A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
L -
M -
N -
P -
Q -
R -
S -
T -
U -
V -
Index
A
aaa accounting dot1x command 2-1
aaa authentication dot1x command 2-3
aaa authorization network command 2-5
AAA methods 2-3
abort command 2-431
access mode 2-386
access ports 2-386
aggregate-port learner 2-157
allowed VLANs 2-398
apply command 2-431
archive download-sw command 2-6
archive tar command 2-8
archive upload-sw command 2-11
audience xiii
authorization state of controlled port 2-65
autonegotiation of duplex mode 2-72
B
BackboneFast, for STP 2-331
backup interfaces
displaying 2-230
boot (boot loader) command A-2
boot boothlpr command 2-13
boot config-file command 2-14
boot enable-break command 2-15
boot helper command 2-16
boot helper-config file command 2-17
booting
Cisco IOS image 2-20
displaying environment variables 2-184
interrupting 2-15
manually 2-18
boot loader
accessing A-1
booting
Cisco IOS image A-2
helper image 2-16
directories
creating A-15
displaying a list of A-7
removing A-19
displaying
available commands A-12
memory heap utilization A-14
version A-26
environment variables
described A-20
displaying settings A-20
location of A-21
setting A-20
unsetting A-24
files
copying A-5
deleting A-6
displaying a list of A-7
displaying the contents of A-4, A-16, A-23
renaming A-17
file system
formatting A-10
initializing flash A-9
running a consistency check A-11
loading helper images A-13
prompt A-1
resetting the system A-18
boot manual command 2-18
boot private-config-file command 2-19
boot system command 2-20
BPDU filtering, for spanning tree 2-332, 2-367
BPDU guard, for spanning tree 2-334, 2-367
broadcast storm control 2-379
C
candidate switches
See clusters
cat (boot loader) command A-4
caution, description xiv
channel-group command 2-21
channel-protocol command 2-24
Cisco Network Assistant
See Network Assistant xiv
class of service
See CoS
clear dot1x command 2-25
clear eap sessions command 2-26
clear errdisable interface 2-27
clear lacp command 2-28
clear mac address-table command 2-29
clear pagp command 2-30
clear port-security command 2-31
clear spanning-tree counters command 2-33
clear spanning-tree detected-protocols command 2-34
clear vmps statistics command 2-35
clear vtp counters command 2-36
cluster commander-address command 2-37
cluster discovery hop-count command 2-39
cluster enable command 2-40
cluster holdtime command 2-41
cluster member command 2-42
cluster outside-interface command 2-44
cluster requirements xiv
cluster run command 2-45
clusters
adding candidates 2-42
binding to HSRP group 2-46
building manually 2-42
communicating with
devices outside the cluster 2-44
members by using Telnet 2-169
debug messages, display B-2
displaying
candidate switches 2-190
debug messages B-2
member switches 2-192
status 2-188
hop-count limit for extended discovery 2-39
HSRP standby groups 2-46
redundancy 2-46
SNMP trap 2-321
cluster standby-group command 2-46
cluster timer command 2-48
command modes defined 1-1
command switch
See clusters
configuration, initial
See getting started guide and hardware installation guide
configuration files
password recovery disable considerations A-1
specifying the name 2-14, 2-19
configuring multiple interfaces 2-84
config-vlan mode
commands 2-420
description 1-4
entering 2-419
summary 1-2
conventions
command xiii
for examples xiv
publication xiii
text xiii
copy (boot loader) command A-5
CoS
assigning default value to incoming packets 2-141
overriding the incoming value 2-141
CPU ASIC statistics, displaying 2-194
crashinfo files 2-77
D
debug cluster command B-2
debug dot1x command B-4
debug dtp command B-5
debug eap command B-6
debug etherchannel command B-7
debug interface command B-8
debug ip igmp filter command B-9
debug ip igmp max-groups command B-10
debug ip igmp snooping command B-11
debug lacp command B-12
debug mac-notification command B-13
debug matm command B-14
debug monitor command B-15
debug nvram command B-16
debug pagp command B-17
debug platform cpu-queues command B-18
debug platform dot1x command B-20
debug platform etherchannel command B-21
debug platform forw-tcam command B-22
debug platform ip dhcp command B-23
debug platform ip igmp snooping command B-24
debug platform led command B-26
debug platform matm command B-27
debug platform messaging application command B-28
debug platform phy command B-29
debug platform pm command B-31
debug platform port-asic command B-33
debug platform port-security command B-34
debug platform qos-acl-tcam command B-35
debug platform resource-manager command B-36
debug platform snmp command B-37
debug platform span command B-38
debug platform supervisor-asic command B-39
debug platform sw-bridge command B-40
debug platform tcam command B-41
debug platform udld command B-43
debug platform vlan command B-44
debug pm command B-45
debug port-security command B-47
debug qos-manager command B-48
debug spanning-tree backbonefast command B-51
debug spanning-tree bpdu command B-52
debug spanning-tree bpdu-opt command B-53
debug spanning-tree command B-49
debug spanning-tree mstp command B-54
debug spanning-tree switch command B-56
debug spanning-tree uplinkfast command B-58
debug sw-vlan command B-59
debug sw-vlan ifs command B-61
debug sw-vlan notification command B-62
debug sw-vlan vtp command B-63
debug udld command B-65
debug vqpc command B-67
define interface-range command 2-49
delete (boot loader) command A-6
delete command 2-51
detect mechanism, causes 2-73
device manager requirements xiv
DHCP snooping
error recovery timer 2-75
dir (boot loader) command A-7
directories, deleting 2-51
documentation, related xiv
document conventions xiii
domain name, VTP 2-438, 2-442
dot1x command 2-52
dot1x default command 2-54
dot1x fallback command 2-55
dot1x guest-vlan command 2-56
dot1x host-mode command 2-58
dot1x initialize command 2-59
dot1x mac-auth-bypass command 2-60
dot1x max-reauth-req command 2-62
dot1x max-req command 2-63
dot1x pae command 2-64
dot1x port-control command 2-65
dot1x re-authenticate command 2-67
dot1x reauthentication command 2-68
dot1x timeout command 2-69
DTP 2-387
DTP flap
error detection for 2-73
error recovery timer 2-75
DTP negotiation 2-388
dual-purpose uplink ports
displaying configurable options 2-233
displaying the active media 2-237
dual-purpose uplink ports, selecting the type 2-137
duplex command 2-71
dynamic-access ports
configuring 2-382
restrictions 2-383
dynamic auto VLAN membership mode 2-386
dynamic desirable VLAN membership mode 2-386
Dynamic Trunking Protocol
See DTP
E
EAP-request/identity frame
maximum number to send 2-63
response time before retransmitting 2-69
environment variables, displaying 2-184
errdisable detect cause command 2-73
errdisable recovery command 2-75
error conditions, displaying 2-219
error disable detection 2-73
error-disabled interfaces, displaying 2-230
EtherChannel
assigning Ethernet interface to channel group 2-21
creating port-channel logical interface 2-82
debug EtherChannel/PAgP, display B-7
debug platform-specific events, display B-21
displaying 2-223
interface information, displaying 2-230
LACP
clearing channel-group information 2-28
debug messages, display B-12
displaying 2-252
modes 2-21
port priority for hot-standby ports 2-113
restricting a protocol 2-24
system priority 2-115
load-distribution methods 2-161
PAgP
aggregate-port learner 2-157
clearing channel-group information 2-30
debug messages, display B-17
displaying 2-283
error detection for 2-73
error recovery timer 2-75
learn method 2-157
modes 2-21
physical-port learner 2-157
priority of interface for transmitted traffic 2-159
Ethernet controller, internal register display 2-196
Ethernet statistics, collecting 2-171
examples, conventions for xiv
exception crashinfo command 2-77
exit command 2-431
extended discovery of candidate switches 2-39
extended-range VLANs
and allowed VLAN list 2-398
and pruning-eligible list 2-398
configuring 2-419
extended system ID for STP 2-340
F
fallback profile command 2-78
fallback profiles, displaying 2-226
fan information, displaying 2-216
file name, VTP 2-438
files, deleting 2-51
flash_init (boot loader) command A-9
Flex Links
displaying 2-230
flowcontrol command 2-80
format (boot loader) command A-10
forwarding results, display C-3
frame forwarding information, displaying C-3
fsck (boot loader) command A-11
G
global configuration mode 1-2, 1-3
H
help (boot loader) command A-12
hop-count limit for clusters 2-39
host connection, port configuration 2-385
Hot Standby Router Protocol
See HSRP
HSRP
binding HSRP group to cluster 2-46
standby group 2-46
I
IEEE 802.1x
and switchport modes 2-387
violation error recovery 2-75
See also port-based authentication
IEEE 802.1X Port Based Authentication
enabling guest VLAN supplicant 2-55, 2-79
IGMP filters
applying 2-90
debug messages, display B-9
IGMP groups, setting maximum 2-91
IGMP maximum groups, debugging B-10
IGMP profiles
creating 2-93
displaying 2-242
IGMP snooping
adding ports as a static member of a group 2-109
displaying 2-243, 2-248, 2-250
enabling 2-95
enabling the configurable-leave timer 2-97
enabling the Immediate-Leave feature 2-106
flooding query count 2-103
interface topology change notification behavior 2-105
multicast table 2-246
querier 2-99
query solicitation 2-103
report suppression 2-101
switch topology change notification behavior 2-103
images
See software images
immediate-leave processing 2-106
initial configuration
See getting started guide and hardware installation guide
interface configuration mode 1-2, 1-4
interface port-channel command 2-82
interface range command 2-84
interface-range macros 2-49
interfaces
assigning Ethernet interface to channel group 2-21
configuring 2-71
configuring multiple 2-84
creating port-channel logical 2-82
debug messages, display B-8
disabling 2-319
displaying the MAC address table 2-266
restarting 2-319
interface speed, configuring 2-377
interface vlan command 2-87
internal registers, displaying 2-196, 2-203
Internet Group Management Protocol
See IGMP
invalid GBIC
error detection for 2-73
error recovery timer 2-75
ip address command 2-88
IP addresses, setting 2-88
ip igmp filter command 2-90
ip igmp max-groups command 2-91
ip igmp profile command 2-93
ip igmp snooping command 2-95
ip igmp snooping last-member-query-interval command 2-97
ip igmp snooping querier command 2-99
ip igmp snooping report-suppression command 2-101
ip igmp snooping tcn command 2-103
ip igmp snooping tcn flood command 2-105
ip igmp snooping vlan immediate-leave command 2-106
ip igmp snooping vlan mrouter command 2-107
ip igmp snooping vlan static command 2-109
ip ssh command 2-111
J
jumbo frames
See MTU
L
LACP
See EtherChannel
lacp port-priority command 2-113
lacp system-priority command 2-115
Layer 2 traceroute
IP addresses 2-410
MAC addresses 2-407
line configuration mode 1-2, 1-5
Link Aggregation Control Protocol
See EtherChannel
link flap
error detection for 2-73
error recovery timer 2-75
load_helper (boot loader) command A-13
load-distribution methods for EtherChannel 2-161
logging event command 2-117
logging file command 2-118
logical interface 2-82
loopback error
detection for 2-73
recovery timer 2-75
loop guard, for spanning tree 2-342, 2-346
M
MAC addresses
displaying
aging time 2-260
all 2-258
dynamic 2-264
notification settings 2-268
number of addresses in a VLAN 2-262
per interface 2-266
per VLAN 2-272
static 2-270
static and dynamic entries 2-256
dynamic
aging time 2-120
deleting 2-29
displaying 2-264
enabling MAC address notification 2-121
static
adding and removing 2-123
displaying 2-270
dropping on an interface 2-124
tables 2-258
MAC address notification, debugging B-13
mac address-table aging-time 2-120
mac address-table aging-time command 2-120
mac address-table notification command 2-121
mac address-table static command 2-123
mac address-table static drop command 2-124
macro apply command 2-126
macro description command 2-129
macro global command 2-130
macro global description command 2-133
macro name command 2-134
macros
adding a description 2-129
adding a global description 2-133
applying 2-130
creating 2-134
displaying 2-285
interface range 2-49, 2-84
specifying parameter values 2-130
tracing 2-130
manual
audience xiii
purpose of xiii
maps
QoS
displaying 2-279
maximum transmission unit
See MTU
mdix auto command 2-136
media-type command 2-137
member switches
See clusters
memory (boot loader) command A-14
mkdir (boot loader) command A-15
mls qos command 2-139
mls qos cos command 2-141
mls qos rewrite ip dscp command 2-143
mls qos-srr-queue input cos-map command 2-145
mls qos srr-queue input priority-queue command 2-147
mls qos-srr-queue output cos-map command 2-149
mls qos trust command 2-151
Mode button, and password recovery 2-174
modes, commands 1-1
monitor session command 2-152
more (boot loader) command A-16
MSTP
displaying 2-295, 2-296
interoperability 2-34
link type 2-344
MST region
aborting changes 2-350
applying changes 2-350
configuration name 2-350
configuration revision number 2-350
current or pending display 2-350
displaying 2-295, 2-296
MST configuration mode 2-350
VLANs-to-instance mapping 2-350
path cost 2-352
protocol mode 2-348
restart protocol migration process 2-34
root port
loop guard 2-342
preventing from becoming designated 2-342
restricting which can be root 2-342
root guard 2-342
root switch
affects of extended system ID 2-340
hello-time 2-355, 2-363
interval between BDPU messages 2-356
interval between hello BPDU messages 2-355, 2-363
max-age 2-356
maximum hop count before discarding BPDU 2-357
port priority for selection of 2-359
primary or secondary 2-363
switch priority 2-362
state changes
blocking to forwarding state 2-369
enabling BPDU filtering 2-332, 2-367
enabling BPDU guard 2-334, 2-367
enabling Port Fast 2-367, 2-369
forward-delay time 2-354
length of listening and learning states 2-354
rapid transition to forwarding 2-344
shutting down Port Fast-enabled ports 2-367
state information display 2-294
MTU
configuring size 2-404
displaying global setting 2-303
multicast router learning method 2-107
multicast router ports, configuring 2-107
multicast storm control 2-379
Multiple Spanning Tree Protocol
See MSTP
N
native VLANs 2-398
Network Assistant requirements xiv
nonegotiate, speed 2-377
nonegotiating DTP messaging 2-388
normal-range VLANs 2-419, 2-424
note, description xiv
no vlan command 2-419, 2-428
P
PAgP
See EtherChannel
pagp learn-method command 2-157
pagp port-priority command 2-159
password, VTP 2-438, 2-442
password-recovery mechanism, enabling and disabling 2-174
per-VLAN spanning-tree plus
See STP
physical-port learner 2-157
PID, displaying 2-241
PIM-DVMRP, as multicast router learning method 2-107
policy maps
applying to an interface 2-178
traffic classification
defining trust states 2-412
setting DSCP or IP precedence values 2-176
Port Aggregation Protocol
See EtherChannel
port-based authentication
AAA method list 2-3
debug messages, display B-4
enabling IEEE 802.1x
globally 2-52
per interface 2-65
guest VLAN 2-56
host modes 2-58
IEEE 802.1x AAA accounting methods 2-1
initialize an interface 2-59
MAC authentication bypass 2-60
manual control of authorization state 2-65
PAE as authenticator 2-64
periodic re-authentication
enabling 2-68
time between attempts 2-69
quiet period between failed authentication exchanges 2-69
re-authenticating IEEE 802.1x-enabled ports 2-67
resetting configurable IEEE 802.1x parameters 2-54
switch-to-authentication server retransmission time 2-69
switch-to-client frame-retransmission number2-62to 2-63
switch-to-client retransmission time 2-69
port-channel load-balance command 2-161
Port Fast, for spanning tree 2-369
port ranges, defining 2-49
ports, debugging B-45
ports, protected 2-397
port security
aging 2-395
debug messages, display B-47
enabling 2-390
violation error recovery 2-75
port trust states for QoS 2-151
power information, displaying 2-216
priority-queue command 2-163
privileged EXEC mode 1-2, 1-3
product identification information, displaying 2-241
protected ports, displaying 2-235
pruning
VLANs 2-398
VTP
displaying interface information 2-230
enabling 2-438, 2-442
pruning-eligible VLAN list 2-399
PVST+
See STP
Q
QoS
defining the CoS value for an incoming packet 2-141
displaying configuration information 2-274
DSCP transparency 2-143
egress queues
defining the CoS output queue threshold map 2-149
displaying buffer allocations 2-276
displaying CoS output queue threshold map 2-279
displaying queueing strategy 2-276
mapping CoS values to a queue and threshold 2-149
enabling 2-139
ingress queues
defining the CoS input queue threshold map 2-145
displaying buffer allocations 2-276
displaying CoS input queue threshold map 2-279
displaying queueing strategy 2-276
displaying settings for 2-275
enabling the priority queue 2-147
mapping CoS values to a queue and threshold 2-145
maps
defining 2-145, 2-149
displaying 2-279
policy maps
applying to an interface 2-178
setting DSCP or IP precedence values 2-176
trust states 2-412
port trust states 2-151
queues, enabling the expedite 2-163
statistics
in-profile and out-of-profile packets 2-276
packets enqueued or dropped 2-276
sent and received CoS values 2-276
sent and received DSCP values 2-276
R
radius-server dead-criteria command 2-165
radius-server host command 2-167
rapid per-VLAN spanning-tree plus
See STP
rapid PVST+
See STP
rcommand command 2-169
re-authenticating IEEE 802.1x-enabled ports 2-67
re-authentication
periodic 2-68
time between attempts 2-69
receiving flow-control packets 2-80
recovery mechanism
causes 2-75
display 2-27, 2-186, 2-217, 2-221
timer interval 2-75
redundancy for cluster switches 2-46
Remote Switched Port Analyzer
See RSPAN
rename (boot loader) command A-17
requirements
cluster xiv
device manager xiv
Network Assistant xiv
reset (boot loader) command A-18
reset command 2-431
resource templates, displaying 2-291
rmdir (boot loader) command A-19
rmon collection stats command 2-171
root guard, for spanning tree 2-342
RSPAN
configuring 2-152
displaying 2-281
filter RSPAN traffic 2-152
sessions
add interfaces to 2-152
displaying 2-281
start new 2-152
S
sdm prefer command 2-172
SDM templates
displaying 2-291
secure ports, limitations 2-392
sending flow-control packets 2-80
service password-recovery command 2-174
set (boot loader) command A-20
set command 2-176
setup command 2-178
setup express command 2-181
show archive status command 2-183
show boot command 2-184
show cable-diagnostics tdr command 2-186
show changes command 2-431
show cluster candidates command 2-190
show cluster command 2-188
show cluster members command 2-192
show controllers cpu-interface command 2-194
show controllers ethernet-controller command 2-196
show controllers tcam command 2-203
show controller utilization command 2-205
show current command 2-431
show dot1x command 2-207
show dtp 2-211
show eap command 2-213
show env command 2-216
show errdisable detect command 2-217
show errdisable flap-values command 2-219
show errdisable recovery command 2-221
show etherchannel command 2-223
show fallback profile command 2-226
show flowcontrol command 2-228
show interfaces command 2-230
show interfaces counters command 2-239
show inventory command 2-241
show ip igmp profile command 2-242
show ip igmp snooping command 2-243
show ip igmp snooping groups command 2-246
show ip igmp snooping mrouter command 2-248
show ip igmp snooping querier command 2-250
show lacp command 2-252
show mac address-table address command 2-258
show mac address-table aging time command 2-260
show mac address-table command 2-256
show mac address-table count command 2-262
show mac address-table dynamic command 2-264
show mac address-table interface command 2-266
show mac address-table notification command 2-268
show mac address-table static command 2-270
show mac address-table vlan command 2-272
show mls qos command 2-274
show mls qos input-queue command 2-275
show mls qos interface command 2-276
show mls qos maps command 2-279
show monitor command 2-281
show pagp command 2-283
show parser macro command 2-285
show platform etherchannel command C-2
show platform forward command C-3
show platform igmp snooping command C-5
show platform layer4op command C-7
show platform mac-address-table command C-8
show platform messaging command C-9
show platform monitor command C-10
show platform pm command C-11
show platform port-asic command C-12
show platform port-security command C-20
show platform qos command C-21
show platform resource-manager command C-22
show platform snmp counters command C-24
show platform spanning-tree command C-25
show platform stp-instance command C-26
show platform tcam command C-27
show platform vlan command C-29
show port security command 2-288
show proposed command 2-431
show sdm prefer command 2-291
show setup express command 2-293
show spanning-tree command 2-294
show storm-control command 2-301
show system mtu command 2-303
show trust command 2-412
show udld command 2-304
show version command 2-307
show vlan command 2-309
show vlan command, fields 2-310
show vmps command 2-312
show vtp command 2-315
shutdown command 2-319
shutdown vlan command 2-320
Smartports macros
See macros
SNMP host, specifying 2-325
SNMP informs, enabling the sending of 2-321
snmp-server enable traps command 2-321
snmp-server host command 2-325
snmp trap mac-notification command 2-329
SNMP traps
enabling MAC address notification trap 2-329
enabling the MAC address notification feature 2-121
enabling the sending of 2-321
software images
deleting 2-51
uploading 2-11
software version, displaying 2-307
SPAN
configuring 2-152
debug messages, display B-15
displaying 2-281
filter SPAN traffic 2-152
sessions
add interfaces to 2-152
displaying 2-281
start new 2-152
spanning-tree backbonefast command 2-331
spanning-tree bpdufilter command 2-332
spanning-tree bpduguard command 2-334
spanning-tree cost command 2-336
spanning-tree etherchannel command 2-338
spanning-tree extend system-id command 2-340
spanning-tree guard command 2-342
spanning-tree link-type command 2-344
spanning-tree loopguard default command 2-346
spanning-tree mode command 2-348
spanning-tree mst configuration command 2-350
spanning-tree mst cost command 2-352
spanning-tree mst forward-time command 2-354
spanning-tree mst hello-time command 2-355
spanning-tree mst max-age command 2-356
spanning-tree mst max-hops command 2-357
spanning-tree mst port-priority command 2-359
spanning-tree mst pre-standard command 2-361
spanning-tree mst priority command 2-362
spanning-tree mst root command 2-363
spanning-tree portfast (global configuration) command 2-367
spanning-tree portfast (interface configuration) command 2-369
spanning-tree port-priority command 2-365
Spanning Tree Protocol
See STP
spanning-tree transmit hold-count command 2-371
spanning-tree uplinkfast command 2-372
spanning-tree vlan command 2-374
speed command 2-377
SSH, configuring version 2-111
static-access ports, configuring 2-382
statistics, Ethernet group 2-171
sticky learning, enabling 2-390
storm-control command 2-379
STP
BackboneFast 2-331
counters, clearing 2-33
debug messages, display
BackboneFast events B-51
MSTP B-54
optimized BPDUs handling B-53
spanning-tree activity B-49
switch shim B-56
transmitted and received BPDUs B-52
UplinkFast B-58
detection of indirect link failures 2-331
EtherChannel misconfiguration 2-338
extended system ID 2-340
path cost 2-336
protocol modes 2-348
root port
accelerating choice of new 2-372
loop guard 2-342
preventing from becoming designated 2-342
restricting which can be root 2-342
root guard 2-342
UplinkFast 2-372
root switch
affects of extended system ID 2-340, 2-375
hello-time 2-374
interval between BDPU messages 2-374
interval between hello BPDU messages 2-374
max-age 2-374
port priority for selection of 2-365
primary or secondary 2-374
switch priority 2-374
state changes
blocking to forwarding state 2-369
enabling BPDU filtering 2-332, 2-367
enabling BPDU guard 2-334, 2-367
enabling Port Fast 2-367, 2-369
enabling timer to recover from error state 2-75
forward-delay time 2-374
length of listening and learning states 2-374
shutting down Port Fast-enabled ports 2-367
state information display 2-294
VLAN options 2-362, 2-374
Switched Port Analyzer
See SPAN
switchport access command 2-382
switchport block command 2-384
switchport host command 2-385
switchport mode command 2-386
switchport nonegotiate command 2-388
switchport port-security aging command 2-395
switchport port-security command 2-390
switchport protected command 2-397
switchports, displaying 2-230
switchport trunk command 2-398
switchport voice vlan command 2-401, 2-402
system message logging, save message to flash 2-118
system mtu command 2-404
system resource templates 2-172
T
tar files, creating, listing, and extracting 2-8
TDR, running 2-406
Telnet, using to communicate to cluster switches 2-169
temperature information, displaying 2-216
templates, SDM 2-172
templates, system resources 2-172
test cable-diagnostics tdr command 2-406
traceroute mac command 2-407
traceroute mac ip command 2-410
trunking, VLAN mode 2-386
trunk mode 2-386
trunk ports 2-386
trunks, to non-DTP device 2-387
trusted port states for QoS 2-151
type (boot loader) command A-23
U
UDLD
aggressive mode 2-414, 2-416
debug messages, display B-65
enable globally 2-414
enable per interface 2-416
error recovery timer 2-75
message timer 2-414
normal mode 2-414, 2-416
reset a shutdown interface 2-418
status 2-304
udld command 2-414
udld port command 2-416
udld reset command 2-418
unicast storm control 2-379
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing 2-384
unknown unicast traffic, preventing 2-384
unset (boot loader) command A-24
upgrading information
See release notes
UplinkFast, for STP 2-372
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-26
vlan (global configuration) command 2-419
vlan (VLAN configuration) command 2-424
VLAN configuration
rules 2-422, 2-426
saving 2-419, 2-428
VLAN configuration mode
commands
VLAN 2-424
VTP 2-442
description 1-5
entering 2-430
summary 1-2
vlan database command 2-430
VLAN ID range 2-419, 2-424
VLAN Query Protocol
See VQP
VLANs
adding 2-419
configuring 2-419, 2-424
debug messages, display
ISL B-62
VLAN IOS file system error tests B-61
VLAN manager activity B-59
VTP B-63
displaying configurations 2-309
enabling guest VLAN supplicant 2-55, 2-79
extended-range 2-419
MAC addresses
displaying 2-272
number of 2-262
media types 2-421, 2-426
normal-range 2-419, 2-424
restarting 2-320
saving the configuration 2-419
shutting down 2-320
SNMP traps for VTP 2-323, 2-326
suspending 2-320
variables 2-424
VLAN Trunking Protocol
See VTP
VMPS
configuring servers 2-436
displaying 2-312
error recovery timer 2-75
reconfirming dynamic VLAN assignments 2-433
vmps reconfirm (global configuration) command 2-434
vmps reconfirm (privileged EXEC) command 2-433
vmps retry command 2-435
vmps server command 2-436
voice VLAN
configuring 2-401, 2-402
VQP
and dynamic-access ports 2-383
clearing client statistics 2-35
displaying information 2-312
per-server retry count 2-435
reconfirmation interval 2-434
reconfirming dynamic VLAN assignments 2-433
VTP
changing characteristics 2-438
clearing pruning counters 2-36
configuring
domain name 2-438, 2-442
file name 2-438
mode 2-438, 2-442
password 2-438, 2-442
counters display fields 2-316
displaying information 2-315
enabling
pruning 2-438, 2-442
Version 2 2-438, 2-442
mode 2-438, 2-442
pruning 2-438, 2-442
saving the configuration 2-419, 2-428
statistics 2-315
status 2-315
status display fields 2-317
vtp (global configuration) command 2-438
vtp (VLAN configuration) command 2-442