(This is a good time to learn cisco. Cisco routers are widely used and have a strong market share. This book has carefully designed hundreds of the most common routing and switching problems, and has given specific answers. The whole book is divided into 12 chapters, telling about all the IP routing protocols supported by Cisco system, including RIP, OSPF, IGRP, EIGRP, BGP, EGP and IP multicast. This book also sets up attention, hints and warnings in the text, which can help readers better master the configuration technology of Cisco routers. This book is an essential reference for Cisco users and Cisco router management and configuration personnel.)
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