EIGRP-IPv4(10): Neighbor 54.18.2.254 not on common subnet for Serial0/0/0

EIGRP-IPv4(10): Neighbor 54.18.2.254 not on common subnet for Serial0/0/0

EIGRP-IPv4(10): Neighbor 54.18.3.254 not on common subnet for Serial0/0/0

EIGRP-IPv4(10): Neighbor 54.18.10.254 not on common subnet for Serial0/0/0

 

Anybody getting this error on real equipment?

 

 

Comments

  • Yes, we usually get this error message if we have different subnet in the same EIGRP segment. Please check for the point-to-point reachability & verify if the network/subnet is same.

     

  • In this case the BB router is configured for multiple scenarios, and is attempting to contact neighbors on several subnets. (BB configuration is not changed for different scenarios - stays the same for all technology labs and full-scale labs)

    In the full-scale V II labs, applying the password to the neighbor will silence these messages.

    For the V I technology labs, you can ignore the log messages.

    EIGRP-IPv4(10): Neighbor 54.18.2.254 not on common subnet for Serial0/0/0

    EIGRP-IPv4(10): Neighbor 54.18.3.254 not on common subnet for Serial0/0/0

    EIGRP-IPv4(10): Neighbor 54.18.10.254 not on common subnet for Serial0/0/0

    Anybody getting this error on real equipment?

  • Thanks. I am just starting V II labs. I just loaded the configs to start the first lab and was wondering what was up with this.

    I haven't compared them, but are the BB configs the same for all? (V I, II, III, and IV workbooks) Load them once and forget it?

     

     

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