Concept Guide

Command Modes INTERFACE
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information By default, all VLANs are mapped to MST instance zero (0) unless you use the vlan range command to map it
to a non-zero instance.
Although MSTP instance IDs range from 0 to 4094, only 64 active instances are supported on the switch.
name
The name you assign to the multiple spanning tree region.
Syntax
name region-name
To remove the region name, use the no name command.
Parameters
region-name Enter the MST region name. The range is 32 character limit.
Defaults no default name.
Command Modes MULTIPLE SPANNING TREE
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information For two MSTP switches to be within the same MSTP region, the switches must share the same region name
(including matching case).
Related Commands
msti — maps the VLAN(s) to an MST instance.
revision — assigns the revision number to the MST conguration.
port-channel path-cost custom
Sets the path cost to be constant for port-channel regardless of its operation status.
Syntax
port-channel path-cost custom
To change the path cost to comply with new IEEE standard behavior, use no port-channel path-cost
custom command.
Defaults Disabled
Multiple Spanning Tree Protocol (MSTP) 885