(This book covers today's premier LAN and WAN technologies, including Frame Relay and ISDN, Serial Line, X.25, TCP/IP (EIGRP, OSPF, BGP), Novell Networks, AppleTalk Networks, and IBM Networks. Based on a brief introduction to the principles of these technologies, this book focuses on the configuration, troubleshooting commands, and tools on Cisco routers. Many challenging troubleshooting examples are also included at the end of each chapter. This book is broad in coverage and clearly structured, including techniques that network engineers desperately needed to master at the time; at the same time, the book also includes troubleshooting and troubleshooting tools, methods, and example studies that demonstrate how to effectively design, configure, and troubleshoot Therefore, this book is an essential technical reference manual for network administrators)
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