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 4-5

802.1x authentication

overview 27-7

A

accounting 27-60

disabling 27-62

enabling 27-60

example configuration 27-63

RADIUS

accounting events 27-57

creating accounting records 27-58

example configuration 27-63

overview 27-57

servers, specifying 27-58

suppressing accounting 27-59

updating the server 27-59

TACACS+

accounting events 27-57

configuration guidelines 27-60

creating accounting records 27-58

example configuration 27-63

overview 27-57

suppressing accounting 27-59

updating the server 27-59

addresses

IP

adding to IP permit list 17-2

aliases, creating 26-7

automatic assignment 3-2

clearing from IP permit list 17-5

designating 2-9

DHCP and 3-10

in-band (sc0) interface and 3-5

out-of-band management Ethernet (me1) interface and 3-6

SLIP (sl0) interface and 3-10

MAC

designating 2-9

administration

switch 26-1, 34-1

administrative groups, EtherChannel 6-2

advertisements, VTP 9-2

aliases

command, creating 26-5

IP

creating 26-7

designating 2-9

ARP

configuring permanent and static entries 26-7

audience 1-3

authentication

example configuration 27-49

Kerberos

configuration guidelines 27-11

credentials forwarding, disabling 27-37

credentials forwarding, enabling 27-36

enabling 27-32

overview 27-4

realm, defining 27-33

servers, specifying 27-33

SRVTAB files 27-34

local

configuration guidelines 27-11

default configuration 27-10, 27-60

disabling 27-16

enable password, setting 27-15

enabling 27-14

overview 27-2

password recovery 27-17

login

enabling 27-12, 27-13

overview 27-2

NTP 35-4

overview 27-2, 27-57

RADIUS

configuration guidelines 27-11

deadtime, setting 27-28

default configuration 27-10, 27-60

disabling 27-30

enabling 27-25

key, clearing 27-29

key, specifying 27-25

overview 27-4

retransmit count, setting 27-27

servers, clearing 27-29

servers, specifying 27-24

timeout, setting 27-26

TACACS+

configuration guidelines 27-11

default configuration 27-10, 27-60

disabling 27-23

enabling 27-19

example configuration 27-49

key, specifying 27-20

login attempts allowed 27-21

overview 27-3

timeout interval 27-20

authorization

configuration guidelines 27-52

default configuration 27-52

disabling authorization 27-54

enabling authorization 27-53

example configuration 27-56

overview 27-50

TACACS+

authorization configuration guidelines 27-52

authorization events 27-50

authorization primary options and fallback options 27-51

command authorization 27-51

example configuration 27-56

overview 27-50

autonegotiation

duplex 4-6

speed 4-5

trunks 11-2

auxiliary VLANs 10-3

dynamic port VLAN membership 12-10

B

BackboneFast

disabling 8-15

displaying statistics 8-15

enabling 8-14

figure

adding a switch 8-16

overview 8-12

banner

See login banner

BOOT environment variable

clearing 28-8, 28-9

default 28-4

displaying 28-9

overview 28-3, 28-4

setting 28-7, 28-8

boot field

overview 28-3

setting 28-5

booting

ignoring NVRAM 28-7

BPDU guard

disabling 8-7

enabling 8-6

note 8-6

BPDU overview 7-2

bridge ID and MAC addresses 7-12

bridge ID priority, PVST+ 7-14

bridge protocol data units

See BPDUs

C

Catalyst 2948G, overview (table) 1-2

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

Catalyst 4000 family, overview (table) 1-1

CDP

default configuration 20-2

disabling

globally 20-2

on ports 20-3

displaying neighbor information 20-5

enabling

globally 20-2

on ports 20-3

holdtime, setting 20-4

message interval, setting 20-4

overview 20-1

CGMP

disabling 15-8

enabling 15-5

joining multicast group 15-2

leave processing

disabling 15-8

enabling 15-5

leaving multicast group 15-3

multicast group

clearing 15-18

configuring 15-7, 15-17

multicast router ports

clearing 15-18

specifying 15-17

overview 15-2

statistics, viewing 15-7

channel modes, EtherChannel (table) 6-3

checksum, verifying Flash file 30-6

CIDR

static routes and 26-9

Cisco Discovery Protocol

See CDP

Cisco Group Management Protocol

See CGMP

CiscoWorks2000 23-5

classified frames 14-3

Classless InterDomain Routing

See CIDR

clear boot system flash command 28-8

clearing the configuration 31-9

CLI

ROM monitor 2-9

switch

accessing 2-2

help 2-4

history substitution 2-6

IP addresses, designating 2-9

IP aliases, designating 2-9

MAC addresses, designating 2-9

modules, designating 2-8

operating 2-3

ports, designating 2-8

VLANs, designating 2-8

switch CLI

command aliases 2-7

clock, setting 26-4

command aliases 2-7

command aliases, creating 26-5

community ports 10-8

community strings

defining 23-4

overview 23-2

CONFIG_FILE variable

recurrence, setting 28-6

configuration

MISTP 7-22

configuration, clearing 31-9

configuration files

creating 31-2

downloading

RCP 31-7

TFTP 31-4

via RCP 31-6, 31-7

via TFTP 31-4

guidelines for creating 31-1

running configuration

downloading via RCP 31-7

downloading via TFTP 31-4

uploading via RCP 31-8

uploading via TFTP 31-5

uploading

preparation 31-5, 31-8

to RCP server 31-8

to TFTP server 31-5

configuration guidelines

RADIUS accounting 27-60

TACACS+ accounting 27-60

configuration register

boot field

switch, setting 28-5

CONFIG_FILE recurrence, setting 28-6

default setting 28-4

ignoring NVRAM at boot 28-7

overview 28-2

console port

establishing a connection 2-2

SLIP and 3-9

system message logging settings 33-5

user sessions

disconnecting 19-8

monitoring 19-7

contact, setting 26-3

conventions, documentation 1-6

CoS

default switch CoS 14-5

drop thresholds

mapping 14-6

transmit 14-3

port and

reverting to default 14-5

values 14-3

CWSI Campus 23-5

D

databases

See VMPS databases

date, setting 26-4

daylight saving time

disabling adjustment 35-7

enabling adjustment 35-6

default configuration

CDP 20-2

DNS 34-1

errdisable timeout 4-6

EtherChannel 6-4

Ethernet 4-3

Fast EtherChannel 6-4

Fast Ethernet 4-3

Fast Ethernet trunks 11-5

Gigabit EtherChannel 6-4

Gigabit Ethernet 5-6

Gigabit Ethernet trunks 11-5

GMRP 15-9

IP permit list 17-2

Kerberos authentication 27-10

local authentication 27-10

NTP 35-2

protocol filtering 18-2

QoS 14-4

RADIUS accounting 27-60

RADIUS authentication 27-10

SNMP 23-3

supervisor engine 3-5

switch boot configuration 28-4

system message logging 33-4

TACACS+ accounting 27-60

TACACS+ authentication 27-10

UDLD 22-3

VLANs 10-3

VTP 9-5

default gateway, configuring 3-7

DHCP

in-band (sc0) interface and 3-10

releasing lease 3-11

renewing lease 3-11

DISL

See DTP

DNS

default configuration 34-1

disabling 34-3

domain name

clearing 34-3

setting 34-2

enabling 34-2

overview 34-1

server

clearing 34-3

specifying 34-2

setting up 34-2

system name and 26-1

system prompt and 26-1

documentation, related 1-5

document conventions 1-6

document organization 1-3

domain name

clearing 34-3

setting 34-2

Domain Name System

See DNS

downloading

configuration files

RCP 31-7

TFTP 31-4

via RCP 31-6, 31-7

via TFTP 31-4

software images

overview 29-1, 29-6

preparation 29-2, 29-6

supervisor 29-2, 29-6

drop thresholds

CoS mapping 14-6

transmit queue 14-3

DTP

non-Cisco devices and 11-3

overview 11-2

duplex

Fast Ethernet 4-6

dynamic port VLAN membership

configuring 12-5

default configuration 12-2

example 12-8

for auxiliary VLANs 12-10

overview 12-1

troubleshooting 12-6

Dynamic Trunking Protocol

See DTP

E

enable mode, switch CLI 2-3

enable password

recovering lost 27-17

setting 27-15

encapsulation type descriptions, trunks (table) 11-3

environment variables

BOOT

clearing 28-8

displaying 28-9

overview 28-3, 28-4

setting 28-7, 28-8

errdisable timeout, configuring 4-6

error messages

system message logging (syslog) 33-1

VMPS (table) 12-6

EtherChannel

administrative groups

configuring 6-6

overview 6-2

channel modes (table) 6-3

configuration example 6-12

configuration guidelines 6-4

configuring 6-5

default configuration 6-4

EtherChannel IDs 6-2

example configuration 6-14, 11-8

frame distribution 6-3

hardware support 6-4

modes 6-3

overview 6-1

PAgP and 6-2

PAgP statistics, displaying 6-11

port costs 6-7

port-VLAN costs 6-8

statistics, displaying 6-10

Ethernet

autonegotiation, speed 4-5

checking connectivity 4-7

default configuration 4-3

overview 4-1

port duplex, setting 4-6

port name, setting 4-3

port priority, setting 4-4

port speed, setting 4-5

protocol filtering

See protocol filtering

examples, conventions 1-6

F

Fast EtherChannel

See EtherChannel

Fast Ethernet

autonegotiation, speed 4-5

checking connectivity 4-7

default configuration 4-3

EtherChannel

See EtherChannel

overview 4-1

port duplex, setting 4-6

port name, setting 4-3

port priority, setting 4-4

port speed, setting 4-5

protocol filtering

See protocol filtering

trunks

See trunks

fiber-optic, detecting unidirectional links 22-1

filters

protocol

See protocol filtering

Flash file system

checksum, verifying 30-6

copying files 30-3

default device, setting 30-1

deleting files 30-5

listing files 30-2

restoring deleted files 30-5

verifying file checksum 30-6

flow control

Gigabit Ethernet

configuring 5-8

overview 5-1

frame classification 14-3

frame distribution, EtherChannel 6-3

G

GARP Multicast Registration Protocol

See GMRP

GARP timers 13-7, 15-14

Gigabit EtherChannel

See EtherChannel

Gigabit Ethernet

checking connectivity 5-10

default configuration 5-6

flow control

configuring 5-8

overview 5-1

port name, setting 5-7

port negotiation

configuring 5-9

overview 5-3

possible link states (table) 5-3

port priority, setting 5-8

protocol filtering

See protocol filtering

trunks

See trunks

GMRP

default configuration 15-9

disabling

globally 15-16

per-port 15-11

enabling

globally 15-10

per-port 15-10

forward-all option

disabling 15-12

enabling 15-12

hardware and software requirements 15-9

overview 15-3

registration

fixed 15-13

forbidden 15-14

normal 15-13

statistics

clearing 15-16

viewing 15-15

timers 15-14

GVRP

disabling

globally 13-9

on 802.1Q ports 13-9

enabling

globally 13-3

on 802.1Q ports 13-4

registration

fixed 13-5

forbidden 13-6

normal 13-5

statistics

clearing 13-8

viewing 13-8

timers 13-7

H

history

switch CLI 2-6

I

ICMP

ping

executing 19-9

overview 19-8

time exceeded messages 19-11

traceroute and 19-11

IEEE 802.1Q

configuring 11-5

example configuration 11-8, 11-18

mapping VLANs to ISL 10-5

overview 11-1

restrictions 11-4

supported switches (table) 11-4

IEEE 802.1X 27-7

IGMP

configuration guidelines 15-4

joining multicast group 15-2

leaving multicast group 15-3

overview 15-2

images

See software images

in-band (sc0) interface

configuring 3-5

DHCP and 3-10

IP address, assigning 3-6

overview 3-1, 3-5

RARP and 3-10

VLAN assignment 10-2

inferior BPDU, BackboneFast and 8-12

interfaces

in-band (sc0) 3-5, 10-2

out-of-band management (me1) 3-5, 3-6

SLIP (sl0) 3-5, 3-9

IP

CIDR and 26-9

default gateway, configuring 3-7

static routes 26-9

subnetworks, VLANs and 10-2

IP addresses

adding to IP permit list 17-2

aliases, creating 26-7

automatic assignment 3-2

clearing from IP permit list 17-5

designating 2-9

DHCP and 3-10

in-band (sc0) interface and 3-5

out-of-band management Ethernet (me1) interface and 3-6

RARP and 3-10

setting on supervisor 3-5, 3-6

SLIP (sl0) interface and 3-10

IP aliases

creating 26-7

designating 2-9

IP multicast

CGMP and 15-4

GMRP and 15-9

group entries 15-17

overview 15-1

router ports and 15-17

IP permit list

addresses, adding 17-2

clearing entries 17-5

default configuration 17-2

disabling 17-4

enabling 17-3

overview 17-1

IP traceroute

executing 19-12

overview 19-11

ISL

mapping 802.1Q VLANs 10-5

overview 11-1

supported switches (table) 11-4

isolated port 10-8

K

Kerberos

configuration guideliens 27-11

credentials forwarding, disabling 27-37

credentials forwarding, enabling 27-36

enabling 27-32

overview 27-4

realm, defining 27-33

servers, specifying 27-33

SRVTAB files, copying 27-34

Kerberos authentication

terminology 27-5, 27-8

key

RADIUS

clearing 27-29

specifying 27-25

TACACS+

clearing 27-23

specifying 27-20

L

Layer 2 traceroute utility 19-10

leave processing, CGMP

disabling 15-8

enabling 15-5

limit telnet attempts 27-12

load sharing, trunking and 11-12

local authentication

configuration guidelines 27-11

default configuration 27-10, 27-60

disabling 27-16

enable password

setting 27-15

enabling 27-14

overview 27-2

password recovery 27-17

location, setting 26-3

login

limit attempts 27-2

login authentication

enabling 27-12, 27-13

overview 27-2

login banner

clearing 26-5

configuring 26-4

overview 26-4

login password

recovering lost 27-17

setting 27-15

M

MAC addresses

allocation 7-12

blocking 16-1

designating 2-9

port security and 16-1

mapping VLANs 10-5

me1 (out-of-band management) interface

configuring 3-6

IP address, assigning 3-6

overview 3-1

message-of-the-day

See login banner

metric values, switch TopN reports (table) 21-2

MIBs

Network Analysis Module and 24-3

overview 23-1

MISTP

bridge ID priority 7-22

caution 7-20

configuring an instance 7-21

conflicts, MISTP VLAN 7-27

default configuration 7-19

enabling an instance 7-25

mapping VLANs to 7-26

MIST-PVST+ 7-19

port cost 7-22

port instance cost 7-24

port instance priority 7-24

port priority 7-23

unmapping VLANs from 7-27

modes, switch CLI 2-3

modules

checking status 19-1

designating on command-line 2-8

Ethernet

configuring 4-1, 6-1, 18-1

Fast Ethernet

configuring 4-1, 6-1, 18-1

Gigabit Ethernet

configuring 5-1, 6-1

supervisor engine

configuring 3-1

MOTD

See login banner

multicast

CGMP and 15-4

GMRP and 15-9

groups

clearing 15-18

configuring 15-7, 15-17

joining 15-2

leaving 15-3

overview 15-1

router

clearing ports 15-18

specifying port for 15-17

N

name, setting port 4-3, 5-7

native VLAN

802.1Q and 11-4

neighbor devices, displaying 20-5

network management

configuring 23-1, 24-1

Network Time Protocol

See NTP

NFFC/NFFC II

IGMP snooping and 15-4

protocol filtering and 18-1

normal mode, switch CLI 2-3

NTP

authentication 35-4

broadcast-client mode

configuring 35-3

disabling 35-8

client mode

configuring 35-3

disabling 35-8

daylight saving time adjustment

disabling 35-7

enabling 35-6

default configuration 35-2

disabling 35-8

overview 35-1

server

clearing 35-7

specifying 35-3

time zone

clearing 35-7

setting 35-5

NVRAM

ignoring content at boot 28-7

O

out-of-band management (me1) interface

configuring 3-6

IP address, assigning 3-6

overview 3-1

overview

Catalyst 2948G switch (table) 1-2

Catalyst 2980G series switches (table) 1-3

Catalyst 4000 family switches (table) 1-1

supervisor engine software 1-3

P

PAgP

overview 6-2

statistics, displaying 6-11

passwords

enable 27-15

recovering lost

on switch 27-17

permit list

See IP permit list

ping

executing 19-9

overview 19-8

testing connectivity 4-7, 5-10

Port Aggregation Protocol

See PAgP

port cost

EtherChannel 6-7

PortFast

BPDU guard 8-3

configuring 8-4

disabling 8-7

enabling 8-6

PortFast, configuring 8-2

port negotiation

Gigabit Ethernet

configuring 5-9

overview 5-3

ports

capabilities, checking 19-4

checking status 19-2

community 10-8

designating on command-line 2-8

duplex

Ethernet 4-6

Fast Ethernet 4-6

dynamic VLAN membership overview 12-1

errdisable timeout, configuring 4-6

isolated 10-8

name

Ethernet 4-3

Fast Ethernet 4-3

Gigabit Ethernet 5-7

priority

Ethernet 4-4

Fast Ethernet 4-4

Gigabit Ethernet 5-8

promiscuous 10-8

speed

10/100 Fast Ethernet 4-5

VLAN assignments 10-4

port security

clearing

MAC addresses 16-5

configuration guidelines 16-3

configuring 16-1

age time, specifying 16-5

MAC addresses, specifying number 16-4

security violation action, specifying 16-6

shutdown time, specifying 16-6

disabling 16-7

monitoring 16-8

overview 16-1

port-VLAN cost

EtherChannel 6-8

priority

Ethernet ports 4-4

Fast Ethernet ports 4-4

Gigabit Ethernet ports 5-8

private VLANs 10-7

configuration guidelines 10-9

creating 10-11

delete mapping 10-15

deleting 10-14

deleting isolated or community VLAN 10-14

hardware/software interactions 10-9

isolated VLAN 10-8

primary VLAN 10-8

privileged mode, switch CLI 2-3

prompt

configuring 26-2

overview 26-1

protocol filtering

configuring 18-3

default configuration 18-2

overview 18-1

protocol support 18-1

pruning, VTP

See VTP, pruning

PVST+ 7-13

bridge ID priority, configuring 7-14

default configuration 7-13

default port cost mode 7-16

disabling 7-18

port cost 7-15

port priority 7-16

port VLAN cost 7-17

port VLAN priority 7-17

Q

QoS

CoS

drop thresholds, mapping 14-6

drop thresholds, transmit 14-3

reverting to port default 14-5

values 14-3

default configuration 14-4

disabling 14-8

enabling 14-5

frame classification 14-3

information display command 14-7

labels 14-3

overview 14-1

revert to defaults 14-7

traffic flow

Catalyst 4000 and 2948G (Figure) 14-2

traffic flow (figure) 14-2

transmit queue

overview 14-3

Quality of Service

See QoS

R

RADIUS

configuration guidelines 27-11, 27-60

deadtime, setting 27-28

default configuration 27-10, 27-60

disabling 27-30

enabling 27-25

example configuration 27-63

key

clearing 27-29

specifying 27-25

overview 27-4, 27-57, 27-58, 27-59

retransmit count, setting 27-27

servers

clearing 27-29

specifying 27-24, 27-58

timeout, setting 27-26

RADIUS accounting

disabling 27-62

enabling 27-60

RARP

in-band (sc0) interface and 3-10

rcp

downloading configuration files 31-7

downloading software images

supervisor engine 29-6

switching modules 29-6

uploading configuration files 31-8

related documentation 1-5

Remote Monitoring

See RMON

Resource Manager Essentials 23-5

RMON

enabling 24-2

overview 24-1

supported MIB objects 24-3

viewing data 24-2

ROM monitor

BOOT environment variable and 28-3, 28-4

boot process and 28-2

CLI 2-9

configuration register and 28-2

root guard

disabling 7-31

enabling 7-31

root switch 7-28

primary, configuring 7-28

secondary, configuring 7-29

See also root guard

router, multicast 15-17

S

sc0 (in-band) interface

configuring 3-5

IP address, assigning 3-6

overview 3-1

VLAN assignment 10-2

secure shell encryption

configuring 19-6

security

configuring 17-1

IP permit list 17-1

passwords, configuring 27-15

set defaultcostmode command 7-17

set spantree portcost command 7-15, 7-22

set spantree portpri command 7-16

set spantree portvlancost command 7-17

set spantree priority command 7-14, 7-22

show spantree conflicts command 7-27

Simple Network Management Protocol

See SNMP

sl0 (SLIP) interface

configuring 3-9

overview 3-1

SLIP

console port and 3-9

sl0 interface 3-5

SLIP (sl0) interface

configuring 3-9

overview 3-1

SNMP

community strings

defining 23-4

overview 23-2

configuring 23-3

default configuration 23-3

ifindex persistence feature 23-2

overview 23-1

supported RMON MIB objects 24-3

software images

downloading

overview 29-1, 29-6

preparation 29-2, 29-6

supervisor 29-2, 29-6

supervisor engine, description 1-3

uploading

preparation 29-5, 29-9

supervisor 29-5, 29-9

SPAN

configuration guidelines 25-2

configuring 25-2

disabling 25-4

overview 25-1

spanning tree

EtherChannel port costs 6-7

EtherChannel port-VLAN costs 6-8

UplinkFast

dummy MAC addresses and 8-9

spanning-tree backbone fast convergence

See BackboneFast

spanning-tree PortFast

See PortFast

Spanning Tree Protocol

See STP

spanning-tree UplinkFast

See UplinkFast

speed

10/100 Fast Ethernet port, setting 4-5

SSH 19-6

static route, configuring 26-9

STP

BPDUs and 7-2

forward delay timer 7-32

hello time 7-32

IEEE, overview 7-1

MAC address allocation 7-12

maximum age timer 7-32

PortFast, configuring 8-2

port states 7-4

See also MISTP and PVST+

timers

See timers, configuring

supervisor engine

BOOT environment variable

clearing 28-8, 28-9

displaying 28-9

overview 28-3, 28-4

setting 28-7, 28-8

configuration register

boot field, setting 28-5

ignore NVRAM, setting 28-7

overview 28-2

configuring 3-1

console port

establishing connection 2-2

SLIP and 3-9

default boot configuration 28-4

default configuration 3-5

default gateways 3-7

downloading software images 29-2, 29-6

IP address, setting 3-5, 3-6

management interfaces

me1 (out-of-band), configuring 3-6

overview 3-1

sc0 (in-band), configuring 3-5

sl0 (SLIP), configuring 3-9

me1 (out-of-band management) interface 3-6

preparing to configure 3-4

ROM monitor 28-2

sc0 (in-band) interface 3-5

sl0 (SLIP) interface 3-9

software description 1-3

software images

downloading 29-2, 29-6

overview 1-3

startup, specifying 28-1

uploading 29-5, 29-9

startup configuration 28-1

static routes 26-9

uploading software images 29-5, 29-9

switch acceleration

configuring 32-1, 32-3

switch administration

modules, checking status 19-1

ports, checking status 19-2

procedures 26-1, 34-1

switch CLI

accessing 2-2

command aliases 2-7

help 2-4

history substitution 2-6

IP addresses, designating 2-9

IP aliases, designating 2-9

MAC addresses, designating 2-9

modes 2-3

modules, designating 2-8

operating 2-3

ports, designating 2-8

VLANs, designating 2-8

Switched Port Analyzer

See SPAN

switch fabric accelerator module 32-4

switch management interfaces

See supervisor engine, management interfaces

switch TopN reports

background execution 21-2

foreground execution 21-2

metric values (table) 21-2

overview 21-1

running 21-3

viewing 21-3

syslog

buffer size, setting 33-6

configuration, displaying 33-9

configuring 33-4

daemon, configuring 33-7

default configuration 33-4

facilities (table) 33-2

logging levels, setting 33-6

message format 33-3

message log, displaying 33-10

overview 33-1

server, configuring 33-7

session settings, setting 33-4

severity levels (table) 33-3

timestamp, changing enable state 33-6

system clock, setting 26-4

system contact, setting 26-3

system image

switch

downloading 29-2, 29-6

overview 1-3

startup, specifying 28-1

uploading 29-5, 29-9

system location, setting 26-3

system message logging

buffer size, setting 33-6

configuration, displaying 33-9

configuring 33-4

daemon, configuring 33-7

default configuration 33-4

facilities (table) 33-2

logging levels, setting 33-6

message format 33-3

message log, displaying 33-10

overview 33-1

server, configuring 33-7

session settings, setting 33-4

severity levels (table) 33-3

syslog daemon, configuring 33-7

timestamp, changing enable state 33-6

system name

clearing 26-3

configuring 26-2

overview 26-1

system prompt

configuring 26-2

overview 26-1

system reset

scheduling 26-10

system status report 26-12

T

TACACS+

configuration guidelines 27-11, 27-60

default configuration 27-10, 27-60

disabling 27-23

enabling 27-19

example configuration 27-49, 27-56, 27-63

key, specifying 27-20

login attempts allowed 27-21

overview 27-3, 27-50, 27-51, 27-57, 27-58, 27-59

timeout interval 27-20

TACACS+ accounting

disabling 27-62

enabling 27-60

Telnet

system message logging settings 33-5

user sessions

disconnecting 19-8

monitoring 19-7

telnet

limit attempts 27-12

Telnet, executing 19-5

TFTP

downloading software images

supervisor engine 29-2, 29-6

uploading configuration files 31-5

uploading software images 29-5, 29-9

Ticket Granting Ticket 27-5

time, setting 26-4

timers, configuring

forward delay 7-32

hello time 7-32

maximum aging time 7-32

time zone

clearing 35-7

setting 35-5

TopN reports

See switch TopN reports

traceroute

See IP traceroute

troubleshooting

dynamic port VLAN membership 12-6

system message logging and 33-1

VMPS 12-6

trunks

allowed VLANs 11-6

autonegotiation 11-2

default configuration 11-5

disabling 11-7

disabling VLAN 1 11-22

encapsulation types

descriptions (table) 11-3

switch support matrix (table) 11-4

example configurations

802.1Q 11-8

IEEE 802.1Q 11-18

load sharing 11-12

IEEE 802.1Q

configuring 11-5

restrictions 11-4

modes (table) 11-2

overview 11-1

possible configurations (table) 11-3

VLANs, allowed 11-6

U

UDLD

default configuration 22-3

disabling globally 22-4

disabling on ports 22-4

displaying configuration 22-6

enabling aggressive mode 22-5

enabling globally 22-3

enabling on ports 22-4

overview 22-1

software and hardware requirements 22-2

specifying the message interval 22-5

unclassified frames 14-3

UniDirectional Link Detection protocol

See UDLD

UplinkFast

configuring 8-10

dummy MAC addresses and 8-9

overview 8-8

uploading

configuration files

preparation 31-5, 31-8

running configuration 31-5, 31-8

TFTP 31-5

software images

preparation 29-5, 29-9

supervisor 29-5, 29-9

user sessions

disconnecting 19-8

monitoring 19-7

V

virtual LAN

See VLANs

VLAN Management Policy Server

See VMPS

VLANs

allowed on trunk 11-6

assigning ports to 10-4

configuration guidelines 10-3

default configuration 10-3

deleting 10-7

designating on command-line 2-8

Ethernet 10-4

in-band (sc0) interface assignment 10-2

IP subnetworks and 10-2

mapping 802.1Q to ISL 10-5

MISTP VLAN conflicts

See MISTP

native

802.1Q and 11-4

overview 10-1

ports, assigning to 10-4

private

See private VLANs

protocol filtering and 18-1

sc0 (in-band) interface assignment 10-2

trunks

See trunks

VLAN Trunk Protocol

See VTP

VMPS

configuring 12-4

configuring dynamic port membership 12-5

default configuration 12-2

dynamic port membership

example 12-8

overview 12-1

troubleshooting 12-6

error messages (table) 12-6

overview 12-1

troubleshooting 12-6

VMPS database

creating 12-3

example configuration file 12-7

VTP

advertisements 9-2

client, configuring 9-6

configuration guidelines 9-5

default configuration 9-5

disabling 9-7

domains 9-2

modes

client 9-2

server 9-2

transparent 9-2

monitoring 9-10

overview 9-1

pruning

configuring 9-9

disabling 9-10

overview 9-3

server, configuring 9-6

statistics 9-10

transparent mode, configuring 9-7

version 2

disabling 9-8

enabling 9-8

overview 9-3

VTP pruning

configuring 9-9

disabling 9-10

overview 9-3

W

write tech support 26-12