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Catalyst 2950 and Catalyst 2955 Switch Command Reference, 12.1(22)EA5
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Index
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Preface
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Using the Command-Line Interface
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Catalyst 2950 and 2955 Switch Cisco IOS Commands - a through r
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Catalyst 2950 and 2955 Switch Cisco IOS Commands - s
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Catalyst 2950 and 2955 Switch Cisco IOS Commands - t through z
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Catalyst 2955 Alarm Commands
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Catalyst 2950 and 2955 Switch Boot Loader Commands
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Catalyst 2950 and 2955 Switch Debug Commands
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Table Of Contents
A - B - C - D - E - F - G - H - I - J - L - M - N - O - P - Q - R - S - T - U - V - W -
Index
A
aaa accounting dot1x command2-1
aaa authentication command2-3
abort command2-532
access control entries
access control lists
access control parameters
access groups
IP2-125
MAC
applying ACL to interface2-182
displaying2-357
access-list (IP extended) command2-5
access-list (IP standard) command2-8
access-list configuration mode
deny2-82
entering2-127
permit2-231
access ports2-486
ACLs
IP
applying to interface2-125
deny2-82
permit2-231
MAC
applying to interface2-182
deny2-85
displaying2-264
permit2-234
ACPs, displaying2-365
aggregate-port learner2-228
alarm commandA-6
alarm facility fcs-hysteresis commandA-2
alarm facility power-supply commandA-3
alarm facility temperature commandA-4
alarm profile
attaching to a portA-8
creatingA-6
displayingA-12
alarm profile (global configuration) commandA-6
alarm profile (interface configuration) commandA-8
alarm profile configuration modeA-6
apply command2-532
archive download-sw command2-10
archive tar command2-12
archive upload-sw command2-15
audiencexv
authorization state of controlled port2-98
autonegotiation of duplex mode2-105
auto qos voip command2-17
B
BackboneFast, for STP2-429
boot boothlpr command2-21
boot buffersize command2-22
boot commandB-2
boot config-file command2-23
boot enable-break command2-24
boot helper command2-25
boot helper-config file command2-26
booting
Cisco IOS image2-29
interrupting2-24
manually2-27
booting, displaying environment variables2-269
boot loader
accessingB-1
booting
Cisco IOS imageB-2
helper image2-25
directories
creatingB-16
displaying a list ofB-7
removingB-20
displaying
available commandsB-12
memory heap utilizationB-14
versionB-27
environment variables
describedB-21
displaying settingsB-21
location ofB-23
settingB-21
unsettingB-25
files
copyingB-5
deletingB-6
displaying a list ofB-7
displaying the contents ofB-4, B-17, B-24
renamingB-18
file system
formattingB-10
initializing FlashB-9
running a consistency checkB-11
loading helper imagesB-13
promptB-1
resetting the systemB-19
boot manual command2-27
boot private-config-file command2-28
boot system command2-29
BPDU filtering, for spanning tree2-430, 2-463
BPDU guard, for spanning tree2-432, 2-463
broadcast suppression level
configuring2-477
displaying2-397
C
cat commandB-4
caution, descriptionxvi
channel-group command2-30
channel-protocol command2-33
Cisco SoftPhone
auto-QoS configuration2-17
trusting packets sent from2-214
class command2-35
class-map command2-37
class maps
creating2-37
defining the match criteria2-205
displaying2-271
class of service
clear controllers ethernet-controller command2-39
clear controllers lre command2-41
clear controllers lre link monitor command2-42
clear controllers lre log command2-43
clear interface command2-44
clear lacp command2-45
clear LRE configuration events2-43
clear LRE timer events2-43
clear mac address-table command2-47
clear pagp command2-49
clear port-security command2-50
clear spanning-tree counters command2-52
clear spanning-tree detected-protocols command2-53
clear vmps statistics command2-54
clear vtp counters command2-55
cluster commander-address command2-56
cluster discovery hop-count command2-58
cluster enable command2-59
cluster holdtime command2-60
cluster management-vlan command2-61
cluster member command2-62
cluster run command2-64
clusters
adding candidates2-62
binding to HSRP2-65
building manually2-62
communicating with members by using Telnet2-252
displaying
candidate switches2-275
member switches2-277
status2-273
heartbeat messages
duration after which switch declared down2-60
interval between2-67
hop-count limit for extended discovery2-58
HSRP standby groups2-65
redundancy2-65
SNMP trap2-421
cluster standby-group command2-65
cluster timer command2-67
command modes defined1-2
command switch
configuration files
password recovery disable considerationsB-1
setting the NVRAM size for2-22
specifying the name2-23
configuration files, private2-28
configuring multiple interfaces2-121to 2-122
config-vlan mode
description1-4
entering2-519
summary1-2
controller longreachethernet command2-68
conventions
commandxv
for examplesxvi
publicationxv
textxv
copy commandB-5
CoS
default value, assigning to incoming packets2-209
incoming value, overriding2-209
priority queue, assigning values to2-551
priority queue mapping, displaying2-418
WRR bandwidth allocation, displaying2-417
WRR weights, assigning to CoS priority queues2-549
CoS-to-DSCP map
default2-211
defining2-211
cpe duplex command2-69
CPE Ethernet ports, clearing2-39
cpe protected command2-71
cpe shutdown command2-72
cpe type command2-78
cross-stack UplinkFast, for STP2-467
D
debug auto qos commandC-2
debug dot1x commandC-4
debug etherchannel commandC-5
debug lre commandC-6
debug pagp commandC-7
debug pm commandC-8
debug spanning-tree backbonefast commandC-12
debug spanning-tree bpdu commandC-13
debug spanning-tree bpdu-opt commandC-14
debug spanning-tree commandC-10
debug spanning-tree mstp commandC-15
debug spanning-tree switch commandC-17
debug spanning-tree uplinkfast commandC-19
debug switch dhcp commandC-20
debug sw-vlan commandC-21
debug sw-vlan ifs commandC-23
debug sw-vlan notification commandC-24
debug sw-vlan vtp commandC-26
debug udld commandC-28
define interface-range command2-79
delete LRE link history2-43
delete LRE link monitor data2-42
deny (access-list configuration) command2-82
deny (MAC access-list configuration) command2-85
DHCP, error recovery timer2-109
DHCP snooping
accepting untrusted packets form edge switch2-133
displaying
bindings2-343
configuration2-342
enabling
on a VLAN2-137
trust on an interface2-136
rate limiting2-135
dir commandB-7
documentation
relatedxvi
document conventionsxv
dot1x command2-87
dot1x default command2-91
dot1x guest-vlan command2-92
dot1x host-mode command2-94
dot1x initialize command2-95
dot1x max-req command2-96
dot1x multiple-hosts command2-97
dot1x port-control command2-98
dot1x re-authenticate command2-100
dot1x re-authentication command2-101
dot1x reauthentication command2-102
DSCP-to-CoS map
default2-212
defining2-211
DTP2-487
DTP flap, error recovery timer2-109
duplex command2-105
dynamic-access ports, configuring2-480
Dynamic Host Configuration Protocol (DHCP)
Dynamic Trunking Protocol
E
EAP-request/identity frame
maximum number to send2-96
response time before retransmitting2-103
environmental alarms, displayingA-14
environment variables, displaying2-269
errdisable detect cause command2-107
errdisable recovery command2-109
EtherChannel
assigning Ethernet interface to channel group2-30
creating port-channel logical interface2-120
debug messages, displayingC-5to C-7
displaying2-320
LACP, modes2-30
load-distribution methods2-242
PAgP
aggregate-port learner2-228
clearing channel-group information2-45, 2-49
debug messages, displayingC-7
error recovery timer2-109
learn method2-228
modes2-30
priority of interface for transmitted traffic2-230
Ethernet controller, internal register display2-279
Ethernet link statistics2-39
Ethernet statistics, collecting2-256
examples, conventions forxvi
exit command2-532
expedite queue, QoS2-549
express setup-related commands2-262, 2-391
extended discovery of candidate switches2-58
extended-range VLANs
and allowed VLAN list2-500
and pruning-eligible list2-500
configuring2-519
extended system ID for STP2-438
F
facility alarm relays, displayingA-18
facility alarm status, displayingA-19
fan information, displaying2-317
FCS bit error rate
displayingA-20
fluctuation thresholdA-2
settingA-9
FCS hysteresis thresholdA-2
fcs-threshold commandA-9
file name, VTP2-539
files, deleting2-81
flash_init commandB-9
flowcontrol command2-111
flow-control packets
receiving2-111
sending2-111
format commandB-10
frame check sequence
fsck commandB-11
G
global configuration mode1-2, 1-4
H
heartbeat messages
duration after which switch declared dead2-60
interval between2-67
help commandB-12
holdtime for clusters2-60
hop-count limit for clusters2-58
host connection, port configuration2-484
Hot Standby Router Protocol
HSRP
binding HSRP group to cluster2-65
standby group2-65
hw-module slot command2-115
I
IDS, using with SPAN and RSPAN2-219
IEEE 802.1x commands, authentication methods2-3
IEEE 802.1x violation error recovery2-109
IGMP filters, applying2-138
IGMP groups
configuring throttling action2-139
setting maximum2-139
IGMP profiles
creating2-141
displaying2-345
IGMP snooping
adding ports statically2-157
compatibility mode, displaying2-346
configuration, displaying2-346
displaying2-349
enabling2-143
enabling the configurable-leave timer2-154
IGMP version, displaying2-346
Immediate-Leave processing2-153
MAC address tables2-362
multicast groups, displaying2-346
multicast router detection2-144
multicast router ports, displaying2-346
multicast routers2-155
per VLAN2-152
querier2-146
report suppression2-148
source-only-learning2-150
source-only-learning aging time2-150
images
Immediate-Leave feature, MVR2-223
Immediate-Leave processing2-153
interface command2-118
interface configuration mode1-2, 1-4
interface port-channel command2-120
interface range command2-121
interface-range macros2-79
interfaces
assigning Ethernet interface to channel group2-30
configuring2-105
configuring multiple2-121to 2-122
creating port-channel logical2-120
disabling2-419
restarting2-419
interleave command2-123
internal registers, displaying2-279
Internet Group Management Protocol
Intrusion Detection System
invalid GBIC
error detection for2-107
error recovery timer2-109
ip access-group command2-125
ip access-list command2-127
ip address command2-129
ip addresses, setting2-129
IP DHCP snooping
ip dhcp snooping command2-130
ip dhcp snooping information option allow-untrusted command2-133
ip dhcp snooping information option command2-131
ip dhcp snooping limit rate command2-135
ip dhcp snooping trust command2-136
ip dhcp snooping vlan command2-137
ip igmp filter command2-138
ip igmp max-groups command2-139
ip igmp profile command2-141
ip igmp snooping command2-143
ip igmp snooping configurable-leave timer command2-154
ip igmp snooping mrouter learn pim v2 command2-144
ip igmp snooping querier command2-146
ip igmp snooping report-suppression command2-148
ip igmp snooping source-only-learning age-timer2-150
ip igmp snooping source-only-learning command2-150
ip igmp snooping vlan command2-152
ip igmp snooping vlan immediate-leave command2-153
ip igmp snooping vlan mrouter command2-155
ip igmp snooping vlan static command2-157
IP multicast addresses2-220
IP phones
auto-QoS configuration2-17
trusting packets sent from2-214
ip ssh command2-159
IPv41-1
IPv61-1
IP version 41-1
IP version 61-1
J
jumbo frames
displaying setting2-400
setting switch for2-505
L
LACP
lacp port-priority command2-161
lacp system-priority command2-162
Layer 2 traceroute
IP addresses2-510
MAC addresses2-507
line configuration mode1-3, 1-5
Link Aggregation Control Protocol
link flap
enable error detection for2-107
enable timer to recover from error state2-109
link statistics, clearing2-39
load_helper commandB-13
load-distribution methods for EtherChannel2-242
local duplex command2-168
local speed command2-169
logging lre command2-170
logical interface2-120
loopback, error recovery timer2-109
loop guard, for spanning tree2-440, 2-443
LRE controller, defined2-68
lre profile command2-171
lre rate selection command2-46
lre rate selection sequence command2-173
lre sequence command2-175
lre syslog command2-177
lre upbo command2-178
M
mac access-group command2-182
MAC access-list configuration mode
deny2-85
entering2-184
permit2-234
mac access-list extended command2-184
MAC ACLs
deny2-85
permit2-234
MAC addresses
and port security2-491
clearing notification global counters2-47
displaying
aging time2-359
dynamic2-359
multicast entries2-362
notification setting2-364
number of addresses2-359
per interface2-359
per VLAN2-359
secure2-385
static2-359
dynamic
aging time2-186
deleting2-47
displaying2-359
enabling MAC address notification2-188
secure
adding2-491
displaying2-385
static
adding2-190
displaying2-359
dropping on an interface2-192
sticky
configuring manually2-491
enabling sticky learning2-491
learning dynamically2-491
mac address-table aging-time command2-186
mac address-table notification command2-188
mac address-table static command2-190
mac address-table static drop command2-192
MAC-named extended ACLs2-184
MAC notification feature
clearing global counters2-47
configuring2-188
enabling2-188
macro description command2-197
macro global command2-198
macro global description command2-200
macro name command2-201
macros
adding a description2-197
adding a global description2-200
applying2-198
creating2-201
displaying2-380
interface range2-79
specifying parameter values2-198
tracing2-198
manual
purpose ofxv
manual, audiencexv
maps, QoS
defining2-211
displaying2-369
margin command2-203
masks
match (class-map configuration) command2-205
maximum transmission unit
media-type command2-207
member switches
memory commandB-14
mkdir commandB-16
mls qos cos command2-209
mls qos map command2-211
mls qos trust command2-214
mode, MVR2-220
Mode button, and password recovery2-257
monitor session command2-217
more commandB-17
MSTP
displaying2-393
interoperability2-53
link type2-442
MST region
aborting changes2-447
applying changes2-447
configuration name2-447
configuration revision number2-447
current or pending display2-447
displaying2-393
MST configuration mode2-447
VLANs-to-instance mapping2-447
path cost2-449
protocol mode2-445
restart protocol migration process2-53
root port
loop guard2-440
preventing from becoming designated2-440
restricting which can be root2-440
root guard2-440
root switch
affects of extended system ID2-438
interval between BDPU messages2-453
interval between hello BPDU messages2-452, 2-459
max-age2-453
maximum hop count before discarding BPDU2-455
port priority for selection of2-456
primary or secondary2-459
switch priority2-458
state changes
blocking to forwarding state2-465
enabling BPDU filtering2-430, 2-463
enabling BPDU guard2-432, 2-463
enabling Port Fast2-463, 2-465
forward-delay time2-451
length of listening and learning states2-451
rapid transition to forwarding2-442
shutting down Port Fast-enabled ports2-463
state information display2-392
MTU
configuring size2-505
displaying global setting2-400
multicast groups
multicast groups, MVR2-221
multicast router detection2-144
multicast router learning method2-155
multicast router ports, configuring2-155
multicast suppression level
configuring2-477
displaying2-397
enabling2-477
multicast VLAN, MVR2-220
multicast VLAN registration
multiple hosts on authorized port2-94
Multiple Spanning Tree Protocol
MVR
configuring2-220
configuring interfaces2-224
displaying2-373
Immediate Leave feature2-223
receiver port2-224
source port2-224
mvr command2-220
mvr group command2-221
mvr immediate command2-223
mvr type command2-224
mvr vlan group command2-226
N
nonegotiate, speed2-474
normal-range VLANs2-519, 2-525
note, descriptionxvi
notifies commandA-6
O
option 82, DHCP snooping2-131
P
PAgP
pagp learn-method command2-228
pagp port-priority command2-230
password, VTP2-539, 2-543, 2-545
password-recovery mechanism, enabling and disabling2-257
permit (access-list configuration) command2-231
permit (MAC access-list configuration) command2-234
persistence command2-236
per-VLAN spanning-tree plus
PIM-DVMRP, as multicast router learning method2-155
police command2-237
policy-map command2-239
policy maps
applying to an interface2-259
creating2-239
displaying2-383
policers
displaying2-367
for a single class2-237
traffic classification
defining the class2-35
defining the trust states2-214
setting DSCP values2-260
Port Aggregation Protocol
port-based authentication
802.1x AAA accounting methods2-1
debug messages, displayC-4
enabling 802.1x2-98
guest VLAN2-92
manual control of authorization state2-98
multiple hosts on authorized port2-94
periodic re-authentication
enabling2-102
time between attempts2-103
quiet period between failed authentication exchanges2-103
re-authenticating 802.1x-enabled ports2-100
resetting configurable 802.1x parameters2-91
statistics and status display2-314
switch-to-client frame-retransmission number2-96
switch-to-client retransmission time2-103
port-channel load-balance command2-242
Port Fast, for spanning tree2-465
port ranges, defining2-79
ports, debug messages, displayC-8
port security
aging2-495
displaying2-385
enabling2-491
violation error recovery timer2-109
port trust states for QoS2-214
power supply alarms, settingA-3
power-supply dual commandA-10
power-supply modeA-10
primary temperature alarmA-4
private configuration files2-28
profile (interface configuration) command2-244
profile (sequence configuration) command2-246
protected ports
displaying2-333
enabling2-499
pruning, VTP
displaying interface information2-328
publications, relatedxvi
PVST+
Q
QoS
ACPs, displaying2-365
automatic configuration2-17
class maps
creating2-37
defining the match criteria2-205
displaying2-271
configuration information, displaying2-367
defining the CoS value for an incoming packet2-209
displaying configuration information2-266
maps
defining2-211
displaying2-369
policers, displaying2-367
policy maps
applying to an interface2-259
creating2-239
defining policers2-237
displaying policy maps2-383
setting DSCP values2-260
traffic classifications2-35
port trust states2-214
queues
CoS-to-egress-queue map2-551
expedite2-549
WRR weights2-549
trusted boundary for Cisco SoftPhones2-214
trusted boundary for IP phones2-214
quality of service
querytime, MVR2-220
R
rapid per-VLAN spanning-tree plus
rapid PVST+
rate selection, resetting2-46
rate selection command2-248
rate selection profile lock command2-249
rate selection sequence command2-250
rcommand command2-252
re-authenticating 802.1x-enabled ports2-100
re-authentication
periodic2-102
time between attempts2-103
receiver port, MVR2-224
receiving flow-control packets2-111
recovery mechanism
causes2-109
displaying2-318
timer interval2-109
redundancy for cluster switches2-65
relay-major commandA-6
relay-minor commandA-6
remote-span command2-254
Remote Switched Port Analyzer
rename commandB-18
reset interface2-41
reset LRE rate selection setting2-46
rmdir commandB-20
rmon collection stats command2-256
root guard, for spanning tree2-440
RPS status display2-387
RSPAN
and IDS2-219
configuring2-217
displaying2-371
remote-span command2-254
sessions
adding interfaces to2-217
displaying2-371
starting new2-217
S
secondary temperature alarmA-4
sending flow-control packets2-111
service password-recovery command2-257
service-policy command2-259
set command2-260
set command, bootloaderB-21
setup express command2-262
SFP2-207
SFP module preferred2-207
show access-lists command2-264
show alarm description port commandA-11
show alarm profile commandA-12
show alarm settings commandA-14
show auto qos command2-266
show boot command2-269
show changes command2-532
show class-map command2-271
show cluster candidates command2-275
show cluster command2-273
show cluster members command2-277
show controller lre cpe command2-288
show controllers ethernet-controller command2-279
show controllers lre actual command2-291
show controllers lre admin command2-294
show controllers lre link monitor command2-296
show controllers lre log2-43
show controllers lre log command2-299
show controllers lre profile command2-301
show controllers lre sequence command2-304
show controllers lre status command2-306
show controllers lre version command2-311
show controller utilization command2-312
show current command2-532
show dot1x command2-314
show env command2-317
show env power commandA-16
show env temperature commandA-16
show errdisable recovery command2-318
show etherchannel command2-320
show facility-alarm relay commandA-18
show facility-alarm status commandA-19
show fcs threshold commandA-20
show file command2-323
show flowcontrol command2-326
show interfaces command2-328
show interfaces counters command2-337
show ip access-list command2-340
show ip dhcp snooping binding command2-343
show ip dhcp snooping command2-342
show ip igmp profile command2-345
show ip igmp snooping command2-346
show ip igmp snooping command querier detail2-349
show ip igmp snooping querier detail command2-349
show lacp command2-351
show lre upgrade command2-353
show mac access-group command2-357
show mac address-table command2-359
show mac address-table multicast command2-362
show mac address-table notification command2-364
show mls masks2-365
show mls qos interface command2-367
show mls qos maps command2-369
show monitor command2-371
show mvr command2-373
show mvr interface command2-374
show mvr members command2-376
show pagp command2-378
show parser macro command2-380
show policy-map command2-383
show port-security command2-385
show proposed command2-532
show rps command2-387
show running-config vlan command2-389
show setup express command2-391
show spanning-tree command2-392
show storm-control command2-397
show system mtu command2-400
show udld command2-401
show version command2-404
show vlan command2-406
show vlan command fields2-407
show vmps command2-409
show vtp command2-412
show wrr-queue bandwidth command2-417
show wrr-queue cos-map command2-418
shutdown command2-419
shutdown vlan command2-420
signal to noise ratio2-203
Smartports macros
SNMP host, specifying2-424
snmp-server enable traps command2-421
snmp-server host command2-424
snmp trap mac-notification command2-428
SNMP traps
enabling MAC address notification2-188
enabling MAC address notification traps2-421, 2-428
enabling the sending of traps2-421
SNR
definition2-203
margins2-203
software images
deleting2-81
downloading2-10
upgrading2-10
uploading2-15
software version, displaying2-404
source ports, MVR2-224
SPAN
and IDS2-219
configuring2-217
displaying2-371
sessions
add interfaces to2-217
displaying2-371
start new2-217
spanning-tree backbonefast command2-429
spanning-tree bpdufilter command2-430
spanning-tree bpduguard command2-432
spanning-tree cost command2-434
spanning-tree etherchannel command2-436
spanning-tree extend system-id command2-438
spanning-tree guard command2-440
spanning-tree link-type command2-442
spanning-tree loopguard default command2-443
spanning-tree mode command2-445
spanning-tree mst configuration command2-447
spanning-tree mst cost command2-449
spanning-tree mst forward-time command2-451
spanning-tree mst hello-time command2-452
spanning-tree mst max-age command2-453
spanning-tree mst max-hops command2-455
spanning-tree mst port-priority command2-456
spanning-tree mst priority command2-458
spanning-tree mst root command2-459
spanning-tree portfast (global configuration) command2-463
spanning-tree portfast (interface configuration) command2-465
spanning-tree port-priority command2-461
spanning-tree stack-port command2-467
spanning-tree uplinkfast command2-469
spanning-tree vlan command2-471
speed command2-474
SSH, configuring version2-159
static-access ports, configuring2-480
statistics, Ethernet group2-256
sticky learning, enabling2-491
storm control
broadcast, enabling2-477
displaying2-397
multicast, enabling2-477
unicast, enabling2-477
storm-control command2-477
STP
BackboneFast2-429
debug message display
BackboneFast eventsC-12
MSTPC-15
optimized BPDUs handlingC-14
spanning-tree activityC-10
switch shimC-17
transmitted and received BPDUsC-13
UplinkFastC-19
detection of indirect link failures2-429
EtherChannel misconfiguration2-436
extended system ID2-438
path cost2-434
protocol mode2-445
root port
accelerating choice of new2-469
accelerating choice of new root in a stack2-467
cross-stack UplinkFast2-467
loop guard2-440
preventing from becoming designated2-440
restricting which can be root2-440
root guard2-440
UplinkFast2-469
root switch
affects of extended system ID2-438, 2-472
hello-time2-471
interval between BDPU messages2-471
interval between hello BPDU messages2-471
max-age2-471
port priority for selection of2-461
primary or secondary2-471
switch priority2-471
state changes
blocking to forwarding state2-465
enabling BPDU filtering2-430, 2-463
enabling BPDU guard2-432, 2-463
enabling Port Fast2-463, 2-465
enabling timer to recover from error state2-109
forward-delay time2-471
length of listening and learning states2-471
shutting down Port Fast-enabled ports2-463
state information display2-392
Switched Port Analyzer
switching characteristics
modifying2-489
returning to interfaces2-489
switchport access command2-480
switchport block command2-482
switchport host command2-484
switchport mode command2-486
switchport nonegotiate command2-489
switchport port-security aging command2-495
switchport port-security command2-491
switchport priority extend command2-497
switchport protected command2-499
switchports, displaying2-328
switchport trunk command2-500
switchport voice vlan command2-503
syslog commandA-6
system mtu command2-505
T
tar files, creating, listing, and extracting2-12
Telnet, using with cluster switches2-252
temperature alarms, settingA-4
test relay commandA-21
traceroute, Layer 2
traceroute mac command2-507
traceroute mac ip command2-510
trunk ports, configuring2-486
trunks
allowed VLANs2-500
native VLANs2-500
pruning-eligible VLAN list2-502
pruning VLANs2-500
VLAN 1 minimization2-501
trunks, to non-DTP device2-487
trusted boundary for QoS2-214
type commandB-24
U
UDLD
debug messages, displayingC-28
enabling globally2-512
enabling per interface2-514
error recovery timer2-109
message timer2-512
resetting shutdown interfaces2-516
status2-401
udld command2-512
udld port command2-514
udld reset command2-516
unicast suppression level
configuring2-477
displaying2-397
enabling2-477
UniDirectional Link Detection
unknown multicast traffic, preventing2-482
unknown unicast traffic, preventing2-482
unset (boot loader) commandB-25
upgrade binary command2-517
upgrade preserve command2-518
upgrading software images2-10
UplinkFast, for STP2-469
upstream power back-off
configuring2-178
supported values2-179
V
version commandB-27
vlan (global configuration) command2-519
vlan (VLAN configuration) command2-525
VLAN configuration
VLAN configuration mode
commands
VLAN2-525
VTP2-545
entering2-531
summary1-3
vlan database command2-531
VLAN Query Protocol
VLANs
adding2-519
debug message display
ISLC-24
VLAN IOS file system error testsC-23
VLAN manager activityC-21
VTPC-26
displaying configurations2-406
extended-range2-519
MAC addresses
displaying2-359
number of2-359
saving the configuration2-519
shutting down2-420
SNMP traps for VTP2-422, 2-425
trunks, VLAN 1 minimization2-501
variables2-525
VMPS
configuring servers2-537
reconfirming dynamic VLAN assignments2-535
vmps reconfirm (global configuration) command2-534
vmps reconfirm (privileged EXEC) command2-535
vmps retry command2-536
vmps server command2-537
voice VLAN
configuring2-503
setting port priority2-497
VQP
and dynamic-access ports2-481
clearing client statistics2-54
displaying information2-409
per-server retry count2-536
reconfirmation interval2-534
reconfirming dynamic VLAN assignments2-535
VTP
changing characteristics2-539
clearing pruning counters2-55
clearing VTP counters2-55
configuring
file name2-539
counters display fields2-413
displaying information2-412
enabling
saving the configuration2-519, 2-529
status display fields2-414
vtp (global configuration) command2-539
vtp (privileged EXEC) command2-543
vtp (VLAN configuration) command2-545
W
WRR, assigning weights to egress queues2-549
wrr-queue bandwidth command2-549
wrr-queue cos-map command2-551