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Redirection to a virtual router

  • US 6,885,667 B1
  • Filed: 12/26/2000
  • Issued: 04/26/2005
  • Est. Priority Date: 12/26/2000
  • Status: Active Grant
First Claim
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1. In a first router that supports a virtual router protocol, a method of sending a redirect packet to a host, the redirect packet notifying the host that specific packets are to be redirected to a second router, the method comprising:

  • receiving a packet from the host, the packet including a source address identifying the host and a destination address identifying a destination network;

    ascertaining the destination network of the packet from the destination address;

    obtaining from a routing table an address of a next router that is coupled to the packet'"'"'s destination network;

    determining whether the next router and the host identified by the source address of the packet are on the same network; and

    when it is determined that the next router and the host are on the same network, composing the redirect packet notifying the host that packets addressed to the destination network are to be redirected to a virtual address of the next router and sending the redirect packet to the host.

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