Internet Engineering Task Force (IETF) D. Dugal Request for Comments: 6192 Juniper Networks Category: Informational C. Pignataro ISSN: 2070-1721 R. Dunn Cisco Systems March 2011 Protecting the Router Control Plane Abstract This memo provides a method for protecting a router's control plane from undesired or malicious traffic. In this approach, all legitimate router control plane traffic is identif