I solved my problem by myself, by studying devik's HTB manual: http://luxik.cdi.cz/~devik/qos/htb/manual/userg.htm Here are my remarks for those browsing the mailing list archive. The line that made me realize what I was doing wrong is: "The rate supplied for a parent should be the sum of the rates of its children." Apparently I was confusing the purpose of 'rate' to that of 'ceil' and HTB was not too happy about it. Tobia _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc