NetFlow Switching

NetFlow switching provides network administrators with access to "call detail recording" information from their data networks. Exported NetFlow data can be used for a variety of purposes, including network management and planning, enterprise accounting and departmental chargebacks, ISP billing, data warehousing, and data mining for marketing purposes. NetFlow also provides a highly efficient mechanism with which to process security access lists without paying as much of a performance penalty as is incurred with other available switching methods.

This chapter describes NetFlow switching. It contains these sections:

  • NetFlow Switching Support

  • Accounting Statistics

  • The NetFlow Data Format

NetFlow Switching Support

NetFlow switching ...

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