For future reference... i have discovered my problem. It had nothing to do with the packet header.
When i was dropping packets, in one place in my simulation i didn't have a return statement... so what would happen is i would clear the packet... but then carry on through the procedure as if the packet was there... this resulted in blank packets example if(condition){ drop(p, WHY); return; } If you dont have that return = problesms! Thanks for the assistance Ariel On Mon, Mar 15, 2010 at 12:17 PM, Ariel Goldberg <ariel.goldbe...@gmail.com>wrote: > Hi All > > I am experiencing a problem when i add a new variable to the common header. > The new variable is a double, and my simulation starts to produce blank > packets and does strange things when it is there... > > I was wondering if anybody could give me some advice or direct me towards a > detailed guide as to how to add new information into the common header or > into any header in fact? > > -- > Kind Regards > > Ariel Goldberg > > Mobile: +27 82 998 7122 > Phone: +27 21 940 9757 > Mail: ariel.goldbe...@gmail.com > -- Kind Regards Ariel Goldberg Mobile: +27 82 998 7122 Phone: +27 21 940 9757 Mail: ariel.goldbe...@gmail.com