Controlling DL-2s via ArtNet on GrandMA

All:

Has anyone had success controlling DL-2s directly from a GrandMA via ArtNet? I'm certain the ArtNet subnet is set correctly, and I'm seeing the proper DMX values on another ArtNet output device I setup as a troubleshooting tool, but I seem unable to talk to the DL-2s directly via ArtNet. And the DL-2s are set to use ArtNet.

Is the fact that I'm using a user-assigned IP address (192.168.1.0 /24) for the DL-2s screwing w/the required ArtNet addressing scheme? That's the only straw I have left to grasp at, it appears. Perhaps I'll try altering the DL-2 addresses to be in the 2.x.x.x IP range ArtNet requires.

I'd love some friendly tips if anyone has them.

Thanks!

PJS
Paul J. Sonnleitner