Hi, There is some extra information in this email! I am working on implementing Diffserv on linux project. I am using suse 8.0 professional kernel 2.4.21. I have the following RPM:iproute2-2.4.7-697.rpm This supports a number of linux qdisc like cbq, htb among many others but it has no support for DSMARK, which I wish to use. Does anyone know of any patch that I could used or any other solution so that use of dsmark is possible. Traffic control using the other qdiscs is working fine! When I tried to implement the qdisc Dsmark, I got the message unknown qdisc: dsmark. I see that the solution for this in many cases is changing the tc_config_diffserv to ''y'', but the rpm does not provide such a possibility as there is no reference to the dsmark qdisc in the rpm at all? Thanks in advance N --------------------------------- ALL-NEW Yahoo! Messenger - all new features - even more fun!