Cisco Catalyst 3120

Index
IN-20
Cisco Catalyst Blade Switch 3120 for HP Command Reference
OL-12248-01
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing
2-693
unknown unicast traffic, preventing 2-693
unset (boot loader) command A-24
upgrading
copying software images
2-8
downloading software images 2-11
software images, monitoring status of 2-385
upgrading information
See release notes
UplinkFast, for STP
2-663
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-26
version mismatch mode 2-587
vlan (global configuration) command 2-737
vlan (VLAN configuration) command 2-743
vlan access-map command 2-749
VLAN access map configuration mode 2-749
VLAN access maps
actions
2-6
displaying 2-600
VLAN-based QoS 2-307
VLAN configuration
rules
2-740, 2-745
saving 2-737, 2-747
VLAN configuration mode
commands
VLAN
2-743
VTP 2-767
description 1-5
entering 2-751
summary 1-3
vlan database command 2-751
vlan dot1q tag native command 2-754
vlan filter command 2-756
VLAN filters, displaying 2-601
VLAN ID range 2-737, 2-743
VLAN maps
applying
2-756
creating 2-749
defining 2-264
displaying 2-600
VLAN Query Protocol
See VQP
VLANs
adding
2-737
configuring 2-737, 2-743
debug messages, display
ISL
B-83
VLAN IOS file system error tests B-82
VLAN manager activity B-80
VTP B-85
displaying configurations 2-595
extended-range 2-737
MAC addresses
displaying
2-539
number of 2-527
media types 2-740, 2-745
normal-range 2-737, 2-743
private 2-698
configuring 2-347
displaying 2-595
See also private VLANs
restarting
2-610
saving the configuration 2-737
shutting down 2-610
SNMP traps for VTP 2-613, 2-616
suspending 2-610
variables 2-743
VLAN Trunking Protocol
See VTP
VM mode
2-587