Table Of Contents

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

Index

Numerics

10/100 port speed, setting 4-4

1400W DC power supply 28-5

802.1Q

example 11-9, 11-19

mapping VLANs to ISL 10-11

overview 11-1

restrictions 11-4

supported switches (table) 11-3

802.1X authentication 31-16

authentication server

defined 31-2

client, defined 31-2

configurable parameters 31-6

overview 31-1

support for guest VLANs 31-7

using a RADIUS server for VLAN assignment 31-6

A

accelerator module, switch fabric

See switch fabric accelerator module

accounting

configuration guidelines 30-49

disabling 30-51

enabling 30-50

overview 30-47

See also RADIUS accounting; TACACS+ accounting

adding multicast filter profiles 15-20

addresses

See IP addresses; MAC addresses

Address Resolution Protocol

See ARP

administration

switch 27-1, 38-1

administrative groups, EtherChannel 6-6

advertisements, VTP 9-3

aliases

See command aliases; IP aliases

aliases, command 2-7

ARP

configuring entries 27-8

assigning port filter associations 15-22

attempts, limiting telnet 30-10

audience 1-25

authentication

See 802.1X authentication, Kerberos authentication; local authentication; login authentication; NTP authentication; RADIUS authentication; TACACS+ authentication

authorization

overview 30-40

See also TACACS+ authorization 30-42

authorized ports with 802.1X 31-4

autonegotiation

duplex 4-5

speed 4-5

trunks 11-2

auxiliary VLANs

configuring 10-13

dynamic VLAN membership 12-14

software support 10-5

B

BackboneFast

adding a switch (figure) 8-7

disabling 8-18

displaying statistics 8-17

enabling 8-17

multiple spanning tree 7-15

overview 8-4

backplane channel module 36-4

banners

See login banners

boot configuration

clearing system flash 32-7

ignoring NVRAM 32-6

BOOT environment variables

clearing 32-7, 32-8

default 32-4

displaying 32-8

overview 32-3

setting 32-6, 32-7

boot field

overview 32-2

setting 32-4

BPDU filter

multiple spanning tree 7-15

BPDU guard

disabling 8-14

enabling 8-13

multiple spanning tree 7-15

BPDU overview 7-3

BPDU skewing

configuring 7-57

understanding 7-22

bridge identifiers

MAC addresses 7-13

PVST+ 7-23

bridge protocol data unit

See BPDU

C

Catalyst 2948G switches, overview (table) 1-2, 1-3

Catalyst 2980G switches, overview (table) 1-3

Catalyst Web Interface 24-9

CDP

default configuration 21-2

disabling globally 21-2

disabling on ports 21-2

displaying neighbor information 21-5

enabling globally 21-2

enabling on ports 21-2

overview 21-1

setting holdtime 21-4

setting message interval 21-4

CGMP

clearing multicast groups 15-17

clearing multicast router ports 15-17

configuring multicast groups 15-6, 15-16

disabling 15-8

disabling fast-leave processing 15-7, 15-8

displaying multicast groups 15-6

enabling 15-4

enabling fast-leave processing 15-5

joining multicast groups 15-2

leaving multicast groups 15-2

overview 15-1

specifying multicast router ports 15-15

viewing statistics 15-7

channel modes, EtherChannel (table) 6-5

LACP 6-16

checksum, verifying Flash file 34-7

CIDR

static routes and 27-9

Cisco Discovery Protocol

See CDP

Cisco Group Management Protocol

See CGMP

Cisco IP Phones

sound quality 29-2

CiscoView 24-9

CiscoWorks2000 24-17

CIST 7-15

classification

frames 14-3

classless interdomain routing

See CIDR

class of service

See CoS

clear boot system flash command 32-7

CLI

command aliases 2-7

ROM monitor 2-9

switch

accessing 2-2

designating IP addresses 2-8

designating IP aliases 2-8

designating MAC addresses 2-8

designating modules 2-7

designating ports 2-7

designating VLANs 2-7

help 2-4

history substitution 2-6

operating 2-3

clock, setting 27-4

command aliases

creating 27-6

using 2-7

command-line interface

See CLI

Common and Internal Spanning Tree

See CIST 7-15

Common Spanning Tree

See CST 7-15

community ports

definition 10-16

community strings

defining 24-9

overview 24-5

CONFIG_FILE variable

setting recurrence 32-5

configuration

clearing the 35-8

configuration files

creating 35-2

downloading via RCP 35-6

downloading via TFTP 35-4

guidelines 35-1

uploading preparation 35-5, 35-7

uploading to RCP server 35-7

uploading to TFTP server 35-5

configuration guidelines

TACACS+ accounting 30-49

configuration register

default setting 32-4

ignoring NVRAM at boot 32-6

overview 32-2

setting boot field 32-4

setting CONFIG_FILE recurrence 32-5

configurations

IGMP traffic filtering 15-17

configuring

multicast filtering 15-19

port IP multicast filtering 15-19

configuring a switch

using a file on an rcp server 35-6

console port

disconnecting user sessions 20-8

establishing connections 2-2

monitoring user sessions 20-8

SLIP and 3-8

system message logging settings 37-5

conventions, document 1-28

CoS

configuring default switch values 14-5

drop thresholds

mapping 14-6

transmitting 14-3

Layer 2 CoS values 14-2

reverting to default 14-5

CST 7-15

VLAN 1 7-18

D

databases

downloading VMPS 12-10

See also VMPS databases

date, setting 27-4

daylight saving time

disabling adjustment 39-7

enabling adjustment 39-5

default configurations

Ethernet 4-2

Fast Ethernet 4-2

TACACS+ accounting 30-49

default gateway, configuring 3-7

default IGMP filter configuration 15-18

denying filter match-action 15-21

DHCP

releasing lease 3-11

renewing lease 3-11

sc0 interface and 3-10

disabling IGMP multicast filtering 15-19

DISL

See DTP

DNS

clearing domain names 38-3

default configuration 38-1

disabling 38-3

enabling 38-2

overview 38-1

setting domain names 38-2

setting up 38-2

system name and 27-1

system prompt and 27-1

DNS servers

clearing 38-3

specifying 38-2

documentation

conventions 1-28

organization 1-25

related 1-27

domain names

clearing 38-3

setting 38-2

Domain Name System

See DNS

downloading

configuration files 35-4, 35-6

software images 33-2, 33-6

drop thresholds

CoS mapping 14-6

transmit queue 14-3

DTP

non-Cisco devices and 11-3

overview 11-2

duplex mode

Fast Ethernet 4-5

Dynamic Host Configuration Protocol

See DHCP

dynamic ports

troubleshooting 12-12

dynamic port VLAN membership

See VMPS

Dynamic Trunking Protocol

See DTP

E

efficiency

PoE modules 28-12

enable mode, switch CLI 2-3

enable password

recovering lost 30-14

setting 30-13

enabling IGMP multicast filtering 15-19

enabling IGMP traffic filtering 15-20

encapsulation type descriptions, trunks (table) 11-2

encryption

See secure shell encryption

environment variables

See BOOT environment variables

errdisable timeout, configuring 4-7

error messages

system message logging (syslog) 37-1

VMPS (table) 12-11

establishing multicast filter profiles 15-20

EtherChannel

administrative groups 6-6

channel modes (table) 6-5

LACP 6-16

configuration guidelines 6-3

configuring 6-6

configuring administrative groups 6-7

displaying PAgP statistics 6-12

displaying statistics 6-11

EtherChannel IDs 6-6

frame distribution 6-2

hardware support 6-2

maximum number of channels supported 6-4

modes 6-5

modes, using LACP 6-16

overview 6-1

PAgP and 6-5

port costs 6-8

port-VLAN costs 6-9

sample configuration 11-9

See also Fast EtherChannel; Gigabit EtherChannel

Ethernet

autonegotiation 4-5

checking connectivity 4-8

default configuration 4-2

overview 4-1

setting port duplex 4-5

setting port name 4-3

setting port priority 4-4

setting port speed 4-4

See also protocol filtering

examples, conventions 1-28

extended-range VLANs

See VLANs

F

Fast EtherChannel

example 6-12

overview 6-2

See also EtherChannel; Gigabit EtherChannel

Fast Ethernet

autonegotiation 4-5

checking connectivity 4-8

default configuration 4-2

overview 4-1

setting port duplex 4-5

setting port name 4-3

setting port priority 4-4

setting port speed 4-4

See also protocol filtering

fiber-optic cables, detecting unidirectional links 23-1

filtering

IGMP actions 15-17

filters, protocol

See protocol filtering

Flash file system

copying files 34-4

deleting files 34-5

listing files 34-2, 34-3

restoring deleted files 34-6

setting configuration modes 34-2

setting default devices 34-1

verifying checksum 34-7

verifying file checksum 34-7

flow control

configuring 5-8

overview 5-1

forward delay timer 7-44

frame classification

overview 14-3

frame distribution, EtherChannel 6-2

G

GARP Multicast Registration Protocol

See GMRP

GARP timers

setting 13-6, 15-13

GARP VLAN Registration Protocol

See GVRP

Gigabit EtherChannel

example 6-14

See also EtherChannel; Fast EtherChannel

Gigabit Ethernet

checking connectivity 5-10

configuring flow control 5-8

configuring port negotiation 5-9

default configuration 5-6

flow control 5-1

port negotiation 5-3

port negotiation link states (table) 5-3

setting port names 5-7

setting port priority 5-8

GMRP

clearing statistics 15-15

default configuration 15-8

disabling forward-all option 15-11

disabling globally 15-15

disabling per-port 15-10

enabling forward-all option 15-11

enabling globally 15-9

enabling per-port 15-9

overview 15-3

registration15-11to 15-12

setting timers 15-13

software requirements 15-8

viewing statistics 15-14

group profiles

IGMP multicast 15-17

guest VLAN 31-16

GVRP

clearing statistics 13-8

configuring registration 13-4

disabling 13-8

enabling 13-2

registration 13-5

setting timers 13-6

viewing statistics 13-7

H

hello time

timer 7-44

history

switch CLI 2-6

I

I-BPDU 7-15

ICMP

IP traceroute 20-12

time-exceeded messages 20-12

using ping20-9to 20-10

ID and MAC addresses, bridge 7-13

IEEE 802.1Q

See 802.1Q

IEEE 802.1X

See 802.1X authentication

IGMP

configuration guidelines 15-4

joining multicast groups 15-2

leaving multicast groups 15-2

overview 15-1

using traffic filtering 15-18

IGMP filtering

software requirements 15-18

IGMP filter match-action

denying and verifying 15-21

permitting and verifying 15-20

IGMP multicast filtering

disabling and verifying 15-19

enabling and verifying 15-19

IGMP traffic filtering 15-17

images

See software images; system images

in-band (sc0) interface

See sc0 interface

inferior BPDUs, BackboneFast and 8-4

inline power

configuring on Cisco IP phones 29-3

See PoE

interfaces

me1 (out-of-band management) 3-4, 3-6

sc0 (in-band) 3-4, 10-2

sl0 (SLIP)) 3-8

Internal Spanning Tree

See IST 7-15

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Inter-Switch Link

See ISL

IP addresses

adding to IP permit list 18-2

automatic assignment 3-2

CIDR 27-9

clearing from IP permit list 18-4

creating aliases 27-7

default gateway 3-7

designating 2-8

DHCP and 3-10

me1 interface and 3-6

RARP and 3-10

sc0 interface and 3-5

sl0 interface and 3-10

static routes 27-9

VLANs and 10-2

IP aliases

creating 27-7

designating 2-8

IP multicast

CGMP and 15-3

GMRP and 15-8

group entries 15-15

overview 15-1

router ports and group entries 15-15

See also multicast groups; multicast routers

IP permit lists

adding addresses 18-2

clearing entries 18-4

default configuration 18-2

disabling 18-4

enabling 18-3

overview 18-1

IP Phones

See Cisco IP Phones 29-2

IP traceroutes

executing 20-12

overview 20-12

ISL

mapping 802.1Q VLANs 10-11

overview 11-1

supported switches (table) 11-3

isolated ports

definition 10-16

IST

MST regions 7-15

ISTP 7-15

K

Kerberos authentication

configuration guidelines 30-9

copying SRVTAB files 30-33

defining realm 30-31

disabling credentials forwarding 30-35

enabling 30-31

enabling credentials forwarding 30-34

overview 30-5

servers, specifying 30-32

terminology 30-5, 31-5

keys

See RADIUS keys; TACACS+ keys

L

LACP

configuration parameters 6-17

configuration procedures 6-18

modes 6-16

Layer 2 traceroute

utility 20-11

leave processing, CGMP

disabling 15-7, 15-8

enabling 15-5

limiting telnet attempts 30-10

Link Aggregation Control Protocol

See LACP

listing all multicast filters 15-22

listing port filter associations 15-22

load balancing 7-14

load sharing, trunking and 11-13

local authentication

configuration guidelines 30-9

default configuration 30-8, 30-49

disabling 30-13

enabling 30-12

overview 30-2

password recovery 30-14

setting enable password 30-13

local user authentication

deleting an account 30-15, 30-17

disabling 30-16

enabling 30-15

overview 30-3

setting passwords 30-15

location, setting 27-3

login

limiting attempts 30-2

login authentication

enabling 30-10, 30-11

overview 30-2

login banner

clearing 27-5

configuring 27-4

displaying or suppressing the "Cisco Systems Console" login banner 27-5

overview 27-4

login passwords

recovering lost 30-14

setting 30-12

login timer

changing 20-6

loop guard

multiple spanning tree 7-15

M

MAC addresses

allocating 7-13

blocking 16-1

blocking unicast flood packets 17-1

bridge identifiers 7-13

designating 2-8

disabling notification 16-7

enabling notification 16-7

port security and 16-1

setting notification history log size 16-7

setting notification interval 16-7

management interfaces

overview 3-1

mapping VLANs 10-11

match-action filtering 15-20

maximum aging time timers 7-44

me1 interface

assigning IP addresses 3-6

configuring 3-6

overview 3-1

message-of-the-day

See login banner

metric values, switch TopN reports (table) 22-2

MIBs

Network Analysis Module and 25-2

overview 24-5

MISTP

bridge ID priority 7-32, 7-50

configuring an instance 7-32

conflicts, MISTP VLAN 7-37

default configuration 7-30

enabling an instance 7-36

mapping VLANs to 7-36

MISTP-PVST+ 7-30

port cost 7-33

port instance cost 7-35

port instance priority 7-35

port priority 7-34

unmapping VLANs from 7-39

modes, switch CLI 2-3

modules

checking status 20-1

configuring Ethernet 4-1, 19-1

configuring Fast Ethernet 4-1, 6-1, 19-1

configuring Gigabit Ethernet 5-1

configuring supervisor engine 3-1

designating on command line 2-7

Ethernet

configuring 6-1

Fast Ethernet

configuring 6-1

Gigabit Ethernet

configuring 6-1

power efficiency 28-12

modules, switch fabric accelerator 36-4

MOTD

See login banner

MST 7-14

boundary ports 7-19

bridge ID priority 7-50

configuration guidelines 7-18

configuring 7-46

configuring bridge ID priority 7-50

edge ports 7-20

enabling 7-46

hop count 7-21

instances 7-18

interoperability 7-17

interoperability with PVST+ 7-15

link type 7-20

mapping VLANs to 7-54

master 7-20

message age 7-21

port cost 7-51

port instance cost 7-52

port instance priority 7-53

port priority 7-52

regions 7-18

understanding 7-14

MSTP

M-record 7-15

M-tree 7-15

multicast

See IP multicast

multicast filter profiles

establishing and verifying 15-20

removing 15-21

multicast filters

listing all 15-22

removing all 15-22

multicast groups

CGMP and 15-3

clearing 15-17

configuring 15-6, 15-16

GMRP and 15-8

joining 15-2

leaving 15-2

multicast port filter associations

removing 15-23

multicast routers

clearing ports 15-17

specifying port for 15-15

multiple forwarding paths 7-14

Multiple Instance Spanning Tree Protocol

See MISTP

Multiple Spanning Tree

See MST 7-14

N

names, assigning port 5-7

names, setting port 4-3

native VLANs

802.1Q and 11-4

neighbor devices, displaying 21-5

NetFlow Feature Card

See NFFC/NFFCII

network fault tolerance 7-14

network management

configuring 25-1

See also RMON; SNMP

Network Time Protocol

See NTP

New Software Features in Release 7.7

extended VLAN support with VTP version 3 10-3, 10-4, 10-6, 10-9

NFFC/NFFC II

IGMP snooping and 15-4

protocol filtering and 19-1

NMS

SPAN, configuring 26-1

nonvolatile random-access memory

See NVRAM

normal mode, switch CLI 2-3

normal-range VLANs

See VLANs

NTP

clearing time zone 39-7

configuring broadcast-client mode 39-2

configuring client mode 39-3

default configuration 39-2

disabling 39-8

disabling broadcast-client mode 39-8

disabling client mode 39-8

disabling daylight saving time adjustment 39-7

overview 39-1

NTP authentication

configuring 39-4

enabling daylight saving time adjustment 39-5

setting time zone 39-5

NTP servers

clearing 39-7

specifying 39-3

NVRAM

ignoring content at boot 32-6

setting configuration modes 34-2

O

organization, document 1-25

out-of-band management interface

See me1 interface

P

PAgP

displaying statistics 6-12

overview 6-5

passwords

recovering lost 30-14

setting enable 30-13

permit lists

See IP permit lists

permitting and verifying 15-20

permitting filter match-action 15-20

physical restrictions 15-18

ping

executing 20-10

overview 20-9

testing connectivity 4-8, 5-10

PoE

efficiency 28-12

modes 28-15

overview 28-11

Port Aggregation Protocol

See PAgP

port-based authentication

authentication server

RADIUS server 31-2

device roles 31-2

EAPOL-start frame 31-3

EAP-request/identity frame 31-3

EAP-response/identity frame 31-3

encapsulation 31-2

initiation and message exchange 31-3

ports

authorization state and dot1x port-control command 31-4

authorized and unauthorized 31-4

switch

as proxy 31-2

RADIUS client 31-2

port cost

EtherChannel 6-8

PVST+ 7-25

port debounce timer

disabling 4-6

displaying 4-6

enabling 4-6

PortFast

configuring 8-8

multiple spanning tree 7-15

PortFast BPDU guard

configuring 8-13

disabling 8-14

port filter associations

assigning and listing 15-22

port IP multicast filtering 15-19

port names

Ethernet 4-3

Fast Ethernet 4-3

Gigabit Ethernet 5-7

setting 4-3, 5-7

port negotiation

configuring 5-9

overview 5-3

port priority

Ethernet 4-4

Fast Ethernet 4-4

Gigabit Ethernet 5-8

ports

assigning to VLAN 10-10

checking capabilities 20-5

checking status 20-2

designating on command line 2-7

dynamic VLAN membership overview 12-1

private VLAN 10-16

reconfirming VMPS 12-10

setting the debounce timer 4-6

speed

10/100 Fast Ethernet 4-4

port security

configuring16-1to 16-12

clearing MAC addresses 16-5

guidelines for 16-3

MAC address notification 16-7

monitoring MAC addresses 16-7

specifying age time 16-5

specifying secure MAC addresses 16-4

specifying security violation action 16-8

specifying shutdown time 16-9

disabling 16-9

enabling 16-3

monitoring 16-11

overview 16-1

restricting MAC address traffic 16-10

port VLAN cost

configuring for PVST+ 7-26

setting EtherChannel 6-9

port VLAN priority

configuring 7-27

power

PoE 28-11

power, inline 29-3

power budget

setting 28-21

powered devices

detecting 28-18

powering off 28-17

power requirements 28-16

removing from the netwrok 28-17

wall powered 28-17

power management

Catalyst 4500 series 28-1, 28-6

Catalyst 4500 series power supplies 28-4

combined mode 28-2

configuring combined mode 28-3

configuring redundant mode 28-3

redundancy 28-6

redundant mode 28-2

voice 28-12

power supplies

fixed 28-2

variable 28-2

priority

See port priority

private VLANs

configuration guidelines 10-17

creating 10-19

deleting community VLANs 10-23

deleting isolated VLANs 10-23

deleting mapping 10-23

deleting primary VLANs 10-22

hardware interactions 10-18

isolated VLAN 10-17

overview 10-16

primary VLAN 10-17

software interactions 10-18

privileged mode, switch CLI 2-3

promiscuous ports

communicating 10-16

prompts

configuring 27-2

overview 27-1

protocol filtering

configuring 19-2

default configuration 19-2

overview 19-1

protocol support 19-1

pruning, VTP

See VTP, pruning

PVST+

configuring bridge ID priority 7-23

default configuration 7-22

default port cost mode 7-26

disabling 7-28

port cost 7-25

port priority 7-25

port VLAN cost 7-26

Q

QoS

CoS

mapping drop thresholds 14-6

reverting to port default 14-5

transmitting drop thresholds 14-3

values 14-2

default configuration 14-4

disabling 14-7

displaying information 14-7

enabling 14-5

frame classification 14-3

labels 14-2

overview 14-1

reverting to defaults 14-7

traffic flow (figure) 14-2

transmit queue

overview 14-3

quality of service

See QoS

R

RADIUS

configuration guidelines 30-49

overview 30-47, 30-49

RADIUS accounting

accounting events 30-47

creating accounting records 30-47

disabling 30-51

enabling 30-50

overview 30-47

sample configuration 30-52

specifying servers 30-48

suppressing accounting 30-49

updating the server 30-49

RADIUS authentication

configuration guidelines 30-9

default configuration 30-8, 30-49

disabling 30-29

enabling 30-23

overview 30-4

servers, specifying optional attributes 30-27

setting deadtime 30-27

setting retransmit count 30-26

setting timeout 30-25

using a RADIUS server for 802.1X VLAN assignment 31-6

RADIUS keys

clearing 30-29

specifying 30-24

RADIUS servers

clearing 30-28

specifying 30-23, 30-48

Rapid-PVST+

configuring 7-28

overview 7-12

Rapid Spanning Tree Protocol

See RSTP 7-16

RARP

sc0 interface and 3-10

using 3-10

rcp

downloading configuration files 35-6

uploading configuration files 35-7

related documentation 1-27

remote copy protocol

See RCP

Remote Monitoring

See RMON

Remote Switched Port Analyzer

See RSPAN

removing all multicast filters 15-22

removing hosts 31-16

removing multicast filter profiles 15-21

removing multicast port filter associations 15-23

reports

IGMP filering 15-17

reports, system status 27-12

reserved-range VLANs

See VLANs

restrictions

IGMP traffic filtering 15-18

Reverse Address Resolution Protocol

See RARP

RMON

enabling 25-2

overview 25-1

supported MIB objects 25-2

viewing data 25-2

ROM monitor

BOOT environment variables and 32-3

boot process and 32-2

CLI 2-9

configuration register and 32-2

root guard

disabling 7-43

enabling 7-43

multiple spanning tree 7-15

root switch

configuring primary 7-39

configuring secondary 7-40

overview 7-39

See also root guard

router, multicast

See multicast routers

RSPAN

configuration examples26-14to 26-17

configuration guidelines 26-9

configuring from CLI 26-10

configuring multiple RSPAN sessions 26-15

configuring single RSPAN session 26-14

disabling 26-13

hardware requirements 26-8

overview 26-1

session limits 26-4

See also SPAN; VSPAN

RSTP

overview 7-16

port roles 7-16

port states 7-17

running configuration

downloading via rcp 35-6

S

sc0 interface

assigning IP address 3-5

configuring 3-5

DHCP and 3-10

overview 3-1, 3-4

RARP and 3-10

VLAN assignment 10-2

secure ports

disabling unicast flood blocking 16-6

enabling unicast flood blocking 16-6

secure shell encryption

See SSH

security

configuring 18-1

configuring passwords 30-13

IP permit list 18-1

set spantree portcost command 7-25, 7-51

set spantree priority command 7-50

show port mac-address command 20-4

Simple Network Management Protocol

See SNMP

Single Spanning Tree

See SST 7-15

sl0 interface

configuring 3-8

console port and 3-8

overview 3-1

SLIP interface

See sl0 interface

SNMP

benefits 24-6

clearing IP addresses associated with access numbers 24-13

clearing SNMP community strings 24-12

configuring 24-9

default configuration 24-6

defining community strings 24-9

ifindex persistence feature 24-4

overview 24-5

setting access numbers for hosts 24-12

setting multiple SNMP community strings 24-11

supported RMON MIB objects 25-2

SNMPv3

configuring 24-14

definitions 24-14

overview 24-6

software images

downloading using rcp 33-6

downloading using TFTP 33-2

supervisor engine, description 1-3

uploading to rcp server 33-9

uploading to TFTP server 33-5

software restraints 15-18

SPAN

configuration guidelines 26-5

configuring 26-6

destination port 26-2

disabling 26-8

egress 26-3

ingress 26-3

NMS and 26-1

overview 26-4

session limits 26-4

sessions 26-1

source ports 26-2

traffic 26-4

spanning tree

dummy MAC addresses and 8-4

EtherChannel port costs 6-8

EtherChannel port-VLAN costs 6-9

spanning tree BackboneFast convergence

See BackboneFast

spanning tree PortFast

See PortFast

Spanning Tree Protocol

See STP

spanning tree UplinkFast

See UplinkFast

speed

setting 10/100 Fast Ethernet port 4-4

SSH 20-7

configuring 20-7

SST 7-15

interoperability 7-17

static route, configuring 27-9

status reports, system 27-12

STP

BPDUs and 7-3

forward delay timer 7-44

hello time 7-44

MAC address allocation 7-13

MAC address reduction

enabling 10-6

maximum age timer 7-44

overview 7-2

PortFast, configuring 8-8

port states 7-5

See also MISTP; PVST+

supervisor engine

configuring 3-1

connecting through console port 2-2

default configuration 3-5

default gateways 3-7

me1 interface 3-6

sc0 interface 3-5

sl0 interface 3-8

software description 1-3

software images overview 1-3

startup configuration 32-1

static routes 27-9

uploading software images 33-5, 33-9

switch acceleration 36-1

configuring 36-1, 36-3

switch CLI

accessing 2-2

command aliases 2-7

designating IP addresses 2-8

designating IP aliases 2-8

designating MAC addresses 2-8

designating modules 2-7

designating ports 2-7

designating VLANs 2-7

help 2-4

history substitution 2-6

modes 2-3

operating 2-3

Switched Port Analyzer

See SPAN

switch management interfaces

See me1 interface; sc0 interface; sl0 interface

switch TopN reports

background option 22-2

foreground execution 22-2, 22-3

metric values (table) 22-2

overview 22-1

running 22-3

viewing 22-3

syslog

configuring 37-4

configuring daemon 37-7

configuring servers 37-7

default configuration 37-3

displaying configuration 37-9

displaying message log 37-10

facilities (table) 37-2

limiting the number of syslog messages 37-6

message format 37-3, 37-4

overview 37-1

setting buffer size 37-6

setting logging levels 37-5

setting session settings 37-4

severity levels (table) 37-3

syslog servers

configuring 37-7

system clock, setting 27-4

system contact, setting 27-3

system images

downloading using rcp 33-6

downloading using TFTP 33-2

switch

specifying startup 32-1

uploading 33-9

uploading 33-5

system location, setting 27-3

system message logging

changing enable state timestamp 37-6

configuring 37-4

configuring daemon 37-7

configuring syslog daemon 37-7

default configuration 37-3

displaying configuration 37-9

displaying message log 37-10

facilities (table) 37-2

message format 37-3, 37-4

overview 37-1

setting buffer size 37-6

setting logging levels 37-5

setting session settings 37-4

severity levels (table) 37-3

system name

clearing 27-3

configuring 27-2

overview 27-1

system prompt

configuring 27-2

overview 27-1

system reset

scheduling 27-10

system status report

generating 27-12

T

TACACS+ accounting

accounting events 30-47

configuration guidelines 30-49

creating accounting records 30-47

disabling 30-51

enabling 30-50

overview 30-47

sample configuration 30-52

suppressing accounting 30-49

updating the server 30-49

TACACS+ authentication

configuration guidelines 30-9

default configuration 30-8

disabling 30-22

enabling 30-18

login attempts allowed 30-20

overview 30-3

sample configuration 30-39

timeout interval 30-19

TACACS+ authorization

authorization events 30-40

command authorization 30-41

configuration guidelines 30-42

default configuration 30-42

disabling 30-44

enabling 30-43

fallback options 30-40

overview 30-40

primary options 30-40

sample configuration 30-45

TACACS+ keys

clearing 30-22

specifying 30-19

Telnet

disconnecting user sessions 20-8

executing 20-6

limiting attempts 30-10

monitoring user sessions 20-8

system message logging settings 37-5

text file configuration mode

setting the configuration mode 34-2

TFTP

downloading software images 33-2

uploading configuration files 35-5

uploading software images 33-5

time, setting 27-4

time-exceeded messages 20-12

timers

configuring forward delay 7-44

configuring hello time 7-44

configuring maximum aging time 7-44

GARP 13-6, 15-13

login 20-6

time zone

clearing 39-7

setting 39-5

TopN reports

See switch TopN reports

traceroute

See IP traceroute

traceroute utility, Layer 2 20-11

traffic filtering

IGMP 15-17

transmit queue overview 14-3

troubleshooting

dynamic port VLAN membership 12-12

system message logging and 37-1

VMPS 12-11

trunks

802.1Q restrictions 11-4

allowed VLANs 11-6

autonegotiation 11-2

configuring IEEE 802.1Q 11-5

default configuration 11-5

disabling 11-7

disabling VLAN 1 11-8

encapsulation types

descriptions (table) 11-2

switch support matrix (table) 11-3

modes (table) 11-2

overview 11-1

possible configurations (table) 11-3

sample configurations

Gigabit 11-9

load sharing 11-13

nonnegotiate 11-19

U

UDLD

default configuration 23-2

disabling globally 23-4

disabling on ports 23-4

displaying configuration 23-6

enabling aggressive mode 23-5

enabling globally 23-3

enabling on ports 23-4

hardware requirements 23-2

overview 23-1

software requirements 23-2

specifying message interval 23-5

unauthorized ports with 802.1X 31-4

unclassified frames 14-3

unicast flood blocking

configuring17-1to 17-3

blocking MAC addresses 17-1

guidelines for 17-2

disabling 17-3

disabling on a secure port 16-6

displaying 17-3

enabling 17-2

enabling on a secure port 16-6

UniDirectional Link Detection

See UDLD

UplinkFast

configuring 8-15

dummy MAC addresses 8-4

multiple spanning tree 7-15

overview 8-3

uploading

configuration files 35-5, 35-7

software images 33-5, 33-9

supervisor engine 33-9

user sessions

disconnecting 20-8

monitoring 20-8

using IGMP traffic filtering 15-18

V

verifying disabled IGMP multicast filtering 15-19

verifying enabled IGMP multicast filtering 15-19

verifying IGMP filter match-action 15-20, 15-21

verifying multicast filter profiles 15-20

virtual LANs

See VLANs

VLAN-based SPAN

See VSPAN

VLAN filtering

trunk 26-4

VLAN Membership Policy Server

See VMPS

VLANs

allowed on trunk 11-6

assigning switch ports to 10-10

auxiliary 10-13

configuration guidelines 10-5

default configuration 10-4

deleting 10-12

designating on command line 2-7

Ethernet 10-6, 10-7

extended range 10-3, 10-5

in-band (sc0) interface assignment 10-2

IP subnetworks and 10-2

mapping 802.1Q to ISL 10-11

mapping conflicts 7-37

normal range 10-3

overview 10-1

protocol filtering and 19-1

reserved range 10-3

sc0 (in-band) interface assignment 10-2

See also auxiliary VLANs; native VLANs; private VLANs

VLANs, private

See private VLANs

VLAN Trunking Protocol

See VTP

VMPS

administering 12-9

clear VMPS server entries 12-9

clear VMPS statistics 12-9

configuration guidelines 12-3

configuring 12-4

configuring dynamic port membership 12-8

configuring port statistics 12-10

configuring VMPS clients 12-8

configuring VMPS servers 12-7

database 12-4

default configuration 12-3

disabling 12-10

downloading VMPS database 12-10

error messages (table) 12-11

example 12-12

for auxiliary VLANs 12-14

monitoring 12-9

overview 12-1

reconfirm dynamic port assignments 12-10

reconfirming membership 12-10

troubleshooting 12-11

troubleshooting dynamic ports 12-12

VMPS clients

configuring 12-8

VMPS database

creating 12-4

downloading 12-10

example configuration file 12-6

global settings 12-4

MAC addresses 12-5

port groups 12-5

VLAN groups 12-5

VLAN port policies 12-6

VMPS servers

configuring 12-7

voice interfaces

configuring 29-1

Voice over IP

configuring 29-2

voice-over-IP network

auxiliary VLANs, configuring 10-13

software and hardware requirements 29-1

voice traffic 28-11, 29-3

VSPAN

overview 26-3

VTP

"off" mode, configuring 9-9

advertisements 9-3

caution 9-6

client, configuring 9-7

configuration guidelines 9-6

configuring

client 9-7

server 9-7

default configuration 9-5

disabling 9-8, 9-9

domains 9-2

modes

client 9-2

off 9-3

server 9-2

transparent 9-3

monitoring 9-12

overview 9-1

pruning

configuring 9-11

disabling 9-12

figure 9-4

overview 9-4

server, configuring 9-7

statistics 9-12

transparent mode, configuring 9-8

version 2

disabling 9-10

enabling 9-9

overview 9-3

version 3

configuring 9-22

default configuration 9-22

naming extended range VLANs 10-4, 10-9

propagation of extended range VLANs 10-3, 10-6

understanding 9-13

with private VLANs 10-18

VTP pruning

configuring 9-11

disabling 9-12

overview 9-4

W

write tech support command 27-12