I've just noticed some additional details. I fired up a wireless client just now, and wasn't able to get to the internet. I also couldn't ping that wireless device from my LAN. I logged into the pfSense box and couldn't ping the device from their either. However, I then pinged the IP address of the DI-524 (192.178.107.2) and as soon as I did that, pings from the LAN to the wireless device started working, and the wireless device could reach the internet.
I stopped traffic (no pings or web requests) and wait a moment or so. Next request fails, and no ping responses from wireless client. As soon as I ping 192.168.107.2 from the pfSense box, everything immediately starts working.
Nothing shows up in the logs during this time.
It definitely sounds like a routing issue, but I'm not sure what to do to solve it. From what I understand, I shouldn't need a static route configured since everything on the WLAN is part of the same network that is assigned to the WLAN interface.
Any other tips or pointers? Anywhere else I can look to figure out what is going on?
Thanks,
-Ed