Reference Guide

Default Disabled
Command Mode CONFIGURATION
Usage
Information
Use this command to enter STP MST configuration mode.
Example
OS10(config)# spanning-tree mst configuration
OS10(conf-mst)#
Supported
Releases
10.2.0E or later
spanning-tree mst disable
Disables spanning tree on the specified MST instance.
Syntax
spanning-tree mst instance-number disable
Parameters instance-number—Enter the instance number, ranging from 0 to 63.
Default Enabled
Command Mode CONFIGURATION
Usage
Information
The no version of this command enables spanning tree on the specified MST instance.
Example
OS10(config)# spanning-tree mst 10 disable
Supported
Releases
10.4.0E(R1) or later
spanning-tree mst force-version
Configures a forced version of STP to transmit BPDUs.
Syntax
spanning-tree mst force-version {stp | rstp}
Parameters
● stp — Forces the version for the BPDUs transmitted by MST to STP.
● rstp — Forces the version for the BPDUs transmitted by MST to RSTP.
Default Not configured
Command Mode CONFIGURATION
Usage
Information
Forces a bridge that supports MST to operate in a STP-compatible mode.
Example
OS10(config)# spanning-tree mst force-version
Supported
Releases
10.2.0E or later
spanning-tree mst forward-time
Configures a time interval for the interface to wait in the Blocking state or the Learning state before moving to the Forwarding
state.
Syntax
spanning-tree mst forward-time seconds
Parameters seconds — Enter the number of seconds an interface waits in the Blocking or Learning States before
moving to the Forwarding state (4 to 30).
208 Layer 2