Reference Guide

Spanning-Tree Commands 509
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Example
The following example shuts down te0/4 when it receives a BPDU.
console(config)# interface te0/4
console(config-if)#
spanning-tree bpduguard enable
clear spanning-tree detected-protocols
Use the clear spanning-tree detected-protocols Privileged EXEC mode
command to restart the STP migration process (force renegotiation with
neighboring switches) on all interfaces or on the specified interface
Syntax
clear spanning-tree detected-protocols [interface interface-id]
Parameters
interface-id—Specifies an interface ID. The interface ID can be one of the
following types: Ethernet port or Port-channel.
Default Configuration
All interfaces.
Command Mode
Privileged EXEC mode
User Guidelines
This feature can only be used when working in RSTP or MSTP mode.
Example
This restarts the STP migration process on all interfaces.
console# clear spanning-tree detected-protocols