vRtrIfBfdExtMultiplier 1.3.6.1.4.1.6527.3.1.2.3.71.1.5

The value of vRtrIfBfdExtMultiplier specifies the the number of consecutive BFD messages that must be missed from the peer before the BFD session state is changed to down and the upper level protocols (OSPF, IS-IS or PIM) are notified of the fault.