Topology shows as below:
Major Ring (Domain): Switch A is RPL Owner for major ring.
Sub Ring (Domain): Switch E is RPL owner for sub ring.
Blocking port
Configuration:
1. Major Ring
Switch A:
A(config)#erps A(config)#erps domain major A(config-erps)#control-vlan 10 A(config-erps)#ring-port east interface ethernet 1/1 A(config-erps)#ring-port west interface ethernet 1/2 A(config-erps)#rpl owner A(config-erps)#enable
Switch B: (The configuration of Switch C & Switch D are the same as Switch B)
B(config)#erps B(config)#erps domain major B(config-erps)#control-vlan 10 B(config-erps)#ring-port east interface ethernet 1/1 B(config-erps)#ring-port west interface ethernet 1/2 B(config-erps)#enable
2. Sub Ring
Switch C & D are the members of Major Ring and Sub Ring.
*Need to assign major domain by "major-domain" command.
*Assign only one ring-port.
Switch C: (The configuration of Switch D is the same as Switch C)
C(config)#erps C (config)#erps domain sub C (config-erps)#major-domain major C (config-erps)#control-vlan 20 C (config-erps)#ring-port west interface ethernet 1/3 C (config-erps)#enable
Switch E:
E(config)#erps E(config)#erps domain sub E(config-erps)#control-vlan 20 E(config-erps)#ring-port east interface ethernet 1/1 E(config-erps)#ring-port west interface ethernet 1/3 E(config-erps)#rpl owner E(config-erps)#enable
Switch F:
F(config)#erps F(config)#erps domain sub F(config-erps)#control-vlan 20 F(config-erps)#ring-port east interface ethernet 1/1 F(config-erps)#ring-port west interface ethernet 1/3 F(config-erps)#enable
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