Cisco Catalyst 3550 series Software Configuration Manual page 988

Index
tunnel ports
802.1Q, configuring 15-6
802.1Q and ACLs
28-3
defined
12-3
described 10-4, 15-1
incompatibilities with other features
twisted-pair Ethernet, detecting unidirectional links
type of service
See TOS
U
UDLD
default configuration 23-4
echoing detection mechanism
enabling
globally
23-5
per interface 23-5
Layer 2 protocol tunneling
link-detection mechanism
neighbor database
23-2
overview 23-1
resetting an interface
23-6
status, displaying
23-7
support for 1-3
UDP, configuring
31-15
unauthorized ports with 802.1X
unequal-cost load balancing, IGRP
unicast MAC address filtering
and adding static addresses
and broadcast MAC addresses
and CPU packets 7-26
and multicast addresses
and router MAC addresses
configuration guidelines
described 7-26
unicast storm control command
unicast storms 21-1
unicast traffic, blocking
Catalyst 3550 Multilayer Switch Software Configuration Guide
IN-40
15-5
23-3
15-9
23-1
9-4
31-25
7-26
7-26
7-26
7-26
7-26
21-4
21-6
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration
facilities supported
message logging configuration
unrecognized Type-Length-Value (TLV) support
23-1
upgrading software images
See downloading
UplinkFast
described
enabling
support for
uploading
configuration files
preparing
reasons for
using FTP
using RCP
using TFTP
image files
preparing
reasons for
using FTP
using RCP
using TFTP
User Datagram Protocol
See UDP
user EXEC mode
username-based authentication
V
version-dependent transparent mode
virtual IP address
cluster standby group
command switch
See also IP addresses
26-11
26-12
26-11
18-4
18-17
1-3
B-10, B-12, B-15
B-8
B-14
B-17
B-11
B-20, B-24, B-28
B-18
B-26
B-31
B-23
2-2
8-7
13-4
6-13, 6-23
6-13, 6-23
13-4
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