EIGRP: Split Horizon

In hub and spoke networks where multiple sites would exist and be routed through the same interface at the hub, it may be necessary to disable Split Horizon.  EIGRP uses Split Horizon with poison reverse however for this type of implementation, it is necessary to disable this feature.

To disable split horizon you would use the no {ip | ipv6} split-horizon interface command in classic mode or just the no split-horizon command in af-interface section of named mode.


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