I have done this before using Protel, maybe you can do something
similar.  In Protel, I cahnged the properties of the pads so they are
either top or bottom layer only rather than multilayer, sort of like if
they were surface mount.  After autorouting you can change them back.

Joep Schrokn wrote:
>
> Hello everyone,
>
> I'am designing a mp3 player board and get some problems with Eagle Designers
> Autorouter...
> I want to autoroute a dual layer PCB, how can I tell the autorouter Not to
> route trough layers with the pins of components.. So he uses a via and not
> the pins of the Ic's and Resistors?
>
> Anyhelp is welcome,
>  Thanks in advance,
>    Joep Schroen
>
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