H3C S5120-EI Series - Intersecting-Ring Load Balancing Configuration Example

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# Configure Device H as the master node of subring 5, with GigabitEthernet 1/0/1 as the primary
port and GigabitEthernet 1/0/2 as the secondary port, and enable subring 5.
[DeviceH-rrpp-domain1] ring 5 node-mode master primary-port gigabitethernet 1/0/1
secondary-port gigabitethernet 1/0/2 level 1
[DeviceH-rrpp-domain1] ring 5 enable
[DeviceH-rrpp-domain1] quit
# Enable RRPP.
[DeviceH] rrpp enable
9. Verify the configuration:
Use the display command to view RRPP configuration and operational information on each device.
Intersecting-ring load balancing configuration example
Networking requirements
As shown in Figure 21,
• Device A, Device B, Device C, Device D, and Device F form RRPP domain 1, and VLAN 100 is the
primary control VLAN of the RRPP domain. Device A is the master node of the primary ring, Ring 1;
Device D is the transit node of Ring 1; Device F is the master node of the subring Ring 3; Device C
is the edge node of the subring Ring 3; Device B is the assistant-edge node of the subring Ring 3.
• Device A, Device B, Device C, Device D, and Device E form RRPP domain 2, and VLAN 105 is the
primary control VLAN of the RRPP domain. Device A is the master node of the primary ring, Ring 1;
Device D is the transit node of Ring 1; Device E is the master node of the subring Ring 2; Device C
is the edge node of the subring Ring 2; Device B is the assistant-edge node of the subring Ring 2.
• Specify VLAN 1 as the protected VLAN of domain 1 and VLAN 2 the protected VLAN of domain
2. You can implement VLAN-based load balancing on Ring 1.
• Because the edge node and assistant-edge node of Ring 2 are the same as those of Ring 3 and the
two subrings have the same SRPTs, you can add Ring 2 and Ring 3 to the RRPP ring group to reduce
Edge-Hello traffic.