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Method of preventing infection propagation in a dynamic multipoint virtual private network

  • US 20080047011A1
  • Filed: 08/01/2006
  • Published: 02/21/2008
  • Est. Priority Date: 08/01/2006
  • Status: Active Grant
First Claim
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1. A method of preventing infection propagation in a Dynamic Multipoint Virtual Private Network comprising:

  • receiving an indication at a hub router that a spoke router site, including a spoke router in communication with said hub router, has become infected;

    sending a purge message to said spoke router, said purge message directing said spoke router to purge at least one Next Hop Resolution Protocol (NHRP) request; and

    purging, by said spoke router, at least one cached entry from a database and refraining from resolving any next-hop requests from said spoke router.

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