Table Of Contents
Numerics - A - B - C - D - E - F - G - H - I - J - L - M - N - P - Q - R - S - T - U - V -
Index
Numerics
802.1X
and switchport modes 2-394
See also port-based authentication
violation error recovery 2-78
A
aaa authentication dot1x command 2-1
AAA methods 2-1
abort command 2-441
access control entries
See ACEs
access control lists
See ACLs
access groups
IP 2-87
MAC, displaying 2-249
access lists
IP 2-87
on Layer 2 interfaces 2-87
access map configuration mode 2-112
access mode 2-393
access ports 2-393
ACEs 2-59, 2-167
ACLs
deny 2-57
displaying 2-193
for non-IP protocols 2-106
matching 2-112
permit 2-165
action command 2-3
address aliasing 2-156
aggregate-port learner 2-161
allowed VLANs 2-406
apply command 2-441
archive download-sw command 2-5
archive tar command 2-7
archive upload-sw command 2-10
audience xv
authorization state of controlled port 2-66
autonegotiation of duplex mode 2-74
auto qos voip command 2-12
B
BackboneFast, for STP 2-339
boot (boot loader) command A-2
boot boothlpr command 2-16
boot config-file command 2-17
boot enable-break command 2-18
boot helper command 2-19
boot helper-config file command 2-20
booting
displaying environment variables 2-199
interrupting 2-18
IOS image 2-23
manually 2-21
boot loader
accessing A-1
booting
helper image 2-19
IOS image A-2
directories
creating A-15
displaying a list of A-7
removing A-19
displaying
available commands A-12
memory heap utilization A-14
version A-26
environment variables
described A-20
displaying settings A-20
location of A-22
setting A-20
unsetting A-24
files
copying A-5
deleting A-6
displaying a list of A-7
displaying the contents of A-4, A-16, A-23
renaming A-17
file system
formatting A-10
initializing Flash A-9
running a consistency check A-11
loading helper images A-13
prompt A-1
resetting the system A-18
boot manual command 2-21
boot private-config-file command 2-22
boot system command 2-23
BPDU filtering, for spanning tree 2-340, 2-370
BPDU guard, for spanning tree 2-342, 2-370
broadcast storm control 2-387
broadcast traffic counters 2-237
C
candidate switches
See clusters
cat (boot loader) command A-4
caution, description xvi
channel-group command 2-24
channel-protocol command 2-27
class command 2-28
class-map command 2-30
class maps
creating 2-30
defining the match criteria 2-114
displaying 2-201
class of service
See CoS
clear lacp command 2-32
clear mac-address-table command 2-33
clear pagp command 2-34
clear setup express command 2-35
clear spanning-tree counters command 2-36
clear spanning-tree detected-protocols command 2-37
clear vmps statistics command 2-38
clear vtp counters command 2-39
cluster commander-address command 2-40
cluster discovery hop-count command 2-42
cluster enable command 2-43
cluster holdtime command 2-45
cluster member command 2-46
cluster outside-interface command 2-48
cluster run command 2-49
clusters
adding candidates 2-46
binding to HSRP group 2-50
building manually 2-46
communicating with
devices outside the cluster 2-48
members by using Telnet 2-177
debug messages, display B-4
clusters (continued)
displaying
candidate switches 2-204
debug messages B-4
member switches 2-206
status 2-202
hop-count limit for extended discovery 2-42
HSRP standby groups 2-50
redundancy 2-50
SNMP trap 2-330
cluster standby-group command 2-50
cluster timer command 2-52
command modes defined 1-2
command switch
See clusters
configuration files
password recovery disable considerations A-1
specifying the name 2-17, 2-22
configuring multiple interfaces 2-84
config-vlan mode
commands 2-427
description 1-5
entering 2-426
summary 1-2
conventions
command xvi
for examples xvi
publication xvi
text xvi
copy (boot loader) command A-5
CoS
assigning default value to incoming packets 2-121
overriding the incoming value 2-121
CoS-to-DSCP map 2-125
CPU ASIC statistics, displaying 2-208
D
debug autoqos command B-2
debug cluster command B-4
debug dot1x command B-6
debug dtp command B-7
debug etherchannel command B-8
debug interface command B-9
debug ip igmp filter command B-10
debug ip igmp max-groups command B-11
debug ip igmp snooping command B-12
debug lacp command B-13
debug mac-notification command B-14
debug matm command B-15
debug monitor command B-16
debug mvrdbg command B-17
debug nvram command B-18
debug pagp command B-19
debug platform acl command B-20
debug platform cpu-queues command B-21
debug platform dot1x command B-23
debug platform etherchannel command B-24
debug platform forw-tcam command B-25
debug platform ip igmp snooping command B-26
debug platform led command B-28
debug platform matm command B-29
debug platform messaging application command B-30
debug platform phy command B-31
debug platform pm command B-33
debug platform port-asic command B-35
debug platform port-security command B-36
debug platform qos-acl-tcam command B-37
debug platform remote-commands command B-38
debug platform resource-manager command B-39
debug platform snmp command B-40
debug platform span command B-41
debug platform supervisor-asic command B-42
debug platform sw-bridge command B-43
debug platform tcam command B-44
debug platform udld command B-46
debug platform vlan command B-47
debug pm command B-48
debug port-security command B-50
debug qos-manager command B-51
debug spanning-tree backbonefast command B-54
debug spanning-tree bpdu command B-55
debug spanning-tree bpdu-opt command B-56
debug spanning-tree command B-52
debug spanning-tree mstp command B-57
debug spanning-tree switch command B-59
debug spanning-tree uplinkfast command B-61
debug sw-vlan command B-62
debug sw-vlan ifs command B-64
debug sw-vlan notification command B-65
debug sw-vlan vtp command B-67
debug udld command B-69
debug vqpc command B-71
define interface-range command 2-53
delete (boot loader) command A-6
delete command 2-55
deny command 2-57
detect mechanism, causes 2-76
dir (boot loader) command A-7
directories, deleting 2-55
documentation
feedback xviii
obtaining
CD-ROM xvii
world wide web xvii
ordering xviii
related xvii
document conventions xvi
domain name, VTP 2-450, 2-454
dot1x default command 2-60
dot1x guest-vlan command 2-61
dot1x host-mode command 2-62
dot1x initialize command 2-63
dot1x max-req command 2-64
dot1x multiple-hosts command 2-65
dot1x port-control command 2-66
dot1x re-authenticate command 2-68
dot1x re-authentication command 2-69
dot1x reauthentication command 2-70
dot1x system-auth-control command 2-71
dot1x timeout command 2-72
dropping packets, with ACL matches 2-3
DSCP-to-CoS map 2-125
DSCP-to-DSCP-mutation map 2-125
DTP 2-394
DTP flap
error detection for 2-76
error recovery timer 2-78
duplex command 2-74
dynamic-access ports
configuring 2-389
restrictions 2-390
dynamic auto VLAN membership mode 2-393
dynamic desirable VLAN membership mode 2-393
Dynamic Trunking Protocol
See DTP
E
EAP-request/identity frame
maximum number to send 2-64
response time before retransmitting 2-72
encapsulation methods 2-406
environment variables, displaying 2-199
errdisable detect cause command 2-76
errdisable recovery command 2-78
error conditions, displaying 2-224
error disable detection 2-76
error-disabled interfaces, displaying 2-231
EtherChannel
assigning Ethernet interface to channel group 2-24
creating port-channel logical interface 2-82
debug EtherChannel/PAgP, display B-8
debug platform-specific events, display B-24
displaying 2-228
interface information, displaying 2-231
LACP
clearing channel-group information 2-32
debug messages, display B-13
displaying 2-245
modes 2-24
port priority for hot-standby ports 2-98
restricting a protocol 2-27
system priority 2-100
load-distribution methods 2-174
PAgP
aggregate-port learner 2-161
clearing channel-group information 2-34
debug messages, display B-19
displaying 2-292
error detection for 2-76
error recovery timer 2-78
learn method 2-161
modes 2-24
physical-port learner 2-161
priority of interface for transmitted traffic 2-163
Ethernet controller, internal register display 2-210
Ethernet statistics, collecting 2-181
examples, conventions for xvi
exit command 2-441
extended discovery of candidate switches 2-42
extended-range VLANs
and allowed VLAN list 2-406
and pruning-eligible list 2-406
configuring 2-426
extended system ID for STP 2-346
F
fan information, displaying 2-221
feedback to Cisco Systems, web xviii
file name, VTP 2-450
files, deleting 2-55
flash_init (boot loader) command A-9
flowcontrol command 2-80
format (boot loader) command A-10
forwarding packets, with ACL matches 2-3
forwarding results, display C-5
frame forwarding information, displaying C-5
fsck (boot loader) command A-11
G
global configuration mode 1-2, 1-4
H
hardware ACL statistics 2-193
help (boot loader) command A-12
hop-count limit for clusters 2-42
host connection, port configuration 2-392
HSRP
binding HSRP group to cluster 2-50
standby group 2-50
I
IGMP filters
applying 2-91
debug messages, display B-10
IGMP groups, setting maximum 2-92
IGMP maximum groups, debugging B-11
IGMP profiles
creating 2-93
displaying 2-239
IGMP snooping
displaying 2-240, 2-242
enabling 2-95
images
See software images
Immediate-Leave feature, MVR 2-158
Immediate-Leave processing 2-95
interface command 2-86
interface configuration mode 1-2, 1-4
interface port-channel command 2-82
interface range command 2-84
interface-range macros 2-53
interfaces
assigning Ethernet interface to channel group 2-24
configuring 2-74
configuring multiple 2-84
creating port-channel logical 2-82
debug messages, display B-9
disabling 2-328
displaying the MAC address table 2-261
restarting 2-328
interface speed, configuring 2-379
internal registers, displaying 2-210, 2-214
ip address command 2-89
IP addresses, setting 2-89
IP address matching 2-112
ip igmp filter command 2-91
ip igmp max-groups command 2-92
ip igmp profile command 2-93
ip igmp snooping command 2-95
IP multicast addresses 2-155
IP phones
auto-QoS configuration 2-12
trusting packets sent from 2-148
IP-precedence-to-DSCP map 2-125
J
jumbo frames. See MTU
L
LACP
See EtherChannel
lacp port-priority command 2-98
lacp system-priority command 2-100
Layer 2 traceroute
IP addresses 2-416
MAC addresses 2-413
line configuration mode 1-3, 1-6
Link Aggregation Control Protocol
See EtherChannel
link flap
error detection for 2-76
error recovery timer 2-78
load_helper (boot loader) command A-13
load-distribution methods for EtherChannel 2-174
logging file command 2-102
logical interface 2-82
loopback error
detection for 2-76
recovery timer 2-78
loop guard, for spanning tree 2-347, 2-351
M
mac access-group command 2-104
MAC access-groups, displaying 2-249
MAC access list configuration mode 2-106
mac access-list extended command 2-106
MAC access lists 2-57
MAC addresses
displaying
aging time 2-255
all 2-253
dynamic 2-259
Layer 2 multicast entries 2-263
notification settings 2-265
number of addresses in a VLAN 2-257
per interface 2-261
per VLAN 2-269
static 2-267
static and dynamic entries 2-251
dynamic
aging time 2-108
deleting 2-33
displaying 2-259
enabling MAC address notification 2-109
matching 2-112
static
adding and removing 2-111
displaying 2-267
tables 2-253
MAC address notification, debugging B-14
mac address-table aging-time 2-104, 2-112
mac-address-table aging-time command 2-108
mac-address-table notification command 2-109
mac-address-table static command 2-111
macros, interface range 2-53, 2-84
manual
audience xv
purpose of xv
maps
QoS
defining 2-125
displaying 2-278
VLAN
creating 2-438
defining 2-112
displaying 2-319
match (access-map configuration) command 2-112
match (class-map configuration) command 2-114
maximum transmission unit
See MTU
mdix auto command 2-116
member switches
See clusters
memory (boot loader) command A-14
mkdir (boot loader) command A-15
mls qos aggregate-policer command 2-119
mls qos command 2-117
mls qos cos command 2-121
mls qos dscp-mutation command 2-123
mls qos map command 2-125
mls qos queue-set output buffers command 2-128
mls qos queue-set output threshold command 2-130
mls qos srr-queue input bandwidth command 2-132
mls qos srr-queue input buffers command 2-134
mls qos-srr-queue input cos-map command 2-136
mls qos srr-queue input dscp-map command 2-138
mls qos srr-queue input priority-queue command 2-140
mls qos srr-queue input threshold command 2-142
mls qos-srr-queue output cos-map command 2-144
mls qos srr-queue output dscp-map command 2-146
mls qos trust command 2-148
mode, MVR 2-155
Mode button, and password recovery 2-182
modes, commands 1-2
monitor session command 2-150
more (boot loader) command A-16
MSTP
displaying 2-303
interoperability 2-37
link type 2-349
MSTP (continued)
MST region
aborting changes 2-355
applying changes 2-355
configuration name 2-355
configuration revision number 2-355
current or pending display 2-355
displaying 2-303
MST configuration mode 2-355
VLANs-to-instance mapping 2-355
path cost 2-357
protocol mode 2-353
restart protocol migration process 2-37
root port
loop guard 2-347
preventing from becoming designated 2-347
restricting which can be root 2-347
root guard 2-347
root switch
affects of extended system ID 2-346
hello-time 2-360, 2-366
interval between BDPU messages 2-361
interval between hello BPDU messages 2-360, 2-366
max-age 2-361
maximum hop count before discarding BPDU 2-362
port priority for selection of 2-363
primary or secondary 2-366
switch priority 2-365
state changes
blocking to forwarding state 2-372
enabling BPDU filtering 2-340, 2-370
enabling BPDU guard 2-342, 2-370
enabling Port Fast 2-370, 2-372
forward-delay time 2-359
length of listening and learning states 2-359
rapid transition to forwarding 2-349
shutting down Port Fast-enabled ports 2-370
state information display 2-302
MTU
configuring size 2-411
displaying global setting 2-310
multicast group address, MVR 2-158
multicast groups, MVR 2-156
multicast router learning method 2-95
multicast router ports, configuring 2-95
multicast storm control 2-387
multicast traffic counters 2-237
multicast VLAN, MVR 2-155
multicast VLAN registration
See MVR
multiple hosts on authorized port 2-62
Multiple Spanning Tree Protocol
See MSTP
MVR
and address aliasing 2-156
configuring 2-155
configuring interfaces 2-158
debug messages, display B-17
displaying 2-286
displaying interface information 2-288
members, displaying 2-290
mvr (global configuration) command 2-155
mvr (interface configuration) command 2-158
mvr vlan group command 2-159
N
native VLANs 2-406
non-IP protocols
denying 2-57
forwarding 2-165
non-IP traffic access lists 2-106
non-IP traffic forwarding
denying 2-57
permitting 2-165
normal-range VLANs 2-426, 2-432
note, description xvi
no vlan command 2-426, 2-436
P
PAgP
See EtherChannel
pagp learn-method command 2-161
pagp port-priority command 2-163
password, VTP 2-450, 2-454
password-recovery mechanism, enabling and disabling 2-182
permit command 2-165
per-VLAN spanning-tree plus
See STP
physical-port learner 2-161
PIM-DVMRP, as multicast router learning method 2-95
police aggregate command 2-170
police command 2-168
policed-DSCP map 2-125
policy-map command 2-172
policy maps
applying to an interface 2-184, 2-188
creating 2-172
displaying 2-294
policers
displaying 2-272
for a single class 2-168
for multiple classes 2-119, 2-170
policed-DSCP map 2-125
traffic classification
defining the class 2-28
defining trust states 2-419
setting DSCP or IP precedence values 2-186
Port Aggregation Protocol
See EtherChannel
port-based authentication
AAA method list 2-1
debug messages, display B-6
enabling 802.1X
globally 2-71
per interface 2-66
guest VLAN 2-61
host modes 2-62
initialize an interface 2-63
manual control of authorization state 2-66
multiple hosts on authorized port 2-62
periodic re-authentication
enabling 2-70
time between attempts 2-72
quiet period between failed authentication exchanges 2-72
re-authenticating 802.1X-enabled ports 2-68
resetting configurable 802.1X parameters 2-60
statistics and status display 2-216
switch-to-authentication server retransmission time 2-72
switch-to-client frame-retransmission number 2-64
switch-to-client retransmission time 2-72
port-channel load-balance command 2-174
Port Fast, for spanning tree 2-372
port ranges, defining 2-53
ports, debugging B-48
ports, protected 2-405
port security
aging 2-401
debug messages, display B-50
enabling 2-397
violation error recovery 2-78
port trust states for QoS 2-148
port types, MVR 2-158
power information, displaying 2-221
privileged EXEC mode 1-2, 1-3
protected ports, displaying 2-235
pruning
VLANs 2-406
VTP
displaying interface information 2-231
enabling 2-450, 2-454
pruning-eligible VLAN list 2-408
publications for products, technologies, and network solutions xix
PVST+
See STP
Q
QoS
auto-QoS
configuring 2-12
debug messages, display B-2
displaying 2-196
class maps
creating 2-30
defining the match criteria 2-114
displaying 2-201
defining the CoS value for an incoming packet 2-121
displaying configuration information 2-196, 2-271
DSCP trusted ports
applying DSCP-to-DSCP-mutation map to 2-123
defining DSCP-to-DSCP-mutation map 2-125
egress queues
allocating buffers 2-128
defining the CoS output queue threshold map 2-144
defining the DSCP output queue threshold map 2-146
displaying buffer allocations 2-275
displaying CoS output queue threshold map 2-278
displaying DSCP output queue threshold map 2-278
displaying queueing strategy 2-275
displaying queue-set settings 2-281
enabling bandwidth shaping and scheduling 2-383
enabling bandwidth sharing and scheduling 2-385
limiting the maximum output on a port 2-381
QoS, egress queues (continued)
mapping a port to a queue-set 2-176
mapping CoS values to a queue and threshold 2-144
mapping DSCP values to a queue and threshold 2-146
setting maximum and reserved memory allocations 2-130
setting WTD thresholds 2-130
enabling 2-117
ingress queues
allocating buffers 2-134
assigning SRR scheduling weights 2-132
defining the CoS input queue threshold map 2-136
defining the DSCP input queue threshold map 2-138
displaying buffer allocations 2-275
displaying CoS input queue threshold map 2-278
displaying DSCP input queue threshold map 2-278
displaying queueing strategy 2-275
displaying settings for 2-273
enabling the priority queue 2-140
mapping CoS values to a queue and threshold 2-136
mapping DSCP values to a queue and threshold 2-138
setting WTD thresholds 2-142
maps
defining 2-125, 2-136, 2-138, 2-144, 2-146
displaying 2-278
policy maps
applying an aggregate policer 2-170
applying to an interface 2-184, 2-188
creating 2-172
defining policers 2-119, 2-168
displaying policers 2-272
displaying policy maps 2-294
policed-DSCP map 2-125
setting DSCP or IP precedence values 2-186
traffic classifications 2-28
trust states 2-419
port trust states 2-148
QoS (continued)
statistics
in-profile and out-of-profile packets 2-275
packets enqueued or dropped 2-275
sent and received CoS values 2-275
sent and received DSCP values 2-275
trusted boundary for IP phones 2-148
quality of service
See QoS
querytime, MVR 2-155
queue-set command 2-176
R
rapid per-VLAN spanning-tree plus
See STP
rapid PVST+
See STP
rcommand command 2-177
re-authenticating 802.1X-enabled ports 2-68
re-authentication
periodic 2-70
time between attempts 2-72
receiver ports, MVR 2-158
receiving flow-control packets 2-80
recovery mechanism
causes 2-78
display 2-222, 2-226
timer interval 2-78
redundancy for cluster switches 2-50
remote-span command 2-179
Remote Switched Port Analyzer
See RSPAN
rename (boot loader) command A-17
reset (boot loader) command A-18
reset command 2-441
rmdir (boot loader) command A-19
rmon collection stats command 2-181
root guard, for spanning tree 2-347
RSPAN
configuring 2-150
displaying 2-283
filter RSPAN traffic 2-150
remote-span command 2-179
sessions
add interfaces to 2-150
displaying 2-283
start new 2-150
S
secure ports, limitations 2-398
sending flow-control packets 2-80
service password-recovery command 2-182
service-policy command 2-184
set (boot loader) command A-20
set command 2-186
setup command 2-188
setup express command 2-191
show access-lists command 2-193
show auto qos command 2-196
show boot command 2-199
show changes command 2-441
show class-map command 2-201
show cluster candidates command 2-204
show cluster command 2-202
show cluster members command 2-206
show controllers cpu-interface command 2-208
show controllers ethernet-controller command 2-210
show controllers tcam command 2-214
show current command 2-441
show dot1x command 2-216
show dtp 2-219
show env command 2-221
show errdisable detect command 2-222
show errdisable flap-values command 2-224
show errdisable recovery command 2-226
show etherchannel command 2-228
show interfaces command 2-231
show interfaces counters command 2-237
show ip igmp profile command 2-239
show ip igmp snooping command 2-240
show ip igmp snooping mrouter command 2-242
show ip igmp snooping multicast command 2-243
show lacp command 2-245
show mac access-group command 2-249
show mac-address-table address command 2-253
show mac-address-table aging time command 2-255
show mac-address-table command 2-251
show mac-address-table count command 2-257
show mac-address-table dynamic command 2-259
show mac-address-table interface command 2-261
show mac address-table multicast command 2-263
show mac-address-table notification command 2-265
show mac-address-table static command 2-267
show mac-address-table vlan command 2-269
show mls qos aggregate-policer command 2-272
show mls qos command 2-271
show mls qos input-queue command 2-273
show mls qos interface command 2-275
show mls qos maps command 2-278
show mls qos queue-set command 2-281
show monitor command 2-283
show mvr command 2-286
show mvr interface command 2-288
show mvr members command 2-290
show pagp command 2-292
show platform acl command C-2
show platform configuration command C-3
show platform etherchannel command C-4
show platform forward command C-5
show platform igmp snooping command C-7
show platform layer4op command C-9
show platform mac-address-table command C-10
show platform messaging command C-11
show platform monitor command C-12
show platform mvr table command C-13
show platform pm command C-14
show platform port-asic command C-15
show platform port-security command C-19
show platform qos command C-20
show platform resource-manager command C-21
show platform snmp counters command C-23
show platform spanning-tree command C-24
show platform stp-instance command C-25
show platform tcam command C-26
show platform vlan command C-28
show policy-map command 2-294
show port security command 2-295
show proposed command 2-441
show running-config vlan command 2-298
show sdm prefer command 2-300
show setup express command 2-301
show spanning-tree command 2-302
show storm-control command 2-308
show system mtu command 2-310
show trust command 2-419
show udld command 2-311
show version command 2-314
show vlan access-map command 2-319
show vlan command 2-316
show vlan command, fields 2-317
show vlan filter command 2-320
show vmps command 2-321
show vtp command 2-324
shutdown command 2-328
shutdown vlan command 2-329
SNMP host, specifying 2-333
SNMP informs, enabling the sending of 2-330
snmp-server enable traps command 2-330
snmp-server host command 2-333
snmp trap mac-notification command 2-337
SNMP traps
enabling MAC address notification trap 2-337
enabling the MAC address notification feature 2-109
enabling the sending of 2-330
software images
deleting 2-55
downloading 2-5
upgrading 2-5
uploading 2-10
software version, displaying 2-314
source ports, MVR 2-158
SPAN
configuring 2-150
debug messages, display B-16
displaying 2-283
filter SPAN traffic 2-150
sessions
add interfaces to 2-150
displaying 2-283
start new 2-150
spanning-tree backbonefast command 2-339
spanning-tree bpdufilter command 2-340
spanning-tree bpduguard command 2-342
spanning-tree cost command 2-344
spanning-tree extend system-id command 2-346
spanning-tree guard command 2-347
spanning-tree link-type command 2-349
spanning-tree loopguard default command 2-351
spanning-tree mode command 2-353
spanning-tree mst configuration command 2-355
spanning-tree mst cost command 2-357
spanning-tree mst forward-time command 2-359
spanning-tree mst hello-time command 2-360
spanning-tree mst max-age command 2-361
spanning-tree mst max-hops command 2-362
spanning-tree mst port-priority command 2-363
spanning-tree mst priority command 2-365
spanning-tree mst root command 2-366
spanning-tree portfast (global configuration) command 2-370
spanning-tree portfast (interface configuration) command 2-372
spanning-tree port-priority command 2-368
Spanning Tree Protocol
See STP
spanning-tree uplinkfast command 2-374
spanning-tree vlan command 2-376
speed command 2-379
srr-queue bandwidth limit command 2-381
srr-queue bandwidth shape command 2-383
srr-queue bandwidth share command 2-385
static-access ports, configuring 2-389
statistics, Ethernet group 2-181
sticky learning, enabling 2-397
storm-control command 2-387
STP
BackboneFast 2-339
counters, clearing 2-36
debug messages, display
BackboneFast events B-54
MSTP B-57
optimized BPDUs handling B-56
spanning-tree activity B-52
switch shim B-59
transmitted and received BPDUs B-55
UplinkFast B-61
detection of indirect link failures 2-339
extended system ID 2-346
path cost 2-344
protocol modes 2-353
root port
accelerating choice of new 2-374
loop guard 2-347
preventing from becoming designated 2-347
restricting which can be root 2-347
root guard 2-347
UplinkFast 2-374
STP (continued)
root switch
affects of extended system ID 2-346, 2-377
hello-time 2-376
interval between BDPU messages 2-376
interval between hello BPDU messages 2-376
max-age 2-376
port priority for selection of 2-368
primary or secondary 2-376
switch priority 2-376
state changes
blocking to forwarding state 2-372
enabling BPDU filtering 2-340, 2-370
enabling BPDU guard 2-342, 2-370
enabling Port Fast 2-370, 2-372
enabling timer to recover from error state 2-78
forward-delay time 2-376
length of listening and learning states 2-376
shutting down Port Fast-enabled ports 2-370
state information display 2-302
VLAN options 2-365, 2-376
Switched Port Analyzer
See SPAN
switching characteristics
modifying 2-395
returning to interfaces 2-395
switchport access command 2-389
switchport block command 2-391
switchport host command 2-392
switchport mode command 2-393
switchport nonegotiate command 2-395
switchport port-security aging command 2-401
switchport port-security command 2-397
switchport priority extend command 2-403
switchport protected command 2-405
switchports, displaying 2-231
switchport trunk command 2-406
switchport voice vlan command 2-409
system message logging, save message to Flash 2-102
system mtu command 2-411
T
TAC
toll-free telephone numbers xix
website xviii
tar files, creating, listing, and extracting 2-7
technical assistance
case priority definitions xix
opening a case xix
TAC website xviii
toll-free telephone numbers xix
Telnetting to cluster switches 2-177
temperature information, displaying 2-221
traceroute mac command 2-413
traceroute mac ip command 2-416
trunking, VLAN mode 2-393
trunk mode 2-393
trunk ports 2-393
trunks, to non-DTP device 2-394
trusted boundary for QoS 2-148
trusted port states for QoS 2-148
type (boot loader) command A-23
U
UDLD
aggressive mode 2-421, 2-423
debug messages, display B-69
enable globally 2-421
enable per interface 2-423
error recovery timer 2-78
message timer 2-421
normal mode 2-421, 2-423
reset a shutdown interface 2-425
status 2-311
udld (global configuration) command 2-421
udld (interface configuration) command 2-423
udld reset command 2-425
unicast storm control 2-387
unicast traffic counters 2-237
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing 2-391
unknown unicast traffic, preventing 2-391
unset (boot loader) command A-24
upgrading, software images 2-5
UplinkFast, for STP 2-374
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-26
vlan (global configuration) command 2-426
vlan (VLAN configuration) command 2-432
vlan access-map command 2-438
VLAN access map configuration mode 2-438
VLAN access maps
actions 2-3
displaying 2-319
VLAN configuration
rules 2-430, 2-434
saving 2-426, 2-436
VLAN configuration mode
commands
VLAN 2-432
VTP 2-454
description 1-5
entering 2-440
summary 1-3
vlan database command 2-440
vlan filter command 2-443
VLAN filters, displaying 2-320
VLAN ID range 2-426, 2-432
VLAN maps
applying 2-443
creating 2-438
defining 2-112
displaying 2-319
VLAN Query Protocol
See VQP
VLANs
adding 2-426
configuring 2-426, 2-432
debug messages, display
ISL B-65
VLAN IOS file system error tests B-64
VLAN manager activity B-62
VTP B-67
displaying configurations 2-298, 2-316
extended-range 2-426
MAC addresses
displaying 2-269
number of 2-257
media types 2-429, 2-434
normal-range 2-426, 2-432
restarting 2-329
saving the configuration 2-426
shutting down 2-329
SNMP traps for VTP 2-331, 2-334
suspending 2-329
variables 2-432
VLAN Trunking Protocol
See VTP
VMPS
configuring servers 2-448
displaying 2-321
error recovery timer 2-78
reconfirming dynamic VLAN assignments 2-445
vmps reconfirm (global configuration) command 2-446
vmps reconfirm (privileged EXEC) command 2-445
vmps retry command 2-447
vmps server command 2-448
voice VLAN
configuring 2-409
setting port priority 2-403
VQP
and dynamic-access ports 2-390
clearing client statistics 2-38
displaying information 2-321
per-server retry count 2-447
reconfirmation interval 2-446
reconfirming dynamic VLAN assignments 2-445
VTP
changing characteristics 2-450
clearing pruning counters 2-39
configuring
domain name 2-450, 2-454
file name 2-450
mode 2-450, 2-454
password 2-450, 2-454
counters display fields 2-325
displaying information 2-324
enabling
pruning 2-450, 2-454
version 2 2-450, 2-454
mode 2-450, 2-454
pruning 2-450, 2-454
saving the configuration 2-426, 2-436
statistics 2-324
status 2-324
status display fields 2-326
vtp (global configuration) command 2-450
vtp (VLAN configuration) command 2-454