PfSense locks up
I have been using PfSense for about 6 months now with no issues. Just recently I have setup a router in the DMZ for remote access VPN. The VPN seems to work well for about 3-4 minutes, but then the PfSense locks up on the LAN and DMZ inside interfaces. To make it even more strange, the VPN tunnel still stays established. This is a diagram of my setup-
Any errors on the console?