- Quick Links to Catalyst 4500 Series Switch Cisco IOS Commands
- Index
- Preface
- aaa accounting dot1x default start-stop group radius through instance
- interface port-channel through shape
- Command-Line Interface
- show access-group mode interface through show vtp
- snmp ifindex clear through vtp v2-mode
- Acronyms and Abbreviations
Index
Symbols
$ matches the end of a string 1-7
( ) in commands 1-11
* matches 0 or more sequences of a pattern 1-7
+ matches 1 or more sequences of a pattern 1-7
. matches any single character 1-7
? command 1-1
? matches 0 or 1 occurrence of a pattern 1-7
^ matches the beginning of a string 1-7
_ matches a comma (,), left brace ({), left parenthesis 1-7
" 1-10
Numerics
10-Gigabit Ethernet uplink
selecting 2-199
802.1Q trunk ports and native VLANs 2-864
802.1Q tunnel ports
configuring 2-806
802.1S Multiple Spanning Tree
802.1X
configuring for multiple hosts 2-156
configuring for single host 2-156
configuring multiple domains 2-156
disabling port control 2-149
enabling port control 2-149
802.1X Critical Authentication
disabling on a port 2-150
disabling on a VLAN 2-153
EAPOL
disabling send success packets 2-151
enabling send success packets 2-151
enabling on a port 2-150
enabling on a VLAN 2-153
returning delay time to default setting 2-152
setting delay time on a port 2-152
802.1X critical authentication
configure parameters 2-23
802.1X critical recovery delay, configuring 2-23
802.1X Port Based Authentication
debugging 802.1X Port Based Authentication 2-108
displaying port based authentication 2-511
enabling accounting for authentication sessions 2-4
enabling authentication on the system 2-167
enabling guest VLAN 2-154
enabling guest VLAN supplicant 2-147, 2-155
enabling manual control of auth state 2-163
enabling periodic re-authentication of the client 2-166
initializing re-authentication of dot1x ports 2-165
initializing state machines 2-158
receive session termination message upon reboot 2-5
setting maximum number for EAP requests 2-161
setting the reauthentication timer 2-168
A
abbreviating commands
context-sensitive help 1-1
Access Gateway Module
connecting to a module 2-20
connecting to a remote module 2-442
connecting to a specific remote module 2-454
access-group
displaying mac interface 2-638
show mode interface 2-391, 2-473, 2-696
access groups
IP 2-6
access lists
clearing an access template 2-71
defining ARP 2-19
displaying ARP information 2-477
See also ACLs, MAC ACLs, and VACLs
access maps
applying with VLAN filter 2-866
access-node-identifier, setting for the switch 2-389
access-policies, applying using host-mode 2-27
ACLs
access-group mode 2-6
balancing hardware regions 2-12
capturing control packets 2-8
determining ACL hardware programming 2-10
disabling hardware statistics 2-194
displaying mac access-group interface 2-638
enabling hardware statisctics 2-194
using ACL naming conventions for MAC ACLs 2-306
action clause
specifying drop or forward action in a VACL 2-13
addresses, configuring a maximum 2-385
adjacency
debugging the adjacency table 2-101
disabling the debug facility 2-101
displaying information about the adjacency table 2-474
displaying IPC table entries 2-101
aggregate policer
displaying information 2-697
aging time
displaying MAC address aging time 2-641
MAC address table 2-309
alarms
displaying operational status 2-519
alternation
description 1-10
anchoring
description 1-10
ancp, show multicast 2-476
ANCP client
port identifier 2-14
remote server 2-15
set router to become 2-16
ARP
access list, displaying detailed information 2-477
defining access-lists 2-19
ARP inspection
enforce certain types of checking 2-216
ARP packet
deny based on DHCP bindings 2-143
permit based on DHCP bindings 2-358
changing the control-direction 2-21
configure actions for events
configuring the actions 2-24
configuring port-control 2-33
enabling reauthentication 2-32
enabling Webauth fallback 2-26
host-mode configuration 2-27
setting priority of methods 2-35
setting the timer 2-37
setting username 2-851
specifying the order of methods 2-30
using an MD5-type encryption method 2-851
verifying MD5 signature 2-853
verifying the checksum for Flash memory 2-853
authentication control-direction command 2-21
authentication critical recovery delay command 2-23
authentication event command 2-24
authentication fallback command 2-26
authentication host-mode 2-27
authentication methods, setting priority 2-35
authentication methods, specifying the order of attempts 2-30
authentication open command 2-29
authentication order command 2-30
authentication periodic command 2-32
authentication port-control command 2-33
authentication priority command 2-35
authentication timer, setting 2-37
authentication timer command 2-37
auth fail VLAN
enable on a port 2-148
set max number of attempts 2-147
Auth Manager
configuring
authentication timer 2-37
authorization state
enabling manual control 2-163
authorization state of a controlled port 2-163
automatic installation
displaying status 2-482
automatic medium-dependent interface crossover
Auto-MDIX
disabling 2-338
enabling 2-338
auto-negotiate interface speed
example 2-795
auto-QoS
configuring for VoIP 2-39
displaying configuration 2-483
B
baby giants
displaying the system MTU setting 2-728
setting the maximum Layer 2 payload size 2-831
BackboneFast
displaying debugging messages 2-130
displaying spanning tree status 2-718
enabling debugging 2-130
bandwidth command 2-43
bindings
store for DHCP snooping 2-228
BOOT environment variable
displaying information 2-486
bootflash
displaying information 2-484
BPDUs
debugging spanning tree activities 2-128
bridge protocol data units
broadcast
counters 2-98
broadcast suppression level
C
cable diagnostics
TDR
displaying test results 2-487
testing conditions of copper cables 2-833
call home
displaying information 2-489
e-mailing output 2-51
entering configuration submode 2-46
executing 2-51
manually send test message 2-54
receiving information 2-49
sending alert group message 2-52
submitting information 2-49
call home destination profiles
displaying 2-491
Catalyst 4507R 2-381
CDP
configuring tunneling encapsulation rate 2-296
displaying
neighbor information 2-494
enabling protocol tunneling for 2-291
set drop threshold for 2-294
CEF
displaying next-hop information 2-568
displaying VLAN configuration information 2-568
chassis
displaying
chassis MAC address ranges 2-635
current and peak traffic meter readings 2-635
percentage of backplane utilization 2-635
switching clock failure recovery mode 2-635
circuit-id
setting for an interface 2-396
circuit-id, setting for an interface VLAN range 2-398
cisco-desktop
macro apply 2-316
Cisco Express Forwarding
cisco-phone
macro apply 2-318
cisco-router
macro apply 2-320
cisco-switch
macro apply 2-322
class maps
creating 2-62
defining the match criteria 2-331
clear commands
clearing Gigabit Ethernet interfaces 2-69
clearing IGMP group cache entries 2-78
clearing interface counters 2-64
clearing IP access lists 2-71, 2-72
clearing IP ARP inspection statistics VLAN 2-73
clearing IP DHCP snooping database statistics 2-77
clearing MFIB counters and routes 2-81
clearing MFIB fastdrop entries 2-82
clearing PAgP channel information 2-88
clearing QoS aggregate counters 2-92
clearing VLAN interfaces 2-70
clear energywise neighbors command 2-66
clear nmsp statistics command 2-87
CLI string search
anchoring 1-10
expressions 1-7
filtering 1-6
multiple-character patterns 1-8
multipliers 1-9
parentheses for recall 1-11
searching outputs 1-6
single-character patterns 1-7
using 1-6
command modes
accessing privileged EXEC mode 1-5
exiting 1-5
understanding user EXEC and configuration modes 1-5
condition interface
debugging interface-related activities 2-103
condition vlan
debugging VLAN output 2-106
configuration, saving 1-11
configuring
root as secondary 2-779
configuring a SPAN session to monitor
limit SPAN source traffic 2-343
configuring critical recovery 2-23
configuring forward delay 2-775
configuring root as primary 2-779
CoPP
attaching
policy map to control plane 2-452
displaying
policy-map class information 2-670
entering configuration mode 2-96
removing
service policy from control plane 2-452
CoS
assigning to Layer 2 protocol packets 2-293
CoS QoS default
defining value on an interface 2-418
Cost of Service
counters
clearing interface counters 2-64
critical authentication, configure 802.1X parameters 2-23
critical recovery, configuring 802.1X parameter 2-23
D
DAI
clear statistics 2-73
DBL
displaying qos dbl 2-698
enabling DBL globally on the switch 2-419
debug commands
debugging backup events 2-102
debugging DHCP snooping events 2-113
debugging DHCP snooping messages 2-114
debugging EtherChannel/PAgP/shim 2-109
debugging IPC activity 2-112
debugging IP DHCP snooping security messages 2-115
debugging NVRAM activities 2-119
debugging PAgP activities 2-120
debugging port manager activities 2-123
debugging spanning tree activities 2-128
debugging spanning tree backbonefast 2-130
debugging spanning tree UplinkFast 2-133
debugging supervisor redundancy 2-127
debugging VLAN manager activities 2-134
displaying monitor activity 2-117
displaying the adjacency table 2-101
enabling debug dot1x 2-108
enabling debugging messages for ISL VLAN IDs 2-137
enabling debugging messages for VTP 2-138
enabling debugging of UDLD activity 2-139
enabling switch shim debugging 2-131
enabling VLAN manager file system error tests 2-135
limiting debugging output for VLANs 2-106
limiting interface debugging output 2-103
limiting output for debugging standby state changes 2-104
shortcut to the debug condition interface 2-111
debugging
activity monitoring 2-117
DHCP snooping events 2-113
DHCP snooping packets 2-114
IPC activities 2-112
IP DHCP snooping security packets 2-115
NVRAM activities 2-119
PAgP activities 2-120
PAgP shim 2-109
PM activities 2-123
PPPoE Intermediate Agent 2-125
spanning tree BackboneFast events 2-130
spanning tree switch shim 2-131
spanning tree UplinkFast events 2-133
VLAN manager activities 2-134
VLAN manager IOS file system error tests 2-135
VTP protocol debug messages 2-138
debug nmsp command 2-118
debug spanning tree switch 2-131
debug sw-vlan vtp 2-138
default CoS value 2-418
default form of a command, using 1-6
defining egress DSCP-to-CoS mapping 2-425
DHCP
clearing database statistics 2-77
DHCP bindings
configuring bindings 2-226
deny ARP packet based on matches 2-143
permit ARP packet based on matches 2-358
DHCP snooping
clearing binding entries 2-74
clearing database 2-76
displaying binding table 2-571
displaying configuration information 2-569
displaying status of DHCP database 2-574
displaying status of error detection 2-522
enabling DHCP globally 2-225
enabling IP source guard 2-265
enabling on a VLAN 2-235
enabling option 82 2-230, 2-232
enabling option-82 2-237
enabling rate limiting on an interface 2-233
enabling trust on an interface 2-234
establishing binding configuration 2-226
renew binding database 2-444
store generated bindings 2-228
diagnostic test
bootup packet memory 2-505
displaying attributes 2-499
display module-based results 2-501
running 2-146
show results for TDR 2-487
testing conditions of copper cables 2-833
displaying error disable recovery 2-523
displaying inline power status 2-685
displaying monitoring activity 2-117
displaying PoE policing and monitoring status 2-693
displaying SEEPROM information
GBIC 2-533
displaying SPAN session information 2-727, 2-797
document conventions 1-xx
document organization 1-xix
DoS
CoPP
attaching policy map to control plane 2-452
displaying policy-map class information 2-670
entering configuration mode 2-96
removing service policy from control plane 2-452
entering
CoPP configuration mode 2-96
DOS attack
protecting system's resources 2-211
drop threshold, Layer 2 protocol tunneling 2-294
DSCP rewrite for IP packets
enable 2-429
dual-capable port
selecting a connector 2-340
duplex mode
configuring autonegotiation on an interface 2-170
configuring full duplex on an interface 2-170
configuring half duplex on an interface 2-170
dynamic ARP inspection
preventing 2-211
Dynamic Buffer Limiting
Dynamic Host Configuration Protocol
E
EAP
restarting authentication process 2-161
EIGRP (Enhanced IGRP)
filters
routing updates, preventing 2-355
enabling
debugging for UDLD 2-139
voice VLANs 2-799
enabling open access 2-29
EnergyWise
display power information through queries 2-179
display setting, status of entity and PoE ports 2-515
on an entity
enable, assign to domain, and set password 2-177
on an entity, enable and configure 2-172
on a PoE port
configuring on PoE port 2-174
energywise (global configuration) command 2-172, 2-174
energywise domain command 2-177
EnergyWise neighbor table, deleting 2-66
energywise query command 2-179
environmental
alarms 2-519
displaying information 2-519
status 2-519
temperature 2-519
erase a file 2-183
error disable detection
clearing error disable on an interface 2-67
enabling error disable detection 2-67, 2-186
enabling per-VLAN on BPDU guard 2-186
error-disabled state
displaying 2-552
error disable recovery
configuring recovery mechanism variables 2-188
displaying recovery timer information 2-523
enabling ARP inspection timeout 2-188
specifying recovery cause 2-188
EtherChannel
assigning interfaces to EtherChannel groups 2-55
debugging EtherChannel 2-109
debugging PAgP shim 2-109
debugging spanning tree activities 2-128
displaying information for a channel 2-525
removing interfaces from EtherChannel groups 2-55
EtherChannel guard
detecting STP misconfiguration 2-765
Explicit Host Tracking
clearing the database 2-80
enabling per-VLAN 2-249
expressions
matching multiple expression occurrences 1-9
multiple-character patterns 1-8
multiplying pattern occurrence 1-11
single-character patterns 1-7
Extensible Authentication Protocol
F
fallback profile, specifying 2-26
field replaceable unit (FRU)
displaying status information 2-519
filters
EIGRP
routing updates, preventing 2-355
Flash memory file system
displaying file system information 2-484
verifying checksum 2-853
flow control
configuring a gigabit interface for pause frames 2-191
displaying per-interface statistics for flow control 2-529
G
GBIC
displaying SEEPROM information 2-533
generic-error-message, setting for the switch 2-389
Gigabit Ethernet interface
clearing the hardware logic 2-69
Gigabit Ethernet uplink
selecting 2-199
global configuration mode
using 1-5
H
hardware module
resetting a module by toggling the power 2-196
hardware statistics
disabling 2-194
enabling 2-194
hardware uplink
changing the mode 2-197
selecting the mode 2-199
helper addresses, IP 2-589
hot standby protocol
debugging 2-104
disabling debugging 2-104
limiting output 2-104
I
identifier-string, setting for the switch 2-389
ID mapping, creating an ANCP client 2-14
IDPROMs
displaying SEEPROM information
chassis 2-533
clock module 2-533
fan trays 2-533
module 2-533
mux buffer 2-533
power supplies 2-533
supervisor engine 2-533
ifIndex persistence
clearing SNMP ifIndex commands 2-751
compress SNMP ifIndex table format 2-758
disabling globally 2-757
disabling on an interface 2-753
enabling globally 2-757
enabling on an interface 2-753
IGMP
applying filters for host joining on Layer 2 interfaces 2-239
clearing IGMP group cache entries 2-78
configuring frequency for IGMP host-query messages 2-242
creating an IGMP profile 2-241
displaying IGMP interface configuration information 2-576
displaying profiles 2-578
setting maximum group numbers 2-240
IGMP profiles
displaying 2-578
IGMP snooping
clearing the EHT database 2-80
configuring a Layer 2 interface as a group member 2-255
configuring a Layer 2 interface as a multicast router 2-253
configuring a static VLAN interface 2-255
displaying multicast information 2-585
displaying VLAN information 2-579, 2-583, 2-586
enabling 2-244
enabling immediate-leave processing 2-251
enabling on a VLAN 2-248
enabling per-VLAN Explicit Host Tracking 2-249
informs
enabling 2-755
inline power
displaying inline power status 2-685
In Service Software Upgrade
inspection log
clearing log buffer 2-72
interface
displaying suppressed multicast bytes 2-546
interface capabilities
displaying 2-542
interface configuration mode
summary 1-5
interface link
display cable disconnect time 2-549
interfaces
configuring dot1q tunnel ports 2-806
creating an interface-range macro 2-142
debugging output of interface related activities 2-103
displaying description 2-548
displaying error-disabled state 2-552
displaying information when tunneling is enabled 2-629
displaying status 2-548
displaying traffic for a specific interface 2-539
entering interface configuration mode 2-203
executing a command on multiple ports in a range 2-206
selecting an interface to configure 2-203
setting a CoS value for Layer 2 packets 2-293
setting drop threshold for Layer 2 packets 2-294
setting the interface type 2-806
interface speed
configuring interface speed 2-793
interface transceiver
displaying diagnostic data 2-556
internal VLAN allocation
configuring 2-867
default setting 2-867
displaying allocation information 2-740
Internet Group Management Protocol
IP address of remote ANCP server, setting 2-15
IP ARP
applying ARP ACL to VLAN 2-209
clearing inspection statistics 2-73
clearing status of log buffer 2-72
controlling packet logging 2-220
enabling dynamic inspection 2-218
limit rate of incoming requests 2-211
set per-port config trust state 2-215
showing status of dynamic ARP inspection 2-563
showing status of log buffer 2-566
IPC
debugging IPC activities 2-112
IP DHCP Snooping
IP header validation
disabling 2-264
enabling 2-264
IP interfaces
displaying usability status 2-588
IP multicast
displaying multicast routing table information 2-594
IP packets
enable DSCP rewrite 2-429
IP phone and standard desktop
enabling Cisco-recommended features 2-318
IP Port Security
enabling 2-265
IP source binding
adding or deleting 2-261
displaying bindingstagging 2-599
IP source guard
debugging messages 2-115
displaying configuration and filters 2-600
enabling on DHCP snooping 2-265
IPv6 MLD
configuring queries 2-271, 2-273
configuring snooping last-listener-query-intervals 2-273
configuring snooping listener-message-suppression 2-275
configuring snooping robustness-variables 2-276
configuring tcn topology change notifications 2-278
counting snooping last-listener-queries 2-271
displaying information 2-605
displaying ports for a switch or VLAN 2-607
displaying querier information 2-608
enabling snooping 2-269
enabling snooping on a VLAN 2-279
ISSU
canceling process 2-281
configuring rollback timer 2-290
displaying capability 2-610
displaying client information 2-612
displaying compatibility matrix 2-614
displaying endpoint information 2-619
displaying entities 2-620
displaying FSM session 2-621
displaying messages 2-622
displaying negotiated 2-624
displaying rollback-timer 2-625
displaying session information 2-626
displaying software version 2-627
displaying state 2-627
forcing switchover to standby supervisor engine 2-289
loading new image 2-285
starting process 2-287
stopping rollback timer 2-283
J
Jumbo frames
enabling jumbo frames 2-349
L
LACP
deselecting channeling protocol 2-57
enabling LACP on an interface 2-57
setting channeling protocol 2-57
Layer 2
displaying ACL configuration 2-638
Layer 2 interface type
specifying a nontrunking, nontagged single VLAN interface 2-806
specifying a trunking VLAN interface 2-806
Layer 2 protocol ports
displaying 2-629
Layer 2 protocol tunneling error recovery 2-296
Layer 2 switching
enabling voice VLANs 2-799
modifying switching characteristics 2-799
Layer 2 traceroute
IP addresses 2-838
Layer 3 switching
displaying information about an adjacency table 2-474
displaying port status 2-554
displaying status of native VLAN tagging 2-554
link-status event messages
disabling
enabling
log buffer
show status 2-566
logging
controlling IP ARP packets 2-220
M
MAB, display information 2-635
MAB, enable and configure 2-328
mab command 2-328
MAC Access Control Lists
MAC ACLs
defining extended MAC access list 2-306
displaying MAC ACL information 2-737
naming an ACL 2-306
MAC address filtering
configuring 2-315
disabling 2-315
enabling 2-315
MAC address table
adding static entries 2-327
clearing dynamic entries 2-84, 2-86
configuring aging time 2-309
displaying dynamic table entry information 2-645
displaying entry count 2-643
displaying information 2-639
displaying interface-based information 2-647
displaying multicast information 2-649
displaying notification information 2-651
displaying protocol-based information 2-653
displaying static table entry information 2-655
displaying the MAC address aging time 2-641
displaying VLAN-based information 2-658
enabling authentication bypass 2-159
enabling notifications 2-313
learning in the protocol buckets 2-310
removing static entries 2-327
MAC address tables
adding static entries 2-315
deleting secure or specific addresses 2-89
disabling IGMP snooping on static MAC addresses 2-315
removing static entries 2-315
mac-address-table static 2-315
MAC address unicast filtering
dropping unicast traffic 2-315
MAC authentication bypass (MAB), display information 2-635
MAC authorization bypass(MAB), enable and configure 2-328
macro
displaying descriptions 2-326
macro keywords
help strings 2-2
macros
adding a global description 2-326
cisco global 2-324
system-cpp 2-325
mapping secondary VLANs to MST instance 2-408
mapping VLAN(s) to an MST instance 2-201
match (class-map configuration) command 2-331
maximum transmission unit (MTU)
displaying the system MTU setting 2-728
setting the maximum Layer 2 payload size 2-831
MD5
verifying MD5 signature 2-853
message digest 5
MFIB
clearing ip mfib counters 2-81
clearing ip mfib fastdrop 2-82
displaying all active MFIB routes 2-591
displaying MFIB fastdrop table entries 2-593
enabling IP MFIB fastdrops 2-258
MLD
configuring snooping last-listener-query-intervals 2-273
configuring snooping listener-message-suppression 2-275
configuring snooping robustness-variables 2-276
configuring topology change notifications 2-278
counting snooping last-listener-queries 2-271
enabling snooping 2-269
enabling snooping on a VLAN 2-279
MLD snooping
displaying 2-608
modes
access-group 2-6
show access-group interface 2-391, 2-473, 2-696
switching between PVST+, MST, and Rapid PVST 2-770
module password clearing 2-68
module reset
resetting a module by toggling the power 2-196
--More-- prompt
filter 1-6
search 1-7
MST
designating the primary and secondary root 2-779
displaying MST protocol information 2-723
displaying region configuration information 2-723
displaying spanning tree information 2-723
entering MST configuration submode 2-773
setting configuration revision number 2-446
setting path cost and port priority for instances 2-771
setting the forward delay timer for all instances 2-775
setting the hello-time delay timer for all instances 2-776
setting the max-age timer for all instances 2-777
setting the MST region name 2-350
specifying the maximum number of hops 2-778
switching between PVST+ and Rapid PVST 2-770
using the MST configuration submode revision command 2-446
using the submode name command 2-350
MTU
displaying global MTU settings 2-728
multi-auth, setting 2-27
Multicase Listener Discovery
multicast
counters 2-98
enabling storm control 2-798
show ancp 2-476
multicast/unicast packets
prevent forwarding 2-805
Multicast Forwarding Information Base
multi-domain, setting 2-27
multiple-character patterns 1-8
Multiple Spanning Tree
N
native VLAN
controlling tagging of traffic 2-826
displaying ports eligible for native tagging 2-739
displaying ports eligible for tagging 2-739
enabling tagging on 802.1Q trunk ports 2-864
specifing the tagging of traffic 2-827
NetFlow
enabling NetFlow statistics 2-259
including infer fields in routing statistics 2-259
next-hop
displaying CEF VLAN information 2-568
nmsp attachment suppress command 2-352
nmsp command 2-351
no form of a command, using 1-6
NVRAM
debugging NVRAM activities 2-119
O
open access on a port, enabling 2-29
output
pattern searches 1-7
P
packet counters (statistics)
clear for PPPoE Intermediate Agent 2-91
packet counters, display for PPPoE Intermediate Agent 2-694
packet forwarding
prevent unknown packets 2-805
packet memory failure
direct switch action upon detection 2-145
packet memory test
bootup, displaying results 2-505, 2-507
ongoing, displaying results 2-509
PACL
access-group mode 2-6
paging prompt
PAgP
clearing port channel information 2-88
debugging PAgP activity 2-120
deselecting channeling protocol 2-57
displaying port channel information 2-667
hot standby mode
returning to defaults 2-354
selecting ports 2-354
input interface of incoming packets
learning 2-353
returning to defaults 2-353
setting channeling protocol 2-57
parentheses 1-11
password
clearing on an intelligent line module 2-68
establishing enhanced password security 2-851
setting username 2-851
PBR
redistributing route maps 1-xx
PM activities
debugging 2-123
disabling debugging 2-123
PoE policing
configure on an interface 2-387
PoE policing and monitoring
displaying status 2-693
police (percent) command 2-365
police (two rates) command 2-367, 2-369
police command 2-360
policing, configure PoE 2-387
policing and monitoring status
displaying PoE 2-693
Policy Based Routing
policy maps
creating 2-373
marking 2-456
See also QoS, hierarchical policies
traffic classification
defining trust states 2-841
port, dual-capable
selecting the connector 2-340
Port Aggregation Protocol
port-based authentication
displaying debug messages 2-108
displaying statistics and status 2-511
enabling 802.1X 2-163
host modes 2-156
manual control of authorization state 2-163
periodic re-authentication
enabling 2-166
re-authenticating 802.1X-enabled ports 2-165
switch-to-client frame-retransmission number 2-161
port channel
accessing 2-205
creating 2-205
displaying information 2-667
load distribution method
resetting to defaults 2-375
setting 2-375
port control, changing from unidirectional or bidirectional 2-21
port-control value, configuring 2-33
port range
executing 2-206
port security
debugging ports security 2-124
deleting secure or specific addresses 2-89
displaying settings for an interface or switch 2-678
enabling 2-811
filter source IP and MAC addresses 2-265
setting action upon security violation 2-811
setting the rate limit for bad packets 2-811
sticky port 2-811
Port Trust Device
displaying 2-699
power status
displaying inline power 2-685
displaying power status 2-685
power supply
configuring combined and redundant power on the Catalyst 4507R 2-381
configuring inline power 2-378
configuring power consumption 2-380
displaying the SEEPROM 2-533
setting inline power state 2-377
PPPoE Discovery
enable vendor-tag stripping on packetsPPPoE Server
enable vendor-tag stripping on Discovery packets 2-395
PPPoE Discovery packets, limit rate arriving on an interfsce 2-393
PPPoE Intermediate Agent
clear statistics (packet counters) 2-91
debugging 2-125
pppoe intermediate-agent
enable intermediate agent on a switch 2-391
enable on an interface VLAN range 2-397
enable PPPoE Intermediate Agent on an interface 2-392
enable vendor-tag stripping of Discovery packets 2-395
format-type (global) 2-389
limit rate of PPPoE Discovery packets 2-393
set circuit-id or remote-id for an interface 2-396
set circuit-id or remote-id for an interface VLAN range 2-398
set trust configuration on an interface 2-393, 2-394
PPPoE Intermediate Agent, display configuration and statistics (packet counters) 2-694
priority command 2-399
priority-queue command 2-99
Private VLAN
privileged EXEC mode, summary 1-5
prompts
system 1-5
protocol tunneling
configuring encapsulation rate 2-296
disabling 2-291
displaying port information 2-629
enabling 2-291
setting a CoS value for Layer 2 packets 2-293
setting a drop threshold for Layer 2 packets 2-294
PVLANs
configuring isolated, primary, and community PVLANs 2-401
controlling tagging of native VLAN traffic 2-826
disabling sticky-ARP 2-262
displaying map information for VLAN SVIs 2-551
displaying PVLAN information 2-742
enabling interface configuration mode 2-806
enabling sticky-ARP 2-262
mapping VLANs to the same SVI 2-405
specifying host ports 2-806
specifying promiscuous ports 2-806
PVST+
switching between PVST and MST 2-770
Q
QoS
account Layer 2 encapsulation 2-411
attaching a policy-map to an interface 2-447
automatic configuration 2-39
class maps
creating 2-62
defining the match criteria 2-331
clearing aggregate counters 2-92
configuring auto 2-39
defining a named aggregate policer 2-413
defining default CoS value 2-418
defining ingress CoS-to-DSCP mapping 2-423
displaying aggregate policer information 2-697
displaying auto configuration 2-483
displaying class maps information 2-497
displaying configuration information 2-483
displaying configurations of policies 2-673
displaying policy map information 2-669, 2-676
displaying QoS information 2-696
displaying QoS map information 2-701
egress queue-sets
enabling the priority queue 2-99
enabling global configuration mode 2-409
enabling on control packets 2-416
enabling per-VLAN QoS for a Layer 2 interface 2-432
enabling QoS on an interface 2-410
hierarchical policies
average-rate traffic shaping on a class 2-469
bandwidth allocation for a class 2-43, 2-61
creating a service policy 2-450
marking 2-456
strict priority queueing (LLQ) 2-399
mapping DSCP values to transmit queues 2-425
mapping egress DSCP-to-CoS 2-425
mapping the DSCP-to-CoS value 2-425
policy maps
creating 2-373
marking 2-456
trust states 2-841
setting the mapping of policed DSCP values 2-427
setting the trust state 2-430
specifying flow-based match criteria 2-334
Supervisor Engine 6-E
setting CoS 2-458
setting DSCP 2-461
setting precedence values 2-464
setting QoS group identifiers 2-467
QoS CoS
configuring for tunneled Layer 2 protocol packets 2-293
defining default CoS value 2-418
qos dbl 2-419
quality of service
question command 1-1
queueing information
displaying 2-699
queue limiting
configuring packet limits 2-434
R
Rapid PVST
switching between PVST and MST 2-770
re-authenticating 802.1X-enabled ports 2-165
re-authentication
periodic 2-166
set the time 2-168
reauthentication, enabling 2-32
reboots
restoring bindings across 2-226
redundancy
accessing the main CPU 2-436
changing from active to standby supervisor engine 2-440
displaying information 2-703
displaying ISSU config-sync failure information 2-707
displaying redundancy facility information 2-703
displaying RF client list 2-703
displaying RF operational counters 2-703
displaying RF states 2-703
enabling automatic synchronization 2-42
forcing switchover to standby supervisor engine 2-440
mismatched command listing 2-438
set the mode 2-341
synchronizing the route processor configurations 2-327
related documentation 1-xix
remote-id, setting for an interface 2-396
remote-id, setting for an interface VLAN range 2-398
remote SPAN
renew commands
ip dhcp snooping database 2-444
resetting PVLAN trunk
setting switchport to trunk 2-806
retry failed authentiation, configuring 2-24
rj45 connector, selecting the connector 2-340
ROM monitor mode
summary 1-6
Route Processor Redundancy
router, set to become ANCP client 2-16
RPF
disabling IPv4 exists-only checks 2-267
enabling IPv4 exists-only checks 2-267
RPR
set the redundancy mode 2-341
RSPAN
converting VLAN to RSPAN VLAN 2-443
displaying list 2-744
S
saving configuration changes 1-11
secure address, configuring 2-383
secure ports, limitations 2-812
server (AAA) alive actions, configuring 2-24
server (AAA) dead actions, configuring 2-24
service-policy command (policy-map class) 2-450
session classification, defining 2-27
set the redundancy mode 2-341
sfp connector, selecting the connector 2-340
shape command 2-469
show ancp multicast 2-476
show authentication interface command 2-478
show authentication registration command 2-478
show authentication sessions command 2-478
show commands
filtering parameters 1-7
searching and filtering 1-6
show platform commands 1-11
show energywise command 2-515
show mab command 2-635
show nmsp command 2-664
Simple Network Management Protocol
single-character patterns
special characters 1-7
single-host, setting 2-27
slaveslot0
displaying information on the standby supervisor 2-714
slot0
displaying information about the system 2-716
SNMP
debugging spanning tree activities 2-128
ifIndex persistence
clearing SNMP ifIndex commands 2-751
compress SNMP ifIndex table format 2-758
disabling globally 2-757
disabling on an interface 2-753
enabling globally 2-757
enabling on an interface 2-753
informs
disabling 2-755
enabling 2-755
traps
configuring to send when storm occurs 2-796
disabling 2-755
enabling 2-755
mac-notification
adding 1
removing 1
SPAN commands
configuring a SPAN session to monitor 2-343
displaying SPAN session information 2-727, 2-797
SPAN enhancements
displaying status 2-662
Spanning Tree Protocol
SPAN session
displaying session information 2-662
filter ACLs 2-343
specify encap type 2-343
turn off host learning based on ingress packets 2-343
special characters
anchoring, table 1-10
SSO 2-341
standard desktop
enabling Cisco-recommended features 2-316
standard desktop and Cisco IP phone
enabling Cisco-recommended features 2-318
sticky address, configuring 2-384
sticky-ARP
disabling on PVLANs 2-262
enabling on PVLANs 2-262
sticky port
deleting 2-89
enabling security 2-811
storm control
configuring for action when storm occurs 2-796
disabling suppression mode 2-522
displaying settings 2-726
enabling 2-796
enabling broadcast 2-796, 2-798
enabling multicast 2-796, 2-798
enabling suppression mode 2-522
enabling timer to recover from error disable 2-188
multicast, enabling 2-798
setting high and low levels 2-796
setting suppression level 2-522
STP
configuring link type for a port 2-768
configuring tunneling encapsulation rate 2-296
debugging all activities 2-128
debugging spanning tree activities 2-128
debugging spanning tree BackboneFast events 2-130
debugging spanning tree UplinkFast 2-133
detecting misconfiguration 2-765
displaying active interfaces only 2-718
displaying BackboneFast status 2-718
displaying bridge status and configuration 2-718
displaying spanning tree debug messages 2-128
displaying summary of interface information 2-718
enabling BPDU filtering by default on all PortFast ports 2-784
enabling BPDU filtering on an interface 2-761
enabling BPDU guard by default on all PortFast ports 2-786
enabling BPDU guard on an interface 2-763
enabling extended system ID 2-766
enabling loop guard as a default on all ports 2-769
enabling PortFast by default on all access ports 2-787
enabling PortFast mode 2-782
enabling protocol tunneling for 2-291
enabling root guard 2-767
enabling spanning tree BackboneFast 2-760
enabling spanning tree on a per VLAN basis 2-791
enabling spanning tree UplinkFast 2-789
setting an interface priority 2-788
setting drop threshold for 2-294
setting pathcost 2-764
setting the default pathcost calculation method 2-781
subinterface configuration mode, summary 1-6
SVI
creating a Layer 3 interface on a VLAN 2-208
switching characteristics
excluding from link-up calculation 2-803
modifying 2-803
returning to interfaces
capture function 2-803
switchport 2-827
switchport interfaces
displaying status of Layer 3 port 2-554
displaying status of native VLAN tagging 2-554
switch shim
debugging 2-131
disabling debugging 2-131
switch to router connection
enabling Cisco-recommended features 2-320
switch to switch connection
enabling Cisco-recommended features 2-322
switch virtual interface
sw-vlan 2-134
system prompts 1-5
T
Tab key
command completion 1-1
tables
characters with special meaning 1-7
mac access-list extended subcommands 2-306
multipliers 1-9
relationship between duplex and speed commands 2-794
show cable-diagnostics tdr command output fields 2-488
show cdp neighbors detail field descriptions 2-496
show cdp neighbors field descriptions 2-495
show ip dhcp snooping command output 2-479, 2-635
show ip interface field descriptions 2-589
show policy-map control-plane field descriptions 2-672
show vlan command output fields 2-743
show vtp command output fields 2-748
special characters 1-9
special characters used for anchoring 1-10
speed command options 2-334, 2-794
valid interface types 2-203
TAC
displaying information useful to TAC 2-729
TCAM
debugging spanning tree activities 2-128
TDR
displaying cable diagnostic test results 2-487
test condition of copper cables 2-833
temperature readings
displaying information 2-519
Ten-Gigabit Ethernet uplink
blocking ports on redundant Supervisor Engine 6-E 2-197
timer information 2-523
traffic monitor
display status 2-635
traffic shaping
enable on an interface 2-471
traps, enabling 2-755
trunk encapsulation
setting format 2-827
trunk interfaces
displaying trunk interfaces information 2-561
trust configuration, setting on an interface 2-393, 2-394
trust state
setting 2-215
tunnel ports
displaying information about Layer 2 protocol 2-629
TX queues
allocating bandwidth 2-843
returning to default values 2-843
setting priority to high 2-843
specifying burst size 2-843
specifying traffic rate 2-843
U
UDLD
displaying administrative and operational status 2-731
enabling by default on all fiber interfaces 2-845
enabling on an individual interface 2-847
preventing a fiber interface from being enabled 2-847
resetting all shutdown ports 2-849
setting the message timer 2-845
unicast
counters 2-98
Unidirectional Link Detection
unidirection port control, changing from bidirectional 2-21
unknown multicast traffic, preventing 2-805
unknown unicast traffic, preventing 2-805
user EXEC mode, summary 1-5
username
setting password and privilege level 2-851
V
VACLs
access-group mode 2-6
applying VLAN access maps 2-866
displaying VLAN access map information 2-737
specifying an action in a VLAN access map 2-13
specifying the match clause for a VLAN access-map sequence 2-329
using a VLAN filter 2-866
VLAN
applying an ARP ACL 2-209
configuring 2-855
configuring service policies 2-860
converting to RSPAN VLAN 2-443
displaying CEF information 2-568
displaying CEF next-hop information 2-568
displaying information on switch interfaces 2-579, 2-583
displaying information on VLAN switch interfaces 2-586
displaying information sorted by group IP address 2-579, 2-583
displaying IP address and version information 2-579, 2-583
displaying Layer 2 VLAN information 2-733
displaying statistical information 2-660
displaying VLAN information 2-735
enabling dynamic ARP inspection 2-218
enabling Explicit Host Tracking 2-249
enabling guest per-port 2-154
enabling guest VLAN supplicant 2-147, 2-155
entering VLAN configuration mode 2-860, 2-862
native frames
enabling tagging on all 802.1Q trunk ports 2-864
pruning the list for VTP 2-827
setting the list of allowed 2-827
VLAN Access Control Lists
VLAN access map
VLAN database
resetting 2-445
VLAN debugging
limiting output 2-106
VLAN link-up calculation
excluding a switch port 2-803
including a switch port 2-803
VLAN manager
debugging 2-134
disabling debugging 2-134
IOS file system error tests
debugging 2-135
disabling debugging 2-135
VLAN Query Protocol
VLAN query protocol (VQPC)
debugging 2-141
VLANs
clearing
counters 2-94
clearing hardware logic 2-70
configuring
internal allocation scheme 2-867
displaying
internal VLAN allocation information 2-740
RSPAN VLANs 2-744
entering VLAN configuration mode 2-862
VMPS
configuring servers 2-871
reconfirming dynamic VLAN assignments 2-141, 2-869
voice VLANs
enabling 2-799
VoIP
configuring auto-QoS 2-39
VQP
per-server retry count 2-870
reconfirming dynamic VLAN assignments 2-141, 2-869
VTP
configuring the administrative domain name 2-875
configuring the device in VTP client mode 2-874
configuring the device in VTP server mode 2-878
configuring the device in VTP transparent mode 2-879
configuring tunnel encapsulation rate 2-296
creating a VTP domain password 2-876
displaying domain information 2-747
displaying statistics information 2-747
enabling protocol tunneling for 2-291
enabling pruning in the VLAN database 2-877
enabling VTP version 2 mode 2-880
modifying the VTP configuration storage file name 2-873
set drop threshold for 2-294
VTP protocol code
activating debug messages 2-138
deactivating debug messages 2-138
W
Webauth fallback, enabling 2-26