Summary:Learn the basics of Frame Relay DLCIs and how to map them from Chris Bryant, CCIE #12933. Keywords:cisco, ccna, certification, exam, frame, relay, dlci, mapping, inverse, arp, static, pass, free Article Body:Passing the CCNA is tough, and one of the toughest parts is keeping all the acronyms straight!  Frame Relay has plenty of those, and today we're going to examine what DLCIs do...