We will use below topology and different subnet at both end, then we will check the adjacency and try to ping in order to confirm. R2 F0/0 <—–> F0/0 R3 R2 Configuration: R3 Configuration: Checking routes on R2: Trying to ping 2001:3::3 from R2: Adjacency is establishing and able to ping because neighbors are known … Continue reading OSPFv3 Neighbors do not need to be on same subnet