Hi....I'm trying to do the same thing for testing/experimentation purposes...
I have setup the IPSEC in transport mode, I think I am having trouble with the GIF/bridging piece of it.
Hopefully someone can help me shed some light on where I am going wrong....my desired end result is a LAN at layer 2 stretched across the WAN (while being secure)
Right now I cannot ping any hosts on the opposite end of the tunnel
Below is my config...let me know if you need to see more....all firewall rules for all interfaces except wan are */any
I should also note that both of these pfsense machines are on vmware esxi boxes...
Thanks for any help!