OSPF Election Process

Hey guys I am a little confused with OSPF election process of DR and BDR.

When I was doing my lab I went and configured a loopback/RID of 11.11.11.11, it automatically did stuff in the background and became the DR.

My question is what is used to elect a DR and BDR? I am aware the priority and it looks like they're default at 1, and also aware that if I change the IP OSPF Priority to 0 it will automatically make a router as a DROTHERS.

Is it the RID/Neighbor ID aka Loopback/Interface IP address that gets determined on who becomes the DR and BDR?

Thanks!

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Comments

jovan88

its the priority that determines the DR/BDR, the RID is used as a tie breaker.

BroadcastStorm

jovan88 wrote: »

its the priority that determines the DR/BDR, the RID is used as a tie breaker.

Thanks I reinforced it by reading OSPF DR and BRD Elections by Sybex, it made it clear to me.