Banwidth limited to 800kb per connection

[Wojciech Puchar]

>
> I agree.
>
> Check the interface on the device that connects into their network. You
> will likely see all sorts of interface errors.
>
> Try having them force to 100/Full, and you do the same at your end.
>
it's VERY common when other end is cisco switch ;) and nothing helps 
except using other NIC.

i have that problem with the ISP one place - the only card that worked 
well was ordinary RTL8139.