1-30 
[DeviceC-GigabitEthernet1/0/4] undo stp enable 
[DeviceC-GigabitEthernet1/0/4] port link-type trunk 
[DeviceC-GigabitEthernet1/0/4] undo port trunk permit vlan 1 
[DeviceC-GigabitEthernet1/0/4] port trunk permit vlan 10 
[DeviceC-GigabitEthernet1/0/4] qos trust dot1p 
[DeviceC-GigabitEthernet1/0/4] quit 
# Create RRPP domain 1, configure VLAN 10 as the primary control VLAN of RRPP domain 1, and 
configure the VLAN mapped to MSTI 1 as the protected VLAN of RRPP domain 1.  
[DeviceC] rrpp domain 1 
[DeviceC-rrpp-domain1] control-vlan 100 
[DeviceC-rrpp-domain1] protected-vlan reference-instance 1 
# Configure Device C as the transit node of primary ring 1 in RRPP domain 1, with GigabitEthernet1/0/1 
as the primary port and GigabitEthernet1/0/2 as the secondary port, and enable ring 1.  
[DeviceC-rrpp-domain1] ring 1 node-mode transit primary-port gigabitethernet 1/0/1  
secondary-port gigabitethernet 1/0/2 level 0 
[DeviceC-rrpp-domain1] ring 1 enable 
# Configure Device C as the edge node of subring 3 in RRPP domain 1, with GigabitEthernet1/0/4 as 
the edge port, and enable subring 3.  
[DeviceC-rrpp-domain1] ring 3 node-mode edge edge-port gigabitethernet 1/0/4 
[DeviceC-rrpp-domain1] ring 3 enable 
[DeviceC-rrpp-domain1] quit 
# Create RRPP domain 2, configure VLAN 105 as the primary control VLAN of RRPP domain 2, and 
configure the VLAN mapped to MSTI 2 as the protected VLAN of RRPP domain 2.  
[DeviceC] rrpp domain 2 
[DeviceC-rrpp-domain2] control-vlan 105 
[DeviceC-rrpp-domain2] protected-vlan reference-instance 2 
# Configure Device C as the transit node of primary ring 1 in RRPP domain 2, with GigabitEthernet1/0/1 
as the primary port and GigabitEthernet1/0/2 as the secondary port, and enable ring 1.  
[DeviceC-rrpp-domain2] ring 1 node-mode transit primary-port gigabitethernet 1/0/1  
secondary-port gigabitethernet 1/0/2 level 0 
[DeviceC-rrpp-domain2] ring 1 enable 
# Configure Device C as the edge node of subring 2 in RRPP domain 2, with GigabitEthernet1/0/3 as 
the edge port, and enable subring 2.  
[DeviceC-rrpp-domain2] ring 2 node-mode edge edge-port gigabitethernet 1/0/3 
[DeviceC-rrpp-domain2] ring 2 enable 
[DeviceC-rrpp-domain2] quit 
# Enable RRPP.  
[DeviceC] rrpp enable 
4)  Configure Device D as a transit node of the primary ring 
# Create VLANs 10 and 20, and map VLAN 10 to MSTI 1 and VLAN 20 to MSTI 2.  
<DeviceD> system-view 
[DeviceD] vlan 10 
[DeviceD-vlan10] quit 
[DeviceD] vlan 20