- 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
- 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 2-213
802.1Q trunk ports and native VLANs 2-935
802.1Q tunnel ports
configuring 2-874
802.1S Multiple Spanning Tree
802.1X
configuring for multiple hosts 2-169
configuring for single host 2-169
configuring multiple domains 2-169
disabling port control 2-161
enabling port control 2-161
802.1X Critical Authentication
disabling on a port 2-163
disabling on a VLAN 2-166
EAPOL
disabling send success packets 2-164
enabling send success packets 2-164
enabling on a port 2-163
enabling on a VLAN 2-166
returning delay time to default setting 2-165
setting delay time on a port 2-165
802.1X critical authentication
configure parameters 2-25
802.1X critical recovery delay, configuring 2-25
802.1X Port Based Authentication
debugging 802.1X Port Based Authentication 2-112
displaying port based authentication 2-555
enabling accounting for authentication sessions 2-4
enabling authentication on the system 2-180
enabling guest VLAN 2-167
enabling guest VLAN supplicant 2-159, 2-168
enabling manual control of auth state 2-176
enabling periodic re-authentication of the client 2-179
initializing re-authentication of dot1x ports 2-178
initializing state machines 2-171
receive session termination message upon reboot 2-5
setting maximum number for EAP requests 2-174
setting the reauthentication timer 2-181
A
aaa authorization network command 2-162
abbreviating commands
context-sensitive help 1-1
Access Gateway Module
connecting to a module 2-22
connecting to a remote module 2-484
connecting to a specific remote module 2-496
access-group
displaying mac interface 2-683
show mode interface 2-428, 2-517, 2-745
access groups
IP 2-6
access lists
clearing an access template 2-74
defining ARP 2-21
displaying ARP information 2-521
See also ACLs, MAC ACLs, and VACLs
access maps
applying with VLAN filter 2-937
access-node-identifier, setting for the switch 2-431
access-policies, applying using host-mode 2-29
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 2-208
displaying mac access-group interface 2-683
enabling hardware statisctics 2-208
using ACL naming conventions for MAC ACLs 2-326
action clause
specifying drop or forward action in a VACL 2-13
addresses, configuring a maximum 2-416
adjacency
debugging the adjacency table 2-105
disabling the debug facility 2-105
displaying information about the adjacency table 2-518
displaying IPC table entries 2-105
aggregate policer
displaying information 2-746
aging time
displaying MAC address aging time 2-686
MAC address table 2-329
alarms
displaying operational status 2-563
alternation
description 1-10
anchoring
description 1-10
ancp, show multicast 2-520
ANCP client
port identifier 2-16
remote server 2-17
set router to become 2-18
ARP
access list, displaying detailed information 2-521
defining access-lists 2-21
ARP inspection
enforce certain types of checking 2-230
ARP packet
deny based on DHCP bindings 2-147
permit based on DHCP bindings 2-395
changing the control-direction 2-23
configure actions for events
configuring the actions 2-26
configuring port-control 2-35
enabling reauthentication 2-34
enabling Webauth fallback 2-28
host-mode configuration 2-29
setting priority of methods 2-37
setting the timer 2-39
setting username 2-922
specifying the order of methods 2-32
using an MD5-type encryption method 2-922
verifying MD5 signature 2-924
verifying the checksum for Flash memory 2-924
authentication control-direction command 2-23
authentication critical recovery delay command 2-25
authentication event command 2-26
authentication fallback command 2-28
authentication host-mode 2-29
authentication methods, setting priority 2-37
authentication methods, specifying the order of attempts 2-32
authentication open command 2-31
authentication order command 2-32
authentication periodic command 2-34
authentication port-control command 2-35
authentication priority command 2-37
authentication timer, setting 2-39
authentication timer command 2-39
auth fail VLAN
enable on a port 2-160
set max number of attempts 2-159
Auth Manager
configuring
authentication timer 2-39
authorization state
enabling manual control 2-176
authorization state of a controlled port 2-176
automatic installation
displaying status 2-526
automatic medium-dependent interface crossover
Auto-MDIX
disabling 2-374
enabling 2-374
auto-negotiate interface speed
example 2-851
auto-QoS
configuring for VoIP 2-41
displaying configuration 2-527
B
baby giants
displaying the system MTU setting 2-780
setting the maximum Layer 2 payload size 2-902
BackboneFast
displaying debugging messages 2-134
displaying spanning tree status 2-769
enabling debugging 2-134
bandwidth command 2-45
bindings
store for DHCP snooping 2-242
BOOT environment variable
displaying information 2-530
bootflash
displaying information 2-528
BPDUs
debugging spanning tree activities 2-132
bridge protocol data units
broadcast suppression level
C
cable diagnostics
TDR
displaying test results 2-531
testing conditions of copper cables 2-904
call home
displaying information 2-533
e-mailing output 2-53
entering configuration submode 2-48
executing 2-53
manually send test message 2-56
receiving information 2-51
sending alert group message 2-54
submitting information 2-51
call home destination profiles
displaying 2-535
Catalyst 4507R 2-414
CDP
configuring tunneling encapsulation rate 2-313
displaying
neighbor information 2-538
enabling protocol tunneling for 2-308
set drop threshold for 2-311
CEF
displaying next-hop information 2-612
displaying VLAN configuration information 2-612
chassis
displaying
chassis MAC address ranges 2-680
current and peak traffic meter readings 2-680
percentage of backplane utilization 2-680
switching clock failure recovery mode 2-680
circuit-id
setting for an interface 2-433
circuit-id, setting for an interface VLAN range 2-434
cisco-desktop
macro apply 2-338
Cisco Express Forwarding
cisco-phone
macro apply 2-340
cisco-router
macro apply 2-342
cisco-switch
macro apply 2-344
CISP
See Client Information Signalling Protocol
cisp enable command 2-61
class maps
creating 2-65
defining the match criteria 2-367
clear commands
clearing Gigabit Ethernet interfaces 2-72
clearing IGMP group cache entries 2-81
clearing interface counters 2-67
clearing IP access lists 2-74, 2-75
clearing IP ARP inspection statistics VLAN 2-76
clearing IP DHCP snooping database statistics 2-80
clearing MFIB counters and routes 2-84
clearing MFIB fastdrop entries 2-85
clearing PAgP channel information 2-91
clearing QoS aggregate counters 2-95
clearing VLAN interfaces 2-73
clear energywise neighbors command 2-69
clear nmsp statistics command 2-90
Client Information Signalling Protocol 2-162
Client Information Signalling Protocol, enabling 2-61
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 2-107
condition vlan
debugging VLAN output 2-110
configuration, saving 1-11
configuring
root as secondary 2-835
configuring a SPAN session to monitor
limit SPAN source traffic 2-379
configuring critical recovery 2-25
configuring forward delay 2-831
configuring root as primary 2-835
CoPP
attaching
policy map to control plane 2-494
displaying
policy-map class information 2-719
entering configuration mode 2-99
removing
service policy from control plane 2-494
CoS
assigning to Layer 2 protocol packets 2-310
CoS QoS default
defining value on an interface 2-460
Cost of Service
counter command 2-101
counters
clearing interface counters 2-67
critical authentication, configure 802.1X parameters 2-25
critical recovery, configuring 802.1X parameter 2-25
D
DAI
clear statistics 2-76
DBL
displaying qos dbl 2-747
enabling DBL globally on the switch 2-461
debug commands
debugging backup events 2-106
debugging DHCP snooping events 2-117
debugging DHCP snooping messages 2-118
debugging EtherChannel/PAgP/shim 2-113
debugging IPC activity 2-116
debugging IP DHCP snooping security messages 2-119
debugging NVRAM activities 2-123
debugging PAgP activities 2-124
debugging port manager activities 2-127
debugging spanning tree activities 2-132
debugging spanning tree backbonefast 2-134
debugging spanning tree UplinkFast 2-137
debugging supervisor redundancy 2-131
debugging VLAN manager activities 2-138
displaying monitor activity 2-121
displaying the adjacency table 2-105
enabling debug dot1x 2-112
enabling debugging messages for ISL VLAN IDs 2-141
enabling debugging messages for VTP 2-142
enabling debugging of UDLD activity 2-143
enabling switch shim debugging 2-135
enabling VLAN manager file system error tests 2-139
limiting debugging output for VLANs 2-110
limiting interface debugging output 2-107
limiting output for debugging standby state changes 2-108
shortcut to the debug condition interface 2-115
debugging
activity monitoring 2-121
DHCP snooping events 2-117
DHCP snooping packets 2-118
IPC activities 2-116
IP DHCP snooping security packets 2-119
NVRAM activities 2-123
PAgP activities 2-124
PAgP shim 2-113
PM activities 2-127
PPPoE Intermediate Agent 2-129
spanning tree BackboneFast events 2-134
spanning tree switch shim 2-135
spanning tree UplinkFast events 2-137
VLAN manager activities 2-138
VLAN manager IOS file system error tests 2-139
VTP protocol debug messages 2-142
debug nmsp command 2-122
debug spanning tree switch 2-135
debug sw-vlan vtp 2-142
default CoS value 2-460
default form of a command, using 1-6
defining egress DSCP-to-CoS mapping 2-467
DHCP
clearing database statistics 2-80
DHCP bindings
configuring bindings 2-240
deny ARP packet based on matches 2-147
permit ARP packet based on matches 2-395
DHCP snooping
clearing binding entries 2-77
clearing database 2-79
displaying binding table 2-615
displaying configuration information 2-613
displaying status of DHCP database 2-618
displaying status of error detection 2-566
enabling DHCP globally 2-239
enabling IP source guard 2-281
enabling on a VLAN 2-249
enabling option 82 2-244, 2-246
enabling option-82 2-251
enabling rate limiting on an interface 2-247
enabling trust on an interface 2-248
establishing binding configuration 2-240
renew binding database 2-486
store generated bindings 2-242
diagnostic test
bootup packet memory 2-549
displaying attributes 2-543
display module-based results 2-545
running 2-158
show results for TDR 2-531
testing conditions of copper cables 2-904
displaying error disable recovery 2-567
displaying inline power status 2-734
displaying monitoring activity 2-121
displaying PoE policing and monitoring status 2-742
displaying SEEPROM information
GBIC 2-577
displaying SPAN session information 2-780, 2-854
document conventions 1-xxii
document organization 1-xxi
DoS
CoPP
attaching policy map to control plane 2-494
displaying policy-map class information 2-719
entering configuration mode 2-99
removing service policy from control plane 2-494
entering
CoPP configuration mode 2-99
DOS attack
protecting system's resources 2-225
dot1x credentials (global configuration) command 2-162
drop threshold, Layer 2 protocol tunneling 2-311
DSCP rewrite for IP packets
enable 2-471
dual-capable port
selecting a connector 2-376
duplex mode
configuring autonegotiation on an interface 2-183
configuring full duplex on an interface 2-183
configuring half duplex on an interface 2-183
dynamic ARP inspection
preventing 2-225
Dynamic Buffer Limiting
Dynamic Host Configuration Protocol
E
EAP
restarting authentication process 2-174
EIGRP (Enhanced IGRP)
filters
routing updates, preventing 2-392
enabling
debugging for UDLD 2-143
voice VLANs 2-867
enabling open access 2-31
EnergyWise
display power information through queries 2-192
display setting, status of entity and PoE ports 2-559
on an entity
enable, assign to domain, and set password 2-190
on an entity, enable and configure 2-185
on a PoE port
configuring on PoE port 2-187
energywise (global configuration) command 2-185, 2-187
energywise domain command 2-190
EnergyWise neighbor table, deleting 2-69
energywise query command 2-192
environmental
alarms 2-563
displaying information 2-563
status 2-563
temperature 2-563
epm access control command 2-196
erase a file 2-197
error disable detection
clearing error disable on an interface 2-70
enabling error disable detection 2-70, 2-200
enabling per-VLAN on BPDU guard 2-200
error-disabled state
displaying 2-596
error disable recovery
configuring recovery mechanism variables 2-202
displaying recovery timer information 2-567
enabling ARP inspection timeout 2-202
specifying recovery cause 2-202
EtherChannel
assigning interfaces to EtherChannel groups 2-57
debugging EtherChannel 2-113
debugging PAgP shim 2-113
debugging spanning tree activities 2-132
displaying information for a channel 2-569
removing interfaces from EtherChannel groups 2-57
EtherChannel guard
detecting STP misconfiguration 2-821
Explicit Host Tracking
clearing the database 2-83
enabling per-VLAN 2-263
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 2-28
field replaceable unit (FRU)
displaying status information 2-563
filters
EIGRP
routing updates, preventing 2-392
Flash memory file system
displaying file system information 2-528
verifying checksum 2-924
flow control
configuring a gigabit interface for pause frames 2-205
displaying per-interface statistics for flow control 2-573
G
GBIC
displaying SEEPROM information 2-577
generic-error-message, setting for the switch 2-431
Gigabit Ethernet interface
clearing the hardware logic 2-72
Gigabit Ethernet uplink
selecting 2-213
global configuration mode
using 1-5
H
hardware module
resetting a module by toggling the power 2-210
hardware statistics
disabling 2-208
enabling 2-208
hardware uplink
changing the mode 2-211
selecting the mode 2-213
helper addresses, IP 2-633
hot standby protocol
debugging 2-108
disabling debugging 2-108
limiting output 2-108
I
identifier-string, setting for the switch 2-431
ID mapping, creating an ANCP client 2-16
IDPROMs
displaying SEEPROM information
chassis 2-577
clock module 2-577
fan trays 2-577
module 2-577
mux buffer 2-577
power supplies 2-577
supervisor engine 2-577
ifIndex persistence
clearing SNMP ifIndex commands 2-807
compress SNMP ifIndex table format 2-814
disabling globally 2-813
disabling on an interface 2-809
enabling globally 2-813
enabling on an interface 2-809
IGMP
applying filters for host joining on Layer 2 interfaces 2-253
clearing IGMP group cache entries 2-81
configuring frequency for IGMP host-query messages 2-256
creating an IGMP profile 2-255
displaying IGMP interface configuration information 2-620
displaying profiles 2-622
setting maximum group numbers 2-254
IGMP profiles
displaying 2-622
IGMP snooping
clearing the EHT database 2-83
configuring a Layer 2 interface as a group member 2-269
configuring a Layer 2 interface as a multicast router 2-267
configuring a static VLAN interface 2-269
displaying multicast information 2-629
displaying VLAN information 2-623, 2-627, 2-630
enabling 2-258
enabling immediate-leave processing 2-265
enabling on a VLAN 2-262
enabling per-VLAN Explicit Host Tracking 2-263
informs
enabling 2-811
inline power
displaying inline power status 2-734
In Service Software Upgrade
inspection log
clearing log buffer 2-75
interface
displaying suppressed multicast bytes 2-590
interface capabilities
displaying 2-586
interface configuration mode
summary 1-5
interface link
display cable disconnect time 2-593
interfaces
configuring dot1q tunnel ports 2-874
creating an interface-range macro 2-146
debugging output of interface related activities 2-107
displaying description 2-592
displaying error-disabled state 2-596
displaying information when tunneling is enabled 2-674
displaying status 2-592
displaying traffic for a specific interface 2-583
entering interface configuration mode 2-217
executing a command on multiple ports in a range 2-220
selecting an interface to configure 2-217
setting a CoS value for Layer 2 packets 2-310
setting drop threshold for Layer 2 packets 2-311
setting the interface type 2-874
interface speed
configuring interface speed 2-849
interface transceiver
displaying diagnostic data 2-600
internal VLAN allocation
configuring 2-940
default setting 2-940
displaying allocation information 2-794
Internet Group Management Protocol
IP address of remote ANCP server, setting 2-17
IP ARP
applying ARP ACL to VLAN 2-223
clearing inspection statistics 2-76
clearing status of log buffer 2-75
controlling packet logging 2-234
enabling dynamic inspection 2-232
limit rate of incoming requests 2-225
set per-port config trust state 2-229
showing status of dynamic ARP inspection 2-607
showing status of log buffer 2-610
IPC
debugging IPC activities 2-116
IP DHCP Snooping
IP header validation
disabling 2-280
enabling 2-280
IP interfaces
displaying usability status 2-632
IP multicast
displaying multicast routing table information 2-638
ip multicast multipath command 2-273
IP packets
enable DSCP rewrite 2-471
IP phone and standard desktop
enabling Cisco-recommended features 2-340
IP Port Security
enabling 2-281
IP source binding
adding or deleting 2-277
displaying bindingstagging 2-643
IP source guard
debugging messages 2-119
displaying configuration and filters 2-644
enabling on DHCP snooping 2-281
IPv4 statistics, enabling collection 2-101
IPv6 MLD
configuring queries 2-287, 2-289
configuring snooping last-listener-query-intervals 2-289
configuring snooping listener-message-suppression 2-291
configuring snooping robustness-variables 2-292
configuring tcn topology change notifications 2-294
counting snooping last-listener-queries 2-287
displaying information 2-650
displaying ports for a switch or VLAN 2-652
displaying querier information 2-653
enabling snooping 2-285
enabling snooping on a VLAN 2-295
IPv6 statistics, enabling collection 2-101
ISSU
canceling process 2-297
configuring rollback timer 2-307
displaying capability 2-655
displaying client information 2-657
displaying compatibility matrix 2-659
displaying endpoint information 2-664
displaying entities 2-665
displaying FSM session 2-666
displaying messages 2-667
displaying negotiated 2-669
displaying rollback-timer 2-670
displaying session information 2-671
displaying software version 2-672
displaying state 2-672
forcing switchover to standby supervisor engine 2-305
loading new image 2-301
starting process 2-303
stopping rollback timer 2-299
J
Jumbo frames
enabling jumbo frames 2-385
L
LACP
deselecting channeling protocol 2-59
enabling LACP on an interface 2-59
setting channeling protocol 2-59
Layer 2
displaying ACL configuration 2-683
Layer 2 interface type
specifying a nontrunking, nontagged single VLAN interface 2-874
specifying a trunking VLAN interface 2-874
Layer 2 protocol ports
displaying 2-674
Layer 2 protocol tunneling error recovery 2-313
Layer 2 switching
enabling voice VLANs 2-867
modifying switching characteristics 2-867
Layer 2 traceroute
IP addresses 2-909
Layer 3 interface, assign counters 2-101
Layer 3 switching
displaying information about an adjacency table 2-518
displaying port status 2-598
displaying status of native VLAN tagging 2-598
link-status event messages
disabling
enabling
LLDP
enabling power negotiation 2-317
lldp tlv-select power-management command 2-317
log buffer
show status 2-610
logging
controlling IP ARP packets 2-234
M
MAB, display information 2-680
MAB, enable and configure 2-324
mab command 2-324
MAC Access Control Lists
MAC ACLs
defining extended MAC access list 2-326
displaying MAC ACL information 2-790
naming an ACL 2-326
MAC addresses
disabling MAC address learning per VLAN 2-333
displaying
notification settings 2-196, 2-649, 2-694
MAC address filtering
configuring 2-337
disabling 2-337
enabling 2-337
MAC address learning on a VLAN, enabling 2-333
MAC address table
adding static entries 2-364
clearing dynamic entries 2-87, 2-89
configuring aging time 2-329
displaying dynamic table entry information 2-690
displaying entry count 2-688
displaying information 2-684
displaying interface-based information 2-692
displaying multicast information 2-695
displaying notification information 2-697
displaying protocol-based information 2-699
displaying static table entry information 2-701
displaying the MAC address aging time 2-686
displaying VLAN-based information 2-704
enabling authentication bypass 2-172
enabling notifications 2-335
learning in the protocol buckets 2-330
removing static entries 2-364
mac address-table learning vlan command 2-333
MAC address tables
adding static entries 2-337
deleting secure or specific addresses 2-92
disabling IGMP snooping on static MAC addresses 2-337
removing static entries 2-337
mac-address-table static 2-337
MAC address unicast filtering
dropping unicast traffic 2-337
MAC authentication bypass (MAB), display information 2-680
MAC authorization bypass(MAB), enable and configure 2-324
macro
displaying descriptions 2-363
macro auto global processing command 2-346, 2-348, 2-351, 2-353, 2-355, 2-357, 2-358, 2-360, 2-706
macro keywords
help strings 2-2
macros
adding a global description 2-363
cisco global 2-361
system-cpp 2-362
mapping secondary VLANs to MST instance 2-447
mapping VLAN(s) to an MST instance 2-215
match (class-map configuration) command 2-14, 2-149, 2-151, 2-153, 2-155, 2-367, 2-855, 2-857, 2-859, 2-861, 2-865
maximum transmission unit (MTU)
displaying the system MTU setting 2-780
setting the maximum Layer 2 payload size 2-902
MD5
verifying MD5 signature 2-924
message digest 5
MFIB
clearing ip mfib counters 2-84
clearing ip mfib fastdrop 2-85
displaying all active MFIB routes 2-635
displaying MFIB fastdrop table entries 2-637
enabling IP MFIB fastdrops 2-272
MLD
configuring snooping last-listener-query-intervals 2-289
configuring snooping listener-message-suppression 2-291
configuring snooping robustness-variables 2-292
configuring topology change notifications 2-294
counting snooping last-listener-queries 2-287
enabling snooping 2-285
enabling snooping on a VLAN 2-295
MLD snooping
displaying 2-653
modes
access-group 2-6
show access-group interface 2-428, 2-517, 2-745
switching between PVST+, MST, and Rapid PVST 2-826
module password clearing 2-71
module reset
resetting a module by toggling the power 2-210
--More-- prompt
filter 1-6
search 1-7
MST
designating the primary and secondary root 2-835
displaying MST protocol information 2-774
displaying region configuration information 2-774
displaying spanning tree information 2-774
entering MST configuration submode 2-829
setting configuration revision number 2-488
setting path cost and port priority for instances 2-827
setting the forward delay timer for all instances 2-831
setting the hello-time delay timer for all instances 2-832
setting the max-age timer for all instances 2-833
setting the MST region name 2-386
specifying the maximum number of hops 2-834
switching between PVST+ and Rapid PVST 2-826
using the MST configuration submode revision command 2-488
using the submode name command 2-386
MTU
displaying global MTU settings 2-780
multi-auth, setting 2-29
Multicase Listener Discovery
multicast
enabling storm control 2-854
show ancp 2-520
multicast/unicast packets
prevent forwarding 2-873
Multicast Forwarding Information Base
multi-domain, setting 2-29
multiple-character patterns 1-8
Multiple Spanning Tree
N
native VLAN
controlling tagging of traffic 2-894
displaying ports eligible for native tagging 2-792
displaying ports eligible for tagging 2-792
enabling tagging on 802.1Q trunk ports 2-935
specifing the tagging of traffic 2-895
NEAT, enable globally on switch 2-387
neat enable command 2-387
NetFlow
enabling NetFlow statistics 2-275
including infer fields in routing statistics 2-275
next-hop
displaying CEF VLAN information 2-612
nmsp attachment suppress command 2-389
nmsp command 2-388
no form of a command, using 1-6
NVRAM
debugging NVRAM activities 2-123
O
open access on a port, enabling 2-31
output
pattern searches 1-7
P
packet counters (statistics)
clear for PPPoE Intermediate Agent 2-94
packet counters, display for PPPoE Intermediate Agent 2-743
packet forwarding
prevent unknown packets 2-873
packet memory failure
direct switch action upon detection 2-157
packet memory test
bootup, displaying results 2-549, 2-551
ongoing, displaying results 2-553
PACL
access-group mode 2-6
paging prompt
PAgP
clearing port channel information 2-91
debugging PAgP activity 2-124
deselecting channeling protocol 2-59
displaying port channel information 2-716
hot standby mode
returning to defaults 2-391
selecting ports 2-391
input interface of incoming packets
learning 2-390
returning to defaults 2-390
setting channeling protocol 2-59
parentheses 1-11
password
clearing on an intelligent line module 2-71
establishing enhanced password security 2-922
setting username 2-922
PBR
redistributing route maps 1-xxii
PM activities
debugging 2-127
disabling debugging 2-127
PoE policing
configure on an interface 2-423
PoE policing and monitoring
displaying status 2-742
police (percent) command 2-402
police (two rates) command 2-404, 2-406
police command 2-397
policing, configure PoE 2-423
policing and monitoring status
displaying PoE 2-742
Policy Based Routing
policy maps
creating 2-410
marking 2-498
See also QoS, hierarchical policies
traffic classification
defining trust states 2-912
port, dual-capable
selecting the connector 2-376
Port Aggregation Protocol
port-based authentication
displaying debug messages 2-112
displaying statistics and status 2-555
enabling 802.1X 2-176
host modes 2-169
manual control of authorization state 2-176
periodic re-authentication
enabling 2-179
re-authenticating 802.1X-enabled ports 2-178
switch-to-client frame-retransmission number 2-174
port channel
accessing 2-219
creating 2-219
displaying information 2-716
load distribution method
resetting to defaults 2-412
setting 2-412
port control, changing from unidirectional or bidirectional 2-23
port-control value, configuring 2-35
port range
executing 2-220
port security
debugging ports security 2-128
deleting secure or specific addresses 2-92
displaying settings for an interface or switch 2-727
enabling 2-879
filter source IP and MAC addresses 2-281
setting action upon security violation 2-879
setting the rate limit for bad packets 2-879
sticky port 2-879
Port Trust Device
displaying 2-748
power negotiation through LLDP, enabling 2-317
power status
displaying inline power 2-734
displaying power status 2-734
power supply
configuring combined and redundant power on the Catalyst 4507R 2-414
configuring inline power 2-419
configuring power consumption 2-414
displaying the SEEPROM 2-577
setting inline power state 2-418
PPPoE Discovery
enable vendor-tag stripping on packetsPPPoE Server
enable vendor-tag stripping on Discovery packets 2-437
PPPoE Discovery packets, limit rate arriving on an interfsce 2-435
PPPoE Intermediate Agent
clear statistics (packet counters) 2-94
debugging 2-129
pppoe intermediate-agent
enable intermediate agent on a switch 2-427
enable on an interface VLAN range 2-430
enable PPPoE Intermediate Agent on an interface 2-428
enable vendor-tag stripping of Discovery packets 2-437
format-type (global) 2-431
limit rate of PPPoE Discovery packets 2-435
set circuit-id or remote-id for an interface 2-433
set circuit-id or remote-id for an interface VLAN range 2-434
set trust configuration on an interface 2-435, 2-436
PPPoE Intermediate Agent, display configuration and statistics (packet counters) 2-743
priority command 2-438
priority-queue command 2-103
Private VLAN
privileged EXEC mode, summary 1-5
prompts
system 1-5
protocol tunneling
configuring encapsulation rate 2-313
disabling 2-308
displaying port information 2-674
enabling 2-308
setting a CoS value for Layer 2 packets 2-310
setting a drop threshold for Layer 2 packets 2-311
PVLANs
configuring isolated, primary, and community PVLANs 2-440
controlling tagging of native VLAN traffic 2-894
disabling sticky-ARP 2-278
displaying map information for VLAN SVIs 2-595
displaying PVLAN information 2-798
enabling interface configuration mode 2-874
enabling sticky-ARP 2-278
mapping VLANs to the same SVI 2-444
specifying host ports 2-874
specifying promiscuous ports 2-874
PVST+
switching between PVST and MST 2-826
Q
QoS
account Layer 2 encapsulation 2-452
attaching a policy-map to an interface 2-489
automatic configuration 2-41
class maps
creating 2-65
defining the match criteria 2-367
clearing aggregate counters 2-95
configuring auto 2-41
defining a named aggregate policer 2-454
defining default CoS value 2-460
defining ingress CoS-to-DSCP mapping 2-465
displaying aggregate policer information 2-746
displaying auto configuration 2-527
displaying class maps information 2-541
displaying configuration information 2-527
displaying configurations of policies 2-722
displaying policy map information 2-718, 2-725
displaying QoS information 2-745
displaying QoS map information 2-750
egress queue-sets
enabling the priority queue 2-103
enabling global configuration mode 2-450
enabling on control packets 2-457
enabling per-VLAN QoS for a Layer 2 interface 2-474
enabling QoS on an interface 2-451
hierarchical policies
average-rate traffic shaping on a class 2-511
bandwidth allocation for a class 2-45, 2-64
creating a service policy 2-492
marking 2-498
strict priority queueing (LLQ) 2-438
mapping DSCP values to transmit queues 2-467
mapping egress DSCP-to-CoS 2-467
mapping the DSCP-to-CoS value 2-467
policy maps
creating 2-410
marking 2-498
trust states 2-912
setting the mapping of policed DSCP values 2-469
setting the trust state 2-472
specifying flow-based match criteria 2-370
Supervisor Engine 6-E
setting CoS 2-500
setting DSCP 2-503
setting precedence values 2-506
setting QoS group identifiers 2-509
QoS CoS
configuring for tunneled Layer 2 protocol packets 2-310
defining default CoS value 2-460
qos dbl 2-461
quality of service
question command 1-1
queueing information
displaying 2-748
queue limiting
configuring packet limits 2-476
R
Rapid PVST
switching between PVST and MST 2-826
re-authenticating 802.1X-enabled ports 2-178
re-authentication
periodic 2-179
set the time 2-181
reauthentication, enabling 2-34
reboots
restoring bindings across 2-240
redundancy
accessing the main CPU 2-478
changing from active to standby supervisor engine 2-482
displaying information 2-752
displaying ISSU config-sync failure information 2-756
displaying redundancy facility information 2-752
displaying RF client list 2-752
displaying RF operational counters 2-752
displaying RF states 2-752
enabling automatic synchronization 2-44
forcing switchover to standby supervisor engine 2-482
mismatched command listing 2-480
set the mode 2-377
synchronizing the route processor configurations 2-364
related documentation 1-xxi
remote-id, setting for an interface 2-433
remote-id, setting for an interface VLAN range 2-434
remote SPAN
renew commands
ip dhcp snooping database 2-486
resetting PVLAN trunk
setting switchport to trunk 2-874
retry failed authentiation, configuring 2-26
rj45 connector, selecting the connector 2-376
ROM monitor mode
summary 1-6
Route Processor Redundancy
router, set to become ANCP client 2-18
RPF
disabling IPv4 exists-only checks 2-283
enabling IPv4 exists-only checks 2-283
RPR
set the redundancy mode 2-377
RSPAN
converting VLAN to RSPAN VLAN 2-485
displaying list 2-800
S
saving configuration changes 1-11
secure address, configuring 2-414
secure ports, limitations 2-880
server (AAA) alive actions, configuring 2-26
server (AAA) dead actions, configuring 2-26
service-policy command (policy-map class) 2-492
session classification, defining 2-29
set the redundancy mode 2-377
sfp connector, selecting the connector 2-376
shape command 2-511
shell trigger command 2-515, 2-762
show ancp multicast 2-520
show authentication interface command 2-522
show authentication registration command 2-522
show authentication sessions command 2-522
show commands
filtering parameters 1-7
searching and filtering 1-6
show platform commands 1-11
show energywise command 2-559
show ipv6 first-hop counters command 2-649
show mab command 2-680
show mac address-table learning command 2-196, 2-694
show nmsp command 2-713
show vlan group command 2-793
show vlan mapping command 2-795
Simple Network Management Protocol
single-character patterns
special characters 1-7
single-host, setting 2-29
slaveslot0
displaying information on the standby supervisor 2-765
slot0
displaying information about the system 2-767
SNMP
debugging spanning tree activities 2-132
ifIndex persistence
clearing SNMP ifIndex commands 2-807
compress SNMP ifIndex table format 2-814
disabling globally 2-813
disabling on an interface 2-809
enabling globally 2-813
enabling on an interface 2-809
informs
disabling 2-811
enabling 2-811
traps
configuring to send when storm occurs 2-852
disabling 2-811
enabling 2-811
mac-notification
adding 1
removing 1
SPAN commands
configuring a SPAN session to monitor 2-379
displaying SPAN session information 2-780, 2-854
SPAN enhancements
displaying status 2-711
Spanning Tree Protocol
SPAN session
displaying session information 2-711
filter ACLs 2-379
specify encap type 2-379
turn off host learning based on ingress packets 2-379
special characters
anchoring, table 1-10
SSO 2-377
standard desktop
enabling Cisco-recommended features 2-338
standard desktop and Cisco IP phone
enabling Cisco-recommended features 2-340
sticky address, configuring 2-415
sticky-ARP
disabling on PVLANs 2-278
enabling on PVLANs 2-278
sticky port
deleting 2-92
enabling security 2-879
storm control
configuring for action when storm occurs 2-852
disabling suppression mode 2-566
displaying settings 2-777
enabling 2-852
enabling broadcast 2-852, 2-854
enabling multicast 2-852, 2-854
enabling suppression mode 2-566
enabling timer to recover from error disable 2-202
multicast, enabling 2-854
setting high and low levels 2-852
setting suppression level 2-566
STP
configuring link type for a port 2-824
configuring tunneling encapsulation rate 2-313
debugging all activities 2-132
debugging spanning tree activities 2-132
debugging spanning tree BackboneFast events 2-134
debugging spanning tree UplinkFast 2-137
detecting misconfiguration 2-821
displaying active interfaces only 2-769
displaying BackboneFast status 2-769
displaying bridge status and configuration 2-769
displaying spanning tree debug messages 2-132
displaying summary of interface information 2-769
enabling BPDU filtering by default on all PortFast ports 2-840
enabling BPDU filtering on an interface 2-817
enabling BPDU guard by default on all PortFast ports 2-842
enabling BPDU guard on an interface 2-819
enabling extended system ID 2-822
enabling loop guard as a default on all ports 2-825
enabling PortFast by default on all access ports 2-843
enabling PortFast mode 2-838
enabling protocol tunneling for 2-308
enabling root guard 2-823
enabling spanning tree BackboneFast 2-816
enabling spanning tree on a per VLAN basis 2-847
enabling spanning tree UplinkFast 2-845
setting an interface priority 2-844
setting drop threshold for 2-311
setting pathcost 2-820
setting the default pathcost calculation method 2-837
subinterface configuration mode, summary 1-6
SVI
creating a Layer 3 interface on a VLAN 2-222
switching characteristics
excluding from link-up calculation 2-871
modifying 2-871
returning to interfaces
capture function 2-871
switchport 2-895
switchport interfaces
displaying status of Layer 3 port 2-598
displaying status of native VLAN tagging 2-598
switchport vlan mapping command 2-899
switch shim
debugging 2-135
disabling debugging 2-135
switch to router connection
enabling Cisco-recommended features 2-342
switch to switch connection
enabling Cisco-recommended features 2-344
switch virtual interface
sw-vlan 2-138
system prompts 1-5
T
Tab key
command completion 1-1
tables
characters with special meaning 1-7
mac access-list extended subcommands 2-326
multipliers 1-9
relationship between duplex and speed commands 2-850
show cable-diagnostics tdr command output fields 2-532
show cdp neighbors detail field descriptions 2-540
show cdp neighbors field descriptions 2-539
show ip dhcp snooping command output 2-523, 2-680
show ip interface field descriptions 2-633
show policy-map control-plane field descriptions 2-721
show vlan command output fields 2-799
show vtp command output fields 2-804
special characters 1-9
special characters used for anchoring 1-10
speed command options 2-370, 2-850
valid interface types 2-217
TAC
displaying information useful to TAC 2-781
TCAM
debugging spanning tree activities 2-132
TDR
displaying cable diagnostic test results 2-531
test condition of copper cables 2-904
temperature readings
displaying information 2-563
Ten-Gigabit Ethernet uplink
blocking ports on redundant Supervisor Engine 6-E 2-211
timer information 2-567
traffic monitor
display status 2-680
traffic shaping
enable on an interface 2-513
traps, enabling 2-811
trunk encapsulation
setting format 2-895
trunk interfaces
displaying trunk interfaces information 2-605
trunk port, configuring VLAN mapping 2-899
trunk ports, display VLAN mapping information 2-795
trust configuration, setting on an interface 2-435, 2-436
trust state
setting 2-229
tunnel ports
displaying information about Layer 2 protocol 2-674
TX queues
allocating bandwidth 2-914
returning to default values 2-914
setting priority to high 2-914
specifying burst size 2-914
specifying traffic rate 2-914
U
UDLD
displaying administrative and operational status 2-783
enabling by default on all fiber interfaces 2-916
enabling on an individual interface 2-918
preventing a fiber interface from being enabled 2-918
resetting all shutdown ports 2-920
setting the message timer 2-916
Unidirectional Link Detection
unidirection port control, changing from bidirectional 2-23
unknown multicast traffic, preventing 2-873
unknown unicast traffic, preventing 2-873
user EXEC mode, summary 1-5
username
setting password and privilege level 2-922
V
VACLs
access-group mode 2-6
applying VLAN access maps 2-937
displaying VLAN access map information 2-790
specifying an action in a VLAN access map 2-13
specifying the match clause for a VLAN access-map sequence 2-365
using a VLAN filter 2-937
VLAN
applying an ARP ACL 2-223
configuring 2-926
configuring service policies 2-931
converting to RSPAN VLAN 2-485
displaying CEF information 2-612
displaying CEF next-hop information 2-612
displaying information on switch interfaces 2-623, 2-627
displaying information on VLAN switch interfaces 2-630
displaying information sorted by group IP address 2-623, 2-627
displaying IP address and version information 2-623, 2-627
displaying Layer 2 VLAN information 2-786
displaying statistical information 2-709
displaying VLAN information 2-788
enabling dynamic ARP inspection 2-232
enabling Explicit Host Tracking 2-263
enabling guest per-port 2-167
enabling guest VLAN supplicant 2-159, 2-168
entering VLAN configuration mode 2-931, 2-933
native frames
enabling tagging on all 802.1Q trunk ports 2-935
pruning the list for VTP 2-895
setting the list of allowed 2-895
VLAN, create or modify a group 2-938
VLAN Access Control Lists
VLAN access map
VLAN database
resetting 2-487
VLAN debugging
limiting output 2-110
vlan group command 2-938
VLAN groups, display VLANs mapped 2-793
VLAN ID translation
VLAN link-up calculation
excluding a switch port 2-871
including a switch port 2-871
VLAN manager
debugging 2-138
disabling debugging 2-138
IOS file system error tests
debugging 2-139
disabling debugging 2-139
VLAN mapping
configuring 2-899
described 2-900
displaying 2-795
VLAN mapping, configure on trunk port 2-899
VLAN mapping on trunk ports, display information 2-795
VLAN Query Protocol
VLAN query protocol (VQPC)
debugging 2-145
VLANs
clearing
counters 2-97
clearing hardware logic 2-73
configuring
internal allocation scheme 2-940
displaying
internal VLAN allocation information 2-794
RSPAN VLANs 2-800
entering VLAN configuration mode 2-933
VMPS
configuring servers 2-944
reconfirming dynamic VLAN assignments 2-145, 2-942
voice VLANs
enabling 2-867
VoIP
configuring auto-QoS 2-41
VQP
per-server retry count 2-943
reconfirming dynamic VLAN assignments 2-145, 2-942
VTP
configuring the administrative domain name 2-948
configuring the device in VTP client mode 2-947
configuring the device in VTP server mode 2-951
configuring the device in VTP transparent mode 2-952
configuring tunnel encapsulation rate 2-313
creating a VTP domain password 2-949
displaying domain information 2-803
displaying statistics information 2-803
enabling protocol tunneling for 2-308
enabling pruning in the VLAN database 2-950
enabling VTP version 2 mode 2-953
modifying the VTP configuration storage file name 2-946
set drop threshold for 2-311
VTP protocol code
activating debug messages 2-142
deactivating debug messages 2-142
W
Webauth fallback, enabling 2-28