A10E/A28E/A28F Configuration Guide
Configuration steps
Step 1 Configure Switch A.
Alpha-A28E#hostname SwitchA
SwitchA#config
SwitchA(config)#interface port 1
SwitchA(config-port)#ethernet ring 1 port 2
SwitchA(config-port)#exit
SwitchA(config)#ethernet ring 1 enable
Step 2 Configure Switch B, Switch C, and Switch D. Their configurations are the same as
configurations of Switch A.
Checking result
Check RRPS configuration by the command of show ethernet ring.
Take Switch D for example, when the loop is normal, the first ring interface of master node
Switch D: Port 1 block clears data loop.
SwitchD#show ethernet ring
Ethernet Ring Upstream-Group:--
Ethernet Ring 1:
Ring Admin: Enable
Ring State: Enclosed
Bridge State: Block
Ring state duration: 0 days, 3 hours, 30 minutes, 15 seconds
Bridge Priority: 1
Bridge MAC: 000E.5E00.000D
Ring DB State: Block
Ring DB Priority: 1
Ring DB: 000E.5E00.000D
Hello Time: 1
Restore delay: 5
Hold Time: 15
Protocol Vlan: 2
Break link simulation fault between Switch A and Switch B manually, Port 1 of Switch D will
change its status from Block to Forwarding, Port 1 of Switch B will change its status from
Forwarding to Block. Check RRPS status again.
SwitchD#show ethernet ring
Ethernet Ring Upstream-Group:1
Ethernet Ring 1:
Ring Admin: Enable
Ring State: Unenclosed
Bridge State: Two-Forward
Ring state duration: 0 days, 3 hours, 30 minutes, 15 seconds
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