We currently have the firewall configured with an outside, inside, failover, DMZ and secure interfaces. We have a business partner that connects to us via an MPLS line and connects via the DMZ. The users are able to connect to the inside interface but are not able to connect to the segment on the other side of the VPN tunnel. I get a "no route to x.x.x.x from x.x.x.x. The VPN tunnel work fine from the inside interface.