Static Neighborship

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By default routers use multicast address 224.0.0.10 to discover neighbor and form the dynamic neighborship, so whenever they get any random packet and find’s the same AS number and K values then they form the neighborship.

But we can secure our network by using static neighborship in EIGRP, when we use static neighborship concept so neighbor commands should be configured on both routers to form EIGRP neighborship.
In static neighborship Network command is used to run EIGRP over the interface and neighbor command Is used to form one to one neighborship.

Let’s do the practical for the Static Neighborship

      *R1(config)#router eigrp 10
      *R1(config-router)#network 12.0.0.0
      *R1(config-router)#neighbor 12.0.0.2 fastEthernet 0/0
      *R1(config-router)#exit

      *R2(config)#router eigrp 10
      *R2(config-router)#network 12.0.0.0
      *R2(config-router)#neighbor 12.0.0.1 fastEthernet 0/0
      *R2(config-router)#exit

After using static neighborship we can see all the packets are now unicast and hello will be sent to only configured neighbor statement in EIGRP Process

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