API Guide

Command Mode EXEC
Usage
Information
Use this command to force the port to re-negotiate with neighbors. If you use this command without
parameters, the command applies to each device port.
Example
OS10# clear spanning-tree detected-protocol interface ethernet 1/1/1
Supported
Release
10.2.0E or later
spanning-tree bpdufilter
Enables or disables BPDU filtering on an interface.
Syntax
spanning-tree bpdufilter {enable | disable}
Parameters
● enable — Enables the BPDU filter on an interface.
● disable — Disables the BPDU filter on an interface.
Default Disabled
Command Mode INTERFACE
Usage
Information
Use the enable parameter to enable BPDU filtering.
Example
OS10(conf-if-eth1/1/4)# spanning-tree bpdufilter enable
Supported
Releases
10.2.0E or later
spanning-tree bpduguard
Enables or disables the BPDU guard on an interface.
Syntax
spanning-tree bpduguard {enable | disable}
Parameters
● enable — Enables the BPDU guard filter on an interface.
● disable — Disables the BPDU guard filter on an interface.
Default Disabled
Command Mode INTERFACE
Usage
Information
BPDU guard prevents a port from receiving BPDUs. If the port receives a BPDU, it is placed in the Error-
Disabled state.
Example
OS10(conf-if-eth1/1/4)# spanning-tree bpduguard enable
Supported
Releases
10.2.0E or later
spanning-tree disable
Disables Spanning-Tree mode configured with the spanning-tree mode command globally on the switch or specified
interfaces.
Syntax
spanning-tree disable
Parameters None
Default Not configured.
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