3Com MSR 30, MSR 50 manual 38

38 MSTP CONFIGURATION COMMANDS
active region-configuration
Syntax active region-configuration
View MST region view
Parameters None
Description Use the active region-configuration command to activate your MST region
configuration.
When you carry out this command, MSTP will replace the currently running MST
region-related parameters with the parameters you have just configured, and will
perform spanning tree computing again.
Related commands: instance, region-name, revision-level, vlan-mapping modulo, and check
region-configuration.
Examples # Activate MST region configuration manually.
<Sysname> system-view
[Sysname] stp region-configuration
[Sysname-mst-region] active region-configuration
check region-configuration
Syntax check region-configuration
View MST region view
Parameters None
Description Use the check region-configuration command to view all the MST region
configuration information, including the region name, VLAN-to-instance mapping
and revision level settings.
Be sure that your MST region configurations are correct, especially the
VLAN-to-instance mapping table. MSTP-compliant devices are in the same MST
region only when they have the same region name, the same VLAN-to-instance