Understanding Optional Spanning-Tree Features - Cisco Catalyst 2950 Software Configuration Manual
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- Configuration manual (710 pages) ,
- Command reference manual (686 pages) ,
- Software configuration manual (544 pages)
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Configuring Optional Spanning-Tree Features
This chapter describes how to configure optional spanning-tree features on your Catalyst 2950 or
Catalyst 2955 switch. You can configure all of these features when your switch is running the per-VLAN
spanning-tree plus (PVST+). You can configure only the noted features when your switch is running the
Multiple Spanning Tree Protocol (MSTP) or the rapid per-VLAN spanning-tree plus (rapid-PVST+)
protocol.
For information on configuring the PVST+ and rapid PVST+, see
information about the Multiple Spanning Tree Protocol (MSTP) and how to map multiple VLANs to the
same spanning-tree instance, see
For complete syntax and usage information for the commands used in this chapter, see the command
Note
reference for this release.
This chapter consists of these sections:
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Understanding Optional Spanning-Tree Features
These sections describe how the optional spanning-tree features work:
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78-11380-12
Understanding Optional Spanning-Tree Features, page 15-1
Configuring Optional Spanning-Tree Features, page 15-13
Displaying the Spanning-Tree Status, page 15-22
Understanding Port Fast, page 15-2
Understanding BPDU Guard, page 15-2
Understanding BPDU Filtering, page 15-3
Understanding UplinkFast, page 15-3
Understanding Cross-Stack UplinkFast, page 15-5
Understanding BackboneFast, page 15-9
Understanding EtherChannel Guard, page 15-12
Understanding Root Guard, page 15-12
Understanding Loop Guard, page 15-13
Chapter 14, "Configuring MSTP."
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
C H A P T E R
Chapter 13, "Configuring STP."
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For
15-1
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