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Catalyst 2950 Desktop Switch Software Configuration Guide
78-14982-01
neighbor database 19-2
overview 19-1
resetting an interface 19-5
status, displaying 19-6
unauthorized ports with 802.1X 8-4
UniDirectional Link Detection protocol
See UDLD
UNIX syslog servers
daemon configuration
23-11
facilities supported 23-12
message logging configuration 23-11
unrecognized Type-Length-Value (TLV) support 15-4
upgrade 10-15
behavior details 10-18
configuring for 10-15
conrtoller configuration 10-17
example 10-18
global configuration 10-17
performing 10-15, 10-16
upgrading software, VLAN considerations 15-8
upgrading software images
See downloading
UplinkFast
described
13-4
enabling 13-17
support for 1-4
uploading
configuration files
preparing
B-11, B-13, B-17
reasons for B-9
using FTP B-15
using RCP B-18
using TFTP B-12
image files
preparing
B-22, B-25, B-29
reasons for B-20
using FTP B-28
using RCP B-32
using TFTP B-24
user EXEC mode 2-2
username-based authentication 7-7
V
verifying changes in CMS 3-32
version-dependent transparent mode 15-4
virtual IP address
cluster standby group
6-13, 6-23
command switch 6-13, 6-23
See also IP addresses
vlan.dat file
14-4
VLAN configuration
at bootup
14-7
saving 14-7
VLAN configuration mode 2-3, 14-6
VLAN database
and startup configuration file
14-7
and VTP 15-1
VLAN configuration saved in 14-7
VLANs saved in 14-4
vlan database command 14-6
vlan global configuration command 14-6
VLAN ID, discovering 7-61
VLAN management domain 15-2
VLAN Management Policy Server
See VMPS
VLAN membership
confirming
14-30
modes 3-9, 14-3
VLAN Query Protocol
See VQP
VLANs
adding
14-8
adding to VLAN database 14-8
aging dynamic addresses 11-9
allowed on trunk 14-19
and spanning-tree instances 14-2, 14-6, 14-13
configuration guidelines, normal-range VLANs 14-5