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

802.1D

See STP

802.1Q

and trunk ports     9-3

configuration limitations     11-12

encapsulation     11-11

native VLAN for untagged traffic     11-16

802.1S

See MSTP

802.1W

See RSTP

802.1X

See port-based authentication

802.3AD

See EtherChannel

802.3Z flow control     9-12

A

abbreviating commands     2-4

AC (command switch)     5-10, 5-18

access-class command     26-16

access control entries

See ACEs

access-denied response, VMPS     11-21

access groups

applying ACLs to interfaces     26-17

IP     26-17

accessing

clusters, switch     5-13

command switches     5-11

member switches     5-13

switch clusters     5-13

access lists

See ACLs

access ports

defined     9-2

in switch clusters     5-9

accounting

with RADIUS     7-28

with TACACS+     7-11, 7-17

ACEs

defined     26-2

Ethernet     26-2

IP     26-2

ACLs

ACEs     26-2

any keyword     26-9

applying

time ranges to     26-13

to an interface     26-16

comments in     26-15

compiling     26-17

defined     26-1, 26-6

examples of     26-17

extended IP

creating     26-8

matching criteria     26-6

hardware and software handling     26-17

host keyword     26-10

IP

applying to interface     26-16

applying to interfaces     26-16

creating     26-6

implicit deny     26-8, 26-11, 26-13

implicit masks     26-8

matching criteria     26-6

named     26-11

terminal lines, setting on     26-16

undefined     26-17

MAC extended     26-20

matching     26-6, 26-17

monitoring     26-29

named     26-11

numbers     26-6

port     26-2

precedence of     26-2

standard IP

creating     26-7

matching criteria     26-6

supported features     26-17

support for     1-6

time ranges     26-13

unsupported features     26-5

VLAN maps

configuration guidelines     26-23

configuring     26-22

address aliasing     18-2

addresses

displaying the MAC address table     6-28

dynamic

accelerated aging     14-8

changing the aging time     6-23

default aging     14-8

defined     6-22

learning     6-22

removing     6-24

MAC, discovering     6-29

multicast STP address management     14-8

static

adding and removing     6-26

defined     6-22

address resolution     6-29

Address Resolution Protocol

See ARP

See ARP table

advertisements

CDP     20-1

VTP     11-13, 12-3

aggregated ports

See EtherChannel

aggregate policing     1-7

aging, accelerating     14-8

aging time

accelerated

for MSTP     15-20

for STP     14-8, 14-21

MAC address table     6-23

maximum

for MSTP     15-21

for STP     14-21

alarms, RMON     23-3

allowed-VLAN list     11-15

ARP

defined     1-4, 6-29

ARP table

address resolution     6-29

managing     6-29

attributes, RADIUS

vendor-proprietary     7-31

vendor-specific     7-29

audience     xxvii

authentication

local mode with AAA     7-36

NTP associations     6-5

RADIUS

key     7-21

login     7-23

See also port-based authentication

TACACS+

defined     7-11

key     7-13

login     7-14

authoritative time source, described     6-2

authorization

with RADIUS     7-27

with TACACS+     7-11, 7-16

authorized ports with 802.1X     8-4

autoconfiguration     4-3

automatic discovery

adding member switches     5-16

considerations

beyond a non-candidate device     5-8

brand new switches     5-9

connectivity     5-5

different VLANs     5-7

management VLANs     5-8

non-CDP-capable devices     5-6

non-cluster-capable devices     5-6

creating a cluster standby group     5-18

in switch clusters     5-5

See also CDP

automatic recovery, clusters     5-10

See also HSRP

autonegotiation

duplex mode     1-3

interface configuration guidelines     9-10

mismatches     29-10

autosensing, port speed     1-3

auxiliary VLAN

See voice VLAN

availability, features     1-4

B

BackboneFast

described     16-5

enabling     16-14

support for     1-5

banners

configuring

login     6-21

message-of-the-day login     6-20

default configuration     6-19

when displayed     6-19

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

BPDU

error-disabled state     16-2

filtering     16-3

RSTP format     15-9

BPDU filtering

described     16-3

enabling     16-12

support for     1-5

BPDU guard

described     16-2

enabling     16-11

support for     1-5

bridge protocol data unit

See BPDU

broadcast storm control

configuring     19-2

disabling     19-3

C

cables, monitoring for unidirectional links     21-1

candidate switch

adding     5-16

automatic discovery     5-5

defined     5-4

HC     5-18

passwords     5-17

requirements     5-4

standby group     5-18

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

caution, described     xxviii

CC (command switch)     5-19

CDP

and trusted boundary     27-7

automatic discovery in switch clusters     5-5

configuring     20-2

default configuration     20-2

described     20-1

disabling for routing device     20-3, 20-4

enabling and disabling

on an interface     20-4

on a switch     20-3

monitoring     20-5

overview     20-1

support for     1-4

transmission timer and holdtime, setting     20-2

updates     20-2

CGMP

as IGMP snooping learning method     18-8

joining multicast group     18-3

Cisco Discovery Protocol

See CDP

Cisco IOS File System

See IFS

CiscoWorks 2000     1-3, 25-4

class of service

See CoS

clearing interfaces     9-17

CLI

abbreviating commands     2-4

command modes     2-1

described     1-3

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     5-21

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     5-13

adding member switches     5-16

automatic discovery     5-5

automatic recovery     5-10

benefits     1-2

command switch configuration     5-16

compatibility     5-4

creating     5-15

creating a cluster standby group     5-18

described     5-1

LRE profile considerations     5-15

managing

through CLI     5-21

through SNMP     5-21

planning     5-4

planning considerations

automatic discovery     5-5

automatic recovery     5-10

CLI     5-21

host names     5-13

IP addresses     5-13

LRE profiles     5-15

passwords     5-14

RADIUS     5-14

SNMP     5-14, 5-21

switch-specific features     5-15

TACACS+     5-14

redundancy     5-18

troubleshooting     5-20

verifying     5-20

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

cluster standby group

automatic recovery     5-12

considerations     5-11

creating     5-18

defined     5-2

requirements     5-3

virtual IP address     5-11

See also HSRP

CMS

benefits     1-2

configuration modes     3-5

described     1-2, 1-3

Front Panel view

described     3-2

operating systems and supported browsers     3-8

requirements     3-7 to  3-9

Topology view     3-14

wizards     3-6

Coarse Wave Division Multiplexer

See CWDM

command-line interface

See CLI

command modes     2-1

commands

abbreviating     2-4

no and default     2-4

setting privilege levels     7-8

command switch

accessing     5-11

active (AC)     5-10, 5-18

command switch with HSRP disabled (CC)     5-19

configuration conflicts     29-10

defined     5-2

enabling     5-16

passive (PC)     5-10, 5-18

password privilege levels     5-21

priority     5-10

recovery

from command-switch failure     5-10

from failure     29-6

from lost member connectivity     29-10

redundant     5-10, 5-18

replacing

with another switch     29-9

with cluster member     29-7

requirements     5-3

standby (SC)     5-10, 5-18

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

community strings

configuring     5-14, 25-7

for cluster switches     25-4

in clusters     5-14

overview     25-3

SNMP     5-14

config.text     4-12

configuration conflicts, recovering from lost member connectivity     29-10

configuration examples, network     1-10

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     4-13

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     25-13

obtaining with DHCP     4-7

password recovery disable considerations     7-5

specifying the filename     4-13

system contact and location information     25-12

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-11

VMPS database     11-22

configuration modes, CMS     3-5

configuration settings, saving     4-11

configure terminal command     9-5

config-vlan mode     2-2, 11-5

conflicts, configuration     29-10

connections, secure remote     7-38

connectivity problems     29-11

consistency checks in VTP version 2     12-4

console port, connecting to     2-10

conventions

command     xxviii

for examples     xxviii

publication     xxviii

text     xxviii

CoS

configuring     27-2

configuring priority queues     27-9

defining     27-3

override priority     13-5

trust priority     13-5

counters, clearing interface     9-17

crashinfo file     29-16

cryptographic software image

Kerberos     7-32

SSH     7-37

CWDM     1-15

CWDM SFPs     1-15

D

daylight saving time     6-14

debugging

enabling all system diagnostics     29-15

enabling for a specific feature     29-14

redirecting error message output     29-15

using commands     29-14

default commands     2-4

default configuration

802.1X     8-10

banners     6-19

booting     4-12

CDP     20-2

DHCP     17-3

DNS     6-18

EtherChannel     28-9

IGMP filtering     18-21

IGMP snooping     18-7

IGMP throttling     18-21

initial switch information     4-3

Layer 2 interfaces     9-9

MAC address table     6-23

MSTP     15-12

MVR     18-16

NTP     6-4

optional spanning-tree features     16-10

password and privilege level     7-2

QoS     27-4

RADIUS     7-20

RMON     23-3

RSPAN     22-5

SNMP     25-5

SPAN     22-5

STP     14-11

system message logging     24-3

system name and prompt     6-16

TACACS+     7-13

UDLD     21-4

VLAN, Layer 2 Ethernet interfaces     11-13

VLANs     11-6

VMPS     11-22

voice VLAN     13-2

VTP     12-6

default gateway     4-10

deleting VLANs     11-8

description command     9-14

designing your network, examples     1-10

destination addresses, in ACLs     26-9

destination-IP address based forwarding, EtherChannel     28-7

destination-MAC address forwarding, EtherChannel     28-7

detecting indirect link failures, STP     16-5

device discovery protocol     20-1

Device Manager     3-14

See also Switch Manager

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     4-6

example     4-8

lease options

for IP address information     4-5

for receiving the configuration file     4-5

overview     4-3

relationship to BOOTP     4-4

relay support     1-4

support for     1-4

DHCP option 82

configuration guidelines     17-3

default configuration     17-3

displaying     17-5

overview     17-2

DHCP snooping

configuration guidelines     17-3

default configuration     17-3

displaying binding tables     17-5

displaying configuration     17-5

message exchange process     17-2

option 82 data insertion     17-2

directed unicast requests     1-4

directories

changing     B-3

creating and removing     B-4

displaying the working     B-3

discovery, clusters

See automatic discovery

DNS

and DHCP-based autoconfiguration     4-6

default configuration     6-18

displaying the configuration     6-19

overview     6-17

setting up     6-18

support for     1-4

documentation

related     xxix

document conventions     xxviii

domain names

DNS     6-17

VTP     12-8

Domain Name System

See DNS

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-24

preparing     B-22, B-25, B-29

reasons for     B-20

using FTP     B-26

using RCP     B-31

using TFTP     B-23

DSCP     1-6

DTP     1-5, 11-11

dynamic access ports

characteristics     11-3

configuring     11-24

defined     9-3

dynamic addresses

See addresses

dynamic desirable trunking mode     11-12

Dynamic Host Configuration Protocol

See DHCP-based autoconfiguration

dynamic port VLAN membership

described     11-21

reconfirming     11-24, 11-25

troubleshooting     11-26

types of connections     11-24

VMPS database configuration file     11-22

Dynamic Trunking Protocol

See DTP

E

editing features

enabling and disabling     2-7

keystrokes used     2-7

wrapped lines     2-8

enable password     7-4

enable secret password     7-4

encapsulation     27-2

encryption for passwords     7-4

environment variables

function of     4-16

error messages during command entry     2-5

EtherChannel

802.3AD, described     28-5

automatic creation of     28-3, 28-5

channel groups

binding physical and logical interfaces     28-3

numbering of     28-3

configuration guidelines     28-9

configuring Layer 2 interfaces     28-10

default configuration     28-9

described     28-2

displaying status     28-17

forwarding methods     28-6, 28-12

interaction

with STP     28-9

with VLANs     28-10

LACP

described     28-5

displaying status     28-17

hot-standby ports     28-15

interaction with other features     28-6

modes     28-6

port priority     28-16

system priority     28-15

LACP, support for     1-3

load balancing     28-6, 28-12

number of interfaces per     28-2

PAgP

aggregate-port learners     28-13

compatibility with Catalyst 1900     28-13

described     28-3

displaying status     28-17

interaction with other features     28-5

learn method and priority configuration     28-13

modes     28-4

silent mode     28-5

support for     1-3

port-channel interfaces

described     28-3

numbering of     28-3

port groups     9-4

support for     1-3

EtherChannel guard

described     16-7

enabling     16-14

Ethernet VLANs

adding     11-7

defaults and ranges     11-7

modifying     11-7

events, RMON     23-3

examples

conventions for     xxviii

network configuration     1-10

expert mode     3-6

Express Setup     3-11

extended system ID

MSTP     15-14

STP     14-3, 14-14

Extensible Authentication Protocol over LAN     8-1

F

fallback VLAN name     11-22

fiber-optic, detecting unidirectional links     21-1

files

copying     B-4

deleting     B-5

displaying the contents of     B-7

tar

creating     B-6

displaying the contents of     B-6

extracting     B-7

image file format     B-21

files, crashinfo

description     29-16

displaying the contents of     29-16

location     29-16

file system

displaying available file systems     B-2

displaying file information     B-3

local file system names     B-1

network file system names     B-4

setting the default     B-3

filtering

in a VLAN     26-22

non-IP traffic     26-20

show and more command output     2-9

filtering show and more command output     2-9

filters, IP

See ACLs, IP

Flash device, number of     B-1

flow-based packet classification     1-6

flow control     1-3, 9-12

forward-delay time

MSTP     15-20

STP     14-5, 14-21

forwarding

See broadcast storm control

FTP

accessing MIB files     A-3

configuration files

downloading     B-13

overview     B-12

preparing the server     B-13

uploading     B-15

image files

deleting old image     B-28

downloading     B-26

preparing the server     B-25

uploading     B-28

G

GBICs

security and identification     29-11

get-bulk-request operation     25-3

get-next-request operation     25-3, 25-4

get-request operation     25-3, 25-4

get-response operation     25-3

global configuration mode     2-2

guest VLAN and 802.1X     8-8

guide

audience     xxvii

purpose of     xxvii

guide mode     1-2, 3-5

H

HC (candidate switch)     5-18

hello time

MSTP     15-19

STP     14-20

help, for the command line     2-3

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     24-9

host names

abbreviations appended to     5-18

in clusters     5-13

hosts, limit on dynamic ports     11-26

HP OpenView     1-3

HSRP

automatic cluster recovery     5-12

cluster standby group considerations     5-11

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

I

ICMP ping

executing     29-12

overview     29-11

IDS, using with SPAN     22-2

IEEE 802.1p     13-1

IFS     1-4

IGMP

joining multicast group     18-3

join messages     18-3

leave processing, enabling     18-10

leaving multicast group     18-5

queries     18-4

report suppression

described     18-6

disabling     18-11

support for     1-3

IGMP filtering

configuring     18-21

default configuration     18-21

described     18-20

monitoring     18-25

support for     1-3

IGMP groups

configuring the filtering action     18-24

setting the maximum number     18-23

IGMP profile

applying     18-22

configuration mode     18-21

configuring     18-21

IGMP snooping

and address aliasing     18-2

configuring     18-6

default configuration     18-7

definition     18-2

enabling and disabling     18-7

global configuration     18-7

Immediate Leave     18-6

method     18-8

monitoring     18-12

support for     1-3

VLAN configuration     18-7

IGMP throttling

configuring     18-24

default configuration     18-21

described     18-20

displaying action     18-25

Immediate-Leave, IGMP     18-6

ingress port scheduling     27-3

initial configuration

defaults     1-8

See also hardware installation guide

interface

number     9-5

range macros     9-7

interface command     9-5

interface configuration mode     2-3

interfaces

configuration guidelines     9-10

configuring     9-5

configuring speed     9-10

counters, clearing     9-17

described     9-14

descriptive name, adding     9-14

displaying information about     9-16

flow control     9-12

management     1-3

monitoring     9-16

naming     9-14

physical, identifying     9-5

range of     9-6

restarting     9-17

shutting down     9-17

supported     9-5

types of     9-1

interfaces range macro command     9-7

interface types     9-5

Inter-Switch Link

See ISL

Intrusion Detection System

See IDS

inventory, cluster     5-20

IOS File System

See IFS

ip access group command     26-17

IP ACLs

applying to an interface     26-16

extended, creating     26-8

implicit deny     26-8, 26-11, 26-13

implicit masks     26-8

named     26-11

standard, creating     26-7

undefined     26-17

virtual terminal lines, setting on     26-16

IP addresses

candidate or member     5-4, 5-13

cluster access     5-2

command switch     5-3, 5-11, 5-13

discovering     6-29

redundant clusters     5-11

standby command switch     5-11, 5-13

See also IP information

ip igmp profile command     18-21

IP information

assigned

manually     4-10