

overview25-11

MIBs

compiling47-16

downloading47-14, 47-15

overview41-1

related information47-15

SNMP interaction with41-4

modules

checking status6-1

powering down9-17

monitoring

802.1Q tunneling19-12

ACL information35-29

IGMP filters18-21

IGMP snooping18-13

Layer 2 protocol tunneling19-12

multi-VRF CE27-12

private VLANs36-21

traffic flowing among switches43-1

tunneling19-12

VLAN filters35-20

VLAN maps35-20

M-record15-23

MST

and multiple spanning trees1-3, 15-22

boundary ports15-27

BPDUs15-23

configuration parameters15-26

configuring15-29

displaying configurations15-34

edge ports15-27

enabling15-29

hop count15-28

instances

configuring parameters15-33

description15-22

number supported15-26

interoperability with PVST+15-23

link type15-28

master15-27

message age15-28

regions15-26

restrictions15-29

to-SST interoperability15-24

MSTP

M-record15-23

M-tree15-23

M-tree15-23

MTU size

configuring5-15, 5-18, 5-19

default12-4

multicast

See IP multicast

multicast packets

blocking37-2

multicast routers

displaying routing tables25-16

flood suppression18-10

Multicast Storm Control

overview38-6

suppression on WS-X401438-7

suppression on WS-X401638-6

multiple forwarding paths1-3, 15-22

Multiple Spanning Tree

See MST

multiple VPN routing/forwarding

See multi-VRF CE

multi-VRF CE

components27-4

configuration example27-8

default configuration27-4

defined27-1

displaying27-12

monitoring27-12

network components27-4

packet-forwarding process27-4

N

native VLAN

and 802.1Q tunneling19-4

specifying13-6

NetFlow

aggregation

minimum mask,default value42-11

destination-prefix aggregation

configuration (example)42-16

minimum mask, configuring42-11

IP

flow switching cache42-9

prefix aggregation

configuration (example)42-14

minimum mask, configuring42-11

source-prefix aggregation

minimum mask, configuring42-11

switching

checking for required hardware42-6

configuration (example)42-13

configuring switched IP flows42-8

enabling Collection42-7

exporting cache entries42-9

statistics42-9

NetFlow statistics

caveats on supervisor42-6

checking for required hardware42-6

configuring collection42-6

enabling Collection42-7

exporting cache entries42-9

overview of collection42-1

switched/bridged IP flows42-8

Network Assistant

and VTY11-14

configure

enable communication with switch11-16, 11-20

connect to a device11-7

default configuration11-4

installation requirements11-2

installing11-5

launch11-7

overview of CLI commands11-4

software and hardware requirements11-2

network fault tolerance1-3, 15-22

network management

configuring20-1

RMON43-1

SNMP41-1

Network Time Protocol

See NTP

New Software Features in Release 7.7

TDR6-3

Next Hop Resolution Protocol

See NHRP

NFFC/NFFC II

IGMP snooping and18-4

NHRP

support1-7

non-IP traffic filtering35-12

non-RPF traffic

description25-9

in redundant configurations (figure)25-10

Nonstop Forwarding

See NSF

nonvolatile random-access memory

See NVRAM

normal-range VLANs

See VLANs

NSF

defined8-1

guidelines and restrictions8-9

operation8-4

NSF-aware

supervisor engines8-3

support8-2

NSF-capable

supervisor engines8-3

support8-2

NSF with SSO supervisor engine redundancy

and CEF8-5

overview8-4

SSO operation8-4

NTP

associations

authenticating4-4

defined4-2

enabling broadcast messages4-7

peer4-6

server4-6

default configuration4-4

displaying the configuration4-11

overview4-2

restricting access

creating an access group4-9

disabling NTP services per interface4-10

source IP address, configuring4-10

stratum4-2

synchronizing devices4-6

time

services4-2

synchronizing4-2

NVRAM

saving settings3-10

O

OIR

overview5-16

Online Diagnostics45-1

online insertion and removal

See OIR

Open Shortest Path First

See OSPF

operating system images

See system images

OSPF

area concept1-8

description1-8

P

packets

modifying28-16

software processed

and QoS28-16

packet type filtering

overview39-15

SPAN enhancement39-15

PAgP

understanding17-3

passwords

configuring enable password3-14

configuring enable secret password3-14

encrypting3-22

in clusters11-11

recovering lost enable password3-24

setting line password3-14

PBR (policy-based routing)

configuration (example)26-5

enabling26-3

features26-2

overview26-1

route maps26-2

when to use26-2

PeerResetReason environmental variable

tracking supervisor engine resets48-14

per-port and VLAN Access Control List33-11

per-port per-VLAN QoS

enabling28-42

overview28-16

Per-VLAN Rapid Spanning Tree15-6

enabling15-20

overview15-6

PE to CE routing, configuring27-7

PIM

configuring dense mode25-14

configuring sparse mode25-14

displaying information25-15

displaying statistics25-20

enabling sparse-dense mode25-14, 25-15

overview25-3

PIM-DM25-3

PIM-SM25-3

ping

executing6-7

overview6-7

ping command6-7, 25-15

PoE10-8

configuring power consumption for single device10-5

configuring power consumption for switch10-5

power consumption for powered devices

Intelligent Power Management10-4

overview10-4

supported cabling topology10-6

powering down a module9-17

power management modes10-2

show interface status10-7

point-to-point

in 802.1X authentication (figure)30-2, 30-16

police command28-34

policed-DSCP map28-53

policers

description28-5

types of28-10

policies

See QoS policies

policing

See QoS policing

policy-map command28-30, 28-32

policy maps

attaching to interfaces28-35

configuring28-32

port ACLs

and voice VLAN35-4

defined35-2

limitations35-4

Port Aggregation Protocol

see PAgP

port-based authentication

802.1X with voice VLAN30-18

changing the quiet period30-39

client, defined30-2

configuration guidelines30-21

configure 802.1X accounting30-27

configure switch-to-RADIUS server communication30-24

configure with Authentication Failed VLAN assignment30-35

configure with Critical Authentication30-32

configure with Guest-VLANs30-28, 30-36

configure with MAC Authentication Bypass30-31

configure with Wake-on-LAN30-34

configuring Guest-VLAN30-24

configuring manual re-authentication of a client30-42

controlling authorization state30-4

default configuration30-20

described30-1

device roles30-2

displaying statistics30-43

enabling30-21

enabling multiple hosts30-38

enabling periodic re-authentication30-37

encapsulation30-3

initiation and message exchange30-3

method lists30-21

ports not supported30-4

resetting to default values30-43

setting retransmission number30-41

setting retransmission time30-40

topologies, supported30-19

using with port security30-13

with Critical Authentication30-10

with Guest VLANs30-8

with MAC Authentication Bypass30-9

with VLAN assignment30-6

port-based QoS features

See QoS

port-channel interfaces

See also EtherChannel

creating17-6

overview17-2

port-channel load-balance

command17-12

command example17-12

port-channel load-balance command17-12

port cost (STP)

configuring15-15

PortFast

and MST15-23

BPDU filter, configuring16-8

configuring or enabling16-15

overview16-5

PortFast BPDU filtering

and MST15-23

enabling16-8

overview16-8

port priority

configuring MST instances15-33

configuring STP15-13

ports

blocking37-1

checking status6-2

dynamic VLAN membership

example12-26

reconfirming12-23

forwarding, resuming37-3

See also interfaces

port security

aging31-5

and QoS trusted boundary28-26

configuring31-7

displaying31-26

guidelines and restrictions31-31

on access ports31-6, 31-21

on private VLAN31-13

host31-13

promiscuous31-15

topology31-13, 31-17, 31-31

on trunk port31-16

guidelines and restrictions31-13, 31-17, 31-20, 31-31

port mode changes31-21

on voice ports31-21

RADIUS accounting30-15

sticky learning31-5

troubleshooting

common system error messages31-33

verifying that an address is secure31-32

using with 802.1X30-13

violations31-5

with 802.1X Authentication31-30

with DHCP and IP Source Guard31-30

with other features31-31

port states

description15-5

port trust state

See trust states

power

inline29-5

power dc input command9-14

power handling for Supervisor Engine II-TS10-12

power inline command10-3

power inline consumption command10-5

power management

Catalyst 4500 series9-3

Catalyst 4500 Series power supplies9-9

Catalyst 4948 series9-17

combined mode9-5

configuring combined mode9-8

configuring redundant mode9-7

overview9-1

redundancy9-3

redundant mode9-5

Power-On-Self-Test diagnostics45-3, 45-13

Power-On-Self-Test for Supervisor Engine V-10GE45-7

power redundancy-mode command9-8

power supplies

fixed9-4

variable9-4, 9-17

primary VLANs36-2, 36-4

associating with secondary VLANs36-13

configuring as a PVLAN36-12

priority

overriding CoS of incoming frames29-4

private VLAN

configure port security31-13

private VLANs

across multiple switches36-5

and SVIs36-9

benefits of36-2

community ports36-4

community VLANs36-3, 36-4

default configuration36-10

end station access to36-3

isolated port36-4

isolated VLANs36-3, 36-4

monitoring36-21

ports

community36-4

isolated36-4

promiscuous36-5

primary VLANs36-2, 36-4

promiscuous ports36-5

secondary VLANs36-3

subdomains36-2

traffic in36-8

troubleshooting

common system error messages36-23

verifying that an address is secure36-23

privileged EXEC mode2-5

privileges

changing default3-23

configuring levels3-23

exiting3-24

logging in3-23

promiscuous ports

configuring PVLAN36-14

defined36-5

setting mode36-21

protocol timers15-4

provider edge devices27-2

pruning, VTP

See VTP pruning

pseudobridges

description15-25

PVACL33-11

PVID (port VLAN ID)

and 802.1X with voice VLAN ports30-18

PVLAN promiscuous trunk port

configuring36-2, 36-15, 36-18

PVLANs

802.1q support36-12

across multiple switches36-5

configuration guidelines36-10

configure port security31-13, 31-15, 31-17, 31-31

configuring36-9

configuring a VLAN36-12

configuring promiscuous ports36-14

host ports

configuring a Layer 2 interface36-16

setting36-21

overview36-1

permitting routing, example36-20

promiscuous mode

setting36-21

setting

interface mode36-21

Q

QoS

allocating bandwidth28-50

and software processed packets28-16

auto-QoS

configuration and defaults display28-20

configuration guidelines28-18

described28-17

displaying28-20

effects on NVRAM configuration28-18

enabling for VoIP28-19

basic model28-5

burst size28-28

classification28-6to 28-10

configuration guidelines28-25

auto-QoS28-18

configuring

auto-QoS28-17

DSCP maps28-52

traffic shaping28-51

trusted boundary28-26

VLAN-based28-46

configuring UBRL28-36

creating policing rules28-29

default auto configuration28-17

default configuration28-23

definitions28-3

disabling on interfaces28-35

enabling and disabling28-45

enabling on interfaces28-35

enabling per-port per-VLAN28-42

flowcharts28-8, 28-12

IP phones

automatic classification and queueing28-17

detection and trusted settings28-17, 28-26

overview28-1

overview of per-port per-VLAN28-16

packet modification28-16

port-based28-46

priority28-15

traffic shaping28-15

transmit rate28-51

trust states

trusted device28-26

VLAN-based28-46

See also COS; DSCP values; transmit queues

QoS active queue management

tracking queue length28-14

QoS labels

definition28-3

QoS mapping tables

CoS-to-DSCP28-52

DSCP-to-CoS28-54

policed-DSCP28-53

types28-14

QoS marking

description28-5

QoS policers

burst size28-28

types of28-10

QoS policing

definition28-5

described28-5, 28-10

QoS policy

attaching to interfaces28-11

overview of configuration28-29

QoS transmit queues

allocating bandwidth28-50

burst28-15

configuring28-49

configuring traffic shaping28-51

mapping DHCP values to28-49

maximum rate28-15

overview28-14

sharing link bandwidth28-15

Quality of service

See QoS

queueing28-5, 28-14

R

RADIUS server

configure to-Switch communication30-24

configuring settings30-26

parameters on the switch30-24

range command5-4

range macros

defining5-5

ranges of interfaces

configuring5-4

Rapid Spanning Tree

See RSTP

rcommand command11-15

re-authentication of a client

configuring manual30-42

enabling periodic30-37

reduced MAC address15-2

redundancy

configuring7-7

guidelines and restrictions7-5

changes made through SNMP7-11

NSF-aware support8-2

NSF-capable support8-2

overview7-2

redundancy command7-7

understanding synchronization7-4

redundancy (NSF)8-1

configuring

BGP8-11

CEF8-11

EIGRP8-16

IS-IS8-14

OSPF8-13

routing protocols8-5

redundancy (RPR)

route processor redundancy7-3

synchronization7-5

redundancy (SSO)

redundancy command8-10

route processor redundancy7-3

synchronization7-5

related documentationxxxii

reload command3-28, 3-29

Remote Network Monitoring

See RMON

replication

description25-8

reserved-range VLANs

See VLANs

reset command44-3

resetting a switch to defaults3-31

restricting access

NTP services4-8

TACACS+3-15

retransmission number

setting in 802.1X authentication30-41

retransmission time

changing in 802.1X authentication30-40

RFC

1157, SNMPv141-2

1305, NTP4-2

1757, RMON43-2

1901, SNMPv2C41-2

1902 to 1907, SNMPv241-2

2273-2275, SNMPv341-2

RIP

description1-8

RMON

default configuration43-3

displaying status43-6

enabling alarms and events43-3

groups supported43-2

overview43-1

ROM monitor

boot process and3-25

CLI2-7

commands44-2to 44-3

debug commands44-5

entering44-2

exiting44-6

overview44-1

root bridge

configuring15-9

selecting in MST15-22

root guard

and MST15-23

enabling16-2

overview16-2

routed packets

ACLs35-22

route-map (IP) command26-3

route maps

defining26-3

PBR26-2

router ACLs

description35-2

using with VLAN maps35-21

route targets

VPN27-4

Routing Information Protocol

See RIP

RSPAN

configuration guidelines39-16

destination ports39-5

IDS39-2

monitored ports39-4

monitoring ports39-5

received traffic39-3

sessions

creating39-17

defined39-3

limiting source traffic to specific VLANs39-23

monitoring VLANs39-22

removing source (monitored) ports39-21

specifying monitored ports39-17

source ports39-4

transmitted traffic39-4

VLAN-based39-5

RSTP

compatibility15-23

description15-22

port roles15-23

port states15-24

S

SAID

See 802.10 SAID

scheduling28-14

defined28-5

overview28-6

secondary root switch15-12

secondary VLANs36-3

associating with primary36-13

permitting routing36-20

security

configuring32-1

Security Association Identifier

See 802.10 SAID

sequence numbers in log messages40-7

servers, VTP

See VTP servers

service-policy command28-30

service-policy input command22-2, 28-35

service-provider networks

and customer VLANs19-2

Layer 2 protocols across19-7

set default interface command26-4

set interface command26-4

set ip default next-hop command26-4

set ip next-hop command26-4

set-request operation41-4

severity levels, defining in system messages40-8

show adjacency command24-9

show boot command3-31

show catalyst4000 chassis-mac-address command15-3

show cdp command20-2, 20-3

show cdp entry command20-4

show cdp interface command20-3

show cdp neighbors command20-4

show cdp traffic command20-4

show ciscoview package command11-26

show ciscoview version command11-26

show cluster members command11-15

show configuration command5-10

show debugging command20-4

show environment command9-2

show history command2-4

show interfaces command5-15, 5-16, 5-18, 5-19

show interfaces status command6-2

show ip cache flow aggregation destination-prefix command42-12

show ip cache flow aggregation prefix command42-12

show ip cache flow aggregation source-prefix command42-12

show ip cache flow command42-9

show ip cef command24-8

show ip eigrp interfaces command23-11

show ip eigrp neighbors command23-11

show ip eigrp topology command23-11

show ip eigrp traffic command23-11

show ip interface command25-15

show ip local policy command26-5

show ip mroute command25-15

show ip pim interface command25-15

show l2protocol command19-11

show mac-address-table address command6-3

show mac-address-table interface command6-3

show mls entry command24-8

show module command6-1, 15-5

show PoE consumed10-8

show power inline command10-7

show power inline consumption command10-5

show power supplies command9-8

show protocols command5-17

show running-config command

adding description for an interface5-10

checking your settings3-9

displaying ACLs35-15, 35-17, 35-24, 35-25

show startup-config command3-10

show users command6-6

show version command3-28, 3-29

shutdown, command5-18

shutdown threshold for Layer 2 protocol packets19-9

shutting down

interfaces5-17

Simple Network Management Protocol

See SNMP

single spanning tree

See SST

slot numbers, description5-2

Smartports macros

applying global parameter values14-8

applying macros14-8

applying parameter values14-9

configuration guidelines14-6

configuring14-2

creating14-8

default configuration14-4

defined14-1

displaying14-13

tracing14-7

website14-2

SNMP

accessing MIB variables with41-4

agent

described41-4

disabling41-7

authentication level41-10

community strings

configuring41-7

overview41-4

configuration examples41-15

configuration guidelines41-6

default configuration41-6

enabling47-16

engine ID41-6

groups41-6, 41-9

host41-6

informs

and trap keyword41-11

described41-5

differences from traps41-5

enabling41-14

limiting access by TFTP servers41-15

limiting system log messages to NMS40-9

manager functions41-3

notifications41-5

overview41-1, 41-4

status, displaying41-16

system contact and location41-14

trap manager, configuring41-13

traps

described41-3, 41-5

differences from informs41-5

enabling41-11

enabling MAC address notification4-22

enabling MAC move notification4-24

enabling MAC threshold notification4-26

overview41-1, 41-4

types of41-11

users41-6, 41-9

versions supported41-2

SNMP commands47-16

SNMPv141-2

SNMPv2C41-2

SNMPv341-2

software

upgrading7-13

software configuration register3-26

software switching

description24-5

interfaces24-6

key data structures used25-7

SPAN

and ACLs39-5

configuration guidelines39-7

configuring39-6to 39-10

destination ports39-5

IDS39-2

monitored port, defined39-4

monitoring port, defined39-5

received traffic39-3

sessions

defined39-3

source ports39-4

transmitted traffic39-4

VLAN-based39-5

SPAN and RSPAN

concepts and terminology39-3

default configuration39-6

displaying status39-25

overview39-1

session limits39-6

SPAN enhancements

access list filtering39-13

configuration example39-15

CPU port sniffing39-10

encapsulation configuration39-12

ingress packets39-12

packet type filtering39-15

spanning-tree backbonefast command16-15

spanning-tree cost command15-15

spanning-tree guard root command16-2

spanning-tree portfast bpdu-guard command16-7

spanning-tree portfast command16-6

spanning-tree port-priority command15-13

spanning-tree uplinkfast command16-11

spanning-tree vlan

command15-9

command example15-9

spanning-tree vlan command15-8

spanning-tree vlan cost command15-15

spanning-tree vlan forward-time command15-19

spanning-tree vlan hello-time command15-17

spanning-tree vlan max-age command15-18

spanning-tree vlan port-priority command15-13

spanning-tree vlan priority command15-17

spanning-tree vlan root primary command15-10

spanning-tree vlan root secondary command15-12

speed

configuring interface5-8

speed command5-8

SSO

configuring8-10

SSO operation8-4

SST

description15-22

interoperability15-24

static addresses

See addresses

static routes

configuring3-11

verifying3-12

statistics

displaying 802.1X30-43

displaying PIM25-20

NetFlow accounting42-9

SNMP input and output41-16

sticky learning

configuration file31-5

defined31-5

disabling31-5

enabling31-5

saving addresses31-5

sticky MAC addresses

configuring31-7

defined31-4

Storm Control

disabling38-4

displaying38-5

enabling38-3

hardware-based, implementing38-2

overview38-1

STP

bridge ID15-2

configuring15-7to 15-20

creating topology15-4

defaults15-6

disabling15-19

enabling15-7

enabling extended system ID15-8

enabling Per-VLAN Rapid Spanning Tree15-20

forward-delay time15-18

hello time15-17

Layer 2 protocol tunneling19-7

maximum aging time15-18

overview15-1, 15-3

per-VLAN rapid spanning tree15-6

port cost15-15

port priority15-13

root bridge15-9

stratum, NTP4-2

stub routing (EIGRP)

benefits23-10

configuration tasks23-10

configuring23-6

overview23-6

restrictions23-10

verifying23-11

subdomains, private VLAN36-2

summer time4-13

supervisor engine

accessing the redundant7-14

configuring3-8to 3-13

copying files to standby7-14

default configuration3-1

default gateways3-11

environmental monitoring9-1

redundancy8-1

ROM monitor3-25

startup configuration3-25

static routes3-11

synchronizing configurations7-11

Supervisor Engine II-TS

insufficient inline power handling9-15, 10-12

SVIs

and router ACLs35-3

switched packets

and ACLs35-21

Switched Port Analyzer

See SPAN

switching, NetFlow

checking for required hardware42-6

configuration (example)42-13

configuring switched IP flows42-8

enabling Collection42-7

exporting cache entries42-9

switchport

show interfaces5-15, 5-18, 5-19

switchport access vlan command13-6, 13-8

switchport block multicast command37-2

switchport block unicast command37-2

switchport mode access command13-8

switchport mode dot1q-tunnel command19-6

switchport mode dynamic command13-6

switchport mode trunk command13-6

switch ports

See access ports

switchport trunk allowed vlan command13-6

switchport trunk encapsulation command13-6

switchport trunk encapsulation dot1q command13-3

switchport trunk encapsulation isl command13-3

switchport trunk encapsulation negotiate command13-3

switchport trunk native vlan command13-6

switchport trunk pruning vlan command13-6

switch-to-RADIUS server communication

configuring30-24

syslog

See system message logging

syslog messages9-2

sysret command44-5

system

reviewing configuration3-10

settings at startup3-27

system clock

configuring

daylight saving time4-13

manually4-11

summer time4-13

time zones4-12

displaying the time and date4-12

overview4-1

See also NTP

system images

loading from Flash memory3-30

modifying boot field3-27

specifying3-29

system message logging

default configuration40-3

defining error message severity levels40-8

disabling40-4

displaying the configuration40-12

enabling40-4

facility keywords, described40-12

level keywords, described40-8

limiting messages40-9

message format40-2

overview40-1

sequence numbers, enabling and disabling40-7

setting the display destination device40-4

synchronizing log messages40-5

timestamps, enabling and disabling40-7

UNIX syslog servers

configuring the daemon40-10

configuring the logging facility40-11

facilities supported40-12

system MTU

802.1Q tunneling19-5

maximums19-5

system name

default configuration4-15

default setting4-15

manual configuration4-15

See also DNS

system prompt, default setting4-14, 4-15

T

TACACS+32-1

accounting, defined3-16

authentication, defined3-16

authorization, defined3-16

configuring

accounting3-21

authentication key3-18

authorization3-21

login authentication3-19

default configuration3-18

displaying the configuration3-22

identifying the server3-18

limiting the services to the user3-21

operation of3-17

overview3-15

tracking services accessed by user3-21

tagged packets

802.1Q19-3

Layer 2 protocol19-7

TCAM programming and ACLs35-6

TDR

checking cable connectivity6-3

enabling and disabling test6-3

guidelines6-3

Telnet

accessing CLI2-2

disconnecting user sessions6-6

executing6-5

monitoring user sessions6-6

telnet command6-5

Terminal Access Controller Access Control System Plus

See TACACS+

TFTP

configuration files in base directory3-5

configuring for autoconfiguration3-4

limiting access by servers41-15

TFTP download

See also console download

time

See NTP and system clock

Time Domain Reflectometer

See TDR

time exceeded messages6-8

timer

See login timer

timestamps in log messages40-7

time zones4-12

Token Ring

media not supported (note)12-4, 12-10

TOS

description28-4

trace command6-9

traceroute

See IP traceroute

See Layer 2 Traceroute

traceroute mac command6-10

traceroute mac ip command6-10

traffic

blocking flooded37-2

traffic control

using ACLs (figure)35-4

using VLAN maps (figure)35-5

traffic shaping28-15

translational bridge numbers (defaults)12-4

transmit queues

See QoS transmit queues

transmit rate28-51

traps

configuring MAC address notification4-22

configuring MAC move notification4-24

configuring MAC threshold notification4-26

configuring managers41-11

defined41-3

enabling4-22, 4-24, 4-26, 41-11

notification types41-11

overview41-1, 41-4

troubleshooting

ACLs48-1

high CPU48-3

IP multicast48-4

IP unicast48-10

tracking supervisor engine resets through PeerResetReason variable48-14

with CiscoWorks41-4

with system message logging40-1

with traceroute6-8

trunk ports

configure port security31-16

configuring PVLAN36-17to 36-18

trunks

802.1Q restrictions13-5

configuring13-6

configuring access VLANs13-6

configuring allowed VLANs13-6

default interface configuration13-6

different VTP domains13-3

enabling to non-DTP device13-4

encapsulation13-3

specifying native VLAN13-6

understanding13-3

trusted boundary for QoS28-26

trust states

configuring28-46

tunneling

defined19-1

Layer 2 protocol19-7

tunnel ports

802.1Q, configuring19-6

described19-2

incompatibilities with other features19-5

type of service

See TOS

U

UDLD

default configuration21-2

disabling21-3

enabling21-3

overview21-1

unauthorized ports with 802.1X30-4

unicast

See IP unicast

unicast flood blocking

configuring37-1

unicast MAC address filtering

and adding static addresses4-29

and broadcast MAC addresses4-28

and CPU packets4-28

and multicast addresses4-28

and router MAC addresses4-28

configuration guidelines4-28

described4-28

unicast traffic

blocking37-2

unidirectional ethernet

enabling22-2

example of setting22-2

overview22-1

UniDirectional Link Detection Protocol

See UDLD

UNIX syslog servers

daemon configuration40-10

facilities supported40-12

message logging configuration40-11

UplinkFast

and MST15-23

enabling16-15

MST and15-23

overview16-10

User Based Rate Limiting

configuring28-37

overview28-36

user EXEC mode2-5

user sessions

disconnecting6-6

monitoring6-6

V

VACLs

Layer 4 port operations35-9

virtual configuration register44-3

virtual LANs

See VLANs

Virtual Private Network

See VPN

VLAN ACLs

See VLAN maps

vlan command12-6, 12-7

vlan database command12-7

vlan dot1q tag native command19-4

VLAN ID, discovering4-30

VLAN Management Policy Server

See VMPS

VLAN maps

applying35-17, 35-25

common uses for35-18

configuration example35-18

configuration guidelines35-14

configuring35-13

creating entries35-15

defined35-3

denying access example35-19

denying packets35-15

displaying35-20

examples35-19

order of entries35-14

permitting packets35-15

router ACLs and35-21

using (figure)35-5

VLANs

allowed on trunk13-6

configuration guidelines12-3

configuring12-4

customer numbering in service-provider networks19-3

default configuration12-4

description1-5

extended range12-3

IDs (default)12-4

interface assignment12-8

limiting source traffic with RSPAN39-23

monitoring with RSPAN39-22

name (default)12-4

normal range12-3

overview12-1

reserved range12-3

See also PVLANs

VLAN Trunking Protocol

See VTP

VLAN trunks

overview13-3

VMPS

configuration file example12-29

configuring dynamic access ports on client12-22

configuring retry interval12-24

database configuration file12-29

dynamic port membership

example12-26

reconfirming12-23

reconfirming assignments12-23

reconfirming membership interval12-23

server overview12-17

VMPS client

administering and monitoring12-24

configure switch

configure reconfirmation interval12-23

dynamic ports12-22

entering IP VMPS address12-21

reconfirmation interval12-24

reconfirm VLAM membership12-23

default configuration12-21

dynamic VLAN membership overview12-20

troubleshooting dynamic port VLAN membership12-25

VMPS server

fall-back VLAN12-19

illegal VMPS client requests12-20

overview12-17

security modes

multiple12-19

open12-18

secure12-19

voice interfaces

configuring29-1

Voice over IP

configuring29-1

voice ports

configuring VVID29-3

voice traffic10-1, 29-5

voice VLAN

IP phone data traffic, described29-2

IP phone voice traffic, described29-2

voice VLAN ports

using 802.1X30-18

VPN

configuring routing in27-6

forwarding27-4

in service provider networks27-1

routes27-2

routing and forwarding table

See VRF

VRF

defining27-4

tables27-1

VTP

configuration guidelines12-12

configuring12-13to 12-17

configuring transparent mode12-16

default configuration12-12

disabling12-16

Layer 2 protocol tunneling19-7

monitoring12-16

overview12-8

See also VTP version 2

VTP advertisements

description12-9

VTP clients

configuring12-15

VTP domains

description12-9

VTP modes12-9

VTP pruning

enabling12-13

overview12-10

VTP servers

configuring12-14

VTP statistics

displaying12-16

VTP version 2

enabling12-14

overview12-10

See also VTP

VTY and Network Assistant11-14

VVID (voice VLAN ID)

and 802.1X authentication30-18

configuring29-3

W

Wake-on-LAN

configure with 802.1X30-34

WCCP

configuration examples46-8

configuring on a router46-2, 46-10

features46-4

restrictions46-5

service groups46-6

Web Cache Communication Protocol

See WCCPxxxi, 46-1

web caches

See cache engines

web cache services

description46-4

web caching

See web cache services

See also WCCP

web scaling46-1