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Method of detecting network errors

  • US 6,134,678 A
  • Filed: 10/01/1997
  • Issued: 10/17/2000
  • Est. Priority Date: 05/13/1997
  • Status: Expired due to Term
First Claim
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1. A method in a computer system of transferring control of network traffic between network interface cards (NICs), the method comprising:

  • determining the address of a first network interface card (NIC), the network interface card being enabled;

    assigning said address to at least a second network interface card, the second network interface card being disabled;

    sending at least one data packet from a protocol stack to said address;

    disabling said first NIC if said data packet is not received in a predetermined period without receipt of additional packets elapses; and

    responsive to the disabling, enabling said second network interface card.

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