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Spanning-tree portfast bpdu-filter – Allied Telesis AT-S83 User Manual

Page 261

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AT-S83 Management Software Command Line Interface User’s Guide

261

SPANNING-TREE PORTFAST BPDU-FILTER

Syntax

spanning-tree portfast bpdu-filter

no spanning-tree portfast bpdu-filter

Parameters

none

Description

Use the Use the SPANNING-TREE BPDU-FILTER command to set a
portfast BPDU filter for the bridge. Interfaces that are set to the default
value take the same value of the BPDU filter as that of the bridge.

The Spanning Tree Protocol sends BPDUs from all interfaces. Enabling
the BPDU Filter feature ensures that portfast-enabled interfaces do not
transmit or receive any BPDUs.

Use the SHOW SPANNING-TREE command to display the configured
and currently running values of the BPDU-filter parameter for the bridge
and interface.

Use the no form of this command to disable the BPDU filter for the bridge.

Command Mode

Configuration Terminal mode

Example

The following commands set the PortFast BPDU filter for the bridge:

switch#configure terminal

switch(config)#spanning-tree portfast bpdu-filter

Related Commands

none