Reference Guide

A bridge that receives a RLQ request and does not have connectivity to the root (switch bridge ID is
dierent from the root bridge ID in the query) or is the root bridge immediately answers the query with
its root bridge ID.
RLQ responses are flooded on designated ports.
Default NA
Format spanning-tree backbonefast
Mode Global Config
no spanning-tree backbonefast
This command disables backbonefast.
Note
PVRSTP embeds support for FastBackbone and FastUplink. Even if FastUplink and
FastBackbone are configured, they are eective only in PVSTP mode.
Format no spanning-tree backbonefast
Mode Global Config
spanning-tree bpdufilter
Use this command to enable BPDU Filter on an interface or range of interfaces.
Default
Disabled
Format spanning-tree bpdufilter
Mode Interface Config
no spanning-tree bpdufilter
Use this command to disable BPDU Filter on the interface or range of interfaces.
Default
Disabled
Format no spanning-tree bpdufilter
Mode Interface Config
spanning-tree bpdufilter default
Use this command to enable BPDU Filter on all the edge port interfaces.
Switching Commands
ExtremeSwitching 200 Series: Command Reference Guide for version 01 .02.04.0007 287