I can't figure out how or when the routes are actually computed when using vlan.tcl. I know there is a LanRouter object, but from LanRouter.cc all it does is call lookup_flat (hier)(lanaddr_, adst, next_hopIP) from RouteLogic. That implies the routing table is already computed. I would like to know how and where in the code that table is filled for the LanRouter object. Thanks. Tarik