Index
IN-3
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
authentication (continued)
RADIUS
defined 8-17
key 8-21
login 8-23
TACACS+
defined 8-11
key 8-13
login 8-14
See also port-based authentication
authentication failed VLAN
See restricted VLAN
authoritative time source, described 7-2
authorization
with RADIUS 8-27
with TACACS+ 8-11, 8-16
authorized ports with IEEE 802.1x 9-4
autoconfiguration 4-3, 4-10
automatic discovery
considerations
beyond a noncandidate device 6-8
brand new switches 6-8
connectivity 6-5
management VLANs 6-7
non-CDP-capable devices 6-6
noncluster-capable devices 6-6
in switch clusters 6-5
See also CDP
automatic QoS
See QoS
automatic recovery, clusters 6-9
See also HSRP
autonegotiation
interface configuration guidelines 10-10
mismatches 31-13
auxiliary VLAN
See voice VLAN
B
BackboneFast
described 15-9
enabling 15-19
support for 1-5
banners
configuring
login 7-18
message-of-the-day login 7-17
default configuration 7-17
when displayed 7-17
binding database, DHCP snooping
See DHCP snooping binding database
binding table, DHCP snooping
See DHCP snooping binding database
blocking packets 21-5
booting
boot loader, function of 4-2
boot process 4-1
manually 4-14
specific image 4-15
boot loader
accessing 4-16
described 4-2
environment variables 4-16
prompt 4-16
trap-door mechanism 4-2
BPDU
error-disabled state 15-2
filtering 15-3
RSTP format 14-9
BPDU filtering
described 15-3
enabling 15-16
support for 1-5
BPDU guard
described 15-2
enabling 15-15