Specifications

Index
IN-11
Catalyst 2950 and Catalyst 2955 Switch Command Reference
78-15304-01
switching characteristics
modifying
2-315
returning to interfaces 2-315
switchport access command 2-311
switchport mode command 2-313
switchport nonegotiate command 2-315
switchport port-security aging command 2-320
switchport port-security command 2-317
switchport priority extend command 2-322
switchport protected command 2-323
switchports, displaying 2-176
switchport trunk command 2-324
switchport voice vlan command 2-327
syslog command A-6
system mtu command 2-329
T
Telnetting to cluster switches 2-139
temperature alarms, setting A-4
test relay command A-21
tips, description xiii
traceroute, Layer 2
See Layer 2 traceroute
2-331
traceroute mac command 2-331
traceroute mac ip command 2-334
trunk ports, configuring 2-313
trunks, to non-DTP device 2-314
trusted boundary for QoS 2-110
U
UDLD
aggressive mode
2-337, 2-339
debug messages, displaying B-25
enabling globally 2-337
enabling per interface 2-339
error recovery timer 2-67
message timer 2-337
normal mode 2-337, 2-339
resetting shutdown interfaces 2-341
status 2-236
udld (global interface) command 2-337
udld (interface configuration) command 2-339
udld reset command 2-341
unicast suppression level
configuring
2-309
displaying 2-232
enabling 2-309
unicast traffic counters 2-182
UniDirectional Link Detection
See UDLD
UplinkFast, for STP
2-302
user EXEC mode 1-2, 1-3
V
vlan (global configuration) command 2-342
vlan (VLAN configuration) command 2-348
VLAN configuration
rules
2-346, 2-350
saving 2-343, 2-352
VLAN configuration mode
commands
VLAN
2-348
VTP 2-368
entering 2-354
summary 1-3
vlan database command 2-354
VLAN ID range 2-342, 2-348
VLAN Query Protocol
See VQP
VLANs
adding
2-342
configuring 2-342, 2-348
debug message display
ISL
B-22
VLAN IOS file system error tests B-21