Users Guide

The recovery timer starts whenever there is a BPDU guard violation.
The no version of the command resets the timer to the default value.
Example
OS10(config)# errdisable recovery interval 45
Supported Releases 10.4.2.0 or later
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 congured
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 bpdulter
Enables or disables BPDU ltering on an interface.
Syntax
spanning-tree bpdufilter {enable | disable}
Parameters
• enable — Enables the BPDU lter on an interface.
• disable — Disables the BPDU lter on an interface.
Default Disabled
Command Mode INTERFACE
Usage Information Use the enable parameter to enable BPDU ltering.
Example
OS10(conf-if-eth1/1/4)# spanning-tree bpdufilter enable
Supported Releases 10.2.0E or later
402 Layer 2