Users Guide

clear spanning-tree detected-protocol
Forces the MST ports to renegotiate with neighbors.
Syntax
clear spanning-tree detected-protocol [interface {ethernet node/slot/
port[:subport] | port-channel number}]
Parameters
• interface — Enter the interface type:
• ethernet node/slot/port[:subport] — Enter the Ethernet interface information, from 1 to 48.
• port-channel number — Enter the port-channel number, from 1 to 128.
Default Not configured
Command Mode EXEC
Usage Information Use this command to force the RPVST+ 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
Layer 2 425