The IP address type of Vrrpv3OperationsEntry and
Vrrpv3AssociatedIpAddrEntry. This value determines
the type for vrrpv3OperationsMasterIpAddr,
vrrpv3OperationsPrimaryIpAddr, and
vrrpv3AssociatedIpAddrAddress.
ipv4(1) and ipv6(2) are the only two values supported
in this MIB module.