@Virgo I appreciate the time, but the whole point of my post was that I am unable to change VPN settings at sites 1,2, and 4. I apologize if I didn't make that clear enough.

I have 4 sites. Each has a VPN link to at least 2 others. For clarification here is the jist: Site 1 connected to 2, 3, 4. Site 2 to 1,3,4. Site 3 to 1,2. Site 4 to 1, 2. (Site 3 and 4 don't need to...