Cisco Catalyst 3750 - Page 1153

Index
IN-21
Catalyst 3750 Switch Command Reference
OL-8552-07
U
UDLD
aggressive mode 878, 880
debug messages, display 104
enable globally 878
enable per interface 880
error recovery timer 186
message timer 878
normal mode 878, 880
reset a shutdown interface 882
status 722
udld command 878
udld port command 880
udld reset command 882
unicast storm control 816
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing 837
unknown unicast traffic, preventing 837
unset (boot loader) command 24
upgrading
software images
copying 8
downloading 11
monitoring status of 489
UplinkFast, for STP 800
user EXEC mode 2, 3
V
version (boot loader) command 26
version mismatch mode 717, 39
vlan (global configuration) command 883
vlan (VLAN configuration) command 889
vlan access-map command 895
VLAN access map configuration mode 895
VLAN access maps
actions 6
displaying 732
VLAN-based QoS 390
VLAN configuration
rules 886, 891
saving 883, 893
VLAN configuration mode
commands
VLAN 889
VTP 913
description 5
entering 897
summary 3
vlan database command 897
vlan dot1q tag native command 900
vlan filter command 902
VLAN filters, displaying 734
VLAN ID range 883, 889
VLAN maps
applying 902
creating 895
defining 349
displaying 732
VLAN Query Protocol
See VQP
VLANs
adding 883
configuring 883, 889
debug messages, display
ISL 100
VLAN IOS file system error tests 98
VLAN manager activity 96
VTP 102
displaying configurations 727
enabling guest VLAN supplicant 131, 142, 191
extended-range 883