[OSPF] Same subnet and Nested subnet OSPF interfaces in OSPFv2

["Varghese John" <varghese.embasseril at gmail.com>]

Hello,
  I am trying to find whether any OSPF deployments have the use case of having more than one OSPF interface on
the same subnet or nested subnets.

  It would be good to know the following -

   1. Any use case on having multiple OSPF interface with same subnet over multiple physical networks.
   2. Any use case on having multiple OSPF interface with nested/overlapping subnets over multiple physical networks.
   3. Any use case on having mulitple OSPF interface with same subnet over mulitple logical interfaces ( the logical interface may point to same
           physical/Layer 2 network).

   4. Any use case on having mulitple OSPF interface with nested/overlapping subnets over mulitple logical interfaces ( the logical interface may point to same
           physical/Layer 2 network).

   Any thoughts and helps would be greatly appreciated.

thanks
-varghese

 

 

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