Well why not use tcpreplay in dual-nic mode to simulate the hosts on the other side of the network? You'll have to rewrite the MAC addresses as well of course, but tcprewrite does that too. Sorry, I don't know enough about OVS to really provide better ideas then that. -- Aaron Turner https://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 Sat, Jul 9, 2016 at 12:01 AM, Big Strong <fangtu...@gmail.com> wrote: > Yes, I know that. After mapping, I can still not get flows for traffic from > my inner addresses to outside addresseses, because they are not reachable > (offline). So my idea is to reverse the src ip and dst ip so that the > outward traffic (payload) can generate flows on OVS. Is there any way to do > that using tcpreplay? > > 2016-07-09 13:24 GMT+08:00 Aaron Turner <synfina...@gmail.com>: >> >> Well if your inner IP addresses are contiguous, you could always use >> the --pnat option to map the IP addresses to that range. >> -- >> Aaron Turner >> https://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 Fri, Jul 8, 2016 at 5:46 PM, Big Strong <fangtu...@gmail.com> wrote: >> > Er... Switching ip addr is enough, I'm replaying the traffic in a >> > openvswitch switch, I want the traffic to generate flows, which requires >> > the >> > destination IP to be accessible. I can replace the IP to be addresses in >> > my >> > network, but that means I can only generate flows whose destination is >> > inner >> > IPs, while traffic from these inner IPs still cannot generate flows. And >> > that's why I want to exchange the ip addr, to generate flows for traffic >> > start from inner IPs. >> > >> > 2016-07-09 0:52 GMT+08:00 Aaron Turner <synfina...@gmail.com>: >> >> >> >> Nope, there isn't any "swap source & dest" option. I can maybe sorta >> >> understand swapping the src/dst IP, but I have no idea why anyone >> >> would want to do the same for the port. Care to share your use case? >> >> >> >> >> >> -- >> >> Aaron Turner >> >> https://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 Fri, Jul 8, 2016 at 4:56 AM, Big Strong <fangtu...@gmail.com> wrote: >> >> > is it possible to use tcprewrite to exchange the src ip/port and dst >> >> > ip/port? I mean exchange all the packets automatically, instead of >> >> > one >> >> > by >> >> > one handcraft modification for each packet. >> >> > >> >> > >> >> > >> >> > ------------------------------------------------------------------------------ >> >> > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in >> >> > San >> >> > Francisco, CA to explore cutting-edge tech and listen to tech >> >> > luminaries >> >> > present their vision of the future. This family event has something >> >> > for >> >> > everyone, including kids. Get more information and register today. >> >> > http://sdm.link/attshape >> >> > _______________________________________________ >> >> > 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 >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> >> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> >> Francisco, CA to explore cutting-edge tech and listen to tech >> >> luminaries >> >> present their vision of the future. This family event has something for >> >> everyone, including kids. Get more information and register today. >> >> http://sdm.link/attshape >> >> _______________________________________________ >> >> 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 >> > >> > >> > >> > >> > ------------------------------------------------------------------------------ >> > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> > Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> > present their vision of the future. This family event has something for >> > everyone, including kids. Get more information and register today. >> > http://sdm.link/attshape >> > _______________________________________________ >> > 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 >> >> >> ------------------------------------------------------------------------------ >> Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San >> Francisco, CA to explore cutting-edge tech and listen to tech luminaries >> present their vision of the future. This family event has something for >> everyone, including kids. Get more information and register today. >> http://sdm.link/attshape >> _______________________________________________ >> 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 > > > > ------------------------------------------------------------------------------ > Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San > Francisco, CA to explore cutting-edge tech and listen to tech luminaries > present their vision of the future. This family event has something for > everyone, including kids. Get more information and register today. > http://sdm.link/attshape > _______________________________________________ > 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 ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape _______________________________________________ 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
