
Index
IN-15
Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-02
syslog command A-6
system mtu command 2-507
T
tar files, creating, listing, and extracting 2-12
Telnet, using with cluster switches 2-254
temperature alarms, setting A-4
test relay command A-21
traceroute, Layer 2
See Layer 2 traceroute
traceroute mac command 2-509
traceroute mac ip command 2-512
trunk ports, configuring 2-489
trunks
allowed VLANs 2-502
native VLANs 2-502
pruning-eligible VLAN list 2-504
pruning VLANs 2-502
VLAN 1 minimization 2-503
trunks, to non-DTP device 2-490
trusted boundary for QoS 2-216
type command B-23
U
UDLD
aggressive mode 2-514, 2-516
debug messages, displaying C-28
enabling globally 2-514
enabling per interface 2-516
error recovery timer 2-112
message timer 2-514
normal mode 2-514, 2-516
resetting shutdown interfaces 2-518
status 2-405
udld command 2-514
udld port command 2-516
udld reset command 2-518
unicast suppression level
configuring 2-480
displaying 2-401
enabling 2-480
UniDirectional Link Detection
See UDLD
unknown multicast traffic, preventing 2-485
unknown unicast traffic, preventing 2-485
unset (boot loader) command B-24
upgrade binary command 2-519
upgrade preserve command 2-520
upgrading software images 2-10
UplinkFast, for STP 2-472
upstream power back-off
configuring 2-180
supported values 2-181
user EXEC mode 1-2, 1-3
V
version command B-26
VLAN
enabling guest VLAN supplicant 2-89
vlan (global configuration) command 2-521
vlan (VLAN configuration) command 2-527
VLAN configuration
rules 2-524, 2-529
saving 2-521, 2-531
VLAN configuration mode
commands
VLAN 2-527
VTP 2-547
entering 2-533
summary 1-3
vlan database command 2-533
VLAN ID range 2-521, 2-527
VLAN Query Protocol
See VQP
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