- 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
Symbols -
Numerics -
A -
B -
C -
D -
E -
F -
G -
H -
I -
J -
L -
M -
N -
O -
P -
Q -
R -
S -
T -
U -
V -
Index
Symbols
$ matches the end of a string 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 2-151
802.1Q trunk ports and native VLANs 2-765
802.1Q tunnel ports
configuring 2-707
802.1S Multiple Spanning Tree
802.1X
configuring for multiple hosts 2-119
configuring for single host 2-119
configuring multiple domains 2-119
disabling port control 2-112
enabling port control 2-112
802.1X Critical Authentication
disabling on a port 2-113
disabling on a VLAN 2-116
EAPOL
disabling send success packets 2-114
enabling send success packets 2-114
enabling on a port 2-113
enabling on a VLAN 2-116
returning delay time to default setting 2-115
setting delay time on a port 2-115
802.1X Port Based Authentication
debugging 802.1X Port Based Authentication 2-74
displaying port based authentication 2-423
enabling accounting for authentication sessions 2-4
enabling authentication on the system 2-130
enabling guest VLAN 2-117
enabling guest VLAN supplicant 2-110, 2-118
enabling manual control of auth state 2-126
enabling periodic re-authentication of the client 2-129
initializing re-authentication of dot1x ports 2-128
initializing state machines 2-121
receive session termination message upon reboot 2-5
setting maximum number for EAP requests 2-124
setting the reauthentication timer 2-131
A
abbreviating commands
context-sensitive help 1-1
Access Gateway Module
connecting to a module 2-17
connecting to a remote module 2-363
connecting to a specific remote module 2-375
access-group
displaying mac interface 2-544
show mode interface 2-395
access groups
IP 2-6
access lists
clearing an access template 2-39
defining ARP 2-16
displaying ARP information 2-398
See also ACLs, MAC ACLs, and VACLs
access maps
applying with VLAN filter 2-767
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 2-146
displaying mac access-group interface 2-544
enabling hardware statisctics 2-146
using ACL naming conventions for MAC ACLs 2-249
action clause
specifying drop or forward action in a VACL 2-13
addresses, configuring a maximum 2-324
adjacency
debugging the adjacency table 2-67
disabling the debug facility 2-67
displaying information about the adjacency table 2-396
displaying IPC table entries 2-67
aggregate policer
displaying information 2-596
aging time
displaying MAC address aging time 2-547
MAC address table 2-252
alarms
displaying operational status 2-427
alternation
description 1-10
anchoring
description 1-10
ARP
access list, displaying detailed information 2-398
defining access-lists 2-16
ARP inspection
enforce certain types of checking 2-168
ARP packet
deny based on DHCP bindings 2-106
permit based on DHCP bindings 2-297
authentication
setting username 2-752
using an MD5-type encryption method 2-752
verifying MD5 signature 2-754
verifying the checksum for Flash memory 2-754
auth fail VLAN
enable on a port 2-111
set max number of attempts 2-110
authorization state
enabling manual control 2-126
authorization state of a controlled port 2-126
automatic installation
displaying status 2-399
automatic medium-dependent interface crossover
Auto-MDIX
disabling 2-279
enabling 2-279
auto-negotiate interface speed
example 2-695
auto-QoS
configuring for VoIP 2-18
displaying configuration 2-400
B
baby giants
displaying the system MTU setting 2-628
setting the maximum Layer 2 payload size 2-732
BackboneFast
displaying debugging messages 2-93
displaying spanning tree status 2-617
enabling debugging 2-93
bandwidth command 2-22
bindings
store for DHCP snooping 2-178
BOOT environment variable
displaying information 2-403
bootflash
displaying information 2-401
BPDUs
debugging spanning tree activities 2-91
bridge protocol data units
broadcast
counters 2-64
broadcast suppression level
C
cable diagnostics
TDR
displaying test results 2-404
testing conditions of copper cables 2-734
Catalyst 4507R 2-320
CDP
configuring tunneling encapsulation rate 2-238
displaying
neighbor information 2-406
enabling protocol tunneling for 2-234
set drop threshold for 2-236
CEF
displaying next-hop information 2-476
displaying VLAN configuration information 2-476
cisco-desktop
macro apply 2-259
Cisco Express Forwarding
cisco-phone
macro apply 2-261
cisco-router
macro apply 2-263
cisco-switch
macro apply 2-265
class maps
creating 2-32
defining the match criteria 2-272
clear commands
clearing Gigabit Ethernet interfaces 2-37
clearing IGMP group cache entries 2-46
clearing interface counters 2-34
clearing IP access lists 2-39, 2-40
clearing IP ARP inspection statistics VLAN 2-41
clearing IP DHCP snooping database statistics 2-45
clearing MFIB counters and routes 2-49
clearing MFIB fastdrop entries 2-50
clearing PAgP channel information 2-55
clearing QoS aggregate counters 2-58
clearing VLAN interfaces 2-38
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 2-69
condition vlan
debugging VLAN output 2-72
configuration, saving 1-11
configuring
root as secondary 2-679
configuring a SPAN session to monitor
limit SPAN source traffic 2-284
configuring forward delay 2-675
configuring root as primary 2-679
CoPP
attaching
policy map to control plane 2-373
displaying
policy-map class information 2-573
entering configuration mode 2-62
removing
service policy from control plane 2-373
CoS
assigning to Layer 2 protocol packets 2-235
CoS QoS default
defining value on an interface 2-343
Cost of Service
counters
clearing interface counters 2-34
D
DAI
clear statistics 2-41
DBL
displaying qos dbl 2-597
enabling DBL globally on the switch 2-344
debug commands
debugging backup events 2-68
debugging DHCP snooping events 2-79
debugging DHCP snooping messages 2-80
debugging EtherChannel/PAgP/shim 2-75
debugging IPC activity 2-78
debugging IP DHCP snooping security messages 2-81
debugging NVRAM activities 2-84
debugging PAgP activities 2-85
debugging port manager activities 2-88
debugging spanning tree activities 2-91
debugging spanning tree backbonefast 2-93
debugging spanning tree UplinkFast 2-96
debugging supervisor redundancy 2-90
debugging VLAN manager activities 2-97
displaying monitor activity 2-83
displaying the adjacency table 2-67
enabling debug dot1x 2-74
enabling debugging messages for ISL VLAN IDs 2-100
enabling debugging messages for VTP 2-101
enabling debugging of UDLD activity 2-102
enabling switch shim debugging 2-94
enabling VLAN manager file system error tests 2-98
limiting debugging output for VLANs 2-72
limiting interface debugging output 2-69
limiting output for debugging standby state changes 2-70
shortcut to the debug condition interface 2-77
debugging
activity monitoring 2-83
DHCP snooping events 2-79
DHCP snooping packets 2-80
IPC activities 2-78
IP DHCP snooping security packets 2-81
NVRAM activities 2-84
PAgP activities 2-85
PAgP shim 2-75
PM activities 2-88
spanning tree BackboneFast events 2-93
spanning tree switch shim 2-94
spanning tree UplinkFast events 2-96
VLAN manager activities 2-97
VLAN manager IOS file system error tests 2-98
VTP protocol debug messages 2-101
debug spanning tree switch 2-94
debug sw-vlan vtp 2-101
default CoS value 2-343
default form of a command, using 1-6
defining egress DSCP-to-CoS mapping 2-350
DHCP
clearing database statistics 2-45
DHCP bindings
configuring bindings 2-177
deny ARP packet based on matches 2-106
permit ARP packet based on matches 2-297
DHCP snooping
clearing binding entries 2-42
clearing database 2-44
displaying binding table 2-479
displaying configuration information 2-477
displaying status of DHCP database 2-482
displaying status of error detection 2-430
enabling DHCP globally 2-176
enabling IP source guard 2-211
enabling on a VLAN 2-185
enabling option 82 2-180, 2-182
enabling option-82 2-187
enabling rate limiting on an interface 2-183
enabling trust on an interface 2-184
establishing binding configuration 2-177
renew binding database 2-365
store generated bindings 2-178
diagnostic test
bootup packet memory 2-417
displaying attributes 2-411
display module-based results 2-413
running 2-109
show results for TDR 2-404
testing conditions of copper cables 2-734
displaying error disable recovery 2-431
displaying inline power status 2-588
displaying monitoring activity 2-83
displaying SEEPROM information
GBIC 2-441
displaying SPAN session information 2-627, 2-697
document conventions 1-xix
document organization 1-xvii
DoS
CoPP
attaching policy map to control plane 2-373
displaying policy-map class information 2-573
entering configuration mode 2-62
removing service policy from control plane 2-373
entering
CoPP configuration mode 2-62
DOS attack
protecting system's resources 2-163
drop threshold, Layer 2 protocol tunneling 2-236
DSCP rewrite for IP packets
enable 2-353
dual-capable port
selecting a connector 2-281
duplex mode
configuring autonegotiation on an interface 2-133
configuring full duplex on an interface 2-133
configuring half duplex on an interface 2-133
dynamic ARP inspection
preventing 2-163
Dynamic Buffer Limiting
Dynamic Host Configuration Protocol
E
EAP
restarting authentication process 2-124
EIGRP (Enhanced IGRP)
filters
routing updates, preventing 2-294
enabling
debugging for UDLD 2-102
voice VLANs 2-700
environmental
alarms 2-427
displaying information 2-427
status 2-427
temperature 2-427
erase a file 2-135
error disable detection
enabling error disable detection 2-138
error-disabled state
displaying 2-460
error disable recovery
configuring recovery mechanism variables 2-140
displaying recovery timer information 2-431
enabling ARP inspection timeout 2-140
specifying recovery cause 2-140
EtherChannel
assigning interfaces to EtherChannel groups 2-25
debugging EtherChannel 2-75
debugging PAgP shim 2-75
debugging spanning tree activities 2-91
displaying information for a channel 2-433
removing interfaces from EtherChannel groups 2-25
EtherChannel guard
detecting STP misconfiguration 2-665
Explicit Host Tracking
clearing the database 2-48
enabling per-VLAN 2-198
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
field replaceable unit (FRU)
displaying status information 2-427
filters
EIGRP
routing updates, preventing 2-294
Flash memory file system
displaying file system information 2-401
verifying checksum 2-754
flow control
configuring a gigabit interface for pause frames 2-143
displaying per-interface statistics for flow control 2-437
G
GBIC
displaying SEEPROM information 2-441
Gigabit Ethernet interface
clearing the hardware logic 2-37
Gigabit Ethernet uplink
selecting 2-151
global configuration mode
using 1-5
H
hardware module
resetting a module by toggling the power 2-148
hardware statistics
disabling 2-146
enabling 2-146
hardware uplink
changing the mode 2-149
selecting the mode 2-151
helper addresses, IP 2-497
hot standby protocol
debugging 2-70
disabling debugging 2-70
limiting output 2-70
I
IDPROMs
displaying SEEPROM information
chassis 2-441
clock module 2-441
fan trays 2-441
module 2-441
mux buffer 2-441
power supplies 2-441
supervisor engine 2-441
ifIndex persistence
clearing SNMP ifIndex commands 2-651
compress SNMP ifIndex table format 2-658
disabling globally 2-657
disabling on an interface 2-653
enabling globally 2-657
enabling on an interface 2-653
IGMP
applying filters for host joining on Layer 2 interfaces 2-189
clearing IGMP group cache entries 2-46
configuring frequency for IGMP host-query messages 2-192
creating an IGMP profile 2-191
displaying IGMP interface configuration information 2-484
displaying profiles 2-486
setting maximum group numbers 2-190
IGMP profiles
displaying 2-486
IGMP snooping
clearing the EHT database 2-48
configuring a Layer 2 interface as a group member 2-202
configuring a Layer 2 interface as a multicast router 2-200
configuring a static VLAN interface 2-202
displaying multicast information 2-493
displaying VLAN information 2-487, 2-491, 2-494
enabling 2-193
enabling immediate-leave processing 2-199
enabling on a VLAN 2-197
enabling per-VLAN Explicit Host Tracking 2-198
informs
enabling 2-655
inline power
displaying inline power status 2-588
In Service Software Upgrade
inspection log
clearing log buffer 2-40
interface
displaying suppressed multicast bytes 2-454
interface capabilities
displaying 2-450
interface configuration mode
summary 1-5
interface link
display cable disconnect time 2-457
interfaces
configuring dot1q tunnel ports 2-707
creating an interface-range macro 2-105
debugging output of interface related activities 2-69
displaying description 2-456
displaying error-disabled state 2-460
displaying information when tunneling is enabled 2-538
displaying status 2-456
displaying traffic for a specific interface 2-447
entering interface configuration mode 2-155
executing a command on multiple ports in a range 2-158
selecting an interface to configure 2-155
setting a CoS value for Layer 2 packets 2-235
setting drop threshold for Layer 2 packets 2-236
setting the interface type 2-707
interface speed
configuring interface speed 2-693
interface transceiver
displaying diagnostic data 2-464
internal VLAN allocation
configuring 2-768
default setting 2-768
displaying allocation information 2-640
Internet Group Management Protocol
IP ARP
applying ARP ACL to VLAN 2-161
clearing inspection statistics 2-41
clearing status of log buffer 2-40
controlling packet logging 2-171
enabling dynamic inspection 2-170
limit rate of incoming requests 2-163
set per-port config trust state 2-167
showing status of dynamic ARP inspection 2-471
showing status of log buffer 2-474
IPC
debugging IPC activities 2-78
IP DHCP Snooping
IP header validation
disabling 2-210
enabling 2-210
IP interfaces
displaying usability status 2-496
IP multicast
displaying multicast routing table information 2-502
IP packets
enable DSCP rewrite 2-353
IP phone and standard desktop
enabling Cisco-recommended features 2-261
IP Port Security
enabling 2-211
IP source binding
adding or deleting 2-207
displaying bindingstagging 2-507
IP source guard
debugging messages 2-81
displaying configuration and filters 2-509
enabling on DHCP snooping 2-211
IPv6 MLD
configuring queries 2-216, 2-218
configuring snooping last-listener-query-intervals 2-218
configuring snooping listener-message-suppression 2-220
configuring snooping robustness-variables 2-221
configuring tcn topology change notifications 2-223
counting snooping last-listener-queries 2-216
displaying information 2-514
displaying ports for a switch or VLAN 2-516
displaying querier information 2-517
enabling snooping 2-214
enabling snooping on a VLAN 2-224
ISSU
canceling process 2-226
configuring rollback timer 2-233
displaying capability 2-519
displaying client information 2-521
displaying compatibility matrix 2-523
displaying endpoint information 2-528
displaying entities 2-529
displaying FSM session 2-530
displaying messages 2-531
displaying negotiated 2-533
displaying rollback-timer 2-534
displaying session information 2-535
displaying software version 2-536
displaying state 2-536
forcing switchover to standby supervisor engine 2-232
loading new image 2-229
starting process 2-231
stopping rollback timer 2-227
J
Jumbo frames
enabling jumbo frames 2-290
L
LACP
deselecting channeling protocol 2-27
enabling LACP on an interface 2-27
setting channeling protocol 2-27
setting system-priority 2-241
Layer 2
displaying ACL configuration 2-544
Layer 2 interface type
specifying a nontrunking, nontagged single VLAN interface 2-707
specifying a trunking VLAN interface 2-707
Layer 2 protocol ports
displaying 2-538
Layer 2 protocol tunneling error recovery 2-238
Layer 2 switching
enabling voice VLANs 2-700
modifying switching characteristics 2-700
Layer 2 traceroute
IP addresses 2-739
Layer 3 switching
displaying information about an adjacency table 2-396
displaying port status 2-462
displaying status of native VLAN tagging 2-462
link-status event messages
disabling
enabling
lldp run command 2-242
log buffer
show status 2-474
logging
controlling IP ARP packets 2-171
M
MAC Access Control Lists
MAC ACLs
defining extended MAC access list 2-249
displaying MAC ACL information 2-637
naming an ACL 2-249
MAC address filtering
configuring 2-258
disabling 2-258
enabling 2-258
MAC address table
adding static entries 2-270
clearing dynamic entries 2-52, 2-54
configuring aging time 2-252
displaying dynamic table entry information 2-551
displaying entry count 2-549
displaying information 2-545
displaying interface-based information 2-553
displaying multicast information 2-555
displaying notification information 2-557
displaying protocol-based information 2-559
displaying static table entry information 2-561
displaying the MAC address aging time 2-547
displaying VLAN-based information 2-564
enabling authentication bypass 2-122
enabling notifications 2-256
learning in the protocol buckets 2-253
removing static entries 2-270
MAC address tables
adding static entries 2-258
deleting secure or specific addresses 2-56
disabling IGMP snooping on static MAC addresses 2-258
removing static entries 2-258
mac-address-table static 2-258
MAC address unicast filtering
dropping unicast traffic 2-258
macro
displaying descriptions 2-269
macro keywords
help strings 2-2
macros
adding a global description 2-269
cisco global 2-267
system-cpp 2-268
mapping secondary VLANs to MST instance 2-333
mapping VLAN(s) to an MST instance 2-153
match (class-map configuration) command 2-272
maximum transmission unit (MTU)
displaying the system MTU setting 2-628
setting the maximum Layer 2 payload size 2-732
MD5
verifying MD5 signature 2-754
message digest 5
MFIB
clearing ip mfib counters 2-49
clearing ip mfib fastdrop 2-50
displaying all active MFIB routes 2-499
displaying MFIB fastdrop table entries 2-501
enabling IP MFIB fastdrops 2-204
MLD
configuring snooping last-listener-query-intervals 2-218
configuring snooping listener-message-suppression 2-220
configuring snooping robustness-variables 2-221
configuring topology change notifications 2-223
counting snooping last-listener-queries 2-216
enabling snooping 2-214
enabling snooping on a VLAN 2-224
MLD snooping
displaying 2-517
modes
access-group 2-6
show access-group interface 2-395
switching between PVST+, MST, and Rapid PVST 2-670
module password clearing 2-36
module reset
resetting a module by toggling the power 2-148
--More-- prompt
filter 1-6
search 1-7
MST
designating the primary and secondary root 2-679
displaying MST protocol information 2-622
displaying region configuration information 2-622
displaying spanning tree information 2-622
entering MST configuration submode 2-673
setting configuration revision number 2-367
setting path cost and port priority for instances 2-671
setting the forward delay timer for all instances 2-675
setting the hello-time delay timer for all instances 2-676
setting the max-age timer for all instances 2-677
setting the MST region name 2-291
specifying the maximum number of hops 2-678
switching between PVST+ and Rapid PVST 2-670
using the MST configuration submode revision command 2-367
using the submode name command 2-291
MTU
displaying global MTU settings 2-628
Multicase Listener Discovery
multicast
counters 2-64
enabling storm control 2-698
multicast/unicast packets
prevent forwarding 2-706
Multicast Forwarding Information Base
multiple-character patterns 1-8
Multiple Spanning Tree
N
native VLAN
controlling tagging of traffic 2-727
displaying ports eligible for native tagging 2-639
displaying ports eligible for tagging 2-639
enabling tagging on 802.1Q trunk ports 2-765
specifing the tagging of traffic 2-728
NetFlow
enabling NetFlow statistics 2-205
including infer fields in routing statistics 2-205
next-hop
displaying CEF VLAN information 2-476
no form of a command, using 1-6
NVRAM
debugging NVRAM activities 2-84
O
output
pattern searches 1-7
P
packet forwarding
prevent unknown packets 2-706
packet memory failure
direct switch action upon detection 2-108
packet memory test
bootup, displaying results 2-417, 2-419
ongoing, displaying results 2-421
PACL
access-group mode 2-6
paging prompt
PAgP
clearing port channel information 2-55
debugging PAgP activity 2-85
deselecting channeling protocol 2-27
displaying port channel information 2-570
hot standby mode
returning to defaults 2-293
selecting ports 2-293
input interface of incoming packets
learning 2-292
returning to defaults 2-292
setting channeling protocol 2-27
parentheses 1-11
password
clearing on an intelligent line module 2-36
establishing enhanced password security 2-752
setting username 2-752
PM activities
debugging 2-88
disabling debugging 2-88
police (percent) command 2-304
police (two rates) command 2-306, 2-308
police command 2-299
policy maps
creating 2-312
marking 2-377
See also QoS, hierarchical policies
traffic classification
defining trust states 2-742
port, dual-capable
selecting the connector 2-281
Port Aggregation Protocol
port-based authentication
displaying debug messages 2-74
displaying statistics and status 2-423
enabling 802.1X 2-126
host modes 2-119
manual control of authorization state 2-126
periodic re-authentication
enabling 2-129
re-authenticating 802.1X-enabled ports 2-128
switch-to-client frame-retransmission number 2-124
port channel
accessing 2-157
creating 2-157
displaying information 2-570
load distribution method
resetting to defaults 2-314
setting 2-314
port range
executing 2-158
port security
debugging ports security 2-89
deleting secure or specific addresses 2-56
displaying settings for an interface or switch 2-581
enabling 2-712
filter source IP and MAC addresses 2-211
setting action upon security violation 2-712
setting the rate limit for bad packets 2-712
sticky port 2-712
Port Trust Device
displaying 2-598
power status
displaying inline power 2-588
displaying power status 2-588
power supply
configuring combined and redundant power on the Catalyst 4507R 2-320
configuring inline power 2-317
configuring power consumption 2-319
displaying the SEEPROM 2-441
setting inline power state 2-316
priority command 2-325
priority-queue command 2-65
Private VLAN
privileged EXEC mode, summary 1-5
prompts
system 1-5
protocol tunneling
configuring encapsulation rate 2-238
disabling 2-234
displaying port information 2-538
enabling 2-234
setting a CoS value for Layer 2 packets 2-235
setting a drop threshold for Layer 2 packets 2-236
PVLANs
configuring isolated, primary, and community PVLANs 2-327
controlling tagging of native VLAN traffic 2-727
disabling sticky-ARP 2-208
displaying map information for VLAN SVIs 2-459
displaying PVLAN information 2-642
enabling interface configuration mode 2-707
enabling sticky-ARP 2-208
mapping VLANs to the same SVI 2-331
specifying host ports 2-707
specifying promiscuous ports 2-707
PVST+
switching between PVST and MST 2-670
Q
QoS
account Layer 2 encapsulation 2-336
attaching a policy-map to an interface 2-368
automatic configuration 2-18
class maps
creating 2-32
defining the match criteria 2-272
clearing aggregate counters 2-58
configuring auto 2-18
defining a named aggregate policer 2-338
defining default CoS value 2-343
defining ingress CoS-to-DSCP mapping 2-348
displaying aggregate policer information 2-596
displaying auto configuration 2-400
displaying class maps information 2-409
displaying configuration information 2-400
displaying configurations of policies 2-576
displaying policy map information 2-572, 2-579
displaying QoS information 2-595
displaying QoS map information 2-600
egress queue-sets
enabling the priority queue 2-65
enabling global configuration mode 2-334
enabling on control packets 2-341
enabling per-VLAN QoS for a Layer 2 interface 2-356
enabling QoS on an interface 2-335
hierarchical policies
average-rate traffic shaping on a class 2-388
bandwidth allocation for a class 2-22, 2-31
creating a service policy 2-371
marking 2-377
strict priority queueing (LLQ) 2-325
mapping DSCP values to transmit queues 2-350
mapping egress DSCP-to-CoS 2-350
mapping the DSCP-to-CoS value 2-350
policy maps
creating 2-312
marking 2-377
trust states 2-742
setting the mapping of policed DSCP values 2-352
setting the trust state 2-354
specifying flow-based match criteria 2-275
Supervisor Engine 6-E
setting CoS 2-379
setting DSCP 2-381
setting precedence values 2-384
setting QoS group identifiers 2-387
QoS CoS
configuring for tunneled Layer 2 protocol packets 2-235
defining default CoS value 2-343
qos dbl 2-344
quality of service
question command 1-1
queueing information
displaying 2-598
R
Rapid PVST
switching between PVST and MST 2-670
re-authenticating 802.1X-enabled ports 2-128
re-authentication
periodic 2-129
set the time 2-131
reboots
restoring bindings across 2-177
redundancy
accessing the main CPU 2-358
changing from active to standby supervisor engine 2-361
displaying information 2-602
displaying ISSU config-sync failure information 2-606
displaying redundancy facility information 2-602
displaying RF client list 2-602
displaying RF operational counters 2-602
displaying RF states 2-602
enabling automatic synchronization 2-21
forcing switchover to standby supervisor engine 2-361
mismatched command listing 2-359
set the mode 2-282
synchronizing the route processor configurations 2-270
related documentation 1-xvii
remote SPAN
renew commands
ip dhcp snooping database 2-365
resetting PVLAN trunk
setting switchport to trunk 2-707
rj45 connector, selecting the connector 2-281
ROM monitor mode
summary 1-6
Route Processor Redundancy
RPF
disabling IPv4 exists-only checks 2-213
enabling IPv4 exists-only checks 2-213
RPR
set the redundancy mode 2-282
RSPAN
converting VLAN to RSPAN VLAN 2-364
displaying list 2-644
S
saving configuration changes 1-11
secure address, configuring 2-322
secure ports, limitations 2-713
service-policy command (policy-map class) 2-371
set the redundancy mode 2-282
sfp connector, selecting the connector 2-281
shape command 2-388
show commands
filtering parameters 1-7
searching and filtering 1-6
show platform commands 1-11
Simple Network Management Protocol
single-character patterns
special characters 1-7
slaveslot0
displaying information on the standby supervisor 2-613
slot0
displaying information about the system 2-615
SNMP
debugging spanning tree activities 2-91
ifIndex persistence
clearing SNMP ifIndex commands 2-651
compress SNMP ifIndex table format 2-658
disabling globally 2-657
disabling on an interface 2-653
enabling globally 2-657
enabling on an interface 2-653
informs
disabling 2-655
enabling 2-655
traps
configuring to send when storm occurs 2-696
disabling 2-655
enabling 2-655
mac-notification
adding 1
removing 1
SPAN commands
configuring a SPAN session to monitor 2-284
displaying SPAN session information 2-627, 2-697
SPAN enhancements
displaying status 2-568
Spanning Tree Protocol
SPAN session
displaying session information 2-568
filter ACLs 2-284
specify encap type 2-284
turn off host learning based on ingress packets 2-284
special characters
anchoring, table 1-10
SSO 2-282
standard desktop
enabling Cisco-recommended features 2-259
standard desktop and Cisco IP phone
enabling Cisco-recommended features 2-261
sticky address, configuring 2-323
sticky-ARP
disabling on PVLANs 2-208
enabling on PVLANs 2-208
sticky port
deleting 2-56
enabling security 2-712
storm control
configuring for action when storm occurs 2-696
disabling suppression mode 2-430
displaying settings 2-625
enabling 2-696
enabling broadcast 2-696, 2-698
enabling multicast 2-696, 2-698
enabling suppression mode 2-430
enabling timer to recover from error disable 2-140
multicast, enabling 2-698
setting high and low levels 2-696
setting suppression level 2-430
STP
configuring link type for a port 2-668
configuring tunneling encapsulation rate 2-238
debugging all activities 2-91
debugging spanning tree activities 2-91
debugging spanning tree BackboneFast events 2-93
debugging spanning tree UplinkFast 2-96
detecting misconfiguration 2-665
displaying active interfaces only 2-617
displaying BackboneFast status 2-617
displaying bridge status and configuration 2-617
displaying spanning tree debug messages 2-91
displaying summary of interface information 2-617
enabling BPDU filtering by default on all PortFast ports 2-684
enabling BPDU filtering on an interface 2-661
enabling BPDU guard by default on all PortFast ports 2-686
enabling BPDU guard on an interface 2-663
enabling extended system ID 2-666
enabling loop guard as a default on all ports 2-669
enabling PortFast by default on all access ports 2-687
enabling PortFast mode 2-682
enabling protocol tunneling for 2-234
enabling root guard 2-667
enabling spanning tree BackboneFast 2-660
enabling spanning tree on a per VLAN basis 2-691
enabling spanning tree UplinkFast 2-689
setting an interface priority 2-688
setting drop threshold for 2-236
setting pathcost 2-664
setting the default pathcost calculation method 2-681
subinterface configuration mode, summary 1-6
SVI
creating a Layer 3 interface on a VLAN 2-160
switching characteristics
excluding from link-up calculation 2-704
modifying 2-704
returning to interfaces
capture function 2-704
switchport 2-728
switchport interfaces
displaying status of Layer 3 port 2-462
displaying status of native VLAN tagging 2-462
switch shim
debugging 2-94
disabling debugging 2-94
switch to router connection
enabling Cisco-recommended features 2-263
switch to switch connection
enabling Cisco-recommended features 2-265
switch virtual interface
sw-vlan 2-97
system prompts 1-5
T
Tab key
command completion 1-1
tables
characters with special meaning 1-7
mac access-list extended subcommands 2-249
multipliers 1-9
relationship between duplex and speed commands 2-694
show cable-diagnostics tdr command output fields 2-405
show cdp neighbors detail field descriptions 2-408
show cdp neighbors field descriptions 2-407
show ip interface field descriptions 2-497
show policy-map control-plane field descriptions 2-575
show vlan command output fields 2-643
show vtp command output fields 2-648
special characters 1-9
special characters used for anchoring 1-10
speed command options 2-275, 2-694
valid interface types 2-155
TAC
displaying information useful to TAC 2-629
TCAM
debugging spanning tree activities 2-91
TDR
displaying cable diagnostic test results 2-404
test condition of copper cables 2-734
temperature readings
displaying information 2-427
Ten-Gigabit Ethernet uplink
blocking ports on redundant Supervisor Engine 6-E 2-149
timer information 2-431
traffic shaping
enable on an interface 2-390
traps, enabling 2-655
trunk encapsulation
setting format 2-728
trunk interfaces
displaying trunk interfaces information 2-469
trust state
setting 2-167
tunnel ports
displaying information about Layer 2 protocol 2-538
TX queues
allocating bandwidth 2-744
returning to default values 2-744
setting priority to high 2-744
specifying burst size 2-744
specifying traffic rate 2-744
U
UDLD
displaying administrative and operational status 2-631
enabling by default on all fiber interfaces 2-746
enabling on an individual interface 2-748
preventing a fiber interface from being enabled 2-748
resetting all shutdown ports 2-750
setting the message timer 2-746
unicast
counters 2-64
Unidirectional Link Detection
unknown multicast traffic, preventing 2-706
unknown unicast traffic, preventing 2-706
user EXEC mode, summary 1-5
username
setting password and privilege level 2-752
V
VACLs
access-group mode 2-6
applying VLAN access maps 2-767
displaying VLAN access map information 2-637
specifying an action in a VLAN access map 2-13
specifying the match clause for a VLAN access-map sequence 2-271
using a VLAN filter 2-767
VLAN
applying an ARP ACL 2-161
configuring 2-756
configuring service policies 2-761
converting to RSPAN VLAN 2-364
displaying CEF information 2-476
displaying CEF next-hop information 2-476
displaying information on switch interfaces 2-487, 2-491
displaying information on VLAN switch interfaces 2-494
displaying information sorted by group IP address 2-487, 2-491
displaying IP address and version information 2-487, 2-491
displaying Layer 2 VLAN information 2-633
displaying statistical information 2-566
displaying VLAN information 2-635
enabling dynamic ARP inspection 2-170
enabling Explicit Host Tracking 2-198
enabling guest per-port 2-117
enabling guest VLAN supplicant 2-110, 2-118
entering VLAN configuration mode 2-761, 2-763
native frames
enabling tagging on all 802.1Q trunk ports 2-765
pruning the list for VTP 2-728
setting the list of allowed 2-728
VLAN Access Control Lists
VLAN access map
VLAN database
resetting 2-366
VLAN debugging
limiting output 2-72
VLAN link-up calculation
excluding a switch port 2-704
including a switch port 2-704
VLAN manager
debugging 2-97
disabling debugging 2-97
IOS file system error tests
debugging 2-98
disabling debugging 2-98
VLAN Query Protocol
VLAN query protocol (VQPC)
debugging 2-104
VLANs
clearing
counters 2-60
clearing hardware logic 2-38
configuring
internal allocation scheme 2-768
displaying
internal VLAN allocation information 2-640
RSPAN VLANs 2-644
entering VLAN configuration mode 2-763
VMPS
configuring servers 2-772
reconfirming dynamic VLAN assignments 2-104, 2-770
voice VLANs
enabling 2-700
VoIP
configuring auto-QoS 2-18
VQP
per-server retry count 2-771
reconfirming dynamic VLAN assignments 2-104, 2-770
VTP
configuring the administrative domain name 2-776
configuring the device in VTP client mode 2-775
configuring the device in VTP server mode 2-779
configuring the device in VTP transparent mode 2-780
configuring tunnel encapsulation rate 2-238
creating a VTP domain password 2-777
displaying domain information 2-647
displaying statistics information 2-647
enabling protocol tunneling for 2-234
enabling pruning in the VLAN database 2-778
enabling VTP version 2 mode 2-781
modifying the VTP configuration storage file name 2-774
set drop threshold for 2-236
VTP protocol code
activating debug messages 2-101
deactivating debug messages 2-101
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