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NETFLOW COLLECTION AND EXPORT OFFLOAD USING NETWORK SILICON

  • US 20160380865A1
  • Filed: 06/26/2015
  • Published: 12/29/2016
  • Est. Priority Date: 06/26/2015
  • Status: Active Grant
First Claim
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1. A method for collecting Netflow data via functionality implemented in a hardware component of a network device, the method comprising:

  • programming the hardware component with a plurality of 7-tuple filters, each 7-tuple filter defining a set of 7 packet header field values defining a respective Netflow;

    detecting, via the hardware component, whether a packet belongs to a given Netflow using the plurality of 7-tuple filters;

    if a 7-tuple filter match is detected, adding data associated with the packet to Netflow data for the Netflow corresponding to the 7-tuple filter match;

    collecting, via the hardware component, Netflow data for a plurality of Netflows; and

    forwarding the Netflow data that is collected to one of a Netflow export agent and a Netflow collector.

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