Index
IN-73
Catalyst 3750 SwitchSoftware Configuration Guide
OL-8550-09
with ping 49-14
with system message logging 31-1
with traceroute 49-17
trunk failover
See link-state tracking
trunking encapsulation 1-9
trunk ports
configuring 13-21
defined 12-3, 13-3
encapsulation 13-21, 13-26, 13-27
trunks
allowed-VLAN list 13-22
configuring 13-21, 13-26, 13-27
ISL 13-16
load sharing
setting STP path costs 13-26
using STP port priorities 13-25
native VLAN for untagged traffic 13-24
parallel 13-26
pruning-eligible list 13-23
to non-DTP device 13-17
trusted boundary for QoS 35-43
trusted port states
between QoS domains 35-45
classification options 35-6
ensuring port security for IP phones 35-43
support for 1-13
within a QoS domain 35-41
trustpoints, CA 9-51
tunneling
defined 17-1
IEEE 802.1Q 17-1
Layer 2 protocol 17-8
tunnel ports
defined 13-4
described 12-4, 17-1
IEEE 802.1Q, configuring 17-6
incompatibilities with other features 17-6
twisted-pair Ethernet, detecting unidirectional links 28-1
type of service
See ToS
U
UDLD
configuration guidelines 28-4
default configuration 28-4
disabling
globally 28-5
on fiber-optic interfaces 28-5
per interface 28-6
echoing detection mechanism 28-3
enabling
globally 28-5
per interface 28-6
Layer 2 protocol tunneling 17-10
link-detection mechanism 28-1
neighbor database 28-2
overview 28-1
resetting an interface 28-6
status, displaying 28-7
support for 1-8
UDP, configuring 38-16
UDP jitter, configuring 43-10
UDP jitter operation, IP SLAs 43-9
unauthorized ports with IEEE 802.1x 10-11
unicast MAC address filtering 1-6
and adding static addresses 7-29
and broadcast MAC addresses 7-28
and CPU packets 7-28
and multicast addresses 7-28
and router MAC addresses 7-28
configuration guidelines 7-28
described 7-28
unicast storm 25-2
unicast storm control command 25-4
unicast traffic, blocking 25-8
UniDirectional Link Detection protocol