This book uses case studies and real-world configuration examples to help you gain an in depth understanding of the issues involved in designing, deploying, and managing EIGRP-based networks. It details proper designs that can be used to build large and scalable EIGRP-based networks and documents possible ways each EIGRP feature can be used in network design, implementation, troubleshooting, and monitoring.With this comprehensive reference, you get detailed coverage of all EIGRP technologies, including DUAL, transport protocol, and topology database. In addition you get extensive coverage of EIGRP deployment over WAN and dial-up networks and information on such features as filter lists, route maps, summarization, EIGRP pacing, and MD5 authentication.