Cisco Catalyst 3550 - Page 792

Index
IN-18
Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
trunks (continued)
pruning VLANs 2-598
to non-DTP device 2-584
VLAN 1 minimization 2-600
trusted boundary for QoS 2-258
trusted port states for QoS 2-258
tunnel ports, Layer 2 protocol, displaying 2-407
type (boot loader) command A-23
U
UDLD
aggressive mode 2-614, 2-616
debug messages, display B-53
enable globally 2-614
enable per interface 2-616
error recovery timer 2-113
message timer 2-614
normal mode 2-614, 2-616
reset a shutdown interface 2-618
status 2-487
udld command 2-614
udld port command 2-616
udld reset command 2-618
unicast FIB, debugging B-24
unicast routes, debugging B-23
unicast storm control 2-567
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing 2-579
unknown unicast traffic, preventing 2-579
unset (boot loader) command A-24
upgrading software images
from a server 2-10
monitoring status of 2-316
UplinkFast, for STP 2-560
user EXEC mode 1-2, 1-3
V
version (boot loader) command A-26
VLAN
enabling guest VLAN supplicant 2-79, 2-90, 2-115
vlan (global configuration) command 2-619
vlan (VLAN configuration) command 2-625
vlan access-map command 2-631
VLAN access map configuration mode 2-631
VLAN access maps
actions 2-8
displaying 2-496
VLAN configuration
rules 2-622, 2-627
saving 2-619, 2-629
VLAN configuration mode
commands
VLAN 2-625
VTP 2-652
description 1-4
entering 2-633
summary 1-2
vlan database command 2-633
vlan dot1q tag native command 2-637
vlan filter command 2-639
VLAN filters, displaying 2-497
VLAN ID range 2-619, 2-625
vlan labels 2-360, 2-365, 2-480
VLAN maps
applying 2-639
creating 2-631
defining 2-233
displaying 2-496
VLAN Query Protocol
See VQP
VLANs
adding 2-619
configuring 2-619, 2-625
debug message display