I am using tcprewrite version 3.4.1 (build 2229).

-----Original Message-----
From: Aaron Turner [mailto:synfina...@gmail.com] 
Sent: Thursday, December 16, 2010 12:42 AM
To: Main forum for tcpreplay
Subject: Re: [Tcpreplay-users] tcprewrite: UDP checksum error when fragmenting 
it

2010/12/15 Виноградов Юрий <vin123...@mail.ru>:
> Hello everyone!
>
>
>
> I have an error in checksum field in first UDP-fragment, when I try to make
> fragmentation my one UDP datagram.
>
> As I know, the checksum original UDP datagram must be the same as checksum
> fragmented UDP datagram, but I get different L
>
> my script is:
>
> tcprewrite --fragroute=frag.cfg --infile=1udp.pcap --outfile=1udp_frag.pcap
>
> my frag.cfg contains:
>
> ip_frag 1000
>
> 1udp.pcap is ~1300 bytes long

Possible bug.  what version of tcprewrite are you using?

-- 
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"

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