> > For a packet that is not for local host, > > but comes in on one interface and goes > > out on another; (1) > > Will that packet traverse PREROTING, FORWARD and POSTROUTING > > on _both_ underface, or (2) > > will that packet traverse PREROTING, FORWARD and POSTROUTING > > only once, where PREROTING is when a packet "is in" the incoming > > physical interface, and is in FORWARD and POSTROUTING when > > the packet "is in" the outgoing interfave? > > > Maybe this can help : > http://www.docum.org/stef.coene/qos/kptd/ No. It would help if you told me what is right. The figure I got from before, and really don't rule out number one.