vrPpIpPortCriticalIpLinkToVrrp 1.3.6.1.4.1.562.2.4.1.100.3.5.18.24.1.1

This attribute defines which IpVrrpPort this CriticalIp interface belongs to. When this interface goes down, the IpVrrpPort that this Critical Ip interface is associated with is inactive and can not be elected as master.