Did anyone ever have any success with this?
I've spent all day attempting to get pfsense 2 (Dec 29th snapshot, i386) to bridge, and am feeling somewhat stupid. I've managed to fail spectacularly (including somehow generating a few MBps of arp traffic across the bridge), and eventually managed to get traffic to travel one way across the bridge but somehow get responses stopped on the way back.
My scenario is something similar to the original poster's. I have a 'WAN' interface in a DMZ created behind an external firewall, NAT'd behind this interface is the entire collection of "LAN" networks, In the DMZ, I intend to have a number of hosts (currently in private address space, but will eventually move into public address space), but wish to transparently filter access to/from them.
Has anyone successfully managed to configure transparent bridging with filtering under pfsense 2?