Configuring Optional Spanning-Tree Features; Finding Feature Information; Restriction For Optional Spanning-Tree Features - Cisco Catalyst 2960-XR Configuration Manual

Configuring Optional Spanning-Tree Features

•
•
•
•
•
•
•

Finding Feature Information

Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.

Restriction for Optional Spanning-Tree Features

• PortFast minimizes the time that interfaces must wait for spanning tree to converge, so it is effective
Related Topics
Enabling PortFast, on page 90
PortFast, on page 80
OL-29424-01
Finding Feature Information, page 79
Restriction for Optional Spanning-Tree Features, page 79
Information About Optional Spanning-Tree Features, page 80
How to Configure Optional Spanning-Tree Features, page 90
Monitoring the Spanning-Tree Status, page 102
Additional References for Optional Spanning Tree Features, page 102
Feature Information for Optional Spanning-Tree Features, page 103
only when used on interfaces connected to end stations. If you enable PortFast on an interface connecting
to another switch, you risk creating a spanning-tree loop.
Catalyst 2960-XR Switch Layer 2 Configuration Guide, Cisco IOS Release 15.0(2)EX1
4
C H A P T E R
79