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Jan 26, 2016
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stripe v0.3c Written by Foeh Mannay, January 2016 PURPOSE ======= "stripe" is a tool which attempts to remove any and all encapsulating headers (i.e. VLAN tags, MPLS shim headers, PPPoE, GRE, L2TP, GTP and VXLAN) from a pcap file, leaving plain old payload over Ethernet. This is useful as some tools cannot work with encapsulated frames and, until now, I couldn't find any automatic way to convert a pcap with such headers into a usable format. The nested IP fragment re-assembly support *seems* to be stable now and is at the point where I can no longer find any pcap files that trip it up. Please feel free to contribute any that you find! This version of stripe adds VXLAN support on the two standard UDP ports (8472 and 4789). Please see http://networkingbodges.blogspot.com/ for more information on the theory behind this if you are interested. INSTALLATION ============ For Linux / Mac / MinGW it should be possible to build from source using: gcc -o stripe stripe.c I will make some binaries available for convenience but I make no assurances that I will keep them up to date. USAGE ===== There are only two parameters and both are mandatory. You must specify your input capture file (original pcap format) with the -r flag and your output capture file with the -w flag. Here's an example: Harrys-MacBook-Air:stripe foeh$ ./stripe -r mpls-frames.cap -w clean-frames.cap Parsing capfile... 4 frames processed. Harrys-MacBook-Air:stripe foeh$ CHANGE LOG ========== v0.1a First working release, tested with 802.1Q VLANs, MPLS, GRE and PPPoE. L2TP in development. v0.2a Added "experimental" GTP support, realised the need to pad small frames! v0.3a Added IP fragment reassembly support v0.3b Added VXLAN support v0.3c Fixed L2TPv2 support, which flat out didn't work up until now.