etsysVrrpExtOperCriticalIpAddrCount 1.3.6.1.4.1.5624.1.2.64.1.1.1.5

The number of Critical IP addresses that are associated with this virtual router. This number is equal to the number of rows in the etsysVrrpExtCriticalIpAddrTable that correspond to a given IF index/VRID pair.