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Inside Cisco IOS Software Architecture (CCIE Professional Development)
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Author: Vijay Bollapragada, Russ White, Curtis Murphy, Vijay Bollapragade
List Price: $55.00
Our Price: Click to see the latest and low price
ISBN: 1578701813
Publisher: Cisco Press (17 July, 2000)
Edition: Hardcover
Sales Rank: 47,905
Average Customer Rating: 4.67 out of 5
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Customer ReviewsRating: 4 out of 5
Very Good Information - You need this.
I was looking for this information to supplement the information provided in the support exam documentation and the performance field guide from MG Hill, and online docs. This book has great information but does need to have a different name as I thought this would be more geared toward how the IOS was actually programmed and give a better understanding of IOS versions.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
Rating: 4 out of 5
What there is is pretty good.
There is a lot of good information in this book that I've never seen anywhere else, so I'm going to give it 4 stars...though, it should be called something like "How some Cisco routers switch packets and use buffers". It is far from a thorough treatment of IOS internals- but what is there is well written and valuable. I especially enjoyed the discussions about the algorithms and data structures used by the various fast switching methods.
Rating: 5 out of 5
The Book on Cisco Buffers
This book centers around buffer allocations and buffering problems. It will give you a better understanding of when different buffers are used. I think the title should have been "Cisco IOS Buffering, What you need to know".You definitely have to read between the lines to fill in what all is happening to the data as it flows through the router in different ways. I feel that it is rather limited in it's descriptions of the IOS SW Architecture so don't expect to come away with the full details on how IOS does its job. This is not a book for beginners.
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