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| Network Performance Toolkit: Using Open Source Testing Tools | 
| Author: Richard Blum
Publisher: Wiley
Category: Book
List Price: $45.00
Buy New: $15.59
You Save: $29.41 (65%)
Buy New/Used from $5.00
Avg. Customer Rating:  (2 reviews)
Sales Rank: 268027
Languages: English (Original Language), English (Unknown), English (Published)
Media: Paperback
Edition: 1st
Number Of Items: 1
Pages: 416
Shipping Weight (lbs): 1.4
Dimensions (in): 9.2 x 7.5 x 1
ISBN: 0471433012
Dewey Decimal Number: 004.6
UPC: 723812490882
EAN: 9780471433019
ASIN: 0471433012
Publication Date: July 18, 2003
Availability: Usually ships in 1-2 business days
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| Editorial Reviews:
Product Description
- In these times of reduced corporate budgets, this book shows how to test for performance problems and how to install and run freely available tools, instead of buying costly new hardware and software testing packages
- Network performance is the #1 headache for network operators; this book gives IT professionals straightforward guidance
- Author is a troubleshooting practitioner, a hands-on networking computer specialist for the Department of Defense
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| Customer Reviews:
great info!!! November 6, 2003
4 out of 5 found this review helpful
This book helped me out a lot in troubleshooting my networks and trying to figure out what was wrong with it. I had switches and hubs cascaded too many times, bad network interface cards that were causing broadcast storms, i had a hacker that was sitting on a pc he took control of. and i figure it all out with the book by RB. i was able to analyze each traffic segment and immediately recognized what type of traffic was being sent across the network. i was even able to decipher spoofed ip addresses created by the hacker. this book is amazing!
A great tool-oriented tour of network troubleshooting September 14, 2003
8 out of 8 found this review helpful
I don't have a lot to say about "Network Performance Open Source Toolkit" (NPOST), other than I think it's excellent. We need more tool-oriented books to teach admins how to do real work on their networks. NPOST delivers chapter after chapter of practical, hands-on material applicable to the networking shop in any organization.
NPOST shines in three respects. First, the author ensures readers can properly install each tool he discusses. When dealing with open source tools, installation cannot be taken for granted. (The exception is using the FreeBSD operating system's "ports tree," which almost guarantees easy installation of any tool listed in the system.) Second, the author walks readers through the use of each tool, explaining what it does and how to best deploy it. Finally, readers are given mini-case studies demonstrating the use of each tool to solve real-world problems. This is just the sort of approach which helps readers understand the differences between network simulators and emulators, for example.
I found only a few minor issues. When providing command-line tcpdump options on pages 230 and 234, I believe the author should have passed a '-s 1514' option to change the default 68-byte snaplength to something more reasonable. I felt the FreeBSD kernel configuration advice in chapter 14 was insufficient, and didn't specify whether it applied to 4.x or 5.x FreeBSD systems. Last, the author's tcpdump command line for capturing FTP sessions on p. 230 will only capture "active" FTP sessions using port 20 TCP. It will miss any passive FTP data channels.In summary, I give NPOST two thumbs up. Since so many other open source networking tools are available, perhaps we'll see a second volume?
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