An absolute gem of a reference guide, Cisco TCP / IP Routing Professional Reference bringing the world the sky router and robust protocol to earth. The author provides an excellent analogy coupled with practical tips, make this book suitable for those new to Cisco routers strange terrain and TCP / IP as well as seasoned pros. The first two chapters lay the groundwork for the operation of Cisco routers in the context of TCP / IP and an absolute must-read for novice network. This book is wrapped with two chapters are very practical: the first examines how to build a TCP / IP router-based and include key issues such as management and security; the second is dedicated to solving problems.