- 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 2-175
802.1Q trunk ports and native VLANs 2-826
802.1Q tunnel ports
configuring 2-768
802.1S Multiple Spanning Tree
802.1X
configuring for multiple hosts 2-142
configuring for single host 2-142
configuring multiple domains 2-142
disabling port control 2-136
enabling port control 2-136
802.1X Critical Authentication
disabling on a port 2-137
disabling on a VLAN 2-140
EAPOL
disabling send success packets 2-138
enabling send success packets 2-138
enabling on a port 2-137
enabling on a VLAN 2-140
returning delay time to default setting 2-139
setting delay time on a port 2-139
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 2-96
displaying port based authentication 2-482
enabling accounting for authentication sessions 2-4
enabling authentication on the system 2-154
enabling guest VLAN 2-141
enabling guest VLAN supplicant 2-134, 2-142
enabling manual control of auth state 2-150
enabling periodic re-authentication of the client 2-153
initializing re-authentication of dot1x ports 2-152
initializing state machines 2-145
receive session termination message upon reboot 2-5
setting maximum number for EAP requests 2-148
setting the reauthentication timer 2-155
A
abbreviating commands
context-sensitive help 1-1
Access Gateway Module
connecting to a module 2-20
connecting to a remote module 2-418
connecting to a specific remote module 2-430
access-group
displaying mac interface 2-605
show mode interface 2-363, 2-449, 2-659
access groups
IP 2-6
access lists
clearing an access template 2-60
defining ARP 2-19
displaying ARP information 2-453
See also ACLs, MAC ACLs, and VACLs
access maps
applying with VLAN filter 2-828
access-node-identifier, setting for the switch 2-367
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 2-170
displaying mac access-group interface 2-605
enabling hardware statisctics 2-170
using ACL naming conventions for MAC ACLs 2-282
action clause
specifying drop or forward action in a VACL 2-13
addresses, configuring a maximum 2-359
adjacency
debugging the adjacency table 2-89
disabling the debug facility 2-89
displaying information about the adjacency table 2-450
displaying IPC table entries 2-89
aggregate policer
displaying information 2-660
aging time
displaying MAC address aging time 2-608
MAC address table 2-285
alarms
displaying operational status 2-486
alternation
description 1-10
anchoring
description 1-10
ancp, show multicast 2-452
ANCP client
port identifier 2-14
remote server 2-15
set router to become 2-16
ARP
access list, displaying detailed information 2-453
defining access-lists 2-19
ARP inspection
enforce certain types of checking 2-192
ARP packet
deny based on DHCP bindings 2-130
permit based on DHCP bindings 2-332
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 2-813
specifying the order of methods 2-30
using an MD5-type encryption method 2-813
verifying MD5 signature 2-815
verifying the checksum for Flash memory 2-815
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 2-135
set max number of attempts 2-134
Auth Manager
configuring
authentication timer 2-37
authorization state
enabling manual control 2-150
authorization state of a controlled port 2-150
automatic installation
displaying status 2-458
automatic medium-dependent interface crossover
Auto-MDIX
disabling 2-314
enabling 2-314
auto-negotiate interface speed
example 2-757
auto-QoS
configuring for VoIP 2-39
displaying configuration 2-459
B
baby giants
displaying the system MTU setting 2-691
setting the maximum Layer 2 payload size 2-793
BackboneFast
displaying debugging messages 2-117
displaying spanning tree status 2-681
enabling debugging 2-117
bandwidth command 2-43
bindings
store for DHCP snooping 2-204
BOOT environment variable
displaying information 2-462
bootflash
displaying information 2-460
BPDUs
debugging spanning tree activities 2-115
bridge protocol data units
broadcast
counters 2-86
broadcast suppression level
C
cable diagnostics
TDR
displaying test results 2-463
testing conditions of copper cables 2-795
Catalyst 4507R 2-355
CDP
configuring tunneling encapsulation rate 2-272
displaying
neighbor information 2-465
enabling protocol tunneling for 2-267
set drop threshold for 2-270
CEF
displaying next-hop information 2-535
displaying VLAN configuration information 2-535
chassis
displaying
chassis MAC address ranges 2-602
current and peak traffic meter readings 2-602
percentage of backplane utilization 2-602
switching clock failure recovery mode 2-602
circuit-id
setting for an interface 2-369
circuit-id, setting for an interface VLAN range 2-371
cisco-desktop
macro apply 2-292
Cisco Express Forwarding
cisco-phone
macro apply 2-294
cisco-router
macro apply 2-296
cisco-switch
macro apply 2-298
class maps
creating 2-53
defining the match criteria 2-307
clear commands
clearing Gigabit Ethernet interfaces 2-58
clearing IGMP group cache entries 2-67
clearing interface counters 2-55
clearing IP access lists 2-60, 2-61
clearing IP ARP inspection statistics VLAN 2-62
clearing IP DHCP snooping database statistics 2-66
clearing MFIB counters and routes 2-70
clearing MFIB fastdrop entries 2-71
clearing PAgP channel information 2-76
clearing QoS aggregate counters 2-80
clearing VLAN interfaces 2-59
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 2-91
condition vlan
debugging VLAN output 2-94
configuration, saving 1-11
configuring
root as secondary 2-741
configuring a SPAN session to monitor
limit SPAN source traffic 2-319
configuring critical recovery 2-23
configuring forward delay 2-737
configuring root as primary 2-741
CoPP
attaching
policy map to control plane 2-428
displaying
policy-map class information 2-634
entering configuration mode 2-84
removing
service policy from control plane 2-428
CoS
assigning to Layer 2 protocol packets 2-269
CoS QoS default
defining value on an interface 2-394
Cost of Service
counters
clearing interface counters 2-55
critical authentication, configure 802.1X parameters 2-23
critical recovery, configuring 802.1X parameter 2-23
D
DAI
clear statistics 2-62
DBL
displaying qos dbl 2-661
enabling DBL globally on the switch 2-395
debug commands
debugging backup events 2-90
debugging DHCP snooping events 2-101
debugging DHCP snooping messages 2-102
debugging EtherChannel/PAgP/shim 2-97
debugging IPC activity 2-100
debugging IP DHCP snooping security messages 2-103
debugging NVRAM activities 2-106
debugging PAgP activities 2-107
debugging port manager activities 2-110
debugging spanning tree activities 2-115
debugging spanning tree backbonefast 2-117
debugging spanning tree UplinkFast 2-120
debugging supervisor redundancy 2-114
debugging VLAN manager activities 2-121
displaying monitor activity 2-105
displaying the adjacency table 2-89
enabling debug dot1x 2-96
enabling debugging messages for ISL VLAN IDs 2-124
enabling debugging messages for VTP 2-125
enabling debugging of UDLD activity 2-126
enabling switch shim debugging 2-118
enabling VLAN manager file system error tests 2-122
limiting debugging output for VLANs 2-94
limiting interface debugging output 2-91
limiting output for debugging standby state changes 2-92
shortcut to the debug condition interface 2-99
debugging
activity monitoring 2-105
DHCP snooping events 2-101
DHCP snooping packets 2-102
IPC activities 2-100
IP DHCP snooping security packets 2-103
NVRAM activities 2-106
PAgP activities 2-107
PAgP shim 2-97
PM activities 2-110
PPPoE Intermediate Agent 2-112
spanning tree BackboneFast events 2-117
spanning tree switch shim 2-118
spanning tree UplinkFast events 2-120
VLAN manager activities 2-121
VLAN manager IOS file system error tests 2-122
VTP protocol debug messages 2-125
debug spanning tree switch 2-118
debug sw-vlan vtp 2-125
default CoS value 2-394
default form of a command, using 1-6
defining egress DSCP-to-CoS mapping 2-401
DHCP
clearing database statistics 2-66
DHCP bindings
configuring bindings 2-202
deny ARP packet based on matches 2-130
permit ARP packet based on matches 2-332
DHCP snooping
clearing binding entries 2-63
clearing database 2-65
displaying binding table 2-538
displaying configuration information 2-536
displaying status of DHCP database 2-541
displaying status of error detection 2-489
enabling DHCP globally 2-201
enabling IP source guard 2-241
enabling on a VLAN 2-211
enabling option 82 2-206, 2-208
enabling option-82 2-213
enabling rate limiting on an interface 2-209
enabling trust on an interface 2-210
establishing binding configuration 2-202
renew binding database 2-420
store generated bindings 2-204
diagnostic test
bootup packet memory 2-476
displaying attributes 2-470
display module-based results 2-472
running 2-133
show results for TDR 2-463
testing conditions of copper cables 2-795
displaying error disable recovery 2-490
displaying inline power status 2-649
displaying monitoring activity 2-105
displaying PoE policing and monitoring status 2-656
displaying SEEPROM information
GBIC 2-500
displaying SPAN session information 2-690, 2-759
document conventions 1-xx
document organization 1-xix
DoS
CoPP
attaching policy map to control plane 2-428
displaying policy-map class information 2-634
entering configuration mode 2-84
removing service policy from control plane 2-428
entering
CoPP configuration mode 2-84
DOS attack
protecting system's resources 2-187
drop threshold, Layer 2 protocol tunneling 2-270
DSCP rewrite for IP packets
enable 2-405
dual-capable port
selecting a connector 2-316
duplex mode
configuring autonegotiation on an interface 2-157
configuring full duplex on an interface 2-157
configuring half duplex on an interface 2-157
dynamic ARP inspection
preventing 2-187
Dynamic Buffer Limiting
Dynamic Host Configuration Protocol
E
EAP
restarting authentication process 2-148
EIGRP (Enhanced IGRP)
filters
routing updates, preventing 2-329
enabling
debugging for UDLD 2-126
voice VLANs 2-761
enabling open access 2-29
environmental
alarms 2-486
displaying information 2-486
status 2-486
temperature 2-486
erase a file 2-159
error disable detection
enabling error disable detection 2-162
error-disabled state
displaying 2-519
error disable recovery
configuring recovery mechanism variables 2-164
displaying recovery timer information 2-490
enabling ARP inspection timeout 2-164
specifying recovery cause 2-164
EtherChannel
assigning interfaces to EtherChannel groups 2-46
debugging EtherChannel 2-97
debugging PAgP shim 2-97
debugging spanning tree activities 2-115
displaying information for a channel 2-492
removing interfaces from EtherChannel groups 2-46
EtherChannel guard
detecting STP misconfiguration 2-727
Explicit Host Tracking
clearing the database 2-69
enabling per-VLAN 2-225
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 2-486
filters
EIGRP
routing updates, preventing 2-329
Flash memory file system
displaying file system information 2-460
verifying checksum 2-815
flow control
configuring a gigabit interface for pause frames 2-167
displaying per-interface statistics for flow control 2-496
G
GBIC
displaying SEEPROM information 2-500
generic-error-message, setting for the switch 2-367
Gigabit Ethernet interface
clearing the hardware logic 2-58
Gigabit Ethernet uplink
selecting 2-175
global configuration mode
using 1-5
H
hardware module
resetting a module by toggling the power 2-172
hardware statistics
disabling 2-170
enabling 2-170
hardware uplink
changing the mode 2-173
selecting the mode 2-175
helper addresses, IP 2-556
hot standby protocol
debugging 2-92
disabling debugging 2-92
limiting output 2-92
I
identifier-string, setting for the switch 2-367
ID mapping, creating an ANCP client 2-14
IDPROMs
displaying SEEPROM information
chassis 2-500
clock module 2-500
fan trays 2-500
module 2-500
mux buffer 2-500
power supplies 2-500
supervisor engine 2-500
ifIndex persistence
clearing SNMP ifIndex commands 2-713
compress SNMP ifIndex table format 2-720
disabling globally 2-719
disabling on an interface 2-715
enabling globally 2-719
enabling on an interface 2-715
IGMP
applying filters for host joining on Layer 2 interfaces 2-215
clearing IGMP group cache entries 2-67
configuring frequency for IGMP host-query messages 2-218
creating an IGMP profile 2-217
displaying IGMP interface configuration information 2-543
displaying profiles 2-545
setting maximum group numbers 2-216
IGMP profiles
displaying 2-545
IGMP snooping
clearing the EHT database 2-69
configuring a Layer 2 interface as a group member 2-231
configuring a Layer 2 interface as a multicast router 2-229
configuring a static VLAN interface 2-231
displaying multicast information 2-552
displaying VLAN information 2-546, 2-550, 2-553
enabling 2-220
enabling immediate-leave processing 2-227
enabling on a VLAN 2-224
enabling per-VLAN Explicit Host Tracking 2-225
informs
enabling 2-717
inline power
displaying inline power status 2-649
In Service Software Upgrade
inspection log
clearing log buffer 2-61
interface
displaying suppressed multicast bytes 2-513
interface capabilities
displaying 2-509
interface configuration mode
summary 1-5
interface link
display cable disconnect time 2-516
interfaces
configuring dot1q tunnel ports 2-768
creating an interface-range macro 2-129
debugging output of interface related activities 2-91
displaying description 2-515
displaying error-disabled state 2-519
displaying information when tunneling is enabled 2-596
displaying status 2-515
displaying traffic for a specific interface 2-506
entering interface configuration mode 2-179
executing a command on multiple ports in a range 2-182
selecting an interface to configure 2-179
setting a CoS value for Layer 2 packets 2-269
setting drop threshold for Layer 2 packets 2-270
setting the interface type 2-768
interface speed
configuring interface speed 2-755
interface transceiver
displaying diagnostic data 2-523
internal VLAN allocation
configuring 2-829
default setting 2-829
displaying allocation information 2-703
Internet Group Management Protocol
IP address of remote ANCP server, setting 2-15
IP ARP
applying ARP ACL to VLAN 2-185
clearing inspection statistics 2-62
clearing status of log buffer 2-61
controlling packet logging 2-196
enabling dynamic inspection 2-194
limit rate of incoming requests 2-187
set per-port config trust state 2-191
showing status of dynamic ARP inspection 2-530
showing status of log buffer 2-533
IPC
debugging IPC activities 2-100
IP DHCP Snooping
IP header validation
disabling 2-240
enabling 2-240
IP interfaces
displaying usability status 2-555
IP multicast
displaying multicast routing table information 2-561
IP packets
enable DSCP rewrite 2-405
IP phone and standard desktop
enabling Cisco-recommended features 2-294
IP Port Security
enabling 2-241
IP source binding
adding or deleting 2-237
displaying bindingstagging 2-566
IP source guard
debugging messages 2-103
displaying configuration and filters 2-567
enabling on DHCP snooping 2-241
IPv6 MLD
configuring queries 2-247, 2-249
configuring snooping last-listener-query-intervals 2-249
configuring snooping listener-message-suppression 2-251
configuring snooping robustness-variables 2-252
configuring tcn topology change notifications 2-254
counting snooping last-listener-queries 2-247
displaying information 2-572
displaying ports for a switch or VLAN 2-574
displaying querier information 2-575
enabling snooping 2-245
enabling snooping on a VLAN 2-255
ISSU
canceling process 2-257
configuring rollback timer 2-266
displaying capability 2-577
displaying client information 2-579
displaying compatibility matrix 2-581
displaying endpoint information 2-586
displaying entities 2-587
displaying FSM session 2-588
displaying messages 2-589
displaying negotiated 2-591
displaying rollback-timer 2-592
displaying session information 2-593
displaying software version 2-594
displaying state 2-594
forcing switchover to standby supervisor engine 2-265
loading new image 2-261
starting process 2-263
stopping rollback timer 2-259
J
Jumbo frames
enabling jumbo frames 2-325
L
LACP
deselecting channeling protocol 2-48
enabling LACP on an interface 2-48
setting channeling protocol 2-48
Layer 2
displaying ACL configuration 2-605
Layer 2 interface type
specifying a nontrunking, nontagged single VLAN interface 2-768
specifying a trunking VLAN interface 2-768
Layer 2 protocol ports
displaying 2-596
Layer 2 protocol tunneling error recovery 2-272
Layer 2 switching
enabling voice VLANs 2-761
modifying switching characteristics 2-761
Layer 2 traceroute
IP addresses 2-800
Layer 3 switching
displaying information about an adjacency table 2-450
displaying port status 2-521
displaying status of native VLAN tagging 2-521
link-status event messages
disabling
enabling
log buffer
show status 2-533
logging
controlling IP ARP packets 2-196
M
MAB, display information 2-602
MAB, enable and configure 2-304
mab command 2-304
MAC Access Control Lists
MAC ACLs
defining extended MAC access list 2-282
displaying MAC ACL information 2-700
naming an ACL 2-282
MAC address filtering
configuring 2-291
disabling 2-291
enabling 2-291
MAC address table
adding static entries 2-303
clearing dynamic entries 2-73, 2-75
configuring aging time 2-285
displaying dynamic table entry information 2-612
displaying entry count 2-610
displaying information 2-606
displaying interface-based information 2-614
displaying multicast information 2-616
displaying notification information 2-618
displaying protocol-based information 2-620
displaying static table entry information 2-622
displaying the MAC address aging time 2-608
displaying VLAN-based information 2-625
enabling authentication bypass 2-146
enabling notifications 2-289
learning in the protocol buckets 2-286
removing static entries 2-303
MAC address tables
adding static entries 2-291
deleting secure or specific addresses 2-77
disabling IGMP snooping on static MAC addresses 2-291
removing static entries 2-291
mac-address-table static 2-291
MAC address unicast filtering
dropping unicast traffic 2-291
MAC authentication bypass (MAB), display information 2-602
MAC authorization bypass(MAB), enable and configure 2-304
macro
displaying descriptions 2-302
macro keywords
help strings 2-2
macros
adding a global description 2-302
cisco global 2-300
system-cpp 2-301
mapping secondary VLANs to MST instance 2-384
mapping VLAN(s) to an MST instance 2-177
match (class-map configuration) command 2-307
maximum transmission unit (MTU)
displaying the system MTU setting 2-691
setting the maximum Layer 2 payload size 2-793
MD5
verifying MD5 signature 2-815
message digest 5
MFIB
clearing ip mfib counters 2-70
clearing ip mfib fastdrop 2-71
displaying all active MFIB routes 2-558
displaying MFIB fastdrop table entries 2-560
enabling IP MFIB fastdrops 2-234
MLD
configuring snooping last-listener-query-intervals 2-249
configuring snooping listener-message-suppression 2-251
configuring snooping robustness-variables 2-252
configuring topology change notifications 2-254
counting snooping last-listener-queries 2-247
enabling snooping 2-245
enabling snooping on a VLAN 2-255
MLD snooping
displaying 2-575
modes
access-group 2-6
show access-group interface 2-363, 2-449, 2-659
switching between PVST+, MST, and Rapid PVST 2-732
module password clearing 2-57
module reset
resetting a module by toggling the power 2-172
--More-- prompt
filter 1-6
search 1-7
MST
designating the primary and secondary root 2-741
displaying MST protocol information 2-686
displaying region configuration information 2-686
displaying spanning tree information 2-686
entering MST configuration submode 2-735
setting configuration revision number 2-422
setting path cost and port priority for instances 2-733
setting the forward delay timer for all instances 2-737
setting the hello-time delay timer for all instances 2-738
setting the max-age timer for all instances 2-739
setting the MST region name 2-326
specifying the maximum number of hops 2-740
switching between PVST+ and Rapid PVST 2-732
using the MST configuration submode revision command 2-422
using the submode name command 2-326
MTU
displaying global MTU settings 2-691
multi-auth, setting 2-27
Multicase Listener Discovery
multicast
counters 2-86
enabling storm control 2-760
show ancp 2-452
multicast/unicast packets
prevent forwarding 2-767
Multicast Forwarding Information Base
multi-domain, setting 2-27
multiple-character patterns 1-8
Multiple Spanning Tree
N
native VLAN
controlling tagging of traffic 2-788
displaying ports eligible for native tagging 2-702
displaying ports eligible for tagging 2-702
enabling tagging on 802.1Q trunk ports 2-826
specifing the tagging of traffic 2-789
NetFlow
enabling NetFlow statistics 2-235
including infer fields in routing statistics 2-235
next-hop
displaying CEF VLAN information 2-535
no form of a command, using 1-6
NVRAM
debugging NVRAM activities 2-106
O
open access on a port, enabling 2-29
output
pattern searches 1-7
P
packet counters (statistics)
clear for PPPoE Intermediate Agent 2-79
packet counters, display for PPPoE Intermediate Agent 2-657
packet forwarding
prevent unknown packets 2-767
packet memory failure
direct switch action upon detection 2-132
packet memory test
bootup, displaying results 2-476, 2-478
ongoing, displaying results 2-480
PACL
access-group mode 2-6
paging prompt
PAgP
clearing port channel information 2-76
debugging PAgP activity 2-107
deselecting channeling protocol 2-48
displaying port channel information 2-631
hot standby mode
returning to defaults 2-328
selecting ports 2-328
input interface of incoming packets
learning 2-327
returning to defaults 2-327
setting channeling protocol 2-48
parentheses 1-11
password
clearing on an intelligent line module 2-57
establishing enhanced password security 2-813
setting username 2-813
PBR
redistributing route maps 1-xx
PM activities
debugging 2-110
disabling debugging 2-110
PoE policing
configure on an interface 2-361
PoE policing and monitoring
displaying status 2-656
police (percent) command 2-339
police (two rates) command 2-341, 2-343
police command 2-334
policing, configure PoE 2-361
policing and monitoring status
displaying PoE 2-656
Policy Based Routing
policy maps
creating 2-347
marking 2-432
See also QoS, hierarchical policies
traffic classification
defining trust states 2-803
port, dual-capable
selecting the connector 2-316
Port Aggregation Protocol
port-based authentication
displaying debug messages 2-96
displaying statistics and status 2-482
enabling 802.1X 2-150
host modes 2-143
manual control of authorization state 2-150
periodic re-authentication
enabling 2-153
re-authenticating 802.1X-enabled ports 2-152
switch-to-client frame-retransmission number 2-148
port channel
accessing 2-181
creating 2-181
displaying information 2-631
load distribution method
resetting to defaults 2-349
setting 2-349
port control, changing from unidirectional or bidirectional 2-21
port-control value, configuring 2-33
port range
executing 2-182
port security
debugging ports security 2-111
deleting secure or specific addresses 2-77
displaying settings for an interface or switch 2-642
enabling 2-773
filter source IP and MAC addresses 2-241
setting action upon security violation 2-773
setting the rate limit for bad packets 2-773
sticky port 2-773
Port Trust Device
displaying 2-662
power status
displaying inline power 2-649
displaying power status 2-649
power supply
configuring combined and redundant power on the Catalyst 4507R 2-355
configuring inline power 2-352
configuring power consumption 2-354
displaying the SEEPROM 2-500
setting inline power state 2-351
PPPoE Discovery
enable vendor-tag stripping on packetsPPPoE Server
enable vendor-tag stripping on Discovery packets 2-374
PPPoE Discovery packets, limit rate arriving on an interfsce 2-372
PPPoE Intermediate Agent
clear statistics (packet counters) 2-79
debugging 2-112
pppoe intermediate-agent
enable intermediate agent on a switch 2-363
enable on an interface VLAN range 2-366
enable PPPoE Intermediate Agent on an interface 2-364
enable vendor-tag stripping of Discovery packets 2-374
format-type (global) 2-367
limit rate of PPPoE Discovery packets 2-372
set circuit-id or remote-id for an interface 2-369
set circuit-id or remote-id for an interface VLAN range 2-371
set trust configuration on an interface 2-372, 2-373
PPPoE Intermediate Agent, display configuration and statistics (packet counters) 2-657
priority command 2-375
priority-queue command 2-87
Private VLAN
privileged EXEC mode, summary 1-5
prompts
system 1-5
protocol tunneling
configuring encapsulation rate 2-272
disabling 2-267
displaying port information 2-596
enabling 2-267
setting a CoS value for Layer 2 packets 2-269
setting a drop threshold for Layer 2 packets 2-270
PVLANs
configuring isolated, primary, and community PVLANs 2-377
controlling tagging of native VLAN traffic 2-788
disabling sticky-ARP 2-238
displaying map information for VLAN SVIs 2-518
displaying PVLAN information 2-705
enabling interface configuration mode 2-768
enabling sticky-ARP 2-238
mapping VLANs to the same SVI 2-381
specifying host ports 2-768
specifying promiscuous ports 2-768
PVST+
switching between PVST and MST 2-732
Q
QoS
account Layer 2 encapsulation 2-387
attaching a policy-map to an interface 2-423
automatic configuration 2-39
class maps
creating 2-53
defining the match criteria 2-307
clearing aggregate counters 2-80
configuring auto 2-39
defining a named aggregate policer 2-389
defining default CoS value 2-394
defining ingress CoS-to-DSCP mapping 2-399
displaying aggregate policer information 2-660
displaying auto configuration 2-459
displaying class maps information 2-468
displaying configuration information 2-459
displaying configurations of policies 2-637
displaying policy map information 2-633, 2-640
displaying QoS information 2-659
displaying QoS map information 2-664
egress queue-sets
enabling the priority queue 2-87
enabling global configuration mode 2-385
enabling on control packets 2-392
enabling per-VLAN QoS for a Layer 2 interface 2-408
enabling QoS on an interface 2-386
hierarchical policies
average-rate traffic shaping on a class 2-445
bandwidth allocation for a class 2-43, 2-52
creating a service policy 2-426
marking 2-432
strict priority queueing (LLQ) 2-375
mapping DSCP values to transmit queues 2-401
mapping egress DSCP-to-CoS 2-401
mapping the DSCP-to-CoS value 2-401
policy maps
creating 2-347
marking 2-432
trust states 2-803
setting the mapping of policed DSCP values 2-403
setting the trust state 2-406
specifying flow-based match criteria 2-310
Supervisor Engine 6-E
setting CoS 2-434
setting DSCP 2-437
setting precedence values 2-440
setting QoS group identifiers 2-443
QoS CoS
configuring for tunneled Layer 2 protocol packets 2-269
defining default CoS value 2-394
qos dbl 2-395
quality of service
question command 1-1
queueing information
displaying 2-662
queue limiting
configuring packet limits 2-410
R
Rapid PVST
switching between PVST and MST 2-732
re-authenticating 802.1X-enabled ports 2-152
re-authentication
periodic 2-153
set the time 2-155
reauthentication, enabling 2-32
reboots
restoring bindings across 2-202
redundancy
accessing the main CPU 2-412
changing from active to standby supervisor engine 2-416
displaying information 2-666
displaying ISSU config-sync failure information 2-670
displaying redundancy facility information 2-666
displaying RF client list 2-666
displaying RF operational counters 2-666
displaying RF states 2-666
enabling automatic synchronization 2-42
forcing switchover to standby supervisor engine 2-416
mismatched command listing 2-414
set the mode 2-317
synchronizing the route processor configurations 2-303
related documentation 1-xix
remote-id, setting for an interface 2-369
remote-id, setting for an interface VLAN range 2-371
remote SPAN
renew commands
ip dhcp snooping database 2-420
resetting PVLAN trunk
setting switchport to trunk 2-768
retry failed authentiation, configuring 2-24
rj45 connector, selecting the connector 2-316
ROM monitor mode
summary 1-6
Route Processor Redundancy
router, set to become ANCP client 2-16
RPF
disabling IPv4 exists-only checks 2-243
enabling IPv4 exists-only checks 2-243
RPR
set the redundancy mode 2-317
RSPAN
converting VLAN to RSPAN VLAN 2-419
displaying list 2-707
S
saving configuration changes 1-11
secure address, configuring 2-357
secure ports, limitations 2-774
server (AAA) alive actions, configuring 2-24
server (AAA) dead actions, configuring 2-24
service-policy command (policy-map class) 2-426
session classification, defining 2-27
set the redundancy mode 2-317
sfp connector, selecting the connector 2-316
shape command 2-445
show ancp multicast 2-452
show authentication interface command 2-454
show authentication registration command 2-454
show authentication sessions command 2-454
show commands
filtering parameters 1-7
searching and filtering 1-6
show platform commands 1-11
show mab command 2-602
Simple Network Management Protocol
single-character patterns
special characters 1-7
single-host, setting 2-27
slaveslot0
displaying information on the standby supervisor 2-677
slot0
displaying information about the system 2-679
SNMP
debugging spanning tree activities 2-115
ifIndex persistence
clearing SNMP ifIndex commands 2-713
compress SNMP ifIndex table format 2-720
disabling globally 2-719
disabling on an interface 2-715
enabling globally 2-719
enabling on an interface 2-715
informs
disabling 2-717
enabling 2-717
traps
configuring to send when storm occurs 2-758
disabling 2-717
enabling 2-717
mac-notification
adding 1
removing 1
SPAN commands
configuring a SPAN session to monitor 2-319
displaying SPAN session information 2-690, 2-759
SPAN enhancements
displaying status 2-629
Spanning Tree Protocol
SPAN session
displaying session information 2-629
filter ACLs 2-319
specify encap type 2-319
turn off host learning based on ingress packets 2-319
special characters
anchoring, table 1-10
SSO 2-317
standard desktop
enabling Cisco-recommended features 2-292
standard desktop and Cisco IP phone
enabling Cisco-recommended features 2-294
sticky address, configuring 2-358
sticky-ARP
disabling on PVLANs 2-238
enabling on PVLANs 2-238
sticky port
deleting 2-77
enabling security 2-773
storm control
configuring for action when storm occurs 2-758
disabling suppression mode 2-489
displaying settings 2-689
enabling 2-758
enabling broadcast 2-758, 2-760
enabling multicast 2-758, 2-760
enabling suppression mode 2-489
enabling timer to recover from error disable 2-164
multicast, enabling 2-760
setting high and low levels 2-758
setting suppression level 2-489
STP
configuring link type for a port 2-730
configuring tunneling encapsulation rate 2-272
debugging all activities 2-115
debugging spanning tree activities 2-115
debugging spanning tree BackboneFast events 2-117
debugging spanning tree UplinkFast 2-120
detecting misconfiguration 2-727
displaying active interfaces only 2-681
displaying BackboneFast status 2-681
displaying bridge status and configuration 2-681
displaying spanning tree debug messages 2-115
displaying summary of interface information 2-681
enabling BPDU filtering by default on all PortFast ports 2-746
enabling BPDU filtering on an interface 2-723
enabling BPDU guard by default on all PortFast ports 2-748
enabling BPDU guard on an interface 2-725
enabling extended system ID 2-728
enabling loop guard as a default on all ports 2-731
enabling PortFast by default on all access ports 2-749
enabling PortFast mode 2-744
enabling protocol tunneling for 2-267
enabling root guard 2-729
enabling spanning tree BackboneFast 2-722
enabling spanning tree on a per VLAN basis 2-753
enabling spanning tree UplinkFast 2-751
setting an interface priority 2-750
setting drop threshold for 2-270
setting pathcost 2-726
setting the default pathcost calculation method 2-743
subinterface configuration mode, summary 1-6
SVI
creating a Layer 3 interface on a VLAN 2-184
switching characteristics
excluding from link-up calculation 2-765
modifying 2-765
returning to interfaces
capture function 2-765
switchport 2-789
switchport interfaces
displaying status of Layer 3 port 2-521
displaying status of native VLAN tagging 2-521
switch shim
debugging 2-118
disabling debugging 2-118
switch to router connection
enabling Cisco-recommended features 2-296
switch to switch connection
enabling Cisco-recommended features 2-298
switch virtual interface
sw-vlan 2-121
system prompts 1-5
T
Tab key
command completion 1-1
tables
characters with special meaning 1-7
mac access-list extended subcommands 2-282
multipliers 1-9
relationship between duplex and speed commands 2-756
show cable-diagnostics tdr command output fields 2-464
show cdp neighbors detail field descriptions 2-467
show cdp neighbors field descriptions 2-466
show ip dhcp snooping command output 2-455, 2-602
show ip interface field descriptions 2-556
show policy-map control-plane field descriptions 2-636
show vlan command output fields 2-706
show vtp command output fields 2-711
special characters 1-9
special characters used for anchoring 1-10
speed command options 2-310, 2-756
valid interface types 2-179
TAC
displaying information useful to TAC 2-692
TCAM
debugging spanning tree activities 2-115
TDR
displaying cable diagnostic test results 2-463
test condition of copper cables 2-795
temperature readings
displaying information 2-486
Ten-Gigabit Ethernet uplink
blocking ports on redundant Supervisor Engine 6-E 2-173
timer information 2-490
traffic monitor
display status 2-602
traffic shaping
enable on an interface 2-447
traps, enabling 2-717
trunk encapsulation
setting format 2-789
trunk interfaces
displaying trunk interfaces information 2-528
trust configuration, setting on an interface 2-372, 2-373
trust state
setting 2-191
tunnel ports
displaying information about Layer 2 protocol 2-596
TX queues
allocating bandwidth 2-805
returning to default values 2-805
setting priority to high 2-805
specifying burst size 2-805
specifying traffic rate 2-805
U
UDLD
displaying administrative and operational status 2-694
enabling by default on all fiber interfaces 2-807
enabling on an individual interface 2-809
preventing a fiber interface from being enabled 2-809
resetting all shutdown ports 2-811
setting the message timer 2-807
unicast
counters 2-86
Unidirectional Link Detection
unidirection port control, changing from bidirectional 2-21
unknown multicast traffic, preventing 2-767
unknown unicast traffic, preventing 2-767
user EXEC mode, summary 1-5
username
setting password and privilege level 2-813
V
VACLs
access-group mode 2-6
applying VLAN access maps 2-828
displaying VLAN access map information 2-700
specifying an action in a VLAN access map 2-13
specifying the match clause for a VLAN access-map sequence 2-305
using a VLAN filter 2-828
VLAN
applying an ARP ACL 2-185
configuring 2-817
configuring service policies 2-822
converting to RSPAN VLAN 2-419
displaying CEF information 2-535
displaying CEF next-hop information 2-535
displaying information on switch interfaces 2-546, 2-550
displaying information on VLAN switch interfaces 2-553
displaying information sorted by group IP address 2-546, 2-550
displaying IP address and version information 2-546, 2-550
displaying Layer 2 VLAN information 2-696
displaying statistical information 2-627
displaying VLAN information 2-698
enabling dynamic ARP inspection 2-194
enabling Explicit Host Tracking 2-225
enabling guest per-port 2-141
enabling guest VLAN supplicant 2-134, 2-142
entering VLAN configuration mode 2-822, 2-824
native frames
enabling tagging on all 802.1Q trunk ports 2-826
pruning the list for VTP 2-789
setting the list of allowed 2-789
VLAN Access Control Lists
VLAN access map
VLAN database
resetting 2-421
VLAN debugging
limiting output 2-94
VLAN link-up calculation
excluding a switch port 2-765
including a switch port 2-765
VLAN manager
debugging 2-121
disabling debugging 2-121
IOS file system error tests
debugging 2-122
disabling debugging 2-122
VLAN Query Protocol
VLAN query protocol (VQPC)
debugging 2-128
VLANs
clearing
counters 2-82
clearing hardware logic 2-59
configuring
internal allocation scheme 2-829
displaying
internal VLAN allocation information 2-703
RSPAN VLANs 2-707
entering VLAN configuration mode 2-824
VMPS
configuring servers 2-833
reconfirming dynamic VLAN assignments 2-128, 2-831
voice VLANs
enabling 2-761
VoIP
configuring auto-QoS 2-39
VQP
per-server retry count 2-832
reconfirming dynamic VLAN assignments 2-128, 2-831
VTP
configuring the administrative domain name 2-837
configuring the device in VTP client mode 2-836
configuring the device in VTP server mode 2-840
configuring the device in VTP transparent mode 2-841
configuring tunnel encapsulation rate 2-272
creating a VTP domain password 2-838
displaying domain information 2-710
displaying statistics information 2-710
enabling protocol tunneling for 2-267
enabling pruning in the VLAN database 2-839
enabling VTP version 2 mode 2-842
modifying the VTP configuration storage file name 2-835
set drop threshold for 2-270
VTP protocol code
activating debug messages 2-125
deactivating debug messages 2-125
W
Webauth fallback, enabling 2-26