> On Monday 16 December 2002 18:02, Robert Brueckmann wrote: > > Hi! > > > > I just tested my HTB setup. But I have a problem. Let's assume I run the > > following script (even if it might do nothing useful, just for > > demonstrating my problem): > > > > #!/bin/bash > > /usr/sbin/tc qdisc add dev ppp0 root handle 1: htb default 12 > > /usr/sbin/tc class add dev ppp0 parent 1: classid 1:1 htb rate 125kbit ceil > > 125kbit > > /usr/sbin/tc class add dev ppp0 parent 1:1 classid 1:14 htb rate 125kbit > > ceil 125kbit prio 0 > > iptables -A POSTROUTING -t mangle -o ppp0 -p tcp --dport ftp-data -j > > MARK --set-mark 14 > > tc filter add dev ppp0 parent 1:0 prio 0 protocol ip handle 14 fw flowid > > 1:14 > > > > I have an adsl-connection (768kbit down/128kbit up), Linux kernel 2.4.20. > > The script should do nothing to an outgoing ftp-upload, since I grant all > > the available bandwith to it. No other traffic is happending during all > > that, only one ftp-upload from a computer inside the LAN. I start the > > upload without the rules above, and the upload is at a constant maximum of > > 128kbit/sec. After running the script above and waiting for say 5 seconds, > > the upload speed drops down to app. 80 kbit/s! After removing the rules > > above, the speed climbs up again to top speed. > Have you tried with other rates and ceil values? > And you defined a default class 12, but there is no such class. > Ftp-data can use dynamic ports. So can you check that the iptables line with > "--dport ftp-data" is really catching the ftp packets?? > If I reduce rate and ceil, it doesn't work properly either. I tried setting the rate to 8kbit and the ceil to 16kbit and the upload did get less than 2kbyte/s, it was app. 1,3kbyte/s. I modified the script to satisfy the need for the default class 12: #!/bin/bash /usr/sbin/tc qdisc add dev ppp0 root handle 1:0 htb default 12 /usr/sbin/tc class add dev ppp0 parent 1:0 classid 1:1 htb rate 125kbit ceil 125kbit /usr/sbin/tc class add dev ppp0 parent 1:1 classid 1:12 htb rate 25kbit ceil 125kbit prio 1 /usr/sbin/tc class add dev ppp0 parent 1:1 classid 1:14 htb rate 100kbit ceil 125kbit prio 0 iptables -A POSTROUTING -t mangle -o ppp0 -p tcp --dport ftp-data -j MARK --set-mark 14 tc filter add dev ppp0 parent 1:0 prio 0 protocol ip handle 14 fw flowid 1:14 The ftp-data-port rule works for all active ftp-connections, and the packet dounter of the rule increases just as I expected. Any ideas, why the rate crashes down with these rules? May the processor-power be the problem? The router is a Pentium-200, 64mb ram. Thanks, Robert _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
