In article <20010321185417.F21709@necsom.com> you wrote: > is it possible to use linux plus some software to do that? > did any1 do this? any hints ? I would use: - malformed packets generated by netlib, see "packet generators on freefire" - generate a lot of flows, see nmap (connect mode) on freefire - use tcpblast, pchar, spray... diag tools to measure througput - use tcpdump and the build in echo/sink port of inetd as the taget Freefire: www.freefire.org In the tools section you wil find some hints on traffic generators for Linux and on sniffers. > i need to send as many packets per second as possible (to fill up > 100Mbit/s link). the packets could be short (64B), but there should be > a lot of them. I would test all kinds of trafic patterns.. you may need to send from more than one client. Don't have much experiences with them.. Greetings Bernd - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org