You need to read this: http://tcpreplay.synfin.net/wiki/FAQ#Doestcpreplaysupportsendingtraffictoaserver
You may want to try: http://code.google.com/p/wireplay/ Although I have no experience with it On Wed, Feb 1, 2012 at 12:50 AM, Senthil Kumar S <senthilkuma...@sasken.com> wrote: > The traffic is fully TCP traffic, with some UDP packets (DNS queries and > responses). > > Src ip and dst ip's are always between the NAT box ip and the server ip in > the internet. ex: src ip=10.2.12.156 ; dst ip= 203.22.15.75 (dst ip changes > based on the server available in the internet). > > I am replaying this traffic without making any changes using tcpreplay tools. > This scenario is ok?? or I need to do any changes in the way the traffic gets > replayed??. > > Regards > S. Senthil kumar > > > -----Original Message----- > From: Aaron Turner [mailto:synfina...@gmail.com] > Sent: Wednesday, February 01, 2012 12:41 PM > To: Main forum for tcpreplay > Subject: Re: [Tcpreplay-users] An Help needed in using tcpreplay for behind > NAT setup > > What kind of traffic? You know TCP traffic won't work right? Also, have you > verified the src/dst IP and MAC addresses of the packets match up to > something the NAT gateway will accept? Ie: the correct dst IP/MAC (needs to > be the interface of the NAT box tcpreplay is > facing) and the source IP is in the right subnet (so routing works). > > Been a while since I played with iptables, but you should look in the log > files and see how the packets are being processed. > > > On Tue, Jan 31, 2012 at 9:53 PM, Senthil Kumar S <senthilkuma...@sasken.com> > wrote: >> Hi, >> >> Thanks for your reply. I am sorry to give you a whole lot of >> explanation below, >> >> NAT box set up is done with the iptable commands >> >> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE >> >> This works good if I browse or if connect to internet from the behind nat >> windows pc. >> >> So I thought the same is enough and so I didn make any changes in the >> captures with respect to tcpreplay. I just pumped the traffic I already >> captured using tcpreplay in the nat box eth0 interface. Still the traffic is >> not received by the behind nat windows pc. >> >> Any small help is really appreciable. >> >> Regards >> S. Senthil kumar >> >> >> >> -----Original Message----- >> From: Aaron Turner [mailto:synfina...@gmail.com] >> Sent: Wednesday, February 01, 2012 5:41 AM >> To: Main forum for tcpreplay >> Subject: Re: [Tcpreplay-users] An Help needed in using tcpreplay for >> behind NAT setup >> >> Not really a whole lot to go on, but obviously I'd make sure your NAT config >> is correct and that the destination MAC/IP/Ports are correct. >> And read any logs on the NAT box. >> >> On Tue, Jan 31, 2012 at 2:41 AM, Senthil Kumar S <senthilkuma...@sasken.com> >> wrote: >>> Hi All, >>> >>> >>> >>> I am using tcpreplay version - 3.4.4 for my testing activity. >>> >>> >>> >>> My test set up consists of, >>> >>> >>> >>> one windows pc sits behind nat (eth0 ---> connected to eth1 of nat >>> pc), one nat pc (eth1 --> connected to behind nat windows pc, eth0 >>> ---> connected to ubuntu pc where tcpreplay is running), one ubuntu >>> ---> pc >>> where tcpreplay is running (eth0 ---> connected to eth0 of nat pc). >>> >>> >>> >>> I had already taken some captures and trying to replay that traffic >>> using tcpreplay from the ubuntu pc (in the above mentioned set up). >>> problem is packets are received in eth0 of the nat pc but not >>> forwarded to the behind nat (windows) pc. >>> >>> >>> >>> Is there anything I need to do with tcpreplay??? >>> >>> >>> >>> kindly help. >>> >>> >>> >>> Regards >>> >>> S. Senthil kumar >>> >>> >>> >>> >>> >>> >>> ________________________________ >>> SASKEN BUSINESS DISCLAIMER: This message may contain confidential, >>> proprietary or legally privileged information. In case you are not >>> the original intended Recipient of the message, you must not, >>> directly or indirectly, use, disclose, distribute, print, or copy any >>> part of this message and you are requested to delete it and inform >>> the sender. Any views expressed in this message are those of the >>> individual sender unless otherwise stated. Nothing contained in this >>> message shall be construed as an offer or acceptance of any offer by >>> Sasken Communication Technologies Limited ("Sasken") unless sent with >>> that express intent and with due authority of Sasken. Sasken has >>> taken enough precautions to prevent the spread of viruses. However >>> the company accepts no liability for any damage caused by any virus >>> transmitted by this email. >>> Read Disclaimer at http://www.sasken.com/extras/mail_disclaimer.html >>> >>> --------------------------------------------------------------------- >>> - >>> -------- Keep Your Developer Skills Current with LearnDevNow! >>> The most comprehensive online learning library for Microsoft >>> developers is just $99.99! Visual Studio, SharePoint, SQL - plus >>> HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you >>> subscribe now! >>> http://p.sf.net/sfu/learndevnow-d2d >>> _______________________________________________ >>> 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 >> >> >> >> -- >> Aaron Turner >> http://synfin.net/ Twitter: @synfinatic http://tcpreplay.synfin.net/ >> - Pcap editing and replay tools for Unix & Windows Those who would give up >> essential Liberty, to purchase a little temporary Safety, deserve neither >> Liberty nor Safety. >> -- Benjamin Franklin >> "carpe diem quam minimum credula postero" >> >> ---------------------------------------------------------------------- >> -------- Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft developers is >> just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro >> Style Apps, more. Free future releases when you subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> 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 >> >> ---------------------------------------------------------------------- >> -------- Keep Your Developer Skills Current with LearnDevNow! >> The most comprehensive online learning library for Microsoft >> developers is just $99.99! Visual Studio, SharePoint, SQL - plus >> HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you >> subscribe now! >> http://p.sf.net/sfu/learndevnow-d2d >> _______________________________________________ >> 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 > > > > -- > Aaron Turner > http://synfin.net/ Twitter: @synfinatic http://tcpreplay.synfin.net/ > - Pcap editing and replay tools for Unix & Windows Those who would give up > essential Liberty, to purchase a little temporary Safety, deserve neither > Liberty nor Safety. > -- Benjamin Franklin > "carpe diem quam minimum credula postero" > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers is > just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro > Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > 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 > > ------------------------------------------------------------------------------ > Keep Your Developer Skills Current with LearnDevNow! > The most comprehensive online learning library for Microsoft developers > is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, > Metro Style Apps, more. Free future releases when you subscribe now! > http://p.sf.net/sfu/learndevnow-d2d > _______________________________________________ > 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 -- Aaron Turner http://synfin.net/ Twitter: @synfinatic http://tcpreplay.synfin.net/ - Pcap editing and replay tools for Unix & Windows Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. -- Benjamin Franklin "carpe diem quam minimum credula postero" ------------------------------------------------------------------------------ Keep Your Developer Skills Current with LearnDevNow! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-d2d _______________________________________________ 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
