Date: Thu, 30 Sep 2004 17:43:11 -0700 From: "Andrew Wenlang Zhu" <Andrew.Zhu@hp.com> To: <freebsd-net@freebsd.org> Subject: How to use FreeBSD/Dummynet to fragment IP packets Message-ID: <01ae01c4a74f$a12fb5d0$6f690d0f@americas.hpqcorp.net>
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Hello: I use a freebsd system running Dummynet as a middle box to test network behavior. The setup likes this: System A ------------- FreeBSD with Dummynet ------------ System B Network traffic flows between System A and B, and the traffic is a mix of TCP, UDP and ICMP. I need the Dummynet system to fragment IP packet to a specified packet size. It is OK that all traffic get fragmented, but even it is better if I can specify a certain percentage of packet to be fragmented. I looked into Dummynet man page, but cannot find how to do packet fragmentation. Does any one know how to use Dummynet to fragment packet? Or any other open source software can achieve this? Thanks, Andrew
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