RJ,
Everything you write makes perfect sense. I have A/B tested every software and physical component of this setup (besides the LE and it turned up functional when I drove it from my DIY DMX tester.)
So, I wasn't getting any ENet packet data after the E1.31 header before but now I am. (I have no idea why.) Below, is a frame for Universe 1 of a random pattern in Vixen. I can also see each of the four universes being sequentially output in separate packets in the Wireshark capture file.
I have flashed the ETD with DMX firmware multiple times.
I can see the ETD ENet jack LED getting banged by the laptop.
I can see the LE DMX LED lit the moment the ETD is connected and powered.
I have successfully driven the LE with a DIY DMX tester.
We seem to be isolating the problem down to the EtherDongle at the component level.
----------------------------------------------------------
No. Time Source Destination Protocol Length Info
1 0.000000 169.254.176.207 239.255.0.1 UDP 680 Source port: 57119 Destination port: sdt
Frame 1: 680 bytes on wire (5440 bits), 680 bytes captured (5440 bits)
Ethernet II, Src: CompalIn_57:46:63 (88:ae:1d:57:46:63), Dst: IPv4mcast_7f:00:01 (01:00:5e:7f:00:01)
Internet Protocol Version 4, Src: 169.254.176.207 (169.254.176.207), Dst: 239.255.0.1 (239.255.0.1)
User Datagram Protocol, Src Port: 57119 (57119), Dst Port: sdt (5568)
Data (638 bytes)
0000 00 10 00 00 41 53 43 2d 45 31 2e 31 37 00 00 00 ....ASC-E1.17...
0010 72 6e 00 00 00 04 31 20 4f 5c 2b a9 0f 48 9c 02 rn....1 O\+..H..
0020 fe dd f2 dd b1 e7 72 58 00 00 00 02 50 49 58 45 ......rX....PIXE
0030 4c 4e 45 54 00 45 54 48 45 52 44 4f 4e 47 4c 45 LNET.ETHERDONGLE
0040 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
0060 00 00 00 00 00 00 00 00 00 00 00 00 64 00 00 00 ............d...
0070 00 00 01 72 0b 02 a1 00 00 00 01 02 01 00 ff 00 ...r............
0080 ff ff ff ff 00 ff ff ff ff 00 ff ff ff ff ff 00 ................
0090 ff ff 00 ff 00 ff ff 00 ff ff ff ff ff ff 00 ff ................
00a0 ff ff ff ff 00 ff ff ff 00 ff ff ff ff ff ff ff ................
00b0 ff ff 00 ff ff ff ff ff 00 ff 00 ff ff 00 ff ff ................
00c0 ff ff ff ff 00 ff ff ff ff ff 00 00 ff 00 ff 00 ................
00d0 ff ff ff 00 ff ff 00 ff ff ff ff ff 00 ff ff ff ................
00e0 ff 00 ff ff ff ff ff ff 00 ff ff 00 00 ff ff ff ................
00f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff 00 ff ................
0100 ff ff ff ff 00 ff ff ff ff ff ff 00 ff ff ff ff ................
0110 ff 00 ff ff ff 00 00 ff 00 ff ff ff ff ff ff ff ................
0120 ff ff 00 00 ff ff ff ff ff ff ff ff ff 00 ff ff ................
0130 ff ff ff 00 ff ff ff ff ff ff ff ff ff ff ff ff ................
0140 ff ff 00 ff 00 ff ff ff ff ff ff ff ff ff ff ff ................
0150 ff ff ff ff 00 ff ff ff ff ff ff ff 00 ff ff ff ................
0160 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0170 ff ff 00 ff ff ff ff ff ff ff 00 ff ff ff ff ff ................
0180 ff 00 ff ff ff ff 00 ff ff ff ff ff ff ff ff ff ................
0190 ff ff ff 00 ff 00 ff 00 ff 00 00 ff ff ff ff ff ................
01a0 ff ff ff ff ff ff ff ff ff ff ff ff 00 ff ff ff ................
01b0 ff ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff ................
01c0 ff ff ff ff ff ff ff ff ff ff 00 ff ff ff ff 00 ................
01d0 ff ff 00 ff ff ff ff ff ff ff ff 00 ff ff ff ff ................
01e0 ff ff ff ff ff ff ff ff ff ff ff ff 00 00 ff 00 ................
01f0 ff ff 00 ff ff ff 00 ff ff ff 00 ff ff ff 00 00 ................
0200 ff ff ff ff ff ff ff ff 00 ff ff ff ff ff 00 ff ................
0210 ff ff ff 00 ff ff ff ff ff ff ff ff 00 ff ff ff ................
0220 ff ff 00 ff 00 00 ff ff ff ff 00 00 ff ff ff 00 ................
0230 ff 00 ff ff ff ff ff 00 ff ff ff ff ff ff ff ff ................
0240 ff 00 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................
0250 ff ff ff ff ff ff 00 ff 00 ff ff 00 ff ff ff ff ................
0260 ff ff ff ff 00 00 00 ff ff ff ff ff ff ff ff ff ................
0270 ff ff ff ff ff ff ff ff 00 00 00 ff ff ff ..............