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Network Flow Analysis by Michael W. Lucas

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Flow Record Splitting and CUFlow

CUFlow is a useful tool for graphing the most common network situations, but it has its limitations. For example, you cannot select from multiple columns to, say, see how much HTTP traffic your web servers have sent; you can see only the total amount of HTTP traffic or the total amount of web server traffic. Also, you cannot perform true ad hoc reporting with CUFlow, but you can configure it to represent the most common questions about your network.

CUFlow's limitations hit home in certain environments. At one time I ran a data center that provided services to remote sites over a private MPLS network. Each plant had a T1 or E1, while the data center had a DS3. Every site got all of its services from the main data ...

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