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Arrangement for tracking IP address usage based on authenticated link identifier

  • US 20060028996A1
  • Filed: 08/09/2004
  • Published: 02/09/2006
  • Est. Priority Date: 08/09/2004
  • Status: Active Grant
First Claim
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1. A method in an Internet Protocol (IP) based router in a network, the method comprising:

  • creating a cache entry specifying an authenticated client identifier and a corresponding authenticated link identifier for a client device attached to the network based on the authenticated link identifier;

    receiving a message that specifies the authenticated link identifier and a source IP address;

    adding the source IP address to the cache entry specifying the authenticated link identifier based on parsing the message; and

    outputting to an audit resource a record that specifies the source IP address and the authenticated link identifier.

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