Cisco Catalyst 2950 Command Reference Manual page 406

Index
preventing from becoming designated
restricting which can be root
root guard
2-251
UplinkFast
2-281
root switch
affects of extended system ID
hello-time
2-283
interval between BDPU messages
interval between hello BPDU messages
max-age
2-283
port priority for selection of
primary or secondary
switch priority
2-283
state changes
blocking to forwarding state
enable timer to recover from error state
enabling BPDU filtering
enabling BPDU guard
enabling Port Fast 2-275, 2-277
forward-delay time
length of listening and learning states
shutting down Port Fast-enabled ports
state information display
VLAN options
2-270, 2-283
Switched Port Analyzer
See SPAN
switching characteristics
modifying
2-294
returning to interfaces
switchport access command
switchport mode command
switchport nonegotiate command
switchport port-security aging command
switchport port-security command
switchport priority extend command
switchport protected command
switchports, displaying
2-159
switchport trunk command
switchport voice vlan command
Catalyst 2950 Desktop Switch Command Reference
IN-10
2-251
2-251
2-249, 2-284
2-283
2-283
2-273
2-283
2-277
2-58
2-243, 2-275
2-245, 2-275
2-283
2-283
2-275
2-207
2-294
2-290
2-292
2-294
2-300
2-296
2-302
2-303
2-304
2-307
system mtu command
2-309
T
TAC xv
technical assistance
Cisco.com
xv
TAC xv
TAC website xv
toll-free telephone numbers
Telnetting to cluster switches
tips, description xii
trunk ports, configuring
trunks, to non-DTP device
trusted boundary for QoS
U
UDLD
aggressive mode
2-311, 2-313
debug messages, displaying
enabling globally
2-311
enabling per interface
error recovery timer 2-58
message timer 2-311
normal mode
2-311, 2-313
resetting shutdown interfaces
status 2-216
udld (global interface) command
udld (interface configuration) command
udld reset command 2-315
unicast suppression level
configuring
2-288
displaying 2-212
enabling 2-288
unicast traffic counters
2-164
UniDirectional Link Detection
See UDLD
xvi
2-126
2-292
2-293
2-97
A-23
2-313
2-315
2-311
2-313
78-11381-05