wfVinesIfSyncPortNumber 1.3.6.1.4.1.18.3.5.8.8.1.40

The Sync port number required to determine number of RTP packets sent for each network. It can only take a value between 1 - 4. It correspond to the Sync port number on this slot only. If it is 4.2 for example, then the port number should be 2.