Allied Telesis AT-S94 CLI (AT-8000S Series) - Manual (Page 272)

Page 271
Allied Telesis
AT-8000S-S94-3.0 Command Line Interface User’s Guide
Command Modes
Privileged EXEC mode
User Guidelines
This feature should be used only when working in RSTP or MSTP mode.
Example
The following example restarts the protocol migration process on Ethernet port 1/e11.
spanning-tree mst priority
The spanning-tree mst priority Global Configuration mode command configures the device priority for the
specified spanning-tree instance. Use the no form of this command to return to the default configuration.
Syntax
spanning-tree mst instance-id priority priority
no spanning-tree mst instance-id priority
Parameters
•
instance -id — ID of the spanning -tree instance (Range: 1 - 8).
• priority — Device priority for the specified spanning-tree instance (Range: 0-61440 in multiples of 4096).
Default Configuration
The default bridge priority for IEEE Spanning Tree Protocol (STP) is 32768.
Command Mode
Global Configuration mode
User Guidelines
The device with the lowest priority is selected as the root of the spanning tree.
Example
The following example configures the spanning tree priority of instance 1 to 4096.
spanning-tree mst max-hops
The spanning-tree mst priority Global Configuration mode command configures the number of hops in an MST
region before the BDPU is discarded and the port information is aged out. Use the no form of this command to
return to the default configuration.
Syntax
spanning-tree mst max-hops hop-count
console# clear spanning-tree detected-protocols ethernet 1/e11
console(config) # spanning-tree mst 1 priority 4096