Configuring The Mst Hello Time - Cisco Nexus 9000 Series Configuration Manual

Configuring MST Using Cisco NX-OS
switch(config-if)# spanning-tree mst 4 cost 17031970
switch(config-if)# exit
switch(config)#

Configuring the MST Hello Time

You can configure the interval between the generation of configuration messages by the root bridge for all
instances on the device by changing the hello time.
Be careful when using the spanning-tree mst hello-time command. For most situations, we recommend
Note
that you enter the spanning-tree mst instance-id root primary and the spanning-tree mst instance-id
root secondary global configuration commands to modify the hello time.
Procedure
Step 1
Step 2
Step 3
Step 4
Step 5
This example shows how to configure the hello time of the device to 1 second:
switch# config t
switch(config)# spanning-tree mst hello-time 1
Command or Action
config t
Example:
switch# config t
switch(config)#
spanning-tree mst hello-time seconds
Example:
switch(config)# spanning-tree mst
hello-time 1
exit
Example:
switch(config)# exit
switch#
show spanning-tree mst
Example:
switch# show spanning-tree mst
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
Cisco Nexus 9000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
Configuring the MST Hello Time
Purpose
Enters configuration mode.
Configures the hello time for all MST instances.
The hello time is the interval between the
generation of configuration messages by the root
bridge. These messages mean that the device is
alive. For seconds, the range is from 1 to 10, and
the default is 2 seconds.
Exits configuration mode.
(Optional)
Displays the MST configuration.
(Optional)
Copies the running configuration to the startup
configuration.
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