Enabling Portfast Port Types - Cisco Catalyst 2960 series Configuration Manual

How to Configure Optional Spanning-Tree Features
DETAILED STEPS
Command or Action
Step 1
Enter one of the following commands:
• show spanning-tree active
• show spanning-tree mst
Example:
Switch# show spanning-tree active
or
Switch# show spanning-tree mst
Step 2
configure terminal
Example:
Switch# configure terminal
Step 3 spanning-tree loopguard default
Example:
Switch(config)# spanning-tree loopguard default
Step 4 end
Example:
Switch(config)# end
Related Topics
Loop Guard, on page 298

Enabling PortFast Port Types

This section describes the different steps to enable Portfast Port types.
Related Topics
STP PortFast Port Types, on page 298
Configuring the Default Port State Globally
To configure the default PortFast state, perform this task:
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
314
Purpose
Verifies which interfaces are alternate or root
ports.
Enters global configuration mode.
Enables loop guard.
By default, loop guard is disabled.
Returns to privileged EXEC mode.