Cisco 2950 - Catalyst Switch Configuration Manual page 707

U
UDLD
default configuration
23-4
echoing detection mechanism
enabling
globally
23-5
per interface 23-5
link-detection mechanism
neighbor database
23-2
overview
23-1
resetting an interface 23-6
status, displaying 23-7
unauthorized ports with 802.1x
unicast MAC address filtering
and adding static addresses
and broadcast MAC addresses
and CPU packets 8-27
and multicast addresses
and router MAC addresses
configuration guidelines
described 8-27
unicast traffic, blocking
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration
facilities supported
27-12
message logging configuration
unrecognized Type-Length-Value (TLV) support
upgrade
behavior details 13-26
configuring for
13-24
controller configuration
example 13-26
global configuration 13-25
LRE switch firmware upgrade
performing
13-24
upgrading software, VLAN considerations
78-11380-10
23-3
23-1
10-4
8-27
8-27
8-27
8-27
8-27
22-6
27-11
27-11
18-4
13-25
13-23
18-8
upgrading software images
See downloading
UplinkFast
described
16-3
enabling 16-16
support for
1-4
uploading
configuration files
preparing B-11, B-13, B-16
reasons for
using FTP
using RCP
using TFTP
image files
preparing B-21, B-24, B-28
reasons for
using FTP
using RCP
using TFTP
upstream power back-off
user EXEC mode
username-based authentication
V
version-dependent transparent mode
virtual IP address
cluster standby group
command switch
See also IP addresses
vlan.dat file
17-4
VLAN 1 minimization, support for
VLAN configuration
at bootup
17-7
saving 17-7
VLAN configuration mode
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
B-8
B-14
B-18
B-12
B-19
B-27
B-31
B-23
1-8, 13-21
2-2
9-7
18-4
7-12, 7-21
7-12, 7-21
1-5
2-2, 17-6
Index
IN-31