Patent ID: 9467459
Filing Date: 2016-10-11
CPC Classification: H04L,H04W

Claim Text:
1. A method for detecting a rogue router by a network device operating in a network comprising: transmitting, by a rogue router detector, a router solicitation message, wherein the router solicitation message contains information that enables a client device to perform an autoconfiguration; receiving by the rogue router detector a plurality of response messages to the router solicitation message from a first plurality of router devices; analyzing the plurality of response messages to the router solicitation messages, wherein analyzing includes determining whether any of the plurality of response messages is indicative of a rogue router; and in response to a determination that a response message indicates a rogue router, forwarding information identifying the rogue router to a rogue router remediator on a network management server, wherein the rogue router detector is on a device other than a client computing device.