There is a video stream which is 24x7 on. Firefox plays it back and unfortunately keeps going into HD mode which is not desirable, causing gigabytes of unwanted traffic. I have not found any way to fix it into a lower quality in client computer. Thus I'm thinking about throttling it in my FreeBSD router. IPFW can do it, but there is more than one remote IP address which must be throttled, complicating the setup. I have NATD running, but my understanding is there is no throttling option. Ideas how to do it with least pain are welcome. Thanks.