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# Configure VLAN 4092 as the primary control VLAN of RRPP domain 1.
[DeviceA-rrpp-domain1] control-vlan 4092
# Configure the VLANs mapped to MSTI 1 as the protected VLANs of RRPP domain 1.
[DeviceA-rrpp-domain1] protected-vlan reference-instance 1
# Configure Device A as the master node of primary ring 1, with Ten-GigabitEthernet 1/0/1 as
the primary port and Ten-GigabitEthernet 1/0/2 as the secondary port. Enable ring 1.
[DeviceA-rrpp-domain1] ring 1 node-mode master primary-port ten-gigabitethernet
1/0/1 secondary-port ten-gigabitethernet 1/0/2 level 0
[DeviceA-rrpp-domain1] ring 1 enable
[DeviceA-rrpp-domain1] quit
# Enable RRPP.
[DeviceA] rrpp enable
2. Configure Device B:
# Create VLANs 1 through 30.
<DeviceB> system-view
[DeviceB] vlan 1 to 30
# Map these VLANs to MSTI 1.
[DeviceB] stp region-configuration
[DeviceB-mst-region] instance 1 vlan 1 to 30
# Activate the MST region configuration.
[DeviceB-mst-region] active region-configuration
[DeviceB-mst-region] quit
# Set the physical state change suppression interval to 0 seconds on Ten-GigabitEthernet
1/0/1.
[DeviceB] interface ten-gigabitethernet 1/0/1
[DeviceB-Ten-GigabitEthernet1/0/1] link-delay 0
# Disable the spanning tree feature on the port.
[DeviceB-Ten-GigabitEthernet1/0/1] undo stp enable
# Configure the port as a trunk port.
[DeviceB-Ten-GigabitEthernet1/0/1] port link-type trunk
# Assign the port to VLANs 1 through 30.
[DeviceB-Ten-GigabitEthernet1/0/1] port trunk permit vlan 1 to 30
[DeviceB-Ten-GigabitEthernet1/0/1] quit
# Configure Ten-GigabitEthernet 1/0/2 in the same way Ten-GigabitEthernet 1/0/1 is
configured.
[DeviceB] interface ten-gigabitethernet 1/0/2
[DeviceB-Ten-GigabitEthernet1/0/2] link-delay 0
[DeviceB-Ten-GigabitEthernet1/0/2] undo stp enable
[DeviceB-Ten-GigabitEthernet1/0/2] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/2] port trunk permit vlan 1 to 30
[DeviceB-Ten-GigabitEthernet1/0/2] quit
# Configure Ten-GigabitEthernet 1/0/3 in the same way Ten-GigabitEthernet 1/0/1 is
configured.
[DeviceB] interface ten-gigabitethernet 1/0/3
[DeviceB-Ten-GigabitEthernet1/0/3] link-delay 0
[DeviceB-Ten-GigabitEthernet1/0/3] undo stp enable
[DeviceB-Ten-GigabitEthernet1/0/3] port link-type trunk
[DeviceB-Ten-GigabitEthernet1/0/3] port trunk permit vlan 1 to 30