Hucaby, a network engineer for the U. of Kentucky and the author of several Cisco books, et al. provide a quick reference to widely used Cisco router features and configurations for network professionals. They cover router configuration fundamentals, network protocols, packet processing, voice/telephony, security, and new and revised coverage of Ipv6 addressing and services, multicast routing and distributed switching, MPLS, AutoQoS, SIP, MGCP, fax and modem support, VPNs, voice troubleshooting, Security Device Manager, and other topics. Features and topics are presented in the order in which they are typically used. The book is meant for use in day-to-day tasks and avoids too much instructional information or theory. Sample configurations are included. Annotation ©2010 Book News, Inc., Portland, OR (booknews.com)