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Method for using DHCP and marking to override learned IP addesseses in a network

  • US 5,922,049 A
  • Filed: 12/09/1996
  • Issued: 07/13/1999
  • Est. Priority Date: 12/09/1996
  • Status: Expired due to Term
First Claim
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1. A method for routing packets in a computer network that includes one or more client systems connected to a router, the router including one or more routes, each route mapping an IP address to a client system, the method comprising the steps, performed by the router, of:

  • detecting the allocation of a specified IP address to a specified client system;

    creating a new route within the router, the new route mapping the specified IP address to the specified client system;

    marking the new route so that it can only be overwritten by a subsequent DHCP address assignment;

    deleting routes stored within the router that are invalidated by the new route; and

    routing IP packets in accordance with the routes stored within the router.

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