[George_w]

I was setting the MAC addr on my actual laptop, and connecting the SH directly to the laptop. (It was just easier than using the router administration page to keep changing the MAC etc)

I never had this problem when I originally had my old modem and swapped routers for a new one (I just copied the WAN MAC from the old router, and updated my current router with that MAC address) and it worked perfectly well (that would be because the old modem I had was based on a "learned mode?")

Now I was assuming that the SH is doing the same thing (when in modem mode), as when you use a different NIC with a different MAC and reboot the SH, you get a different IP address, but if you swap them back around, you get the same IP address previous to what you had before - IE. :00 could of been *.*.*.88 and :01 could of been *.*.*.100 - hope I haven't made that too complicated.

I have also seen a couple of posts saying that normally, the MAC address to set would be one hex higher than that on the side of the SH, but like I said previously this isn't working.