- Quick Links to Catalyst 4500 Series Switch Cisco IOS Commands
- Index
- Preface
- Command-Line Interface
- aaa accounting dot1x default start-stop group radius through instance
- interface port-channel through shape
- show access-group mode interface through show vtp
- snmp ifindex clear through vtp v2-mode
- Acronymns
- Acknowledgements for Open-Source Software
Symbols -
Numerics -
A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
L -
M -
N -
O -
P -
Q -
R -
S -
T -
U -
V -
Index
Symbols
$ matches the end of a string 7
( ) in commands 10
* matches 0 or more sequences of a pattern 7
+ matches 1 or more sequences of a pattern 7
. matches any single character 7
? command 1
? matches 0 or 1 occurrence of a pattern 7
^ matches the beginning of a string 7
_ matches a comma (,), left brace ({), left parenthesis 7
" 10
Numerics
10-Gigabit Ethernet uplink
selecting 114
showing the mode 320
802.1Q trunk ports and native VLANs 569
802.1Q tunnel ports
configuring 526
802.1S Multiple Spanning Tree
802.1X
configuring for multiple hosts 88
configuring for single host 88
configuring multiple domains 88
802.1X Port Based Authentication
debugging 802.1X Port Based Authentication 50
displaying port based authentication 306
enabling accounting for authentication sessions 3
enabling authentication on the system 97
enabling guest VLAN 86
enabling guest VLAN supplicant 84, 87
enabling manual control of auth state 93
enabling periodic re-authentication of the client 96
initializing re-authentication of dot1x ports 95
initializing state machines 90
receive session termination message upon reboot 4
setting maximum number for EAP requests 92
setting the reauthentication timer 98
A
abbreviating commands
context-sensitive help 1
Access Gateway Module
connecting to a module 11
connecting to a remote module 265
connecting to a specific remote module 273
access-group
displaying mac interface 393
show mode interface 277
access groups
IP 5
access lists
clearing an access template 27
defining ARP 10
displaying ARP information 280
See also ACLs, MAC ACLs, and VACLs
access maps
applying with VLAN filter 570
ACLs
access-group mode 5
determining ACL hardware programming 6
displaying mac access-group interface 393
using ACL naming conventions for MAC ACLs 187
action clause
specifying drop or forward action in a VACL 8
addresses, configuring a maximum 235
adjacency
debugging the adjacency table 44
disabling the debug facility 44
displaying information about the adjacency table 278
displaying IPC table entries 44
aggregate policer
displaying information 432
aging time
displaying MAC address aging time 396
MAC address table 190
alarms
displaying operational status 309
alternation
description 9
anchoring
description 10
ARP
access list, displaying detailed information 280
defining access-lists 10
ARP inspection
enforce certain types of checking 132
ARP packet
deny based on DHCP bindings 80
permit based on DHCP bindings 221
authentication
setting username 560
using an MD5-type encryption method 560
verifying MD5 signature 561
verifying the checksum for Flash memory 561
auth fail VLAN
enable on a port 85
set max number of attempts 84
authorization state
enabling manual control 93
authorization state of a controlled port 93
automatic installation
displaying status 281
auto-negotiate interface speed
example 517
auto-QoS
configuring for VoIP 12
displaying configuration 282
B
baby giants
displaying the system MTU setting 457
setting the maximum Layer 2 payload size 543
BackboneFast
displaying debugging messages 69
displaying spanning tree status 448
enabling debugging 69
bindings
store for DHCP snooping 141
BOOT environment variable
displaying information 286
bootflash
displaying information 284
BPDUs
debugging spanning tree activities 68
bridge protocol data units
broadcast suppression level
C
cable diagnostics
TDR
displaying test results 287
testing conditions of copper cables 544
Catalyst 4507R 231
power redundancy mode 236
CDP
configuring tunneling encapsulation rate 177
displaying
neighbor information 289
enabling protocol tunneling for 173
set drop threshold for 175
CEF
displaying next-hop information 353
displaying VLAN configuration information 353
cisco-desktop
macro apply 196
Cisco Express Forwarding
cisco-phone
macro apply 198
cisco-router
macro apply 200
cisco-switch
macro apply 202
clear commands
clearing Gigabit Ethernet interfaces 25
clearing IGMP group cache entries 32
clearing interface counters 22
clearing IP access lists 27, 28
clearing IP ARP inspection statistics VLAN 29
clearing IP DHCP snooping database 30
clearing IP DHCP snooping database statistics 31
clearing MFIB counters and routes 35
clearing MFIB fastdrop entries 36
clearing PAgP channel information 39
clearing QoS aggregate counters 41
clearing VLAN interfaces 26
CLI string search
anchoring 10
expressions 7
filtering 6
multiple-character patterns 8
multipliers 9
parentheses for recall 10
searching outputs 6
single-character patterns 7
using 6
command modes
accessing privileged EXEC mode 4
exiting 4
understanding user EXEC and configuration modes 4
condition interface
debugging interface-related activities 46
condition vlan
debugging VLAN output 49
configuration, saving 11
configuring
root as secondary 501
configuring a SPAN session to monitor
limit SPAN source traffic 213
configuring forward delay 497
configuring root as primary 501
CoS
assigning to Layer 2 protocol packets 174
CoS QoS default
defining value on an interface 249
Cost of Service
counters
clearing interface counters 22
D
DAI
clear statistics 29
DBL
displaying qos dbl 433
enabling DBL globally on the switch 250
debug commands
debugging backup events 45
debugging DHCP snooping events 55
debugging DHCP snooping messages 56
debugging EtherChannel/PAgP/shim 51
debugging IPC activity 54
debugging IP DHCP snooping security messages 57
debugging NVRAM activities 60
debugging PAgP activities 61
debugging port manager activities 64
debugging software MAC filter updates 67
debugging spanning tree activities 68
debugging spanning tree backbonefast 69
debugging spanning tree UplinkFast 72
debugging supervisor redundancy 66
debugging VLAN manager activities 73
displaying monitor activity 59
displaying the adjacency table 44
enabling debug dot1x 50
enabling debugging messages for ISL VLAN IDs 75
enabling debugging messages for VTP 76
enabling debugging of UDLD activity 77
enabling switch shim debugging 70
enabling VLAN manager file system error tests 74
limiting debugging output for VLANs 49
limiting interface debugging output 46
limiting output for debugging standby state changes 47
shortcut to the debug condition interface 53
debugging
activity monitoring 59
DHCP snooping events 55
DHCP snooping packets 56
IPC activities 54
IP DHCP snooping security packets 57
NVRAM activities 60
PAgP activities 61
PAgP shim 51
PM activities 64
SMF address insertions and deletions 67
spanning tree BackboneFast events 69
spanning tree switch shim 70
spanning tree UplinkFast events 72
VLAN manager activities 73
VLAN manager IOS file system error tests 74
VTP protocol debug messages 76
debug spanning tree switch 70
debug sw-vlan vtp 76
default CoS value 249
default form of a command, using 6
defining egress DSCP-to-CoS mapping 255
DHCP
clearing database statistics 31
DHCP bindings
configuring bindings 140
deny ARP packet based on matches 80
permit ARP packet based on matches 221
DHCP snooping
clearing database 30
displaying binding table 355
displaying configuration information 354
displaying status of DHCP database 358
displaying status of error detection 312
enabling DHCP globally 139
enabling IP source guard 171
enabling on a VLAN 147
enabling rate limiting on an interface 145
enabling trust on an interface 146
establishing binding configuration 140
renew binding database 267
store generated bindings 141
diagnostic test
bootup packet memory 300
displaying attributes 294
display module-based results 296
running 83
show results for TDR 287
testing conditions of copper cables 544
displaying error disable recovery 313
displaying inline power status 424
displaying monitoring activity 59
displaying SEEPROM information
GBIC 321
displaying SPAN session information 456, 519
document conventions 16
document organization 15
DOS attack
protecting system's resources 127
drop threshold, Layer 2 protocol tunneling 175
DSCP rewrite for IP packets
enable 258
dual-capable port
selecting a connector 210
duplex mode
configuring autonegotiation on an interface 100
configuring full duplex on an interface 100
configuring half duplex on an interface 100
dynamic ARP inspection
preventing 127
Dynamic Buffer Limiting
Dynamic Host Configuration Protocol
E
EAP
restarting authentication process 92
enabling
debugging for UDLD 77
voice VLANs 521
environmental
alarms 309
displaying information 309
status 309
temperature 309
erase a file 102
error disable detection
enabling error disable detection 105
error-disabled state
displaying 339
error disable recovery
configuring recovery mechanism variables 107
displaying recovery timer information 313
enabling ARP inspection timeout 107
specifying recovery cause 107
EtherChannel
assigning interfaces to EtherChannel groups 16
debugging EtherChannel 51
debugging PAgP shim 51
debugging spanning tree activities 68
displaying information for a channel 314
removing interfaces from EtherChannel groups 16
EtherChannel guard
detecting STP misconfiguration 488
Explicit Host Tracking
clearing the database 34
enabling per-VLAN 158
expressions
matching multiple expression occurrences 9
multiple-character patterns 8
multiplying pattern occurrence 10
single-character patterns 7
Extensible Authentication Protocol
F
field replaceable unit (FRU)
displaying status information 309
Flash memory file system
displaying file system information 284
verifying checksum 561
flow control
configuring a gigabit interface for pause frames 110
displaying per-interface statistics for flow control 318
G
GBIC
displaying SEEPROM information 321
Gigabit Ethernet interface
clearing the hardware logic 25
Gigabit Ethernet uplink
selecting 114
showing the mode 320
global configuration mode
using 5
H
hardware module
resetting a module by toggling the power 113
hardware uplink
selecting the mode 114
showing the mode 320
helper addresses, IP 372
hot standby protocol
debugging 47
disabling debugging 47
limiting output 47
I
IDPROMs
displaying SEEPROM information
chassis 321
clock module 321
fan trays 321
module 321
mux buffer 321
power supplies 321
supervisor engine 321
ifIndex persistence
clearing SNMP ifIndex commands 477
compress SNMP ifIndex table format 482
disabling globally 481
disabling on an interface 478
enabling globally 481
enabling on an interface 478
IGMP
applying filters for host joining on Layer 2 interfaces 149
clearing IGMP group cache entries 32
configuring frequency for IGMP host-query messages 152
creating an IGMP profile 151
displaying IGMP interface configuration information 360
displaying profiles 362
setting maximum group numbers 150
IGMP profiles
displaying 362
IGMP snooping
clearing the EHT database 34
configuring a Layer 2 interface as a group member 162
configuring a Layer 2 interface as a multicast router 160
configuring a static VLAN interface 162
displaying multicast information 369
displaying VLAN information 363, 367, 370
enabling 153
enabling immediate-leave processing 159
enabling on a VLAN 157
enabling per-VLAN Explicit Host Tracking 158
informs
enabling 479
inline power
displaying inline power status 424
inspection log
clearing log buffer 28
interface
displaying suppressed multicast bytes 333
interface capabilities
displaying 330
interface configuration mode
summary 5
interface link
display cable disconnect time 336
interfaces
configuring dot1q tunnel ports 526
creating an interface-range macro 79
debugging output of interface related activities 46
displaying description 335
displaying error-disabled state 339
displaying information when tunneling is enabled 387
displaying status 335
displaying traffic for a specific interface 327
entering interface configuration mode 119
executing a command on multiple ports in a range 122
selecting an interface to configure 119
setting a CoS value for Layer 2 packets 174
setting drop threshold for Layer 2 packets 175
setting the interface type 526
interface speed
configuring interface speed 515
interface transceiver
displaying diagnostic data 342
internal VLAN allocation
configuring 571
default setting 571
displaying allocation information 468
Internet Group Management Protocol
IP ARP
applying ARP ACL to VLAN 125
clearing inspection statistics 29
clearing status of log buffer 28
controlling packet logging 135
enabling dynamic inspection 134
limit rate of incoming requests 127
set per-port config trust state 131
showing status of dynamic ARP inspection 349
showing status of log buffer 352
IPC
debugging IPC activities 54
IP DHCP Snooping
IP header validation
disabling 170
enabling 170
IP interfaces
displaying usability status 371
IP multicast
displaying multicast routing table information 377
IP packets
enable DSCP rewrite 258
IP phone and standard desktop
enabling Cisco-recommended features 198
IP source binding
adding or deleting 167
displaying bindingstagging 382
IP source guard
debugging messages 57
displaying configuration and filters 383
enabling on DHCP snooping 171
J
Jumbo frames
enabling jumbo frames 217
L
LACP
deselecting channeling protocol 18
enabling LACP on an interface 18
setting channeling protocol 18
Layer 2
displaying ACL configuration 393
Layer 2 interface type
specifying a nontrunking, nontagged single VLAN interface 526
specifying a trunking VLAN interface 526
Layer 2 protocol ports
displaying 387
Layer 2 protocol tunneling error recovery 177
Layer 2 switching
enabling voice VLANs 521
modifying switching characteristics 521
Layer 2 traceroute
IP addresses 549
Layer 3 switching
displaying information about an adjacency table 278
displaying port status 340
displaying status of native VLAN tagging 340
link-status event messages
disabling
enabling
log buffer
show status 352
logging
controlling IP ARP packets 135
M
MAC Access Control Lists
MAC ACLs
defining extended MAC access list 187
displaying MAC ACL information 465
naming an ACL 187
MAC address filtering
configuring 194
disabling 194
enabling 194
MAC address table
adding static entries 204
clearing dynamic entries 38
configuring aging time 190
displaying dynamic table entry information 398
displaying entry count 397
displaying information 394
displaying interface-based information 400
displaying multicast information 402
displaying protocol-based information 404
displaying static table entry information 406
displaying the MAC address aging time 396
displaying VLAN-based information 408
learning in the protocol buckets 191
removing static entries 204
MAC address tables
adding static entries 194
deleting secure or specific addresses 40
disabling IGMP snooping on static MAC addresses 194
removing static entries 194
mac-address-table static 194
MAC address unicast filtering
dropping unicast traffic 194
macro keywords
help strings 2
mapping secondary VLANs to MST instance 241
mapping VLAN(s) to an MST instance 116
match subcommand
accessing 20
maximum transmission unit (MTU)
displaying the system MTU setting 457
setting the maximum Layer 2 payload size 543
MD5
verifying MD5 signature 561
message digest 5
MFIB
clearing ip mfib counters 35
clearing ip mfib fastdrop 36
displaying all active MFIB routes 374
displaying MFIB fastdrop table entries 376
enabling IP MFIB fastdrops 164
modes
access-group 5
show access-group interface 277
switching between PVST+, MST, and Rapid PVST 493
module password clearing 24
module reset
resetting a module by toggling the power 113
--More-- prompt
filter 6
search 7
MST
designating the primary and secondary root 501
displaying MST protocol information 452
displaying region configuration information 452
displaying spanning tree information 452
entering MST configuration submode 495
setting configuration revision number 269
setting path cost and port priority for instances 494
setting the forward delay timer for all instances 497
setting the hello-time delay timer for all instances 498
setting the max-age timer for all instances 499
setting the MST region name 218
specifying the maximum number of hops 500
switching between PVST+ and Rapid PVST 493
using the MST configuration submode revision command 269
using the submode name command 218
MTU
displaying global MTU settings 457
multicast
enabling storm control 520
multicast/unicast packets
prevent forwarding 525
Multicast Forwarding Information Base
multiple-character patterns 8
Multiple Spanning Tree
N
native VLAN
controlling tagging of traffic 539
displaying ports eligible for native tagging 467
displaying ports eligible for tagging 467
enabling tagging on 802.1Q trunk ports 569
specifing the tagging of traffic 540
NetFlow
enabling NetFlow statistics 165
including infer fields in routing statistics 165
next-hop
displaying CEF VLAN information 353
no form of a command, using 6
NVRAM
debugging NVRAM activities 60
O
output
pattern searches 7
P
packet forwarding
prevent unknown packets 525
packet memory failure
direct switch action upon detection 82
packet memory test
bootup, displaying results 300, 302
ongoing, displaying results 304
PACL
access-group mode 5
paging prompt
PAgP
clearing port channel information 39
debugging PAgP activity 61
deselecting channeling protocol 18
displaying port channel information 414
hot standby mode
returning to defaults 220
selecting ports 220
input interface of incoming packets
learning 219
returning to defaults 219
setting channeling protocol 18
parentheses 10
password
clearing on an intelligent line module 24
establishing enhanced password security 560
setting username 560
PBR
PM activities
debugging 64
disabling debugging 64
Policy Based Routing
port, dual-capable
selecting the connector 210
Port Aggregation Protocol
port-based authentication
displaying debug messages 50
displaying statistics and status 306
enabling 802.1X 93
host modes 88
manual control of authorization state 93
periodic re-authentication
enabling 96
re-authenticating 802.1X-enabled ports 95
switch-to-client frame-retransmission number 92
port channel
accessing 121
creating 121
displaying information 414
load distribution method
resetting to defaults 225
setting 225
port range
executing 122
port security
debugging ports security 65
deleting secure or specific addresses 40
displaying settings for an interface or switch 421
enabling 528
filter source IP and MAC addresses 171
setting action upon security violation 528
setting the rate limit for bad packets 528
sticky port 528
Port Trust Device
displaying 434
power status
displaying inline power 424
displaying power status 424
power supply
configuring combined and redundant power on the Catalyst 4507R 231
configuring inline power 228
configuring power consumption 230
configuring power redundancy on the Catalyst 4507R 236
displaying the SEEPROM 321
setting inline power state 227
Private VLAN
privileged EXEC mode, summary 5
prompts
system 5
protocol tunneling
configuring encapsulation rate 177
disabling 173
displaying port information 387
enabling 173
setting a CoS value for Layer 2 packets 174
setting a drop threshold for Layer 2 packets 175
PVLANs
configuring isolated, primary, and community PVLANs 237
controlling tagging of native VLAN traffic 539
disabling sticky-ARP 168
displaying map information for VLAN SVIs 338
displaying PVLAN information 470
enabling interface configuration mode 526
enabling sticky-ARP 168
mapping VLANs to the same SVI 239
specifying host ports 526
specifying promiscuous ports 526
PVST+
switching between PVST and MST 493
Q
QoS
account Layer 2 encapsulation 244
attaching a policy-map to an interface 270
automatic configuration 12
clearing aggregate counters 41
configuring a QoS policy map 223
configuring auto 12
defining a named aggregate policer 246
defining default CoS value 249
defining ingress CoS-to-DSCP mapping 253
displaying aggregate policer information 432
displaying auto configuration 282
displaying class maps information 292
displaying configuration information 282
displaying configurations of policies 417
displaying policy map information 416, 420
displaying QoS information 431
displaying QoS map information 435
enabling global configuration mode 242
enabling per-VLAN QoS for a Layer 2 interface 261
enabling QoS on an interface 243
mapping DSCP values to transmit queues 255
mapping egress DSCP-to-CoS 255
mapping the DSCP-to-CoS value 255
setting the mapping of policed DSCP values 257
setting the trust state 259
specifying flow-based match criteria 206
QoS CoS
configuring for tunneled Layer 2 protocol packets 174
defining default CoS value 249
qos dbl 250
question command 1
queueing information
displaying 434
R
Rapid PVST
switching between PVST and MST 493
re-authenticating 802.1X-enabled ports 95
re-authentication
periodic 96
set the time 98
reboots
restoring bindings across 140
redundancy
accessing the main CPU 262
changing from active to standby supervisor engine 263
displaying information 437
displaying redundancy facility information 437
displaying RF client list 437
displaying RF operational counters 437
displaying RF states 437
enabling automatic synchronization 15
forcing switchover to standby supervisor engine 263
set the mode 211
synchronizing the route processor configurations 204
related documentation 15
remote SPAN
renew commands
ip dhcp snooping database 267
resetting PVLAN trunk
setting switchport to trunk 526
rj45 connector, selecting the connector 210
ROM monitor mode
summary 6
Route Processor Redundancy
RPR
set the redundancy mode 211
RSPAN
converting VLAN to RSPAN VLAN 266
displaying list 472
S
saving configuration changes 11
secure address, configuring 233
secure ports, limitations 529
set the redundancy mode 211
sfp connector, selecting the connector 210
show commands
filtering parameters 7
searching and filtering 6
show platform commands 11
Simple Network Management Protocol
single-character patterns
special characters 7
slaveslot0
displaying information on the standby supervisor 444
slot0
displaying information about the system 446
SMF
debugging address insertions and deletions 67
SNMP
debugging spanning tree activities 68
ifIndex persistence
clearing SNMP ifIndex commands 477
compress SNMP ifIndex table format 482
disabling globally 481
disabling on an interface 478
enabling globally 481
enabling on an interface 478
informs
disabling 479
enabling 479
traps
configuring to send when storm occurs 518
disabling 479
enabling 479
software MAC filter
SPAN commands
configuring a SPAN session to monitor 213
displaying SPAN session information 456, 519
SPAN enhancements
displaying status 412
Spanning Tree Protocol
SPAN session
displaying session information 412
filter ACLs 213
specify encap type 213
turn off host learning based on ingress packets 213
special characters
anchoring, table 10
SSO 211
standard desktop
enabling Cisco-recommended features 196
standard desktop and Cisco IP phone
enabling Cisco-recommended features 198
sticky address, configuring 234
sticky-ARP
disabling on PVLANs 168
enabling on PVLANs 168
sticky port
deleting 40
enabling security 528
storm control
configuring for action when storm occurs 518
disabling suppression mode 312
displaying settings 455
enabling 518
enabling suppression mode 312
enabling timer to recover from error disable 107
multicast, enabling 520
setting high and low levels 518
setting suppression level 312
STP
configuring link type for a port 491
configuring tunneling encapsulation rate 177
debugging all activities 68
debugging spanning tree activities 68
debugging spanning tree BackboneFast events 69
debugging spanning tree UplinkFast 72
detecting misconfiguration 488
displaying active interfaces only 448
displaying BackboneFast status 448
displaying bridge status and configuration 448
displaying spanning tree debug messages 68
displaying summary of interface information 448
enabling BPDU filtering by default on all PortFast ports 506
enabling BPDU filtering on an interface 484
enabling BPDU guard by default on all PortFast ports 508
enabling BPDU guard on an interface 486
enabling extended system ID 489
enabling loop guard as a default on all ports 492
enabling PortFast by default on all access ports 509
enabling PortFast mode 504
enabling protocol tunneling for 173
enabling root guard 490
enabling spanning tree BackboneFast 483
enabling spanning tree on a per VLAN basis 513
enabling spanning tree UplinkFast 511
setting an interface priority 510
setting drop threshold for 175
setting pathcost 487
setting the default pathcost calculation method 503
subinterface configuration mode, summary 6
SVI
creating a Layer 3 interface on a VLAN 124
switchport 540
switchport interfaces
displaying status of Layer 3 port 340
displaying status of native VLAN tagging 340
switch shim
debugging 70
disabling debugging 70
switch to router connection
enabling Cisco-recommended features 200
switch to switch connection
enabling Cisco-recommended features 202
switch virtual interface
sw-vlan 73
system prompts 5
T
Tab key
command completion 1
tables
characters with special meaning 7
mac access-list extended subcommands 187
match syntax description 21
multipliers 9
relationship between duplex and speed commands 516
show cable-diagnostics tdr command output fields 288
show cdp neighbors detail field descriptions 291
show cdp neighbors field descriptions 290
show ip interface field descriptions 372
show vlan command output fields 471
show vtp command output fields 475
special characters 9
special characters used for anchoring 10
speed command options 206, 515
valid interface types 119
TAC
displaying information useful to TAC 458
TCAM
debugging spanning tree activities 68
TDR
displaying cable diagnostic test results 287
test condition of copper cables 544
temperature readings
displaying information 309
timer information 313
traffic shaping
enable on an interface 274
traps, enabling 479
trunk encapsulation
setting format 540
trunk interfaces
displaying trunk interfaces information 347
trust state
setting 131
tunnel ports
displaying information about Layer 2 protocol 387
TX queues
allocating bandwidth 552
returning to default values 552
setting priority to high 552
specifying burst size 552
specifying traffic rate 552
U
UDLD
displaying administrative and operational status 460
enabling by default on all fiber interfaces 554
enabling on an individual interface 556
preventing a fiber interface from being enabled 556
resetting all shutdown ports 558
setting the message timer 554
Unidirectional Link Detection
unknown multicast traffic, preventing 525
unknown unicast traffic, preventing 525
user EXEC mode, summary 5
username
setting password and privilege level 560
V
VACLs
access-group mode 5
applying VLAN access maps 570
displaying VLAN access map information 465
specifying an action in a VLAN access map 8
specifying the match clause for a VLAN access-map sequence 205
using a VLAN filter 570
VLAN
applying an ARP ACL 125
configuring 563
converting to RSPAN VLAN 266
displaying CEF information 353
displaying CEF next-hop information 353
displaying information on switch interfaces 363, 367
displaying information on VLAN switch interfaces 370
displaying information sorted by group IP address 363, 367
displaying IP address and version information 363, 367
displaying Layer 2 VLAN information 462
displaying statistical information 410
displaying VLAN information 464
enabling dynamic ARP inspection 134
enabling Explicit Host Tracking 158
enabling guest per-port 86
enabling guest VLAN supplicant 84, 87
entering VLAN configuration mode 567
native frames
enabling tagging on all 802.1Q trunk ports 569
pruning the list for VTP 540
setting the list of allowed 540
VLAN Access Control Lists
VLAN access map
VLAN database
resetting 268
VLAN debugging
limiting output 49
VLAN manager
debugging 73
disabling debugging 73
IOS file system error tests
debugging 74
disabling debugging 74
VLAN Query Protocol
VLAN query protocol (VQPC)
debugging 78
VLANs
clearing
counters 42
clearing hardware logic 26
configuring
internal allocation scheme 571
displaying
internal VLAN allocation information 468
RSPAN VLANs 472
entering VLAN configuration mode 567
VMPS
configuring servers 575
reconfirming dynamic VLAN assignments 573
voice VLANs
enabling 521
VoIP
configuring auto-QoS 12
VQP
per-server retry count 574
reconfirming dynamic VLAN assignments 573
VTP
configuring the administrative domain name 579
configuring the device in VTP client mode 578
configuring the device in VTP server mode 582
configuring the device in VTP transparent mode 583
configuring tunnel encapsulation rate 177
creating a VTP domain password 580
displaying domain information 474
displaying statistics information 474
enabling protocol tunneling for 173
enabling pruning in the VLAN database 581
enabling VTP version 2 mode 584
modifying the VTP configuration storage file name 577
set drop threshold for 175
VTP protocol code
activating debug messages 76
deactivating debug messages 76
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