HP 5900 series Command Reference Manual: Spanning Tree Commands

Layer 2 - lan switching.
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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 may cause network topology instability. This is most likely to occur when you configure the
VLAN-to-instance mapping table. The launch occurs after the MST region parameters are activated with
the active region-configuration command or you enable the spanning tree feature with the stp global
enable command.
HP recommends that you 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
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This manual also for:

5920 series

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