Summary:You learned what a passive interface is in your CCNA studies, but that's not all there is to it!  Learn how to apply a passive interface and how it relates to OSPF from Chris Bryant, CCIE #12933. Keywords:cisco, ccnp, exam, bsci, pass, free, tutorial, passive, interface, ospf, eigrp, igrp, rip, ccna Article Body:To pass the BSCI exam and become a CCNP, you have to be aware of the...