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Spanning tree commands
active region-configuration
Use active region-configuration to activate your MST region configuration.
Syntax
active region-configuration
Views
MST region view
Predefined user roles
network-admin
Usage guidelines
When you configure MST region parameters, MSTP launches a new spanning tree calculation
process that might cause network topology instability. This is most likely to occur when you configure
the VLAN-to-instance mapping table. The launch occurs after you execute the active
region-configuration command or the stp global enable command.
As a best practice, use the check region-configuration command to determine whether the MST
region configurations to be activated are correct. Run this command only when they are correct.
Examples
# Map VLAN 2 to MSTI 1 and manually activate the MST region configuration.
<Sysname> system-view
[Sysname] stp region-configuration
[Sysname-mst-region] instance 1 vlan 2
[Sysname-mst-region] active region-configuration
Related commands
• check region-configuration
• instance
• region-name
• revision-level
• stp global enable
• vlan-mapping modulo
bpdu-drop any
Use bpdu-drop any to enable BPDU drop on a port.
Use undo bpdu-drop any to disable BPDU drop on a port.
Syntax
bpdu-drop any
undo bpdu-drop any
Default
BPDU drop is disabled on a port.
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