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1 MSTP Configuration Commands
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 the settings of a multiple spanning tree
(MST) region.
Configuring MST region-related parameters (especially the VLAN-to-instance mapping table) can result
in network topology jitter. To reduce network topology jitter caused by such a configuration change,
multiple spanning tree protocol (MSTP) does not recalculate spanning trees immediately after the
configuration change; it does this only after you activate the new MST region-related settings or enable
MSTP; only then will the new settings begin to take effect.
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 recalculation.
Related commands: instance, region-name, revision-level, vlan-mapping modulo, check
region-configuration.
Examples
# Activate the MST region-related settings.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] stp region-configuration
[Sysname-mst-region] active region-configuration
bpdu-drop any
Syntax
bpdu-drop any
undo bpdu-drop any
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