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Rating: 
Summary: WAN Switching - learn something new every day!
Review: Over the past 14 years I have always been told that with a wan you must have routers, but all that is changing with this book. What the author does is take a very complex subject and break it down into three sections over 1275 pages. With the information included you are able to either teach or learn about three type of Wan switching, MSSC, BSSC and MACC. With the information included you'll be able to work with and configure as well as administrate the networks. In Section 1 the author works with IGX concepts such as message formats, commands, voice and data, frame relay, ATM and troubleshooting. While some of the concepts and ideas are still a little unclear I have begun to learn a whole new way of switching. Section 2 is BPX networking and hardware with the use of SONET networks, routing with BPX environment as well as troubleshooting. Section 3 captures the MGX series with commands, SONET, ways to make connection and configure them and finally Voice and IP together. Each chapter does have review questions and from what I have seen nothing comes even close to matching the information included in this book. The author does a great job of documenting the information and overall the typos seem minimal.
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