Ok I tested the shaping on the SDSL line with netperf and an host outside. Same script than before, I classify the packets into qdisc based on the source address in netfilter and here are the result, that's with sfq. I'm positive on the right traffic going to the right class. TCP STREAM TEST to 81.57.243.113 (NORMAL) Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^3bits/sec 87380 8192 8192 60.00 282.90 TCP STREAM TEST to 81.57.243.113 (LOWPRIO) Recv Send Send Socket Socket Message Elapsed Size Size Size Time Throughput bytes bytes bytes secs. 10^3bits/sec 87380 8192 8192 61.00 390.00 In fact the rate are just share sometimes it's the LOWPRIO that has more Sometimes it's the NORMAL traffic... As a note, there were other traffic on the line at the same moment I didn't classify but I was expecting the ratio to be kept (LOWPRIO is prio 5, 50kbits, NORMAL is prio 1 200kbits) Well I need to investigate more, I don't understand why it don't work on the SDSL line... My installation is quite simple : Cisco Router <-> Linux Box (QOS) <-> LAN And I was testing egress traffic from LAN to internet, but it's the same for ingress. Do this can appear if the ratio I put are bigger than the actual line ?? And again what is a good ratio/ceil for a so sold 2mbits SDSL line ?? Gaël. _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc