Summary:Knowing the textbook definition of split horizon isn't enough.  You've got to know how to apply it and disable it.  Learn the details from Chris Bryant, CCIE #12933. Keywords:Cisco,ccna, pass, exam, split, horizon, eigrp, rip, igrp, interface, routing, update, in, out, same, disable, no, ip, Bryant, advantage, 12933, chris Article Body:For CCNA exam success, you had...