Perform the following steps to solve network type problems:


1. On a peer-to-peer (P2P) network, a neighbor relationship is established through Hello messages.
2. On a broadcast network, such as an Ethernet, Token Ring, or Fiber Distributed Data Interface (FDDI) network, Designated Router (DR)/Backup Designated Router (BDR) are elected through Hello messages; a neighbor relationship is established through Hello messages.
3. On a non-broadcast network, such as an frame relay (FR), and Integrated Services Digital Network (ISDN),
Manually establish a neighbor relationship.
> Run the ospf network-type broadcast command to change the network type to broadcast.
 >Run the peer command to establish a neighbor relationship.

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