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Metro ethernet, Ethernet protection ring.

sarahr202
Level 5
Level 5

Hi everybody.

I hope everybody is doing great.    A quick question for you guys.

Let say we have Ethernet switches connected in a ring .We want to use Ethernet protection ring for loop avoidance and faster convergence.

One of the switch will be RPL owner, and of the link in our ring will be chosen as RPL link.

1)My question is what is the criteria for RPL owner selection and RPL link?  (  For e.g  in STP, we use lowest bridge priority for root bridge)

2)  Is Ethernet protection ring provide an alternative to stp when we switches connected in ring toplogy  and fast convergence is required as is the case with metro ethernet commonly ?

Have a great evening.

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