Cisco Catalyst 3750-X

Index
IN-22
Catalyst 3750-X and 3560-X Switch Command Reference
OL-29704-01
U
UDLD
aggressive mode
2-971, 2-973
debug messages, display B-105
enable globally 2-971
enable per interface 2-973
error recovery timer 2-220
message timer 2-971
normal mode 2-971, 2-973
reset a shutdown interface 2-975
status 2-818
udld command 2-971
udld port command 2-973
udld reset command 2-975
unicast storm control 2-910
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing
2-929
unknown unicast traffic, preventing 2-929
unset (boot loader) command A-28
upgrading
copying software images
2-10
downloading software images 2-13
software images, monitoring status of 2-563
UplinkFast, for STP 2-893
usb-inactivity-timeout (console configuration)
command
2-976
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-30
version mismatch mode 2-811, C-40
vlan (global configuration) command 2-977
vlan access-map command 2-982
VLAN access map configuration mode 2-982
VLAN access maps
actions
2-8
displaying 2-828
VLAN-based QoS 2-430
VLAN configuration
rules
2-980
saving 2-977
VLAN configuration mode
description
1-4
entering 2-977
summary 1-3
vlan dot1q tag native command 2-984
vlan filter command 2-986
VLAN filters, displaying 2-829
VLAN ID range 2-977
VLAN maps
applying
2-986
creating 2-982
defining 2-381
displaying 2-828
VLAN Query Protocol
See VQP
VLANs
adding
2-977
configuring 2-977
debug messages, display
ISL
B-101
VLAN IOS file system error tests B-100
VLAN manager activity B-98
VTP B-103
displaying configurations 2-823
extended-range 2-977
MAC addresses
displaying
2-739
number of 2-730
media types 2-980
normal-range 2-977
private 2-935
configuring 2-504
displaying 2-823
See also private VLANs