HP 5120 EI Series

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Figure 70 Network diagram
Configuration procedure
Configuring Device A
# Enter MST region view.
<DeviceA> system-view
[DeviceA] stp region-configuration
# Configure the MST region name, VLAN-to-instance mappings, and revision level.
[DeviceA-mst-region] region-name example
[DeviceA-mst-region] instance 1 vlan 10
[DeviceA-mst-region] instance 2 vlan 20
[DeviceA-mst-region] revision-level 0
# Manually activate the MST region configuration.
[DeviceA-mst-region] active region-configuration
[DeviceA-mst-region] quit
# Configure Device A as the primary root bridge of MSTI 1.
[DeviceA] stp instance 1 root primary
# Globally enable the spanning tree feature.
[DeviceA] stp enable
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