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, setting4-5
802.1Q
example11-8, 11-18
mapping VLANs to ISL10-5
overview11-1
restrictions11-4
supported switches (table)11-4
802.1x authentication
configurable parameters27-9
overview27-7
A
accelerator module, switch fabric
See switch fabric accelerator module
accounting
configuration guidelines27-60
disabling27-62
enabling27-60
overview27-57
See Radius accounting; TACACS+ accounting
acronymsA-1to A-9
adding a multicast filter profile15-21
addresses
See IP addresses; MAC addresses
Address Resolution Protocol
See ARP
administration
switch26-1, 34-1
administrative groups, EtherChannel6-6
advertisements
See VTP advertisements
aliases
See command aliases; IP aliases
aliases, command2-7
ARP
configuring entries26-7
assigning port Filter associations15-24
attempts, limiting telnet27-12
audiencexxi
authentication
overview27-2
See also 802.1x authentication, Kerberos authentication; local authentication; login authentication; NTP authentication; RADIUS authentication; TACACS+ authentication
authorization
overview27-50
See also TACACS+ authorization27-52
autonegotiation
duplex4-5
speed4-5
trunks11-2
auxiliary VLANs
dynamic port VLAN membership12-11
software support10-3
B
Backbone Fast
multiple spanning tree7-13
BackboneFast
adding a switch (figure)8-18
disabling8-17
displaying statistics8-16
enabling8-16
overview8-13
Backplane Channel module32-4
banners
See login banners
boot configuration
clearing system flash28-8
ignoring NVRAM28-6
BOOT environment variables
clearing28-8, 28-9
default28-4
displaying28-9
overview28-3, 28-4
setting28-7, 28-8
boot field
overview28-3
setting28-5
BPDU Filter
multiple spanning tree7-13
BPDU Guard
multiple spanning tree7-13
BPDU guard
disabling8-9
enabling8-8
BPDU skewing
configuring7-41
understanding7-41
BPDUs overview7-2
bridge identifiers
MAC addresses7-12
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 configuration20-2
disabling globally20-2
disabling on ports20-3
displaying neighbor information20-5
enabling globally20-2
enabling on ports20-3
overview20-1
setting holdtime20-4
setting message interval20-4
CGMP
clearing multicast groups15-18
clearing multicast router ports15-18
configuring multicast groups15-7, 15-17
disabling15-9
disabling fast-leave processing15-8
displaying multicast groups15-7
enabling15-5
enabling fast-leave processing15-5, 15-6
joining multicast groups15-2
leaving multicast group15-2
leaving multicast groups15-2
overview15-1
specifying multicast router ports15-17
viewing statistics15-8
channel modes, EtherChannel (table)6-5
LACP6-17
checksum, verifying Flash file30-7
CIDR
static routes and26-9
Cisco Discovery Protocol
See CDP
Cisco Group Management Protocol
See CGMP
CiscoWorks200023-13
CIST7-13
classification
frames14-3
Classless InterDomain Routing
See CIDR
clear boot system flash command28-8
CLI
command aliases2-7
ROM monitor2-9
switch
accessing2-2
designating IP addresses2-8
designating IP aliases2-8
designating MAC addresses2-8
designating modules2-7
designating ports2-7
designating VLANs2-7
help2-4
history substitution2-6
operating2-3
clock, setting26-4
command aliases
creating26-5
using2-7
command line interface
See CLI
Common and Internal Spanning Tree
See also CIST7-13
Common Spanning Tree
See CST7-13
community ports
definition10-8
community strings
defining23-5
overview23-2
CONFIG_FILE variable
setting recurrence28-6
configuration
MISTP7-48
configuration, clearing31-8
configuration files
creating31-2
downloading via RCP31-6
downloading via rcp31-6
downloading via TFTP31-4
guidelines for creating31-1
uploading
preparation31-7
uploading preparation31-5
uploading to rcp server31-7
uploading to TFTP server31-5
configuration guidelines
TACACS+ accounting27-60
configuration register
default setting28-4
ignoring NVRAM at boot28-6
overview28-2
setting boot field28-5
setting CONFIG_FILE recurrence28-6
configurations
IGMP traffic filtering15-19
configuring15-21
configuring port IP multicast filtering15-21
console port
disconnecting user sessions19-9
establishing connections2-2
monitoring user sessions19-8
SLIP and3-9
system message logging settings33-5
conventions, documentxxiv
CoS
configuring default switch values14-5
drop thresholds
mapping14-6
transmit14-3
Layer 2 CoS values, definition14-2
reverting to default14-5
CST7-13
common spanning tree7-17
D
databases
See VMPS databases
date, setting26-4
daylight saving time
disabling adjustment35-7
enabling adjustment35-5
default configuration
Ethernet4-3
Fast Ethernet4-3
TACACS+ accounting27-60
default gateway, configuring3-7
default IGMP filter configuration15-20
denying filter match-action15-22
DHCP
releasing lease3-11
renewing lease3-11
sc0 interface and3-10
disabling IGMP multicast filtering15-20
DISL
See DTP
DNS
clearing domain names34-3
default configuration34-1
disabling34-3
enabling34-2
overview34-1
setting domain names34-2
setting up34-2
system name and26-1
system prompt and26-1
DNS servers
clearing34-3
specifying34-2
documentation
conventionsxxiv
organizationxxi
relatedxxiii
domain names
clearing34-3
setting34-2
Domain Name System
See DNS
downloading
configuration files31-4, 31-6
software images29-2, 29-6
drop thresholds
CoS mapping14-6
transmit queue14-3
DTP
non-Cisco devices and11-3
overview11-2
duplex mode
Fast Ethernet4-5
Dynamic Host Configuration Protocol
See DHCP
dynamic port VLAN membership
configuring12-5
default configuration12-2
example12-9
for auxiliary VLANs12-11
overview12-1
troubleshooting12-7
Dynamic Trunking Protocol
See DTP
E
enable mode, switch CLI2-3
enable password
recovering lost27-17
setting27-15
enabling IGMP multicast filtering15-20
enabling IGMP traffic filtering15-21
encapsulation type descriptions, trunks (table)11-3
encryption
See secure shell encryption
environment variables
See BOOT environment variables
errdisable timeout, configuring4-6
error messages
system message logging (syslog)33-1
VMPS (table)12-6
establishing a multicast filter profile15-21
EtherChannel
administrative groups6-6
channel modes (table)6-5
LACP6-17
configuration guidelines6-3
configuring6-6
configuring administrative groups6-7
displaying PAgP statistics6-12
displaying statistics6-11
EtherChannel IDs6-6
example configuration11-8
frame distribution6-2
hardware support6-2
maximum number of channels supported6-4
modes6-5
modes, using LACP6-17
overview6-1
PAgP and6-5
port costs6-8
port-VLAN costs6-9
See also Fast EtherChannel; Gigabit EtherChannel
Ethernet
autonegotiation4-5
checking connectivity4-7
default configuration4-3
overview4-1
See protocol filtering
setting port duplex4-5
setting port name4-3
setting port priority4-4
setting port speed4-5
examples, general conventionsxxiv
F
Fast EtherChannel
example6-13
overview6-2
See also EtherChannel; Gigabit EtherChannel
Fast Ethernet
autonegotiation4-5
checking connectivity4-7
default configuration4-3
overview4-1
See protocol filtering
setting port duplex4-5
setting port name4-3
setting port priority4-4
setting port speed4-5
fiber-optic cables, detecting unidirectional links22-1
filtering
IGMP actions15-19
filters, protocol
See protocol filtering
Flash file system
copying files30-4
deleting files30-5
listing files30-3
restoring deleted files30-6
setting configuration modes30-2
setting default device30-1
verifying checksum30-7
verifying file checksum30-7
flow control
configuring5-8
overview5-1
forward delay timer7-38
frame classification
overview14-3
frame distribution, EtherChannel6-2
G
GARP Multicast Registration Protocol
See GMRP
GARP timers
setting13-7, 15-14
GARP VLAN Registration Protocol
See GVRP
Gigabit EtherChannel
example6-15
See also EtherChannel; Fast EtherChannel
Gigabit Ethernet
checking connectivity5-10
configuring flow control5-8
configuring port negotiation5-9
default configuration5-6
flow control5-1
port negotiation5-3
port negotiation link states (table)5-3
setting port names5-7
setting port priority5-8
GMRP
clearing statistics15-16
default configuration15-10
disabling forward-all option15-12
disabling globally15-16
disabling per-port15-11
enabling forward-all option15-12
enabling globally15-10
enabling per-port15-11
overview15-3
registration15-13to 15-14
setting timers15-14
software requirements15-9
viewing statistics15-15
group profiles
IGMP multicast15-19
GVRP
clearing statistics13-8
configuring registration13-5
disabling13-9
enabling13-3
registration13-6
setting timers13-7
viewing statistics13-8
H
hello time
timer7-38
history
switch CLI2-6
I
I-BPDU7-13
ICMP
IP traceroute19-13
time exceeded messages19-13
using ping19-9to 19-10
ID and MAC addresses, bridge7-12
IEEE 802.1Q
example11-8
overview11-1
restrictions11-4
See 802.1Q
IEEE 802.1x
See 802.1x authentication
IGMP
configuration guidelines15-4
joining multicast groups15-2
leaving multicast groups15-2
overview15-1
using traffic filtering15-19
IGMP filtering
software requirements15-19
IGMP filter match-action
denying and verifying15-22
permitting and verifying15-22
IGMP multicast filtering
disabling and verifying15-20
enabling and verifying15-20
IGMP traffic filtering15-19
images
See software images; system images
in-band (sc0) interface
See sc0 interface
inferior BPDUs, BackboneFast and8-14
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 ISTP7-13
Internet Control Message Protocol
See ICMP
Internet Group Management Protocol
See IGMP
Inter-Switch Link
See ISL
IP addresses
adding to IP permit list17-2
automatic assignment3-2
CIDR26-9
clearing from IP permit list17-4
creating aliases26-6
default gateway3-7
designating2-8
DHCP and3-10
me1 interface and3-6
RARP and3-10
sc0 interface and3-5
sl0 interface and3-10
static routes26-8
VLANs and10-2
IP aliases
creating26-6
designating2-8
IP multicast
CGMP and15-4
GMRP and15-9
group entries15-16
overview15-1
router ports and group entries15-16
See also multicast groups; multicast routers
IP permit list
adding addresses17-2
clearing entries17-4
default configuration17-2
disabling17-4
enabling17-3
overview17-1
IP traceroute
executing19-13
overview19-13
ISL
mapping 802.1Q VLANs10-5
overview11-1
supported switches (table)11-4
isolated ports
definition10-8
ISTP7-13
K
Kerberos authentication
configuration guidelines27-11
copying SRVTAB files27-34
defining realm27-33
disabling credentials forwarding27-37
enabling27-32
enabling credentials forwarding27-36
overview27-4
servers, specifying27-33
terminology27-5, 27-8
keys
See RADIUS keys; TACACS+ keys
L
LACP
configuration parameters6-17
configuration procedures6-18
modes6-16
Layer 2 traceroute
utility19-11
leave processing, CGMP
disabling15-8
enabling15-5, 15-6
limiting telnet attempts27-12
Link Aggregation Control Protocol
See LACP
listing all multicast filters15-23
listing port filter associations15-24
load balancing7-12
load sharing, trunking and11-12
local authentication
configuration guidelines27-11
default configuration27-10, 27-60
disabling27-16
enabling27-14
overview27-2
password recovery27-17
setting enable password27-15
location, setting