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IN-40
Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
configuration guidelines 5-28
described 5-28
unicast storm 23-1
unicast storm control command 23-4
unicast traffic, blocking 23-8
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration 29-13
facilities supported 29-14
message logging configuration 29-13
unrecognized Type-Length-Value (TLV) support 14-5
upgrading a Catalyst 2950 switch
configuration compatibility issues D-1
differences in configuration commands D-1
feature behavior incompatibilities D-5
incompatible command messages D-1
recommendations D-1
upgrading software images
See downloading
UplinkFast
described 18-3
disabling 18-16
enabling 18-16
support for 1-8
uploading
configuration files
preparing A-11, A-13, A-16
reasons for A-9
using FTP A-15
using RCP A-18
using TFTP A-12
image files
preparing A-25, A-29, A-33
reasons for A-23
using FTP A-32
using RCP A-36
using TFTP A-28
USB mini-Type B console port 12-11
USB Type A port 1-8
user EXEC mode 2-2
username-based authentication 9-7
V
version-dependent transparent mode 14-5
version-mismatch (VM) mode
automatic upgrades with auto-upgrade 7-10
manual upgrades with auto-advise 7-11
upgrades with auto-extract 7-10
version-mismatch mode
described 7-10
virtual IP address
cluster standby group 6-11
command switch 6-11
virtual switches and PAgP 37-6
vlan.dat file 13-4
VLAN 1, disabling on a trunk port 13-17
VLAN 1 minimization 13-17
vlan-assignment response, VMPS 13-23
VLAN configuration
at bootup 13-7
saving 13-7
VLAN configuration mode 2-2
VLAN database
and startup configuration file 13-7
and VTP 14-1
VLAN configuration saved in 13-7
VLANs saved in 13-4
VLAN filtering and SPAN 27-7
vlan global configuration command 13-6
VLAN ID, discovering 5-31
VLAN load balancing on flex links 19-3
configuration guidelines 19-8
VLAN management domain 14-2
VLAN Management Policy Server
See VMPS
VLAN membership