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
802.1Q
example 11-8, 11-18
mapping VLANs to ISL 10-5
overview 11-1
restrictions 11-4
supported switches (table) 11-4
802.1x authentication
configurable parameters 27-9
overview 27-7
A
accelerator module, switch fabric
See switch fabric accelerator module
accounting
configuration guidelines 27-60
disabling 27-62
enabling 27-60
overview 27-57
See Radius accounting; TACACS+ accounting
acronymsA-1to A-9
adding a multicast filter profile 15-21
addresses
See IP addresses; MAC addresses
Address Resolution Protocol
See ARP
administration
switch 26-1, 34-1
administrative groups, EtherChannel 6-6
advertisements
See VTP advertisements
aliases
See command aliases; IP aliases
aliases, command 2-7
ARP
configuring entries 26-7
assigning port Filter associations 15-24
attempts, limiting telnet 27-12
audience xxi
authentication
overview 27-2
See also 802.1x authentication, Kerberos authentication; local authentication; login authentication; NTP authentication; RADIUS authentication; TACACS+ authentication
authorization
overview 27-50
See also TACACS+ authorization 27-52
autonegotiation
duplex 4-5
speed 4-5
trunks 11-2
auxiliary VLANs
dynamic port VLAN membership 12-11
software support 10-3
B
Backbone Fast
multiple spanning tree 7-13
BackboneFast
adding a switch (figure) 8-18
disabling 8-17
displaying statistics 8-16
enabling 8-16
overview 8-13
Backplane Channel module 32-4
banners
See login banners
boot configuration
clearing system flash 28-8
ignoring NVRAM 28-6
BOOT environment variables
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
BPDU Filter
multiple spanning tree 7-13
BPDU Guard
multiple spanning tree 7-13
BPDU guard
disabling 8-9
enabling 8-8
BPDU skewing
configuring 7-41
understanding 7-41
BPDUs overview 7-2
bridge identifiers
MAC addresses 7-12
PVST+ 7-21
bridge protocol data units
See BPDUs
C
Catalyst 2948G switches, overview (table) 1-2
Catalyst 2980G switches, overview (table) 1-3
Catalyst 4000 family switches, overview (table) 1-1
CDP
default configuration 20-2
disabling globally 20-2
disabling on ports 20-3
displaying neighbor information 20-5
enabling globally 20-2
enabling on ports 20-3
overview 20-1
setting holdtime 20-4
setting message interval 20-4
CGMP
clearing multicast groups 15-18
clearing multicast router ports 15-18
configuring multicast groups 15-7, 15-17
disabling 15-9
disabling fast-leave processing 15-8
displaying multicast groups 15-7
enabling 15-5
enabling fast-leave processing 15-5, 15-6
joining multicast groups 15-2
leaving multicast group 15-2
leaving multicast groups 15-2
overview 15-1
specifying multicast router ports 15-17
viewing statistics 15-8
channel modes, EtherChannel (table) 6-5
LACP 6-17
checksum, verifying Flash file 30-7
CIDR
static routes and 26-9
Cisco Discovery Protocol
See CDP
Cisco Group Management Protocol
See CGMP
CiscoWorks2000 23-13
CIST 7-13
classification
frames 14-3
Classless InterDomain Routing
See CIDR
clear boot system flash command 28-8
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 26-4
command aliases
creating 26-5
using 2-7
command line interface
See CLI
Common and Internal Spanning Tree
See also CIST 7-13
Common Spanning Tree
See CST 7-13
community ports
definition 10-8
community strings
defining 23-5
overview 23-2
CONFIG_FILE variable
setting recurrence 28-6
configuration
MISTP 7-48
configuration, clearing 31-8
configuration files
creating 31-2
downloading via RCP 31-6
downloading via rcp 31-6
downloading via TFTP 31-4
guidelines for creating 31-1
uploading
preparation 31-7
uploading preparation 31-5
uploading to rcp server 31-7
uploading to TFTP server 31-5
configuration guidelines
TACACS+ accounting 27-60
configuration register
default setting 28-4
ignoring NVRAM at boot 28-6
overview 28-2
setting boot field 28-5
setting CONFIG_FILE recurrence 28-6
configurations
IGMP traffic filtering 15-19
configuring 15-21
configuring port IP multicast filtering 15-21
console port
disconnecting user sessions 19-9
establishing connections 2-2
monitoring user sessions 19-8
SLIP and 3-9
system message logging settings 33-5
conventions, document xxiv
CoS
configuring default switch values 14-5
drop thresholds
mapping 14-6
transmit 14-3
Layer 2 CoS values, definition 14-2
reverting to default 14-5
CST 7-13
common spanning tree 7-17
D
databases
See VMPS databases
date, setting 26-4
daylight saving time
disabling adjustment 35-7
enabling adjustment 35-5
default configuration
Ethernet 4-3
Fast Ethernet 4-3
TACACS+ accounting 27-60
default gateway, configuring 3-7
default IGMP filter configuration 15-20
denying filter match-action 15-22
DHCP
releasing lease 3-11
renewing lease 3-11
sc0 interface and 3-10
disabling IGMP multicast filtering 15-20
DISL
See DTP
DNS
clearing domain names 34-3
default configuration 34-1
disabling 34-3
enabling 34-2
overview 34-1
setting domain names 34-2
setting up 34-2
system name and 26-1
system prompt and 26-1
DNS servers
clearing 34-3
specifying 34-2
documentation
conventions xxiv
organization xxi
related xxiii
domain names
clearing 34-3
setting 34-2
Domain Name System
See DNS
downloading
configuration files 31-4, 31-6
software images 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 mode
Fast Ethernet 4-5
Dynamic Host Configuration Protocol
See DHCP
dynamic port VLAN membership
configuring 12-5
default configuration 12-2
example 12-9
for auxiliary VLANs 12-11
overview 12-1
troubleshooting 12-7
Dynamic Trunking Protocol
See DTP
E
enable mode, switch CLI 2-3
enable password
recovering lost 27-17
setting 27-15
enabling IGMP multicast filtering 15-20
enabling IGMP traffic filtering 15-21
encapsulation type descriptions, trunks (table) 11-3
encryption
See secure shell encryption
environment variables
See BOOT environment variables
errdisable timeout, configuring 4-6
error messages
system message logging (syslog) 33-1
VMPS (table) 12-6
establishing a multicast filter profile 15-21
EtherChannel
administrative groups 6-6
channel modes (table) 6-5
LACP 6-17
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
example configuration 11-8
frame distribution 6-2
hardware support 6-2
maximum number of channels supported 6-4
modes 6-5
modes, using LACP 6-17
overview 6-1
PAgP and 6-5
port costs 6-8
port-VLAN costs 6-9
See also Fast EtherChannel; Gigabit EtherChannel
Ethernet
autonegotiation 4-5
checking connectivity 4-7
default configuration 4-3
overview 4-1
See protocol filtering
setting port duplex 4-5
setting port name 4-3
setting port priority 4-4
setting port speed 4-5
examples, general conventions xxiv
F
Fast EtherChannel
example 6-13
overview 6-2
See also EtherChannel; Gigabit EtherChannel
Fast Ethernet
autonegotiation 4-5
checking connectivity 4-7
default configuration 4-3
overview 4-1
See protocol filtering
setting port duplex 4-5
setting port name 4-3
setting port priority 4-4
setting port speed 4-5
fiber-optic cables, detecting unidirectional links 22-1
filtering
IGMP actions 15-19
filters, protocol
See protocol filtering
Flash file system
copying files 30-4
deleting files 30-5
listing files 30-3
restoring deleted files 30-6
setting configuration modes 30-2
setting default device 30-1
verifying checksum 30-7
verifying file checksum 30-7
flow control
configuring 5-8
overview 5-1
forward delay timer 7-38
frame classification
overview 14-3
frame distribution, EtherChannel 6-2
G
GARP Multicast Registration Protocol
See GMRP
GARP timers
setting 13-7, 15-14
GARP VLAN Registration Protocol
See GVRP
Gigabit EtherChannel
example 6-15
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 15-16
default configuration 15-10
disabling forward-all option 15-12
disabling globally 15-16
disabling per-port 15-11
enabling forward-all option 15-12
enabling globally 15-10
enabling per-port 15-11
overview 15-3
registration15-13to 15-14
setting timers 15-14
software requirements 15-9
viewing statistics 15-15
group profiles
IGMP multicast 15-19
GVRP
clearing statistics 13-8
configuring registration 13-5
disabling 13-9
enabling 13-3
registration 13-6
setting timers 13-7
viewing statistics 13-8
H
hello time
timer 7-38
history
switch CLI 2-6
I
I-BPDU 7-13
ICMP
IP traceroute 19-13
time exceeded messages 19-13
using ping19-9to 19-10
ID and MAC addresses, bridge 7-12
IEEE 802.1Q
example 11-8
overview 11-1
restrictions 11-4
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 15-19
IGMP filtering
software requirements 15-19
IGMP filter match-action
denying and verifying 15-22
permitting and verifying 15-22
IGMP multicast filtering
disabling and verifying 15-20
enabling and verifying 15-20
IGMP traffic filtering 15-19
images
See software images; system images
in-band (sc0) interface
See sc0 interface
inferior BPDUs, BackboneFast and 8-14
interfaces
me1 (out-of-band management) 3-5, 3-6
sc0 (in-band) 3-5, 10-2
sl0 (SLIP)) 3-9
Internal Sub Tree Protocol
See ISTP 7-13
Internet Control Message Protocol
See ICMP
Internet Group Management Protocol
See IGMP
Inter-Switch Link
See ISL
IP addresses
adding to IP permit list 17-2
automatic assignment 3-2
CIDR 26-9
clearing from IP permit list 17-4
creating aliases 26-6
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 26-8
VLANs and 10-2
IP aliases
creating 26-6
designating 2-8
IP multicast
CGMP and 15-4
GMRP and 15-9
group entries 15-16
overview 15-1
router ports and group entries 15-16
See also multicast groups; multicast routers
IP permit list
adding addresses 17-2
clearing entries 17-4
default configuration 17-2
disabling 17-4
enabling 17-3
overview 17-1
IP traceroute
executing 19-13
overview 19-13
ISL
mapping 802.1Q VLANs 10-5
overview 11-1
supported switches (table) 11-4
isolated ports
definition 10-8
ISTP 7-13
K
Kerberos authentication
configuration guidelines 27-11
copying SRVTAB files 27-34
defining realm 27-33
disabling credentials forwarding 27-37
enabling 27-32
enabling credentials forwarding 27-36
overview 27-4
servers, specifying 27-33
terminology 27-5, 27-8
keys
See RADIUS keys; TACACS+ keys
L
LACP
configuration parameters 6-17
configuration procedures 6-18
modes 6-16
Layer 2 traceroute
utility 19-11
leave processing, CGMP
disabling 15-8
enabling 15-5, 15-6
limiting telnet attempts 27-12
Link Aggregation Control Protocol
See LACP
listing all multicast filters 15-23
listing port filter associations 15-24
load balancing 7-12
load sharing, trunking and 11-12
local authentication
configuration guidelines 27-11
default configuration 27-10, 27-60
disabling 27-16
enabling 27-14
overview 27-2
password recovery 27-17
setting enable password 27-15
location, setting 26-3
login
limiting 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 passwords
recovering lost 27-17
setting 27-15
login timer
changing 19-7
Loop Guard
multiple spanning tree 7-13
M
MAC addresses
allocating 7-12
blocking 16-1
bridge identifiers 7-12
designating 2-8
disabling notification 16-6
enabling notification 16-6
port security and 16-1
setting notification history log size 16-6
setting notification interval 16-6
management interfaces
overview 3-1
mapping VLANs 10-5
match-action filtering 15-22
maximum aging time timers 7-38
me1 interface
assigning IP addresses 3-6
overview 3-1
me1interface
configuring 3-6
message-of-the-day
See login banner
metric values, switch TopN reports (table) 21-2
MIBs
Network Analysis Module and 24-3
overview 23-2
MISTP
bridge ID priority 7-29, 7-48
configuring an instance 7-28
conflicts, MISTP VLAN 7-33
default configuration 7-27
enabling an instance 7-32
mapping VLANs to 7-32
MISTP-PVST+ 7-26
port cost 7-29
port instance cost 7-31
port instance priority 7-31
port priority 7-30
unmapping VLANs from 7-34
modes, switch CLI 2-3
modules
checking status 19-1
configuring Ethernet 4-1, 18-1
configuring Fast Ethernet 4-1, 6-1, 18-1
configuring Gigabit Ethernet 5-1
configuring supervisor engine 3-1
designating on command-line 2-7
Ethernet
configuring 6-1
Gigabit Ethernet
configuring 6-1
modules, switch fabric accelerator 32-4
MOTD
See login banner
MST 7-12
boundary ports 7-18
bridge ID priority 7-48
configuration 7-17
configuring 7-43
edge ports 7-18
enabling 7-43
hop count 7-19
instances 7-17
interoperability 7-15
interoperability with PVST+ 7-13
link type 7-19
mapping VLANs to 7-51
master 7-18
message age 7-19
port cost 7-48
port instance cost 7-50
port instance priority 7-50
port priority 7-49
region 7-17
regions 7-17
understanding 7-12
MSTP
M-record 7-13
M-tree 7-13
multicast
See IP multicast
multicast filtering
port IP configuring 15-21
multicast filter profile
establishing and verifying 15-21
removing 15-23
multicast filters
listing all 15-23
removing all 15-23
multicast groups
CGMP and 15-4
clearing 15-18
configuring 15-7, 15-17
GMRP and 15-9
joining 15-2
leaving 15-2
multicast port filter associations
removing 15-25
multicast routers
clearing ports 15-18
specifying port for 15-17
multiple forwarding paths 7-12
Multiple Instance Spanning Tree Protocol
See MISTP
Multiple Spanning Tree
See MST 7-12
N
names, setting port 4-3, 5-7
native VLANs
802.1Q and 11-4
neighbor devices, displaying 20-5
network fault tolerance 7-12
network management
configuring 24-1
See RMON; SNMP
Network Time Protocol
See NTP
NFFC/NFFC II
IGMP snooping and 15-4
protocol filtering and 18-1
NMS
SPAN, configuring 25-1
normal mode, switch CLI 2-3
NTP
clearing time zone 35-7
configuring broadcast-client mode 35-3
configuring client mode 35-3
default configuration 35-2
disabling 35-8
disabling broadcast-client mode 35-8
disabling client mode 35-8
disabling daylight saving time adjustment 35-7
overview 35-1
NTP authentication
configuring 35-4
enabling daylight saving time adjustment 35-5
setting time zone 35-5
NTP servers
clearing 35-7
specifying 35-3
NVRAM
ignoring content at boot 28-6
setting configuration modes 30-2
O
organization, document xxi
out-of-band management interface
See me1 interface
P
PAgP
displaying statistics 6-12
overview 6-5
passwords
recovering lost 27-17
setting enable 27-15
permit lists
See IP permit lists
permitting and verifying 15-22
permitting filter match-action 15-22
physical restrictions 15-19
ping
executing 19-10
overview 19-9
testing connectivity 4-7, 5-10
Port Aggregation Protocol
See PAgP
port cost
EtherChannel 6-8
Port Fast
multiple spanning tree 7-13
PortFast
configuring 8-2
PortFast BPDU guard
configuring 8-8
disabling 8-9
port filter associations
assigning and listing 15-24
port IP multicast filtering 15-21
port names
Ethernet 4-3
Fast Ethernet 4-3
Gigabit Ethernet 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 10-4
checking capabilities 19-5
checking status 19-2
designating on command-line 2-7
dynamic VLAN membership overview 12-1
private VLAN 10-8
speed
10/100 Fast Ethernet 4-5
port security
clearing MAC addresses 16-6
configuration guidelines 16-3
configuring16-1to 16-11
specifying age time 16-5
specifying secure MAC addresses 16-5
specifying security violation action 16-8
specifying shutdown time 16-8
configuring MAC address notification 16-6
disabling 16-9
monitoring 16-10
overview 16-1
port VLAN cost
configuring for PVST+ 7-24
setting EtherChannel 6-9
port VLAN priority
configuring 7-25
power budget
setting 26-15
power management
overview 26-11
redundancy 26-12
priority
See port priority
private VLANs
configuration guidelines 10-9
creating 10-10
delete mapping 10-14
deleting 10-13
deleting community VLANs 10-14
deleting isolated 10-14
hardware interactions 10-9
isolated VLAN 10-8
overview 10-7
primary VLAN 10-8
software interactions 10-9
privileged mode, switch CLI 2-3
promiscuous ports
definition 10-8
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+
configuring bridge ID priority 7-21
default configuration 7-20
default port cost mode 7-23
disabling 7-25
port cost 7-22
port priority 7-23
port VLAN cost 7-24
Q
QoS
CoS
mapping drop thresholds 14-6
reverting to port default 14-5
transmit 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 27-60
overview 27-57, 27-59
RADIUS accounting
accounting events 27-57
creating accounting records 27-58
disabling 27-62
enabling 27-60
example configuration 27-63
overview 27-57
specifying servers 27-58
suppressing accounting 27-59
updating the server 27-59
RADIUS authentication
configuration guidelines 27-11
default configuration 27-10, 27-60
disabling 27-30
enabling 27-25
overview 27-4
setting deadtime 27-28
setting retransmit count 27-27
setting timeout 27-26
RADIUS keys
clearing 27-29
specifying 27-25
RADIUS servers
clearing 27-29
specifying 27-24, 27-58
Rapid Spanning Tree
See RSTP 7-14
RARP
sc0 interface and 3-10
rcp
downloading configuration files 31-6
uploading configuration files 31-7
related documentation xxiii
Remote Copy Protocol
See rcp
Remote Monitoring
See RMON
Remote Switched Port Analyzer
See RSPAN
removing all multicast filters 15-23
removing multicast filter profile 15-23
removing multicast port filter associations 15-25
report, system status 26-15
reports
IGMP filering 15-19
restrictions
IGMP traffic filtering 15-19
Reverse Address Resolution Protocol
See RARP
RMON
enabling 24-2
overview 24-1
supported MIB objects 24-3
viewing data 24-2
ROM monitor
BOOT environment variables and 28-3, 28-4
boot process and 28-2
CLI 2-9
configuration register and 28-2
Root Guard
multiple spanning tree 7-13
root guard
disabling 7-38
enabling 7-38
root switch
configuring primary 7-35
configuring secondary 7-36
overview 7-35
See also root guard
router, multicast
See multicast routers
RSPAN
configuration examples25-14to 25-17
configuration guidelines 25-10
configuring from CLI 25-11
configuring multiple RSPAN sessions 25-16
configuring single RSPAN session 25-14
disabling 25-13
hardware requirements 25-9
overview 25-1
session limits 25-4
See also SPAN; VSPAN
RSTP
port roles 7-14
port states 7-15
running configuration
downloading via rcp 31-6
S
sc0 interface
assigning IP address 3-6
configuring 3-5
DHCP and 3-10
overview 3-1, 3-5
RARP and 3-10
VLAN assignment 10-2
secure shell encryption
See SSH
security
configuring 17-1
configuring passwords 27-15
IP permit list 17-1
set spantree portcost command 7-22, 7-48
set spantree priority command 7-48
show port mac-address 19-4
Simple Network Management Protocol
See SNMP
Single Spanning Tree
See SST 7-13
sl0 interface
configuring 3-9
console port and 3-9
overview 3-1
SLIP interface
See sl0 interface
SNMP
benefits 23-7
configuring 23-5
default configuration 23-4
defining community strings 23-5
overview 23-2
supported RMON MIB objects 24-3
SNMPv3
configuring 23-10
definitions 23-10
overview 23-6
software images
downloading using rcp 29-6
downloading using TFTP 29-2
supervisor engine, description 1-3
uploading to rcp server 29-9
uploading to TFTP server 29-5
software restaints 15-19
SPAN
configuration guidelines 25-5
configuring 25-6
destination port 25-2
disabling 25-8
egress 25-3
ingress 25-3
NMS and 25-1
overview 25-5
session 25-2
session limits 25-4
source ports 25-2
traffic 25-4
spanning tree
dummy MAC addresses and 8-11
EtherChannel port costs 6-8
EtherChannel port-VLAN costs 6-9
spanning tree backbone fast 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 4-5
SSH 19-7
configuring 19-7
SST 7-13
interoperability 7-15
static route, configuring 26-8
status reports, system 26-15
STP
BPDUs and 7-2
forward delay timer 7-39
hello time 7-39
MAC address allocation 7-12
maximum age timer 7-39
overview 7-1
PortFast, configuring 8-2
port states 7-4
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 3-9
software description 1-3
software images overview 1-3
startup configuration 28-1
static routes 26-8
uploading software images 29-5, 29-9
switch acceleration 32-1
configuring 32-1, 32-3
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 21-2
foreground execution 21-2, 21-3
metric values (table) 21-2
overview 21-1
running 21-3
viewing 21-3
syslog
changing enable state timestamp 33-6
configuring 33-4
configuring daemon 33-7
default configuration 33-4
displaying configuration 33-9
displaying message log 33-10
facilities (table) 33-2
message format 33-3
overview 33-1
setting buffer size 33-6
setting logging levels 33-6
setting session settings 33-4
severity levels (table) 33-3
syslog servers
configuring 33-7
system clock, setting 26-4
system contact, setting 26-3
system images
downloading using rcp 29-6
downloading using TFTP 29-2
switch
specifying startup 28-1
uploading 29-9
uploading 29-5
system location, setting 26-3
system message logging
changing enable state timestamp 33-6
configuring 33-4
configuring daemon 33-7
configuring syslog daemon 33-7
default configuration 33-4
displaying configuration 33-9
displaying message log 33-10
facilities (table) 33-2
message format 33-3
overview 33-1
setting buffer size 33-6
setting logging levels 33-6
setting session settings 33-4
severity levels (table) 33-3
system name
clearing 26-3
configuring 26-2
overview 26-1
system prompt
configuring 26-2
overview 26-1
system reset
scheduling 26-9
system status report
generating 26-15
T
TACACS+ accounting
accounting events 27-57
configuration guidelines 27-60
creating accounting records 27-58
disabling 27-62
enabling 27-60
example configuration 27-63
overview 27-57
suppressing accounting 27-59
updating the server 27-59
TACACS+ authentication
configuration guidelines 27-11
default configuration 27-10
disabling 27-23
enabling 27-19
example configuration 27-49
login attempts allowed 27-21
overview 27-3
timeout interval 27-20
TACACS+ authorization
authorization events 27-50
command authorization 27-51
configuration guidelines 27-52
default configuration 27-52
disabling 27-54
enabling 27-53
example configuration 27-55
fallback options 27-51
overview 27-50
primary options 27-51
TACACS+ keys
clearing 27-23
specifying 27-20
Telnet
disconnecting user sessions 19-9
executing 19-6
limiting attempts 27-12
monitoring user sessions 19-8
system message logging settings 33-5
text file configuration mode
setting the configuration mode 30-2
TFTP
downloading software images 29-2
uploading configuration files 31-5
uploading software images 29-5
time, setting 26-4
time exceeded messages 19-13
timers
configuring forward delay 7-38
configuring hello time 7-38
configuring maximum aging time 7-38
GARP 13-7, 15-14
login 19-7
time zone
clearing 35-7
setting 35-5
TopN reports
See switch TopN reports
traceroute
See IP traceroute
traceroute utility, Layer 2 19-11
traffic filtering
IGMP 15-19
transmit queue overview 14-3
troubleshooting
dynamic port VLAN membership 12-7
system message logging and 33-1
VMPS 12-6
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 11-21
encapsulation types
descriptions (table) 11-3
switch support matrix (table) 11-4
example configurations
Gigabit 11-8
load sharing 11-12
nonnegotiate 11-18
modes (table) 11-2
overview 11-1
possible configurations (table) 11-3
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
hardware requirements 22-2
overview 22-1
software requirements 22-2
specifying message interval 22-5
unclassified frames 14-3
UniDirectional Link Detection
See UDLD
Uplink Fast
multiple spanning tree 7-13
UplinkFast
configuring 8-11
dummy MAC addresses 8-11
overview 8-10
uploading
configuration files 31-5, 31-7
software images 29-5, 29-9
supervisor 29-9
user sessions
disconnecting 19-9
monitoring 19-8
using IGMP traffic filtering 15-19
V
verifying a multicast filter profile 15-21
verifying disabled IGMP multicast filtering 15-20
verifying enabled IGMP multicast filtering 15-20
verifying IGMP filter match-action 15-22
virtual LANs
See VLANs
VLAN-based SPAN
See VSPAN
VLAN filtering
trunk 25-4
VLAN Management Policy Server
See VMPS
VLANs
allowed on trunk 11-6
assigning ports to 10-4
assigning to ports 10-4
configuration guidelines 10-3
default configuration 10-3
deleting 10-7
designating on command-line 2-7
Ethernet 10-4
in-band (sc0) interface assignment 10-2
IP subnetworks and 10-2
mapping 802.1Q to ISL 10-5
mapping conflicts 7-33
overview 10-1
protocol filtering and 18-1
sc0 (in-band) interface assignment 10-2
See also auxiliary VLANs; native VLANs; private VLANs
VLANs, private
See private VLANs
VLAN Trunk Protocol
See VTP
VMPS
configuring 12-5
configuring dynamic port membership 12-5
default configuration 12-2
dynamic port membership
example 12-9
overview 12-1
troubleshooting 12-7
error messages (table) 12-6
overview 12-1
troubleshooting 12-6
VMPS database
creating 12-3
example configuration file 12-7
VSPAN
overview 25-3
VTP
"off" mode, configuring 9-7
configuration guidelines 9-5
configuring client 9-6
configuring server 9-6
configuring transparent mode 9-7
default configuration 9-5
disabling 9-7
domains 9-2
monitoring 9-11
overview 9-1
statistics 9-11
VTP advertisements 9-2
VTP modes
client 9-2
off 9-2
server 9-2
transparent 9-2
VTP pruning
configuring 9-9
disabling 9-10
overview 9-3
VTP version 2
disabling 9-9
enabling 9-8
overview 9-3
W
write tech support command 26-15