network segment. All other ports are blocked, which means that they are prevented from forwarding traffic.

The device supports the following STP versions:

z

z

Classic STP: Provides a single path between end stations, avoiding and eliminating loops.

Rapid STP: Detects and uses network topologies that provide faster convergence of the spanning tree, without creating forwarding loops. While Classic STP prevents Layer 2 forwarding loops in a general network topology, convergence can take between 30-60 seconds.

This section contains the following topics:

z

z

z

Defining STP Global Parameters

Modifying STP Interface Parameters

Viewing STP

Defining STP Global Parameters

The STP Global Setup Page allows network managers to assign STP global settings.

Click Device > Spanning Tree > Setup. The STP Global Setup Page opens.

Figure 3-34STP Global Setup Page

The STP Global Setup Page contains the following fields:

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3Com 3CBLSF26H manual Defining STP Global Parameters