did u try it with sfq ? On Thu, 28 Oct 2004 18:55:00 +0200, Leslie Patrick Polzer <leslie.polzer@xxxxxxx> wrote: > Hello, > > I have a serious problem with HTB which I wasn't able to solve myself. > > I run a masquerading router with ppp0 as interface to the Internet. > Three clients need to share a downstream of 1 MBit, which I want > to divide with tc. > When I see a packet being forwarded to one of these clients, I give > it the appropriate unique mark: > > iptables -t mangle -A FORWARD -d 192.168.34.141 -j MARK --set-mark 1 > iptables -t mangle -A FORWARD -d 192.168.34.140 -j MARK --set-mark 2 > iptables -t mangle -A FORWARD -d 192.168.1.2 -j MARK --set-mark 3 > > Because it might be of interest: 192.168.34.0/24 is on network A > with 10 MBit, 192.168.1.0/24 is on network B with 100 MBit. > > I then attach an IMQ device imq0 to the FORWARD table: > > # delegate all incoming on ppp+ to imq0 > iptables -t mangle -A FORWARD -i ppp+ -j IMQ --todev 0 > > After all this I create the actual tc setup: > > # --- snip --- > # clear root qdisc > tc qdisc del dev imq0 root > > # add root qdisc (htb) > tc qdisc add dev imq0 root handle 1: htb default 40 > > # add root class (needed for bandwidth borrowing) > tc class add dev imq0 parent 1: classid 1:1 htb rate 1mbit ceil 1mbit > > # set classes for users > tc class add dev imq0 parent 1:1 classid 1:10 htb rate 333kbit ceil 1mbit \ > burst 15k > tc class add dev imq0 parent 1:1 classid 1:20 htb rate 333kbit ceil 1mbit \ > burst 15k > tc class add dev imq0 parent 1:1 classid 1:30 htb rate 333kbit ceil 1mbit \ > burst 15k > tc class add dev imq0 parent 1:1 classid 1:40 htb rate 5kbps > > # set filters to direct ips to their classes > tc filter add dev imq0 protocol ip parent 1: prio 1 handle 1 fw flowid 1:10 > tc filter add dev imq0 protocol ip parent 1: prio 1 handle 2 fw flowid 1:20 > tc filter add dev imq0 protocol ip parent 1: prio 1 handle 3 fw flowid 1:30 > > # --- snap --- > > 1:40 is just for testing. > > The 'rate'-argument gets applied correctly if I don't use ceil - but I > do, of > course, want to let the classes borrow free bandwidth, so I use a ceiling > of 1 MBit. And herein lies the problem: > > If 1:10 and 1:30 both download a file with full speed, 1:10 gets about > 20kb/s (which is under its guaranteed bandwidth!) and 1:30 gets > 90 kb/s. What is going wrong here? The shortened output of tc: > > class htb 1:1 root rate 1Mbit ceil 1Mbit burst 2909b/8 mpu 0b cburst > 2909b/8 mpu 0b level 7 > class htb 1:10 parent 1:1 prio 0 quantum 4262 rate 333Kbit ceil 1Mbit > burst 15Kb/8 mpu 0b cburst > class htb 1:20 parent 1:1 prio 0 quantum 4262 rate 333Kbit ceil 1Mbit > burst 15Kb/8 mpu 0b cburst > class htb 1:30 parent 1:1 prio 0 quantum 4262 rate 333Kbit ceil 1Mbit > burst 15Kb/8 mpu 0b cburst > class htb 1:40 parent 1:1 prio 0 quantum 1000 rate 40Kbit ceil 40Kbit > burst 1650b/8 mpu 0b cburst > > ...shows that each class is configured equal. > > Any clues? I'd be very, very grateful if anyone could point out errors. > If more output is needed, just tell me. > > Kind regards, > > Leslie > > _______________________________________________ > LARTC mailing list / LARTC@xxxxxxxxxxxxxxx > http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/ > -- Saad S. B. Faruque MCSE, RHCT, CCNA Head of NOC MTL BD Ltd. _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
