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From the Publisher:Obtain a clear understanding of how routing information and traffic flows on a multivendor networkRouting policies for networks are often complex and not well understood. Many books detail the operation of routing protocols such as OSPF or BGP, but none place the protocols in the context of routing policies and the real world of ISP peering and customer relationships. Once realistic expectations of packet routing behavior are added to the basic routing protocols, routing policies are unavoidable. Fortunately, Walter Goralski sheds some much-needed light on this intricate protocol-policy relationship by offering two important benefits where other routing books fall short. Goralski covers both Juniper and Cisco, and touches on other vendor implementations. Next, he focuses on real routing policy situationsthe way routing domains actually workinstead of just detailing the protocol anatomy. Real-world multivendor configuration examples make this a hands-on guide for the network engineer or administrator who needs to optimize network traffic flows. Topics covered include:Addressing and routingSubnets and supernetsISP peering and routing policiesCisco and Juniper Networks router configurationRouting Information Protocol (RIP)Configuring RIP, OSPF, IS-IS, and BGPRouting policies for all networking situations Author Biography: Walter J. Goralski is an instructor and course developer at Juniper Networks, the number-two vendor of network routing products. Goralski has more than 35 years of experience in data communications, including 14 years at AT&T. He has written seven books on networking topics, the most recent one on optical networking.