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 command 1
aaa authentication dot1x command 3
AAA methods 3
access control entries
See ACEs
access control lists
See ACLs
access groups
IP 95
MAC, displaying 340
matching for QoS classification 180
access mode 482
access ports 482
ACEs 60, 208
ACLs
as match criteria for QoS classes 180
deny 58
displaying 261
for non-IP protocols 162
IP 95
on Layer 2 interfaces 95
permit 206
action command 5
address aliasing 195
aggregate policers
applying 217
creating 213
displaying 372
QoS 214
aggregate-port learner 200
allowed VLANs 497
archive download-sw command 7
archive tar command 10
archive upload-sw command 13
arp access-list command 15
attaching policy maps to interfaces 244
authorization state of controlled port 67
autonegotiation of duplex mode 78
B
bandwidth, configuring for QoS 17
bandwidth command 17
boot (boot loader) command 2
boot config-file command 20
boot enable-break command 21
boot helper command 22
boot helper-config file command 23
booting
Cisco IOS image 26
displaying environment variables 266
interrupting 21
manually 24
boot loader
accessing 1
booting
Cisco IOS image 2
helper image 22
directories
creating 14
displaying a list of 7
removing 18
boot loader (continued)
displaying
available commands 12
memory heap utilization 13
version 25
environment variables
described 19
displaying settings 19
location of 20
setting 19
unsetting 23
files
copying 5
deleting 6
displaying a list of 7
displaying the contents of 4, 15, 22
renaming 16
file system
formatting 10
initializing flash 9
running a consistency check 11
prompt 1
resetting the system 17
boot manual command 24
boot private-config-file command 25
boot system command 26
BPDU filtering, for spanning tree 424, 462
BPDU guard, for spanning tree 426, 462
broadcast storm control 472
burst bytes, in QoS policers 209, 213
C
cat (boot loader) command 4
CBWFQ, configuring 17
channel-group command 27
channel-protocol command 31
child policy maps 246
class-based traffic shaping 259
class-based weighted fair queuing
See CBWFQ
class command 33
class-map command 35
class-map configuration mode 35
class maps
creating 35
defining the match criteria 181
displaying 270
matching in 35
class of service
See CoS
clear ip arp inspection log command 37
clear ip arp inspection statistics command 38
clear lacp command 41
clear mac address-table command 42
clear pagp command 43
clear policer cpu uni-eni counters command 44
clear port-security command 45
clear spanning-tree counters command 47
clear spanning-tree detected-protocols command 48
clear vmps statistics command 50
command modes defined 1
committed information rate in QoS policers 209, 213
configuration files
password recovery disable considerations 1
specifying the name 20, 25
configuring multiple interfaces 92
conform-action command 51
control-plane policer 44
control-plane policer information, displaying 373
control-plane security 219
control plane statistics, clearing 44
copy (boot loader) command 5
CoS
as match criteria for QoS groups 181
for QoS classification 248
setting value in policy maps 248
CPU ASIC statistics, displaying 271
CPU protection policers, displaying 16
D
debug dot1x command 2
debug etherchannel command 3
debug interface command 4
debug ip igmp filter command 5
debug ip igmp max-groups command 6
debug ip igmp snooping command 7
debug lacp command 8
debug mac-notification command 9
debug matm command 10
debug monitor command 11
debug mvrdbg command 12
debug nvram command 13
debug pagp command 14
debug platform acl command 15
debug platform cpu-queues command 16
debug platform dot1x command 18
debug platform etherchannel command 19
debug platform forw-tcam command 20
debug platform ip arp inspection command 21
debug platform ip dhcp command 22
debug platform ip igmp snooping command 23
debug platform ip source-guard command 25
debug platform led command 26
debug platform matm command 27
debug platform messaging application command 28
debug platform phy command 29
debug platform pm command 31
debug platform policer cpu uni-eni command 33
debug platform port-asic command 34
debug platform port-security command 35
debug platform qos-acl-tcam command 36
debug platform remote-commands command 37
debug platform resource-manager command 38
debug platform snmp command 39
debug platform span command 40
debug platform supervisor-asic command 41
debug platform sw-bridge command 42
debug platform tcam command 43
debug platform udld command 45
debug platform vlan command 46
debug pm command 47
debug port-security command 49
debug qos-manager command 50
debug spanning-tree bpdu command 53
debug spanning-tree bpdu-opt command 54
debug spanning-tree command 51
debug spanning-tree mstp command 55
debug spanning-tree switch command 57
debug sw-vlan command 59
debug sw-vlan ifs command 60
debug sw-vlan notification command 61
debug udld command 63
debug vqpc command 65
default policer configuration
NNIs 18
UNIs 17
define interface-range command 53
delete (boot loader) command 6
delete command 55
deny (ARP access-list configuration) command 56
deny command 58
detect mechanism, causes 79
DHCP snooping
accepting untrusted packets from edge switch 118
enabling
on a VLAN 124
option 82 116, 118
trust on an interface 122
error recovery timer 83
rate limiting 121
DHCP snooping binding database
binding file, configuring 114
bindings
adding 112
deleting 112
displaying 317
clearing database agent statistics 39
database agent, configuring 114
displaying
binding entries 317
database agent status 319, 321
renewing 239
differentiated service code point
See DSCP
dir (boot loader) command 7
directories, deleting 55
dot1x default command 61
dot1x host-mode command 62
dot1x initialize command 64
dot1x max-req command 65, 66
dot1x port-control command 67
dot1x re-authenticate command 69
dot1x reauthentication command 70
dot1x system-auth-control command 71
dot1x test eapol-capable command 72
dot1x test timeout command 73
dot1x timeout command 74
dot1x violation-mode command 76
dropping packets, with ACL matches 5
DSCP
as match criteria for QoS groups 182
for QoS traffic marking 250
setting in policy maps 250
duplex command 77
dynamic-access ports
configuring 477
restrictions 478
dynamic ARP inspection
ARP ACLs
apply to a VLAN 99
define 15
deny packets 56
display 265
permit packets 204
clear
log buffer 37
statistics 38
display
ARP ACLs 265
configuration and operating state 312
log buffer 312
statistics 312
trust state and rate limit 312
enable per VLAN 108
log buffer
clear 37
configure 103
display 312
rate-limit incoming ARP packets 101
statistics
clear 38
display 312
trusted interface state 105
type of packet logged 109
validation checks 106
Dynamic Host Configuration Protocol (DHCP)
See DHCP snooping
E
EAP-request/identity frame
maximum number to send 66
response time before retransmitting 74
environment variables, displaying 266
errdisable detect cause command 79
errdisable detect cause small-frame comand 81
errdisable recovery cause small-frame 85
errdisable recovery command 83
error conditions, displaying 290
error disable detection 79
error-disabled interfaces, displaying 301
EtherChannel
assigning Ethernet interface to channel group 27
creating port-channel logical interface 90
debug EtherChannel/PAgP, display 3
debug platform-specific events, display 19
displaying 294
interface information, displaying 301
LACP
clearing channel-group information 41
debug messages, display 8
displaying 336
modes 27
port priority for hot-standby ports 153
restricting a protocol 31
system priority 155
load-distribution methods 224
PAgP
aggregate-port learner 200
clearing channel-group information 43
debug messages, display 14
displaying 368
error detection for 79
error recovery timer 83
learn method 200
modes 27
physical-port learner 200
priority of interface for transmitted traffic 202
Ethernet controller, internal register display 273
Ethernet statistics, collecting 241
exceed-action command 86
extended-range VLANs
and allowed VLAN list 497
configuring 517
extended system ID for STP 432
F
fan information, displaying 287
files, deleting 55
flash_init (boot loader) command 9
flowcontrol command 88
format (boot loader) command 10
forwarding packets, with ACL matches 5
forwarding results, display 6
frame forwarding information, displaying 6
fsck (boot loader) command 11
G
global configuration mode 2, 3
H
hardware ACL statistics 261
help (boot loader) command 12
host connection, port configuration 481
host ports, private VLANs 484
I
IEEE 802.1x
and switchport modes 482
violation error recovery 83
See also port-based authentication
IGMP filters
applying 127
debug messages, display 5
IGMP groups, setting maximum 129
IGMP maximum groups, debugging 6
IGMP profiles
creating 131
displaying 324
IGMP snooping
adding ports as a static member of a group 146
displaying 325, 329, 331
enabling 133
enabling the configurable-leave timer 135
enabling the Immediate-Leave feature 143
flooding query count 141
interface topology change notification behavior 142
multicast table 327
querier 137
query solicitation 141
report suppression 139
switch topology change notification behavior 141
images
See software images
Immediate-Leave feature, MVR 197
immediate-leave processing 143
input policy maps
and ACL classification 180
and aggregate policers 215
commands not supported in 222
configuration guidelines 222
interface command 94
interface configuration mode 2, 4
interface port-channel command 90
interface range command 92
interface-range macros 53
interfaces
assigning Ethernet interface to channel group 27
configuring 77
configuring multiple 92
creating port-channel logical 90
debug messages, display 4
disabling 409
displaying the MAC address table 352
restarting 409
interface speed, configuring 470
internal registers, displaying 273, 280
Internet Group Management Protocol
See IGMP
invalid GBIC
error detection for 79
error recovery timer 83
ip address command 97
IP addresses, setting 97
IP address matching 178
ip arp inspection filter vlan command 99
ip arp inspection limit command 101
ip arp inspection log-buffer command 103
ip arp inspection trust command 105
ip arp inspection validate command 106
ip arp inspection vlan command 108
ip arp inspection vlan logging command 109
IP DHCP snooping
See DHCP snooping
ip dhcp snooping binding command 112
ip dhcp snooping command 111
ip dhcp snooping database command 114
ip dhcp snooping information option allow-untrusted command 118
ip dhcp snooping information option command 116
ip dhcp snooping information option format remote-id command 120
ip dhcp snooping limit rate command 121
ip dhcp snooping trust command 122
ip dhcp snooping verify command 123
ip dhcp snooping vlan command 124
ip dhcp snooping vlan information option format-type circuit-id string command 125
ip igmp filter command 127
ip igmp max-groups command 129
ip igmp profile command 131
ip igmp snooping command 133
ip igmp snooping last-member-query-interval command 135
ip igmp snooping querier command 137
ip igmp snooping report-suppression command 139
ip igmp snooping tcn command 141
ip igmp snooping tcn flood command 142
ip igmp snooping vlan immediate-leave command 143
ip igmp snooping vlan mrouter command 144
ip igmp snooping vlan static command 146
IP multicast addresses 194
IP precedence, as match criteria for QoS groups 184
ip source binding command 148
IP source guard
disabling 152
displaying
binding entries 333
configuration 334
enabling 152
static IP source bindings 148
IP source guard, displaying dynamic binding entries 317
ip ssh command 150
ip verify source command 152
J
jumbo frames
See MTU
L
LACP
See EtherChannel
lacp port-priority command 153
lacp system-priority command 155
Layer 2 traceroute
IP addresses 508
MAC addresses 505
line configuration mode 2, 4
Link Aggregation Control Protocol
See EtherChannel
link flap
error detection for 79
error recovery timer 83
load-distribution methods for EtherChannel 224
logging event command 157
logging file command 158
logical interface 90
loopback error
detection for 79
recovery timer 83
loop guard, for spanning tree 434, 438
M
mac access-group command 160
MAC access-groups, displaying 340
MAC access list configuration mode 162
mac access-list extended command 162
MAC access lists 58
MAC addresses
displaying
aging time 346
all 344
dynamic 350
notification settings 354
number of addresses in a VLAN 348
per interface 352
per VLAN 358
static 356
static and dynamic entries 342
dynamic
aging time 164
deleting 42
displaying 350
enabling MAC address notification 165
matching 178
static
adding and removing 167
displaying 356
dropping on an interface 168
tables 344
MAC address notification, debugging 9
mac address-table aging-time 160, 178
mac address-table aging-time command 164
mac address-table notification command 165
mac address-table static command 167
mac address-table static drop command 168
macro description command 172
macro global command 173
macro global description command 175
macro name command 176
macros
adding a description 172
adding a global description 175
applying 173
creating 176
displaying 370
interface range 53, 92
specifying parameter values 173
tracing 173
mapping tables, QoS 501
maps
class
creating 35
VLAN
creating 520
defining 178
displaying 405
match access-group command 180
match cos command 181
match ip dscp command 182
match ip precedence command 184
match qos-group command 186
maximum transmission unit
See MTU
mdix auto command 188
memory (boot loader) command 13
mkdir (boot loader) command 14
mode, MVR 194
modes, commands 1
monitor session command 190
more (boot loader) command 15
MSTP
displaying 387
interoperability 48
link type 436
MST region
aborting changes 442
applying changes 442
configuration name 442
configuration revision number 443
current or pending display 443
displaying 387
MST configuration mode 442
VLANs-to-instance mapping 442
path cost 444
protocol mode 440
restart protocol migration process 48
root port
loop guard 434
preventing from becoming designated 434
restricting which can be root 434
root guard 434
root switch
affects of extended system ID 432
hello-time 447, 458
interval between BDPU messages 449
interval between hello BPDU messages 447, 458
max-age 449
maximum hop count before discarding BPDU 451
port priority for selection of 453
primary or secondary 458
switch priority 456
MSTP (continued)
state changes
blocking to forwarding state 465
enabling BPDU filtering 424, 462
enabling BPDU guard 426, 462
enabling Port Fast 462, 465
forward-delay time 446
length of listening and learning states 446
rapid transition to forwarding 436
shutting down Port Fast-enabled ports 462
state information display 386
MTU
configuring size 499
displaying global setting 394
multicast group address, MVR 197
multicast groups, MVR 195
multicast router learning method 144
multicast router ports, configuring 144
multicast storm control 472
multicast VLAN, MVR 194
multicast VLAN registration
See MVR
multiple hosts on authorized port 62
Multiple Spanning Tree Protocol
See MSTP
MVR
and address aliasing 195
configuring 194
configuring interfaces 197
debug messages, display 12
displaying 362
displaying interface information 364
members, displaying 366
mvr (global configuration) command 194
mvr (interface configuration) command 197
mvr vlan group command 198
N
native VLANs 497
network node interface 226
nonegotiate, speed 470, 471
non-IP protocols
denying 58
forwarding 206
non-IP traffic access lists 162
non-IP traffic forwarding
denying 58
permitting 206
normal-range VLANs 517
no vlan command 517
O
output policy maps
and QoS group classification 186
and traffic shaping 259
commands not supported in 222
configuration guidelines 222
priority in 229
queue limit in 234
P
PAgP
See EtherChannel
pagp learn-method command 200
pagp port-priority command 202
parent policy maps 246
password-recovery mechanism, enabling and disabling 242
permit (ARP access-list configuration) command 204
permit command 206
per-VLAN spanning-tree plus
See STP
physical-port learner 200
PID, displaying 311
PIM-DVMRP, as multicast router learning method 144
police
multiple conform actions for a class 51
multiple exceed actions for a class 86
with priority 209
police aggregate command 217
police command 209
policer aggregate command 213
policer configuration
default for NNIs 18
default for UNIs 17
policer cpu uni command 219
policers
aggregate 213, 217
for CPU protection 219
individual 209
policy-map class, configuring multiple actions 51, 86
policy-map class configuration mode 33
policy-map class police configuration mode 51, 211
policy-map command 221
policy-map configuration mode 221
policy maps
and CoS classification 181
and DSCP classification 182
and IP precedence classification 184
and policing 211
applying 244
applying to an interface 222, 244, 256
child 246
creating 221
displaying 376
hierarchical 246
parent 246
policers
for a single class 209
for multiple classes 213, 217, 219, 246
setting priority 228
setting QoS group identifier 254
policy maps (continued)
traffic classification, defining 33
traffic marking
setting CoS values 248
setting DSCP values 250
setting IP precedence values 252
Port Aggregation Protocol
See EtherChannel
port-based authentication
AAA method list 3
configuring violation modes 76
debug messages, display 2
enabling 802.1x
globally 71
per interface 67
host modes 62
IEEE 802.1x AAA accounting methods 1
initialize an interface 64, 73
manual control of authorization state 67
multiple hosts on authorized port 62
periodic re-authentication
enabling 70
time between attempts 74
quiet period between failed authentication exchanges 74
re-authenticating 802.1x-enabled ports 69
resetting configurable 802.1x parameters 61
switch-to-authentication server retransmission time 74
switch-to-client frame-retransmission number65to 66
switch-to-client retransmission time 74
test for IEEE 802.1x readiness 72
port-channel load-balance command 224
Port Fast, for spanning tree 465
port ranges, defining 53
ports, debugging 47
ports, protected 495
port security
aging 491
debug messages, display 49
enabling 487
violation error recovery 83
port shaping 260
port-type command 226
port types, MVR 197
power information, displaying 287
power-supply status, displaying 287
precedence
for QoS traffic marking 252
setting in policy maps 252
priority command 228
priority queuing, QoS 228
priority with police, QoS 228
private-vlan command 231
private VLANs
association 493
configuring 231
configuring ports 484
displaying 401
host ports 484
mapping
configuring 493
promiscuous ports 484
privileged EXEC mode 2, 3
product identification information, displaying 311
promiscuous ports, private VLANs 484
PVST+
See STP
Q
QoS
aggregate policers
applying 217
creating 213
displaying 372
class maps
creating 35
defining the match criteria 181
displaying 270
displaying statistics for 376, 25
policy maps
applying an aggregate policer 213, 217, 219, 246
applying to an interface 244, 256
creating 221
defining policers 209
displaying policy maps 376
setting CoS values 248
setting DSCP values 250
setting IP precedence values 252
setting QoS group identifier 254
traffic classifications 33
table maps
configuring 501
displaying 395
QoS groups
as match criteria 186
for QoS traffic classification 254
setting in policy maps 254
QoS match criteria
ACLs 180
CoS value 181
DSCP value 182
precedence value 184
QoS group number 186
quality of service
See QoS
querytime, MVR 194
queue-limit command 234
R
rapid per-VLAN spanning-tree plus
See STP
rapid PVST+
See STP
re-authenticating 802.1x-enabled ports 69
re-authentication
periodic 70
time between attempts 74
receiver ports, MVR 197
receiving flow-control packets 88
recovery mechanism
causes 83
display 268, 288, 292
timer interval 84
remote-span command 237
Remote Switched Port Analyzer
See RSPAN
rename (boot loader) command 16
renew ip dhcp snooping database command 239
reset (boot loader) command 17
rmdir (boot loader) command 18
rmon collection stats command 241
root guard, for spanning tree 434
RSPAN
configuring 190
displaying 360
filter RSPAN traffic 190
remote-span command 237
sessions
add interfaces to 190
displaying 360
start new 190
S
SDM templates
displaying 385
secure ports, limitations 489
sending flow-control packets 88
service password-recovery command 242
service policy (policy-map class configuration) command 246
service-policy interface configuration command 244
service-policy policy-map class configuration command 246
set (boot loader) command 19
set cos command 248
set dscp command 250
set precedence command 252
set qos-group command 254
setup command 256
SFPs, displaying information about 311
shape average command 259
show access-lists command 261
show aggregate-policer command 395
show archive status command 264
show arp access-list command 265
show boot command 266
show class-map command 270
show controllers cpu-interface command 271
show controllers ethernet-controller command 273
show controllers tcam command 280
show controllers utilization command 282
show controller utilization command 282
show dot1x command 284
show env command 287
show errdisable detect command 288
show errdisable flap-values command 290
show errdisable recovery command 292
show etherchannel command 294
show flowcontrol command 297
show idprom command 299
show interfaces command 301
show interfaces counters command 309
show inventory command 311
show ip arp inspection command 312
show ip dhcp snooping binding command 317
show ip dhcp snooping command 316
show ip dhcp snooping database command 319, 321
show ip igmp profile command 324
show ip igmp snooping command 325
show ip igmp snooping command querier detail 331
show ip igmp snooping groups command 327
show ip igmp snooping mrouter command 329
show ip igmp snooping querier command 331
show ip igmp snooping querier detail command 331
show ip source binding command 333
show ip verify source command 334
show lacp command 336
show mac access-group command 340
show mac address-table address command 344
show mac address-table aging time command 346
show mac address-table command 342
show mac address-table count command 348
show mac address-table dynamic command 350
show mac address-table interface command 352
show mac address-table notification command 354
show mac address-table static command 356
show mac address-table vlan command 358
show monitor command 360
show mvr command 362
show mvr interface command 364
show mvr members command 366
show pagp command 368
show parser macro command 370
show platform acl command 2
show platform configuration command 3
show platform dl command 4
show platform etherchannel command 5
show platform forward command 6
show platform igmp snooping command 8
show platform layer4op command 10, 32
show platform mac-address-table command 11
show platform messaging command 12
show platform monitor command 13
show platform mvr table command 14
show platform pm command 15
show platform policer cpu command 16
show platform port-asic command 19
show platform port-security command 24
show platform qos command 25
show platform resource-manager command 28
show platform snmp counters command 30
show platform spanning-tree synchronization command 31
show platform stp-instance command 33
show platform tcam command 34
show platform vlan command 37
show policer aggregate command 372
show policer cpu uni-eni command 373
show policy-map command 376
show policy-map interface output fields 379
show port security command 380
show port-type command 383
show sdm prefer command 385
show spanning-tree command 386
show storm-control command 392
show system mtu command 394
show udld command 397
show version command 399
show vlan access-map command 405
show vlan command 401
show vlan command, fields 403
show vlan filter command 406
show vmps command 407
shutdown command 409
shutdown vlan command 410
small violation-rate command 411
SNMP host, specifying 416
SNMP informs, enabling the sending of 413
snmp-server enable traps command 413
snmp-server host command 416
snmp trap mac-notification command 420
SNMP traps
enabling MAC address notification trap 420
enabling the MAC address notification feature 165
enabling the sending of 413
software images
deleting 55
downloading 7
upgrading 7
uploading 13
software version, displaying 399
source ports, MVR 197
SPAN
configuring 190
debug messages, display 11
displaying 360
filter SPAN traffic 190
sessions
add interfaces to 190
displaying 360
start new 190
spanning-tree bpdufilter command 422, 424
spanning-tree bpduguard command 426
spanning-tree cost command 428
spanning-tree etherchannel command 430
spanning-tree extend system-id command 432
spanning-tree guard command 434
spanning-tree link-type command 436
spanning-tree loopguard default command 438
spanning-tree mode command 440
spanning-tree mst configuration command 442
spanning-tree mst cost command 444
spanning-tree mst forward-time command 446
spanning-tree mst hello-time command 447
spanning-tree mst max-age command 449
spanning-tree mst max-hops command 451
spanning-tree mst port-priority command 453
spanning-tree mst pre-standard command 455
spanning-tree mst priority command 456
spanning-tree mst root command 458
spanning-tree portfast (global configuration) command 462
spanning-tree portfast (interface configuration) command 465
spanning-tree port-priority command 460
Spanning Tree Protocol
See STP
spanning-tree vlan command 467
speed command 470
SSH, configuring version 150
static-access ports, configuring 477
statistics, Ethernet group 241
sticky learning, enabling 487
storm-control command 472
STP
counters, clearing 47
debug messages, display
MSTP 55
optimized BPDUs handling 54
spanning-tree activity 51
switch shim 57
transmitted and received BPDUs 53
enabling on ENIs 422
EtherChannel misconfiguration 430
extended system ID 432
path cost 428
protocol modes 440
root port
loop guard 434
preventing from becoming designated 434
restricting which can be root 434
root guard 434
STP (continued)
root switch
affects of extended system ID 432, 468
hello-time 467
interval between BDPU messages 467
interval between hello BPDU messages 467
max-age 467
port priority for selection of 460
primary or secondary 467
switch priority 467
state changes
blocking to forwarding state 465
enabling BPDU filtering 424, 462
enabling BPDU guard 426, 462
enabling Port Fast 462, 465
enabling timer to recover from error state 83
forward-delay time 467
length of listening and learning states 467
shutting down Port Fast-enabled ports 462
state information display 386
VLAN options 456, 467
Switched Port Analyzer
See SPAN
switching characteristics
modifying 475
returning to interfaces 475
switchport access command 477
switchport block command 479
switchport command 475
switchport host command 481
switchport mode command 482
switchport mode private-vlan command 484
switchport port-security aging command 491
switchport port-security command 487
switchport private-vlan command 493
switchport protected command 495
switchports, displaying 301
switchport trunk command 497
system message logging, save message to flash 158
system mtu command 499
T
table-map command 501
table-map configuration mode 501
table maps
configuring 501
displaying 395
QoS 501
tar files, creating, listing, and extracting 10
TDR, running 503
temperature information, displaying 287
temperature status, displaying 287
test cable-diagnostics tdr command 503
traceroute mac command 505
traceroute mac ip command 508
traffic shaping, QoS 259
trunking, VLAN mode 482
trunk mode 482
trunk ports 482
type (boot loader) command 22
U
UDLD
aggressive mode 510, 512
debug messages, display 63
enable globally 510
enable per interface 512
error recovery timer 83
message timer 510
normal mode 510, 512
reset a shutdown interface 514
status 397
udld command 510
udld port command 512
udld reset command 514
unicast storm control 472
UniDirectional Link Detection
See UDLD
uni-vlan command 515
unknown multicast traffic, preventing 479
unknown unicast traffic, preventing 479
unset (boot loader) command 23
upgrading
software images 7
monitoring status of 264
user EXEC mode 2
user network interface 226
V
version (boot loader) command 25
vlan access-map command 520
VLAN access map configuration mode 520
VLAN access maps
actions 5
displaying 405
vlan command 517
VLAN configuration mode
commands 517
description 4
entering 517
summary 2
vlan filter command 522
VLAN filters, displaying 406
VLAN ID range 517
VLAN maps
applying 522
creating 520
defining 178
displaying 405
VLAN Query Protocol
See VQP
VLANs
adding 517
configuring 517
debug messages, display
activation of 61
VLAN IOS file system error tests 60
VLAN manager activity 59
displaying configurations 401
extended-range 517
MAC addresses
displaying 358
number of 348
normal-range 517
private 484
configuring 231
displaying 401
See also private VLANs
restarting 410
saving the configuration 517
shutting down 410
suspending 410
VMPS
configuring servers 527
displaying 407
error recovery timer 83
reconfirming dynamic VLAN assignments 524
vmps reconfirm (global configuration) command 525
vmps reconfirm (privileged EXEC) command 524
vmps retry command 526
vmps server command 527
VQP
and dynamic-access ports 478
clearing client statistics 50
displaying information 407
per-server retry count 526
reconfirmation interval 525
reconfirming dynamic VLAN assignments 524
W
Weighted Tail Drop
See WTD
WTD, queue-limit command 234