Patent ID: 8307442
Filing Date: 2012-11-06
Classification: H04L

Abstract:
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 request; wherein the at least one next-hop request is a request to determine a next hop to send one or more packets; purging, by said spoke router, the at least one next-hop request from a database; refraining, by said spoke router, from resolving one or more next-hop requests; and receiving an indication at said hub router that the spoke router site including said spoke router in communication with said hub router is no longer infected, and sending a resume message to said spoke router wherein the hub router comprises a processor.