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 - X -

Index

Numerics

144-bit Layer 3 TCAM     7-27, 30-68

802.1D

See STP

802.1Q

and trunk ports     10-3

configuration limitations     11-18

encapsulation     11-16

native VLAN for untagged traffic     11-22

trunk mode     3-9

tunneling

compatibility with other features     14-5

defaults     14-4

described     14-1

tunnel ports and ACLs     27-3

tunnel ports with other features     14-6

802.1S

See MSTP

802.1W

See RSTP

802.1X

See port-based authentication

802.3X flow control     10-15

A

abbreviating commands     2-4

ABRs     30-29

AC (command switch)     6-13, 6-22

access-class command     27-20

access control entries

See ACEs

access-denied response, VMPS     11-27

access groups

IP     27-21

Layer 3     27-21

accessing

clusters, switch     6-16

command switches     6-13

member switches     6-16

switch clusters     6-16

access lists

See ACLs

access ports

and Layer 2 protocol tunneling     14-9

defined     10-3

in switch clusters     6-11

accounting

with RADIUS     8-28

with TACACS+     8-11, 8-17

ACEs

and QoS     28-7

defined     27-2

Ethernet     27-2

IP     27-2

ACLs

ACEs     27-2

and logging     27-7

any keyword     27-13

applying

on bridged packets     27-38

on multicast packets     27-40

on routed packets     27-39

on switched packets     27-37

time ranges to     27-17

to Layer 2 and Layer 3 interfaces     27-20

to QoS     28-7

classifying traffic for QoS     28-36

comments in     27-19

compatibility on the same switch     27-2

compiling     27-21

configuration conflict examples     27-44

configuring with VLAN maps     27-36

defined     27-1

examples, not fitting in hardware     27-45

examples of     27-21, 28-36

extended IP

configuring for QoS classification     28-37

creating     27-11

matching criteria     27-8

feature manager     27-43

hardware and software handling     27-6

hardware support for     27-6

host keyword     27-13

IP

applying to interface     27-19

creating     27-8

defined     27-8

fragments and QoS guidelines     28-27

implicit deny     27-10, 27-14, 27-16

implicit masks     27-10

matching criteria     27-8

matching criteria for port ACLs     27-4

matching criteria for router ACLs     27-3

named     27-15

options and QoS guidelines     28-27

undefined     27-21

violations, logging     27-16

virtual terminal lines, setting on     27-19

limiting actions     27-37

logging messages     27-10

log keyword     27-16

MAC extended     27-26, 28-38

matching     27-8, 27-21, 27-28

merge failure examples     27-46

monitoring     27-41

named     27-15

not fitting in hardware     27-45

number per QoS class map     28-27

numbers     27-8

policy maps and QoS classification     28-27

port

and voice VLAN     27-4

defined     27-2

limitations     27-4

QoS     28-7, 28-36

router     27-2

standard IP

configuring for QoS classification     28-36

creating     27-9

matching criteria     27-8

support for     1-4

time ranges     27-17

undefined     27-28

unsupported features     27-7

using router ACLs with VLAN maps     27-36

VLAN maps

configuration guidelines     27-30

configuring     27-29

defined     27-4

active router     31-1

adding secure addresses     7-26

addresses

displaying the MAC address table     7-26

dynamic

accelerated aging     15-9

changing the aging time     7-22

default aging     15-9

defined     7-20

learning     7-21

preventing frame forwarding     35-5

removing     7-23

filtering frames by MAC address     35-6

MAC, adding secure     7-26

multicast

group address range     33-1

STP address management     15-8

secure

adding     7-26

described     7-26

static

adding and removing     7-25

defined     7-20

address resolution     30-8

Address Resolution Protocol

See ARP

address table, adding secure addresses     7-26

adjacency tables, with CEF     30-76

administrative distances

defined     30-87

OSPF     30-34

routing protocol defaults     30-77

advertisements

CDP     21-1

IGRP     30-24

RIP     30-19

VTP     11-19, 12-3

aggregate addresses, BGP     30-60

aggregated ports

See EtherChannel

aggregate policers     28-49

aggregate policing     1-5

aging, accelerating     15-9

aging time

accelerated

for MSTP     16-20

for STP     15-9, 15-19

bridge table for fallback bridging     35-6

MAC address table     7-22

maximum

for MSTP     16-21

for STP     15-19

alarms, RMON     24-3

allowed-VLAN list     11-21

alternate routes, IGRP     30-25

area border routers

See ABRs

ARP

configuring     30-9

defined     30-8

encapsulation     30-10

static cache configuration     30-9

support for     1-2

ASBRs     30-29

AS-path filters, BGP     30-54

asymmetrical links, and 802.1Q tunneling     14-4

attributes, RADIUS

vendor-proprietary     8-31

vendor-specific     8-29

audience     xxxiii

authentication

EIGRP     30-42

HSRP     31-8

local mode with AAA     8-36

NTP associations     7-4

RADIUS

key     8-21

login     8-23

TACACS+

defined     8-11

key     8-13

login     8-14

See also port-based authentication

authentication keys, and routing protocols     30-88

authoritative time source, described     7-2

authorization

with RADIUS     8-27

with TACACS+     8-11, 8-16

authorized ports with 802.1X     9-4

autoconfiguration     4-3

automatic discovery

adding member switches     6-20

considerations

beyond a non-candidate device     6-8, 6-9

brand new switches     6-11

connectivity     6-5

different VLANs     6-7

management VLANs     6-8, 6-9

non-CDP-capable devices     6-6

non-cluster-capable devices     6-6

routed ports     6-10

creating a cluster standby group     6-22

in switch clusters     6-5

See also CDP

automatic QoS

See QoS

automatic recovery, clusters     6-12

See also HSRP

autonegotiation

duplex mode     1-2

interface configuration guidelines     10-13

mismatches     36-10

autonomous system boundary routers

See ASBRs

autonomous systems, in BGP     30-48

Auto-RP, described     33-8

autosensing, port speed     1-2

auxiliary VLAN

See voice VLAN

B

BackboneFast

described     17-10

enabling     17-19

support for     1-3

bandwidth for QoS

allocating     28-63

described     28-13

bandwidth graphs     3-8

banners

configuring

login     7-20

message-of-the-day login     7-19

default configuration     7-18

when displayed     7-18

BGP

aggregate addresses     30-60

aggregate routes, configuring     30-60

CIDR     30-60

clear commands     30-63

community filtering     30-56

configuring neighbors     30-58

default configuration     30-46

described     30-45

enabling     30-48

monitoring     30-63

multipath support     30-51

neighbors, types of     30-48

path selection     30-51

peers, configuring     30-58

prefix filtering     30-55

resetting sessions     30-50

route dampening     30-62

route maps     30-53

route reflectors     30-61

routing domain confederation     30-60

routing session with multi-VRF CE     30-70

show commands     30-63

supernets     30-60

support for     1-5

Version 4     30-45

binding cluster group and HSRP group     31-9

blocking packets     20-6

booting

boot loader, function of     4-2

boot process     4-1

manually     4-13

specific image     4-14

boot loader

accessing     4-15

described     4-2

environment variables     4-15

prompt     4-15

trap-door mechanism     4-2

bootstrap router (BSR), described     33-8

Border Gateway Protocol

See BGP

BPDU

error-disabled state     17-3

filtering     17-3

RSTP format     16-5

BPDU filtering

described     17-3

enabling     17-16

support for     1-3

BPDU guard

described     17-3

enabling     17-15

support for     1-3

bridged packets, ACLs on     27-38

bridge groups

See fallback bridging

bridge protocol data unit

See BPDU

broadcast flooding     30-16

broadcast packets

directed     30-13

flooded     30-13

broadcast storm-control command     20-3

broadcast storms     20-1, 30-13

browser configuration     3-1, 6-1

buttons, CMS     3-28

C

cables, monitoring for unidirectional links     22-1

cache engines, redirecting traffic to     32-1

CAMs, ACLs not loading in     27-45

candidate switch

adding     6-20

automatic discovery     6-5

defined     6-4

HC     6-22

passwords     6-20

requirements     6-4

standby group     6-22

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

caution, described     xxxiv

CC (command switch)     6-22

CDP

and trusted boundary     28-32

automatic discovery in switch clusters     6-5

configuring     21-2

default configuration     21-2

described     21-1

disabling for routing device     21-3, 21-4

enabling and disabling

on an interface     21-4

on a switch     21-3

Layer 2 protocol tunneling     14-7

monitoring     21-5

overview     21-1

support for     1-2

transmission timer and holdtime, setting     21-2

updates     21-2

CEF     30-75

CGMP

as IGMP snooping learning method     19-6

clearing cached group entries     33-58

enabling server support     33-38

FastLeave feature     33-13

hosts

joining a group     33-12

leaving a group     33-13

joining multicast group     19-2

overview     33-11

server support only     33-11

switch support of     1-2

CIDR     30-60

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco Intelligence Engine 2100 Series Configuration Registrar

See IE2100

Cisco Networking Services

See IE2100

CiscoWorks 2000     1-7, 26-4

classless interdomain routing

See CIDR

classless routing     30-7

class maps for QoS

configuring per physical port     28-39

configuring per-port per-VLAN     28-41

described     28-7

displaying     28-69

class of service

See CoS

clearing interfaces     10-21

CLI

abbreviating commands     2-4

command modes     2-1

described     1-7

editing features

enabling and disabling     2-7

keystroke editing     2-7

wrapped lines     2-8

error messages     2-5

filtering command output     2-9

getting help     2-3

history

changing the buffer size     2-5

described     2-5

disabling     2-6

recalling commands     2-6

managing clusters     6-25

no and default forms of commands     2-4

client mode, VTP     12-3

clock

See system clock

Cluster Management Suite

See CMS

clusters, switch

accessing     6-16

adding member switches     6-20

automatic discovery     6-5

automatic recovery     6-12

benefits     1-7

command switch configuration     6-19

compatibility     6-5

creating     6-18

creating a cluster standby group     6-22

described     6-1

LRE profile considerations     6-18

managing

through CLI     6-25

through SNMP     6-26

planning     6-5

planning considerations

automatic discovery     6-5

automatic recovery     6-12

CLI     6-25

host names     6-16

IP addresses     6-16

LRE profiles     6-18

passwords     6-16

RADIUS     6-17

SNMP     6-17, 6-26

switch-specific features     6-18

TACACS+     6-17

redundancy     6-22

troubleshooting     6-24

verifying     6-24

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

cluster standby group

and HSRP group     31-9

automatic recovery     6-15

considerations     6-13

creating     6-22

defined     6-2

requirements     6-3

virtual IP address     6-13

See also HSRP

cluster tree, described     3-5

CMS

benefits     1-7

cluster tree     3-5

described     1-1, 1-7, 3-1

displaying system messages     3-18

features     3-2

Front Panel images     3-6

Front Panel view     3-3

interaction modes     3-24

menu bar     3-13

online help     3-25

toolbar     3-19

tool tips     3-25

Topology view     3-10

window components     3-26

wizards     3-25

Coarse Wave Division Multiplexer GBIC modules

See CWDM GBIC modules

command-line interface

See CLI

command modes     2-1

commands

abbreviating     2-4

no and default     2-4

setting privilege levels     8-8

command switch

accessing     6-13

active (AC)     6-13, 6-22

command switch with HSRP disabled (CC)     6-22

configuration conflicts     36-10

defined     6-2

enabling     6-19

passive (PC)     6-13, 6-22

password privilege levels     6-25

priority     6-13

recovery

from command-switch failure     6-13

from failure     36-6

from lost member connectivity     36-10

redundant     6-12, 6-22

replacing

with another switch     36-8

with cluster member     36-7

requirements     6-3

standby (SC)     6-13, 6-22

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

community list, BGP     30-57

community strings

configuring     6-17, 26-7

for cluster switches     26-4

in clusters     6-17

overview     26-4

SNMP     6-17

config.text     4-12

configuration conflicts

ACL, displaying     27-44

recovering from lost member connectivity     36-10

configuration conflicts, recovering from lost member connectivity     36-10

configuration examples, network     1-8

configuration files

clearing the startup configuration     B-19

creating using a text editor     B-10

default name     4-12

deleting a stored configuration     B-19

described     B-8

downloading

automatically     4-12

preparing     B-10, B-13, B-16

reasons for     B-8

using FTP     B-13

using RCP     B-17

using TFTP     B-11

guidelines for creating and using     B-9

invalid combinations when copying     B-5

limiting TFTP server access     26-14

obtaining with DHCP     4-7

password recovery disable considerations     8-5

specifying the filename     4-13

system contact and location information     26-14

types and location     B-9

uploading

preparing     B-10, B-13, B-16

reasons for     B-8

using FTP     B-15

using RCP     B-18

using TFTP     B-12

VMPS database     11-28

configuration guidelines, multi-VRF CE     30-68

configuration settings, saving     4-10

configure terminal command     10-7

configuring inline power     10-14

config-vlan mode     2-2, 11-6

conflicts, configuration     36-10

congestion-avoidance techniques     28-12

congestion-management techniques     28-12, 28-15

connections, secure remote     8-37

connectivity problems     36-11

consistency checks in VTP version 2     12-4

console port, connecting to     2-10

content-routing technology

See WCCP

conventions

command     xxxiv

for examples     xxxiv

publication     xxxiv

text     xxxiv

CoS

in Layer 2 frames     28-2

override priority     13-5

trust priority     13-6

CoS-to-DSCP map for QoS     28-52

CoS-to-egress-queue map     28-57

counters, clearing interface     10-21

CPU q, in show forward command output     36-20

crashinfo file     36-20

cross-stack UplinkFast, STP

connecting stack ports     17-8

described     17-5

enabling     17-18

fast-convergence events     17-7

Fast Uplink Transition Protocol     17-6

limitations     17-8

normal-convergence events     17-7

Stack Membership Discovery Protocol     17-6

support for     1-3

cryptographic software image     8-37

customer edge devices     30-65

CWDM GBIC modules

network example     1-17

wavelength colors on CMS     3-6

CWDM OADM modules     1-17

D

daylight saving time     7-13

debugging

enabling all system diagnostics     36-17

enabling for a specific feature     36-17

redirecting error message output     36-18

using commands     36-16

default commands     2-4

default configuration

802.1Q tunneling     14-4

802.1X     9-9

auto-QoS     28-18

banners     7-18

BGP     30-46

booting     4-12

CDP     21-2

DHCP     18-3

DNS     7-17

EIGRP     30-39

EtherChannel     29-8

fallback bridging     35-3

HSRP     31-3

IGMP     33-31

IGMP filtering     19-20

IGMP snooping     19-5

IGRP     30-25

initial switch information     4-3

IP addressing, IP routing     30-4

IP multicast routing     33-13

Layer 2 interfaces     10-12

Layer 2 protocol tunneling     14-9

MAC address table     7-22

MSDP     34-4

multi-VRF CE     30-67

MVR     19-14

NTP     7-4

optional spanning-tree features     17-14

OSPF     30-30

password and privilege level     8-2

RADIUS     8-20

RIP     30-19

RMON     24-3

RSPAN     23-8

RSTP and MSTP     16-12

SNMP     26-6

SPAN     23-8

standard QoS     28-25

STP     15-10

system message logging     25-3

system name and prompt     7-15

TACACS+     8-13

UDLD     22-3

VLAN, Layer 2 Ethernet interfaces     11-18

VLANs     11-7

VMPS     11-30

voice VLAN     13-2

VTP     12-6

WCCP     32-5

default gateway     4-10, 30-11

default networks     30-78

default routes     30-78

default routing     30-2

deleting VLANs     11-10

description command     10-17

designing your network, examples     1-8

destination addresses, in ACLs     27-12

detecting indirect link failures, STP     17-10

device discovery protocol     21-1

device labels     3-12

Device Manager     3-4

See also Switch Manager

device pop-up menu, Front Panel view     3-20

DHCP-based autoconfiguration

client request message exchange     4-4

configuring

client side     4-3

DNS     4-6

relay device     4-6

server-side     4-5

TFTP server     4-5

example     4-8

lease options

for IP address information     4-5

for receiving the configuration file     4-5

overview     4-3

relationship to BOOTP     4-3

relay support     1-6

support for     1-2

DHCP option 82

configuration guidelines     18-4

default configuration     18-3

displaying     18-7

enabling

relay agent     18-4

relay agent information option     18-4

example, metropolitan Ethernet network     18-2

forwarding address, specifying     18-5

helper address     18-6

message exchange process     18-2

overview     18-1

policy for reforwarding     18-5

protected ports for subscriber isolation     18-7

reforwarding policy     18-5

subscriber identification     18-2

support for     1-2

suppressing broadcasts     18-7

validating     18-4

Differentiated Services architecture, QoS     28-2

Differentiated Services Code Point     28-2

Diffusing Update Algorithm (DUAL)     30-38

directed unicast requests     1-2

directories

changing     B-3

creating and removing     B-4

displaying the working     B-3

discovery, clusters

See automatic discovery

display options, Topology view     3-13

Disqualification Code option     3-24

Distance Vector Multicast Routing Protocol

See DVMRP

distance-vector protocols     30-2

distribute-list command     30-86

DNS

and DHCP-based autoconfiguration     4-6

default configuration     7-17

displaying the configuration     7-18

overview     7-16

setting up     7-17

support for     1-2

documentation

related     xxxiv

document conventions     xxxiv

domain names

DNS     7-16

VTP     12-8

Domain Name System

See DNS

dot1q-tunnel switchport mode     11-17

double-tagged packets

802.1Q tunneling     14-2

Layer 2 protocol tunneling     14-9

downloading

configuration files

preparing     B-10, B-13, B-16

reasons for     B-8

using FTP     B-13

using RCP     B-17

using TFTP     B-11

image files

deleting old image     B-23

preparing     B-21, B-25, B-29

reasons for     B-19

using FTP     B-26

using RCP     B-30

using TFTP     B-22

drop threshold for Layer 2 protocol packets     14-10

DSCP     1-5, 28-2

DSCP-to-CoS map for QoS     28-54

DSCP-to-DSCP-mutation map for QoS     28-55

DSCP-to-threshold map for QoS     28-60

DTP     1-4, 11-16

DUAL finite state machine, EIGRP     30-38

duplex mode, configuring     10-13

DVMRP

all-DVMRP-routers multicast group address     33-11

autosummarization

configuring a summary address     33-54

disabling     33-56

connecting PIM domain to DVMRP router     33-46

enabling unicast routing     33-50

interoperability

with Cisco devices     33-44

with IOS software     33-11

mrinfo requests, responding to     33-49

neighbors

advertising the default route to     33-48

discovery with Probe messages     33-11, 33-44

displaying information     33-49

prevent peering with nonpruning     33-52

rejecting nonpruning     33-51

overview     33-11

routes

adding a metric offset     33-56

advertising all     33-56

advertising the default route to neighbors     33-48

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