> Let's say a packet comes from node A interface ath0 of node B, and
> there is a route on node B for the packet to go to node C, route which
> use the same interface ath0. In this case, you might want to add a
> cost to hop over the same wireless interface.
 
>Ok, good idea. I quickly made a patch:
>http://www.open-mesh.net/changeset/1276
 
>Feel free to test it. :-)
 
>Regards,
>Marek

But how would batman choose the next hop if at every node there are two interfaces available. The ideal ofcourse would be 11a->11b->11a->11b->11a on each hop.

Regards

Kartik