From: Taylorville, IL
None of what you are showing makes any sense.
Please don't "wing it" on the terminology. Please describe the environment in a standardized way using industry correct terminology. Things like "PC direct from VPN modem" don't really have any meaning to me,...in fact in the over a decade I have been doing this I have never seen a "VPN Modem".
Also just because something "exists" does not describe how it is all built to work together. All I can see it that you have 2 Sites and a "VPN",..that is all,...I cannot see how it is all put together and have know idea what type of VPN it is (Remote Access VPN, Site-to-Site VPN,etc)