Per the documentation: http://tcpreplay.synfin.net/wiki/tcprewrite#RewritingLayer2
tcprewrite --enet-dmac=00:55:22:AF:C6:37 --enet-smac=00:44:66:FC:29:AF --infile=input.pcap --outfile=output.pcap You need to specify both source and destination MAC since Cisco HDLC has neither. On Sun, Sep 12, 2010 at 12:51 PM, Vikas Sharma <[email protected]> wrote: > Dear Aaron, > > Referring to your prompt response, please clarify. Which MAC addresses (src > / dst) ? > > Can you please give me an example command ? > > Regards > Vikas > > On Sun, Sep 12, 2010 at 11:20 PM, Aaron Turner <[email protected]> wrote: >> >> Actually, it's asking you for MAC addresses. Cisco HDLC does not have >> this information in the header and they are required for Ethernet. In >> your case, I recommend you just make them up- any valid MAC address >> will work. >> >> On Sun, Sep 12, 2010 at 4:58 AM, Vikas Sharma <[email protected]> wrote: >> > Dear Mr. Aaron Turner, >> > >> > >> > >> > My company is into security systems and had received a few CiscoHDLC >> > pcap >> > files (of 85 MBs each). >> > >> > >> > >> > Our software can only read only Ethernet packets and accordingly we >> > tried to >> > convert the CiscoHDLC pcap files into Ethernet (DLT) by using >> > >> > >> > >> > tcprewrite –dlt=enet --infile=input.pcap --outfile=output.pcap >> > >> > >> > >> > However the system (Ubuntu Lucid) asks for the source IP address and we >> > are >> > not able to provide that since that is not known to us (these are pcap >> > files >> > captured by an Endace DAG card on an OC3, STM line). >> > >> > >> > >> > Please suggest a way to convert CiscoHDLC pcap files into Ethernet pcap >> > files. >> > >> > >> > >> > I have enclosed the protocol stack of the CiscoHDLC pcap file along with >> > this email >> > >> > I await your response, >> > >> > >> > >> > Regards >> > >> > >> > >> > Vikas Sharma >> > >> > >> > ------------------------------------------------------------------------------ >> > Start uncovering the many advantages of virtual appliances >> > and start using them to simplify application deployment and >> > accelerate your shift to cloud computing >> > http://p.sf.net/sfu/novell-sfdev2dev >> > >> > _______________________________________________ >> > Tcpreplay-users mailing list >> > [email protected] >> > 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" >> >> >> ------------------------------------------------------------------------------ >> Start uncovering the many advantages of virtual appliances >> and start using them to simplify application deployment and >> accelerate your shift to cloud computing >> http://p.sf.net/sfu/novell-sfdev2dev >> _______________________________________________ >> Tcpreplay-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/tcpreplay-users >> Support Information: http://tcpreplay.synfin.net/trac/wiki/Support > > > ------------------------------------------------------------------------------ > Start uncovering the many advantages of virtual appliances > and start using them to simplify application deployment and > accelerate your shift to cloud computing > http://p.sf.net/sfu/novell-sfdev2dev > > _______________________________________________ > Tcpreplay-users mailing list > [email protected] > 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" ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Tcpreplay-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tcpreplay-users Support Information: http://tcpreplay.synfin.net/trac/wiki/Support
