- Paperback: 240 pages
- Publisher: Cisco Press; 1 edition (28 July 2000)
- Language: English
- ISBN-10: 1587058162
- ISBN-13: 978-1587058165
- Product Dimensions: 18.3 x 1.8 x 22.9 cm
- Average Customer Review: 4.0 out of 5 stars See all reviews (2 customer reviews)
- Amazon Bestsellers Rank: 2,282,950 in Books (See Top 100 in Books)
- See Complete Table of Contents
Inside Cisco IOS Software Architecture (CCIE Professional Development) Paperback – 28 Jul 2000
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From the Back Cover
An essential guide to understanding the Cisco IOS architecture
In-depth coverage of Cisco's IOS Software architecture provides crucial information to:
- Prevent network problems and optimize performance through more efficient design and configuration
- Isolate and resolve network problems more quickly and easily
- Apply the appropriate packet switching method, such as process switching, fast switching, optimum switching, or Cisco Express Forwarding (CEF)
- Understand the hardware architecture, packet buffering, and packet switching processes for shared memory routers (Cisco 1600, 2500, 3600, 4000, 4500, and 4700 series)
- Understand the hardware architecture, packet buffering, and packet switching processes for the Cisco 7200 series routers
- Understand the hardware architecture, packet buffering, and packet switching processes for the Cisco 7500 series routers
- Understand the hardware architecture, packet buffering, and packet switching processes for the Cisco GSR 12000 series routers
- Further your knowledge of how IOS Software implements Quality of Service (QoS)
Inside Cisco IOS Software Architecture offers crucial and hard-to-find information on Cisco's Internetwork Operating System (IOS) Software. IOS Software provides the means by which networking professionals configure and manage Cisco networking devices. Beyond understanding the Cisco IOS command set, comprehending what happens inside Cisco routers will help you as a network designer or engineer to perform your job more effectively. By understanding the internal operations of IOS Software, you will be able to take architectural considerations into account when designing networks and isolate problems more easily when troubleshooting networks. Inside Cisco IOS Software Architecture provides essential information on the internal aspects of IOS Software at this level, and it is an invaluable resource for better understanding the intricacies of IOS Software and how it affects your network.
Inide Cisco IOS Software Architecture begins with an overview of operating system concepts and the IOS Software infrastructure, including processes, memory management, CPU scheduling, packet buffers, and device drivers, as well as a discussion of packet switching architecture with detailed coverage of the various platform-independent switching methods, including process switching, fast switching, optimum switching, and Cisco Express Forwarding (CEF). The book then delves into the intricate details of the design and operation of platform-specific features, including the 1600, 2500, 4x00, 3600, 7200, 7500, and GSR Cisco routers. Finally, an overview of IOS Quality of Service (QoS) is provided, including descriptions of several QoS methods, such as priority queuing, custom queuing, weighted fair queuing, and modified deficit round robin.
About the Author
Curtis Murphy, CCIE #1521, is an engineer in Cisco's Serviceability Design Department in Research Triangle Park, specializing in IOS software products. He has worked in the networking industry since 1989 and at Cisco since 1994. While at Cisco, he has worked both as an IBM protocols specialist in the Technical Assistance Center and as a software engineer in IOS Software Development for mid-range and high-end routers.
Russ White, CCIE #2635, is a member of the IOS Network Protocols Deployment and Scalability Team at Cisco, where he is involved in the design and implementation of routing protocols and scalable network design.
Vijay Bollapragada, CCIE #1606, is currently a manager in the Solution Engineering team at Cisco, where he works on new world network solutions and resolves complex software and hardware problems with Cisco equipment. Vijay also teaches Cisco engineers and customers several courses, including Cisco Router Architecture, IP Multicast, Internet Quality of Service, and Internet Routing Architectures. He is also an adjunct professor in Duke University's electrical engineering department.
Top Customer Reviews
In saying all of this, the book is still a great piece of reference material.
The same information could probably be gathered from numerous Networkers presentations and similar, but here you've got it all.
The final chapter on QoS seems kinda misplaced, and not up to the same standards as the rest of the book.
I wish they'd make a similar book on the Catalyst switches.
Most Helpful Customer Reviews on Amazon.com (beta) (May include reviews from Early Reviewer Rewards Program)
After readings this book, you will be competent in the understanding of the operation of the Cisco router...what happens when a packet arrives, where does it get stored, how does it get processed and WHY does this matter? (solutions) I am currently studying for the CCIE, and besides this being a fantastic book to add to you arsenal of Cisco tools, it can be a much needed change of reading material from the typical routing or switching protocols you have probably been reading enough about.
I paid $8.00 for this "used". I feel like I robbed Cisco Press and the authors.
If you troubleshoot networks this is part of the magic bullet needed to help in understanding memory and memory pool allocation, IOS Resource Management, processes, CPU, buffers, and cache. The book spends quite a bit of time on large scale routers and needs to give a bit more focus on smaller scale equipement, also the information on Netflow is only 5 pages long
It also gave me a lot of little bits of knowledge that made sense but I hadn't thought about before. Example - if you have a 7206 stacked with fast ethernet cards but your only using half of them, IOS is allocating buffer space to every interface anyway, so pull those cards.
Other topics are queuing methods like weighted RED and a very coherent discussion of process/fast/CEF/distributed switching.
Pricey book but I thought it was worth it.
I felt the authors could have spent a little more time on the Cisco 12000 GSR section.
Though only 200 odd pages - its "packed" with stuff and it would take you a week to run through the book once.The first chapter is a killer - you will take time over it - so dont fret if your spending a lot of time there !!
Splendid effort !! When's the follow up expected ???
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