Cisco WS-C2955T-12 User Manual

Contents
viii
Catalyst 2900 Series XL and Catalyst 3500 SeriesXL Software Configuration Guide
78-6511-08
Configuring STP 6-33
Supported STP Instances 6-33
Using STP to Support Redundant Connectivity 6-34
Disabling STP 6-34
Accelerating Aging to Retain Connectivity 6-34
Configuring STP and UplinkFast in a Cascaded Cluster 6-35
Configuring Redundant Links By Using STP UplinkFast 6-36
Enabling STP UplinkFast 6-37
Configuring Cross-Stack UplinkFast 6-37
How CSUF Works 6-37
Events that Cause Fast Convergence 6-39
Limitations 6-39
Connecting the Stack Ports 6-40
Configuring Cross-Stack UplinkFast 6-41
Changing the STP Parameters for a VLAN 6-42
Changing the STP Implementation 6-42
Changing the Switch Priority 6-42
Changing the BPDU Message Interval 6-43
Changing the Hello BPDU Interval 6-43
Changing the Forwarding Delay Time 6-43
STP Port States 6-44
Enabling the Port Fast Feature 6-44
Changing the Path Cost 6-45
Changing the Port Priority 6-45
Configuring STP Root Guard 6-46
Configuring BPDU Guard 6-47
Configuring SNMP 6-48
Disabling and Enabling SNMP 6-48
Entering Community Strings 6-49
Adding Trap Managers 6-49
Configuring TACACS+ 6-51
Configuring the TACACS+ Server Host 6-51
Configuring Login Authentication 6-52
Specifying TACACS+ Authorization for EXEC Access and Network Services 6-53
Starting TACACS+ Accounting 6-54
Configuring a Switch for Local AAA 6-54
Controlling Switch Access with RADIUS 6-55
Understanding RADIUS 6-55
RADIUS Operation 6-56

Cisco WS-C2955T-12 Specifications

General

Brand	Cisco
Model	WS-C2955T-12
Category	Switch
Language	English