Cisco WS-C2960-24LC-S Software Configuration Manual page 726

Index
traffic suppression
19-1
transmit hold-count
see STP
transparent mode, VTP
13-3, 13-12
trap-door mechanism
3-2
traps
configuring MAC address notification
configuring managers
defined 26-3
enabling
6-22, 26-12
notification types
26-12
overview
26-1, 26-5
troubleshooting
connectivity problems
detecting unidirectional links
displaying crash information
setting packet forwarding
SFP security and identification
show forward command
with CiscoWorks
26-4
with debug commands
with ping
32-13
with system message logging
with traceroute
32-15
trunk failover
See link-state tracking
trunking encapsulation
1-7
trunk ports
configuring 12-17
defined
10-3, 12-3
trunks
allowed-VLAN list
load sharing
setting STP path costs
using STP port priorities
native VLAN for untagged traffic
parallel
12-22
pruning-eligible list
to non-DTP device
12-14
Catalyst 2960 Switch Software Configuration Guide
IN-32
6-22
26-12
32-12, 32-14, 32-15
22-1
32-21
32-20
32-12
32-20
32-18
25-1
12-18
12-22
12-20, 12-21
12-19
12-19
trusted boundary for QoS
trusted port states
between QoS domains
classification options
ensuring port security for IP phones
support for
1-9
within a QoS domain
trustpoints, CA
8-38
twisted-pair Ethernet, detecting unidirectional links
type of service
See ToS
U
UDLD
configuration guidelines
default configuration
disabling
globally 22-5
on fiber-optic interfaces
per interface
22-5
echoing detection mechanism
enabling
globally
22-5
per interface
22-5
link-detection mechanism
neighbor database
22-2
overview
22-1
resetting an interface
status, displaying
22-6
support for
1-6
unauthorized ports with IEEE 802.1x
unicast MAC address filtering
and adding static addresses
and broadcast MAC addresses
and CPU packets 6-25
and multicast addresses
and router MAC addresses
28-36
28-38
28-5
28-36
28-34
22-4
22-4
22-5
22-2
22-1
22-6
9-7
1-4
6-25
6-25
6-25
6-25
OL-8603-04
22-1