CLI ReferenceInterface Configuration Commands MSTP Configuration Commands
spanning-tree mst
configuration
Enter the MST region configuration.
Show the path cost of the instance.
spanning-tree mst
max-hops
Show the maximum hops of the instance.
spanning-tree mst priority
Show the device priority of the instance.
spanning-tree mst
port-priority
Show the port priority of the instance.
spanning-tree
This command is used to enable MSTP and configure its basic settings globally. The no option
of the command disables the spanning-tree function. The no option of the command with
parameters only restores the corresponding parameters to the default values, but does not
disable the spanning-tree function.
spanning-tree [ forward-time seconds | hello-time seconds | max-age seconds ]
no spanning-tree [ forward-time | hello-time | max-age ]
Interval at which the port status changes
Interval at which the device sends the BPDU message
Maximum aging time of the BPDU message
Global configuration mode
The values of forward-time, hello time and max-age are interrelated. Modifying one of
these three parameters will affect the others. There is a restricted relationship among the
above three values as shown below:
2*(Hello Time+1.0snd) <= Max-Age Time <= 2*(Forward-Delay–1.0snd)
If the values do not meet the condition, the settings will fail.
Example 1: Enable the spanning-tree function:
Ruijie(config)# spanning-tree
Example 2: Configure the BridgeForwardDelay:
Ruijie(config)# spanning-tree forward-time 10
Show the global STP configuration.
Set the PathCost of an STP interface.
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