First problem is probably a network driver or other hardware issue (possibly the switch itself).
Second problem sounds like a memory leak. Maybe. Dunno, since you didn't say what version of tcpreplay you're using nobody can help you. Side note: mirror/SPAN ports often drop packets. -- Aaron Turner http://synfin.net/ Twitter: @synfinatic Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. -- Benjamin Franklin On Wed, Jun 17, 2015 at 11:12 AM, Hashem Alaidaros <aidaros....@gmail.com> wrote: > Hi, I'm Aid, > My tesbed: I run tcpreply on a PC1 (ubuntu 12.04 with Dell, i7 CPU, and 32 > RAM, 1Gbps NIC) on eth0 which is connected to a Giga switch which forward > the traffic (using port mirror) to another PC2 for traffic analysis. > Pcap size: 11 GB > > First, I run the following command > tcpreplay -i eth0 -M 100 data.pcap > Then after few seconds suddenly eth0 become down. I need to use ifdown and > ifup then it works fine, then again down and so on. > 1) What is the cause? and How to solve this issue? > > Then I run the following command (just add -K) > tcpreplay -i eth0 -K -M 100 data.pcap > It works and eth0 is not hanging, but RAM (with 32 GB although the pcap size > is 11 GB) suddenly filled from 5 MB to 32 GB full and system hang (monitored > by htop). > 2) What is the cause? and How to solve this issue? > > I want to replay the pcap once only > > I hope someone answer the two questions above, thanks > > > ------------------------------------------------------------------------------ > > _______________________________________________ > Tcpreplay-users mailing list > Tcpreplay-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/tcpreplay-users > Support Information: http://tcpreplay.synfin.net/trac/wiki/Support ------------------------------------------------------------------------------ _______________________________________________ Tcpreplay-users mailing list Tcpreplay-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tcpreplay-users Support Information: http://tcpreplay.synfin.net/trac/wiki/Support
