Reference Guide

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
Command Mode CONFIGURATION
Usage Information The no version of this command removes the threshold value.
Example
OS10(config)# spanning-tree mst 10 mac-flush-threshold 255
Supported Releases 10.4.0E(R1) or later
spanning-tree mst max-age
Congures the time period the bridge maintains conguration information before refreshing the information by recomputing the MST
topology.
Syntax
max-age seconds
Parameters seconds — Enter a maximum age value in seconds (6 to 40).
Default 20 seconds
Command Mode CONFIGURATION
Usage Information The no version of this command resets the value to the default.
Example
OS10(config)# spanning-tree mst max-age 10
Supported Releases 10.2.0E or later
210 Layer 2