OSPF Static Neighbors

  • In an OSPF autonomous system, when OSPF network type is configured either to be 
  1. Non-broadcast (NBMA) 
  2. Point-to-multipoint non-broadcast you must configure static neighbors to ensure that the OSPF can form neighbor relationship.
  3. To configure OSPF static neighbor(s), you have to manually specify the neighbor routers’ IP address as a subcommand under the router ospf <process> command.

Configuring OSPF Static Neighbors in Cisco

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OSPF Static Neighbors :

In an OSPF autonomous system, when OSPF network type is configured either to be...

OSPF Static Neighbors command:

Router OSPF subcommand Description Example neighbor [cost number] To Specify a neighbor and assign a cost to the neighbor. (cost parameter is optional in this command) Router(config-router)# neighbor 192.168.1.4 cost 180...

OSPF network type commands:

Interface configuration subcommand Description ip ospf Configures an interface OSPF network type to broadcast/non-broadcast/point-to-point/point-to-multipoint (point-to-multipoint -Configures an interface as point-to-multipoint for broadcast media.) no ip ospf network To revert the OSPF network type back to its default configuration....

Configuring OSPF Static Neighbors:

Step 1: Create the physical topology in GNS3 as show in the image below :...