> Okay, except if I drop the ceil of 1:11 to 50kbps, I can get about > 150-200k/s from the webserver, which tells me that there is no > bottleneck on the webserver or on the remote sites pulling the data > down. > > What else could account for the fact that there is no backlog? Only bug. :-| Just to eliminate potential bugs please try to add burst 20k to all your classes (1:1,10,11) and send me statistics again - the one during download is enough. It would be nice to do it like: while true; do tc -s -d class show dev eth8; sleep 1;done > file to get idea what is done during whole time. There is still "brute force" way: run htb with debug 3333333 and do tcpdump of packets. But it would be time consuming way :( By the way, what speed is the machine ? devik