snRtUdpHelperAddr 1.3.6.1.4.1.11.2.3.7.11.12.2.2.9.3.1.1.3

The UDP helper address. This is the address that UDP packets will be forwarded. It can be a helper address or a subnet broadcast address. But it cannot be 255.255.255.255 or 0.0.0.0.