Thanks,
that makes sense :)
G
On Nov 14, 2007 4:20 PM, Aaron Turner <[EMAIL PROTECTED]> wrote:
> If the hosts A and C are on different networks (there are one or more
> routers between them), then you don't need to know the MAC address of
> C, only the MAC address of the first hop gateway to C. Generally this
> is your default gateway/router, but you'll have to consult the routing
> table on A to verify.
>
> Then rewrite the traffic so that the IP addresses are A->C, but the
> MAC addresses are A->gateway.
>
> -Aaron
>
> On Nov 14, 2007 12:44 PM, Gergely Biczók <[EMAIL PROTECTED]> wrote:
> > Hi,
> >
> > I am trying to use tcpreplay for a network measurement project.
> > I am basically doing the following:
> > - capture trace on machine A (1 TCP + 1 long UDP session, all traffic
> > between A and B)
> > - modify pcap file to replay traffic between A and C (I had trouble with
> > tcpprep/rewrite so I used another tool bittwist)
> > - use tcpreplay on machine A to replay traffic between A and C (hosts
> are on
> > completely different network)
> >
> > As far as I know, rewriting the traffic was succesful, and when
> replaying,
> > tcpdump on the replaying machine (A) shows proper behavior.
> > However I cannot see any traffic on machine C.
> >
> > From the archives I see that this is probably MAC addresses of B and C
> not
> > matching.
> > How can I fix this? I will not know the MAC address of C.
> >
> > Regards,
> >
> > G
> >
> >
> >
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>
>
>
> --
> Aaron Turner
> http://synfin.net/
> http://tcpreplay.synfin.net/ - Pcap editing & replay tools for Unix
> They that can give up essential liberty to obtain a little temporary
> safety deserve neither liberty nor safety. -- Benjamin Franklin
>
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