Cisco Catalyst 2950 Command Reference Manual page 684

Index
preventing from becoming designated
restricting which can be root
root guard
2-452
UplinkFast
2-481
root switch
affects of extended system ID
hello-time
2-483
interval between BDPU messages
interval between hello BPDU messages
max-age
2-483
port priority for selection of
primary or secondary
switch priority 2-483
state changes
blocking to forwarding state
enabling BPDU filtering
enabling BPDU guard
enabling Port Fast
2-475, 2-477
enabling timer to recover from error state
forward-delay time
length of listening and learning states
shutting down Port Fast-enabled ports
state information display
VLAN options
2-470, 2-483
Switched Port Analyzer
See SPAN
switching characteristics
modifying
2-500
returning to interfaces
switchport access command
switchport block command
switchport host 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
2-337
Catalyst 2950 and Catalyst 2955 Switch Command Reference
IN-14
2-452
2-452
2-450, 2-484
2-483
2-483
2-473
2-483
2-477
2-442, 2-475
2-444, 2-475
2-113
2-483
2-483
2-475
2-403
2-500
2-492
2-494
2-496
2-498
2-500
2-506
2-502
2-508
2-510
switchport trunk command
switchport voice vlan command
syslog command
A-6
system mtu command
2-516
T
tar files, creating, listing, and extracting
Telnet, using with cluster switches
temperature alarms, setting
test relay command
A-21
traceroute, Layer 2
See Layer 2 traceroute
traceroute mac command
traceroute mac ip command
trunk ports, configuring
trunks
allowed VLANs
2-511
native VLANs
2-511
pruning-eligible VLAN list
pruning VLANs
2-511
VLAN 1 minimization
trunks, to non-DTP device
trusted boundary for QoS
type command
B-24
U
UDLD
aggressive mode
2-524, 2-526
debug messages, displaying
enabling globally 2-524
enabling per interface
error recovery timer
2-113
message timer
2-524
normal mode 2-524, 2-526
resetting shutdown interfaces
status
2-412
2-511
2-514
2-12
2-257
A-4
2-519
2-522
2-498
2-513
2-512
2-499
2-218
C-28
2-526
2-528
78-11381-12