snRtIpRipRouteFilterSubnetMask 1.3.6.1.4.1.11.2.3.7.11.12.2.3.4.1.4

Subnet mask to apply to the route IP address in a ip rip packet, the result is compared to snRtIpRipRouteFilterIpAddr. If snRtIpRipRouteFilterIpAddr is 0.0.0.0, this subnet mask value is ignored.