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Troubleshooting Campus Networks- Practical Analysis of Cisco and LAN Protocols

5 stars (Good book for network admins) - My overall impression was that this is a great book. I felt that the first chapter was unnecessary detail, and sort of seemed like chest thumping to me. I find this book to be an excellent reference about just about all aspects of LAN communications. I was not impressed with the WAN protocols however. I sort of expected more of that, as you might find in a Campus network. I keep this book handy, and often find myself using it as a reference when I am unsure of a conclusion I have drawn. I recommend this book to anyone looking for reference material. 5 stars (A myth-shattering, authoritative and enlightening title) - I'm sad I waited so long to read this excellent book. "Troubleshooting Campus Networks" (TCN) was published in Jul 2002, and it belongs on every network administrator's shelf -- now! This is the best networking book since Scott Haugdahl's "Network Analysis and Troubleshooting" and Eric Hall's "Internet Core Protocols." TCN will truly test your networking knowledge; you'll quickly validate the truth and discard the fiction. So many books discuss networks, but somehow distort subtle points. Authors Oppenheimer and Bardwell know their material inside-out and explain key points in clear, concise prose. Ever hear of the "37% utilization rule for Ethernet?" It's false. Think that TCP sequence numbers count packets? Wrong -- they count bytes of data. And why are sequence numbers seemingly "off by one?" Look at the difference between ordinal and cardinal numbers, described in ch. 9. TCN displays an uncanny ability to include just the information that is needed. "Reversible half-ASCII," which accounts for odd-looking NetBIOS traces, appears in ch. 12. The sections on Windows networking are first-rate, with helpful comparisons of NetBIOS with IPX, TCP, and NetBEUI. Even theoretical but damaging attack methods, like corrupting Hot Standby Router Protocol messages (ch. 8), are illuminated. I have tw...
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