Cisco Catalyst 2950 Software Configuration Manual page 671

U
UDLD
default configuration
22-4
echoing detection mechanism
enabling
globally
22-5
per interface
22-6
link-detection mechanism
neighbor database
22-2
overview
22-1
resetting an interface 22-6
status, displaying 22-7
unauthorized ports with IEEE 802.1x
unicast MAC address filtering
and adding static addresses
and broadcast MAC addresses
and CPU packets
7-25
and multicast addresses
and router MAC addresses
configuration guidelines
described
7-25
unicast storm control
See storm control
unicast traffic, blocking
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration
facilities supported
26-12
message logging configuration
unrecognized Type-Length-Value (TLV) support
upgrade
behavior details
12-26
configuring for
12-24
controller configuration
example
12-27
global configuration
12-25
LRE switch firmware upgrade
78-11380-12
22-3
22-1
9-4
7-25
7-25
7-25
7-25
7-25
21-5
26-11
26-11
17-4
12-25
12-24
performing
12-24, 12-25
upgrading software, VLAN considerations
upgrading software images
See downloading
UplinkFast
described
15-3
enabling
15-17
support for
1-5
uploading
configuration files
preparing
B-10, B-13, B-16
reasons for
using FTP
using RCP
using TFTP
image files
preparing
B-22, B-25, B-29
reasons for
using FTP
using RCP
using TFTP
upstream power back-off
user EXEC mode
username-based authentication
V
version-dependent transparent mode
vlan.dat file 16-4
VLAN 1 minimization, support for
VLAN configuration
at bootup 16-7
saving 16-7
VLAN configuration mode
VLAN database
and startup configuration file
and VTP
17-1
VLAN configuration saved in
VLANs saved in
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
B-8
B-14
B-18
B-12
B-19
B-27
B-32
B-24
1-9, 12-21
2-2
8-7
17-4
1-6
2-2, 16-6
16-7
16-7
16-4
Index
17-8
IN-29