Connectivity 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, from 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, from 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, from 0 to 63.
• threshold-value—Enter the threshold value for the number of ushes, from 0 to 65535. The default
value is 5.
Default Not congured
234 Layer 2