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Multiple network configuration with local and remote network redundancy by dual media redirect

  • US 6,324,161 B1
  • Filed: 04/30/1998
  • Issued: 11/27/2001
  • Est. Priority Date: 08/27/1997
  • Status: Expired due to Term
First Claim
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1. A communications configuration, comprising:

  • a first network medium having a first IP address;

    a second network medium having a second IP address;

    a first host station, comprising;

    a first interface connected to communicate with the first network medium using the first IP address;

    a second interface connected to communicate with the second network medium using the second IP address;

    a third network medium having a third IP address;

    a fourth network medium having a fourth IP address;

    at least a first router station coupled between the first network medium and the third network medium;

    at least a second router station coupled between the second network medium and the fourth network medium; and

    a second host station, comprising;

    a first interface connected to communicate with the third network medium using the third IP address;

    a second interface connected to communicate with the fourth network medium using the fourth IP address; and

    memory programmed to perform the steps of;

    detecting a communications failure along a first communication path including the first interface of the first host station, the first network medium, the first router station, the third network medium, and the first interface of the second host station; and

    responsive to the detected failure, redirecting communications addressed to pass from the second host station to the first host station to pass along a second communication path from the second host station to the first host station such that redirected communications are not attempted by the second host station to the first host station along the first communication path.

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