* Aaron Turner wrote, On 06/11/06 17:24: > Hi Amin, > > On 11/6/06, Amin Azez <[EMAIL PROTECTED]> wrote: >> I'm doing bridge/router testing. >> >> Using tcpprep and a test device with 2 network ports, I can plug either >> side of a bridge and send packets through the bridge in the right >> directions. >> >> I even get the packet sequence right, if I restrict the transmission >> rate to 10 packets a second.. > > The packet sequence doesn't change with higher speeds. Sounds like > your device inline is introducing enough delay that it is getting > confused when the reply is being received before it is done processing > the request.
Thats exactly it. One of the directions is through a wireless hope which adds delay in one box > > I suppose it's also possible that kernel in your tcpreplay box is > buffering the packets and not sending them when tcpreplay actually > sends it. That too. If that is the case, I'd love to hear more about what > OS/Hardware you're running. I'm testing some bandwidth-shaping devices. >> "It would be good if..." tcpreplay looked to receive a mostly-matching >> packet header to be received before sending back the next packet. > > Sounds like Tomahawk. good tip! That is precisely what I was looking for. >> I'm not looking for being able to replay against a live server, just to >> replay packets in two directions in-sequence. > > Again, packet order does not change with speed, unless something > outside of tcpreplay's control is causing delays. Honestly, I don't > have any intention of adding this functionality to tcpreplay since > tomahawk already does it, but I won't turn down a decent patch either. Make sense. We'll see what comes out of my work. Thanks for the informative response. Sam ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Tcpreplay-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tcpreplay-users
