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Why Is There No OSPF Neighbor as FULL/DR or FULL/BDR on the Serial Port Link?

Latest reply: Apr 22, 2017 08:08:53 2179 1 0 0 0
Why Is There No OSPF Neighbor as FULL/DR or FULL/BDR on the Serial Port Link?
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Created Apr 22, 2017 08:08:53

This is normal. On point-to-point (P2P) and point-to-multipoint (P2MP) networks, there are no designated routers (DRs) or backup designated routers (BDRs). To reduce the amount of flooding on broadcast media, such as Ethernet, Fiber Distributed Data Interfaces (FDDIs), and Token Ring, designated routers (DRs) and backup designated routers (BDRs) are elected on broadcast and non-broadcast multi-access networks. A router becomes full with only DRs and BDRs, and it shows 2-WAY for all other routers.
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