Patent ID: 7573812
Filing Date: 2009-08-11
Classification: H04L

Abstract:
1. A router comprising: an active Virtual Router (VR) which is part of an active Virtual Router Redundancy Protocol (VRRP) group which has a corresponding active VR associated with a remote router; one or more passive VR(s) which is/are part of a passive VRRP group which has one or more corresponding passive VR(s) associated with the remote router; and said active VR and said corresponding active VR implement VRRP while said passive VR(s) and said corresponding passive VR(s) do not implement VRRP but instead the passive VR(s) mimic a master/backup state associated with the active VR and the corresponding passive VR(s) mimic a master/backup state associated with the corresponding active VR.