Configures the number used to identify the MSTP (Multiple Spanning Tree Protocol) BPDUs sent in the MSTP region.
| format_identifier | Specifies a number that MSTP uses to identify all BPDUs sent in the MSTP region. The default is 0. The range is 0 to 255. |
The default value used to identify the MSTP BPDU is 0.
Region Name—The name of the MSTP region.
Format Selector—The number used to identify the format of MSTP BPDUs. The default is 0.
Revision Level—This identifier is reserved for future use; however, the switch uses and displays a default of 3.
You can configure only one MSTP region on the switch at any given time.
The switches contained in a region transmit and receive BPDUs that contain information relevant to only that MSTP region. By having devices look at the region identifiers, MSTP discovers the logical boundary of a region.
If you have an active MSTP region, Extreme Networks recommends that you disable all active STPDs in the region before modifying the value used to identify MSTP BPDUs on all participating switches.
The following command configures the number 2 to identify the MSTP BPDUs sent within an MSTP region:
configure mstp format 2
This command was first available in ExtremeXOS 11.4.
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