wont autoroute accross layers??!!??

[Dalmation]

Hello,

When I autoroute (on a 2 layer board), it just keeps going forever using only the copper top layer. It NEVER places a trace on the copper bottom and I certainly have never seen it place a via.

Whats going on?

I've set layer bias to horizontal and vertical for top and bottom respectively. Vias are set to a grid, it knows about the other layer.

It's killing me doing manual traces- can anyone help out?

Thanks in advance.

Michael.

[nestor-sg]

Check your spreadsheet view, the nets tab, scroll right until you see 'routing layers' column, select all your nets using the <SHIFT> key and click on any row on that routing layer cell, make sure all layers are selected. Click OK.

If currently you see nets with a "10" in that cell, that means only copper top will route. If you see "11" it means top and bottom will route.

[lacy]

You can also do this from the Net List Editor, but this only allows you to change one net at a time. I thought I would just let everyone know this. Nestor's technique is the fastest way of doing this, but it doesn't hurt to know of other ways to accomplish a task.

[Dalmation]

Thanks- Its working brilliantly now!!

Sorry- I noticed it had been asked before- I didnt get a chance to search the forum before posting- but again, your help is appreciated.

-Dalmation