Index
IN-19
Catalyst 3560 Switch Command Reference
78-16405-05
U
UDLD
aggressive mode
2-663, 2-665
debug messages, display B-92
enable globally 2-663
enable per interface 2-665
error recovery timer 2-110
message timer 2-663
normal mode 2-663, 2-665
reset a shutdown interface 2-667
status 2-529
udld command 2-663
udld port command 2-665
udld reset command 2-667
unicast storm control 2-615
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing
2-624
unknown unicast traffic, preventing 2-624
unset (boot loader) command A-24
upgrading
software images
2-7
monitoring status of 2-348
upgrading information
See release notes
UplinkFast, for STP
2-602
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-26
VLAN
enabling guest VLAN supplicant
2-83
vlan (global configuration) command 2-668
vlan (VLAN configuration) command 2-674
vlan access-map command 2-680
VLAN access map configuration mode 2-680
VLAN access maps
actions
2-5
displaying 2-539
VLAN-based QoS 2-274
VLAN configuration
rules
2-671, 2-676
saving 2-668, 2-678
VLAN configuration mode
commands
VLAN
2-674
VTP 2-698
description 1-5
entering 2-682
summary 1-2
vlan database command 2-682
vlan dot1q tag native command 2-685
vlan filter command 2-687
VLAN filters, displaying 2-540
VLAN ID range 2-668, 2-674
VLAN maps
applying
2-687
creating 2-680
defining 2-232
displaying 2-539
VLAN Query Protocol
See VQP
VLANs
adding
2-668
configuring 2-668, 2-674
debug messages, display
ISL
B-88
VLAN IOS file system error tests B-86
VLAN manager activity B-84
VTP B-90
displaying configurations 2-534
extended-range 2-668
MAC addresses
displaying
2-477
number of 2-465