Reference Guide

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
Congures 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).
Default 15 seconds
Command Mode CONFIGURATION
Usage Information The no version of this command resets the value to the default.
Example
OS10(config)# spanning-tree mst forward-time 16
Supported Releases 10.2.0E or later
spanning-tree mst hello-time
Sets the time interval between generation and transmission of MSTP BPDUs.
Syntax
spanning-tree mst hello-time seconds
Parameters seconds — Enter a hello-time interval value in seconds (1 to 10).
Default 2 seconds
Command Mode CONFIGURATION
Usage Information Dell EMC recommends increasing the hello-time for large congurations — especially congurations with multiple
ports. The no version of this command resets the value to the default.
Example
OS10(config)# spanning-tree mst hello-time 5
Supported Releases 10.2.0E or later
spanning-tree mst mac-ush-threshold
Sets the threshold value for ushing the MAC addresses.
Syntax
spanning-tree mst instance-number mac-flush-threshold threshold-value
Parameters
• instance-number—Enter the instance number, ranging from 0 to 63.
• threshold-value—Enter the threshold value for the number of ushes, ranging from 0 to 65535. The
default value is 5.
Default Not congured
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