Thanks for all the input, It would seem that D-Link don't have a good
reputation.
In the end I managed to update the "firmware" on the D-Link Adsl modem
by downloading the latest Adsl+2 firmware from Dlink. Which turned out
to be a windows.exe (Talk about frustrating, the Dlink is a linux device
and I'm running Linux on the firewall and yet I still have to have a
copy of winblows in order to upgrade my Linux appliance!)
Anyway this appears to have fixed the problem. Modem has been up for
about a week now with no packet loss.
P.
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