Summary:Knowing how to configure and troubleshoot EIGRP authentication is a vital BSCI and CCNP exam skill.  Learn how to perform this tricky configuration from Chris Bryant, CCIE #12933. Keywords:Ccnp, bsci, exam, pass, free, eigrp, packet, authentication, configure, interface, key, chain, cisco, tutorial, Bryant, advantage, 12933 Article Body:Configuring RIPv2 and EIGRP authentication...