Figure 1-9 Network diagram for intersecting rings configuration
Configuration on Device A
# Disable STP on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2, configure the two ports as trunk
ports, and assign them to all VLANs, and configure them to trust the 802.1p precedence of the received
[DeviceA] interface gigabitethernet 1/0/1
[DeviceA-GigabitEthernet1/0/1] undo stp enable
[DeviceA-GigabitEthernet1/0/1] port link-type trunk
[DeviceA-GigabitEthernet1/0/1] port trunk permit vlan all
[DeviceA-GigabitEthernet1/0/1] qos trust dot1p
[DeviceA] interface gigabitethernet 1/0/2
[DeviceA-GigabitEthernet1/0/2] undo stp enable
[DeviceA-GigabitEthernet1/0/2] port link-type trunk
[DeviceA-GigabitEthernet1/0/2] port trunk permit vlan all
[DeviceA-GigabitEthernet1/0/2] qos trust dot1p
# Create RRPP domain 1, configure VLAN 4092 as the primary control VLAN of RRPP domain 1, and
configure the VLANs mapped to MSTIs 0 through 16 as the protected VLANs of RRPP domain 1.
[DeviceA] rrpp domain 1
[DeviceA-rrpp-domain1] control-vlan 4092
[DeviceA-rrpp-domain1] protected-vlan reference-instance 0 to 16
# Configure Device A as the master node of primary ring 1, with GigabitEthernet 1/0/1 as the primary
port and GigabitEthernet 1/0/2 as the secondary port, and enable ring 1.
secondary-port gigabitethernet 1/0/2 level 0
[DeviceA-rrpp-domain1] ring 1 enable
# Enable RRPP.