Cisco WS-C3550-12G Software Configuration Manual page 794

Index
troubleshooting
connectivity problems
detecting
EtherChannel misconfigurations
unidirectional links
determining packet disposition
displaying crash information
PIMv1 and PIMv2 interoperability problems
show forward command
with CiscoWorks
18-3
with debug commands
with ping 27-11
with system message logging
with traceroute
27-12
trunking encapsulation 1-3
trunk ports
configuring
9-25
defined 8-3, 9-3
encapsulation 9-25, 9-31, 9-32
trunks
allowed-VLAN list
9-27
configuring 9-25, 9-31, 9-32
encapsulation
9-24
Fast Ethernet
9-22
Gigabit Ethernet 9-22
interacting with other features
ISL
9-22
load sharing
setting STP path costs
using STP port priorities
native VLAN for untagged traffic
parallel 9-32
pruning-eligible list 9-28
to non-DTP device
9-23
understanding 9-22
twisted-pair Ethernet, detecting unidirectional links
type-of-service
See TOS
Catalyst 3550 Multilayer Switch Software Configuration Guide
IN-34
27-11
10-37
14-1
27-15
27-17
24-28
27-15
27-14
17-1
9-24
9-32
9-30
9-29
U
UDLD
default configuration
echoing detection mechanism
enabling
globally
per interface
link-detection mechanism
neighbor database
overview
resetting an interface
status, displaying
support for
UDP, configuring
unauthorized ports with 802.1X
unequal-cost load balancing, IGRP
unicast storm control command
unicast storms
unicast traffic, blocking
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration
facilities supported
message logging configuration
unrecognized Type-Length-Value (TLV) support
upgrading software images
See downloading
UplinkFast
described
redundant links
support for
14-1
14-3
14-2
14-3
14-4
14-1
14-2
14-1
14-4
14-5
1-3
22-19
7-4
22-31
12-3
12-1
12-6
17-11
17-12
17-11
10-12
10-34
1-3
9-6
78-11194-03