Establishing Sessions with All VRRP NeighborsBFD sessions can be established for all VRRP neighbors at once, or a session can be established with a particular neighbor.Figure 16. Establishing Sessions with All VRRP NeighborsTo establish sessions with all VRRP neighbors, use the following command.• Establish sessions with all VRRP neighbors.INTERFACE modevrrp bfd all-neighborsEstablishing VRRP Sessions on VRRP NeighborsThe master router does not care about the state of the backup router, so it does not participate in any VRRP BFD sessions.VRRP BFD sessions on the backup router cannot change to the UP state. Configure the master router to establish an individual VRRPsession the backup router.To establish a session with a particular VRRP neighbor, use the following command.• Establish a session with a particular VRRP neighbor.INTERFACE modevrrp bfd neighbor ip-addressExamples of Viewing VRRP SessionsTo view the established sessions, use the show bfd neighbors command.172 Bidirectional Forwarding Detection (BFD)