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Posted October 12, 2009
comprehensive user manual
This book is essentially an extended user's manual for Cisco's recent Aggregation Service Router 1000. It puts the need and use of it in the context of running a private network that has to hook into a larger public network, which is typically the Internet. Thus the early chapters can be profitably read as general guidelines about finding the network hardware needed for your data center. Suggestions are proferred about the desirable features or functionality.
Most of the book goes into the specifics of the ASR 1000 family of routers. You are assumed to be the system administrator tasked with installing and running these products.
Each router runs linux; possibly because it was cheaper and easier for Cisco. It is unclear from the narrative how extensively Cisco modified the operating system. But this is mostly moot to you as a sysadmin. Any changes or fixes to modules would come from Cisco.
The book also shows that Cisco has gone headlong into supporting IPv6. Even though the full Internet has stalled in its migration, some customers may want to run v6 on their subnets and the ASR 1000 can handle this. Note that the text does talk extensively about Quality of Service as implemented by the ASR 1000. This appears to be different from the intrinsic QoS allowed by v6.
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Posted December 16, 2009
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