Maybe I overlooked some crucial information regarding the proper way to enable networking on a FEZ Spider together with the J11D Ethernet module. I was under the impression that my gadget was working fine and all, until I connected a whole bunch of them on the same LAN at the same time. Much to my surprise every single one of them was getting the SAME IP ADDRESS from the router (I’m using DHCP). Upon closer inspection, I noticed that all devices were reporting the same MAC address to the router – therefore, the same IP address was being given back to all the devices.
For all I know, every Spider should have its own unique (factory assigned) MAC address, isn’t that so? At least that’s what the sticker on the back of the board suggests. But that’s not what’s happening – they’re all reporting the same address to the router: 00-21-03-00-00-01
This got me quite puzzled and I hope someone can help me with this.