Date: Thu, 4 Mar 2010 17:29:31 -0500 From: jhell <jhell@DataIX.net> To: frank.schuster01@web.de Cc: =?ISO-8859-15?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de>, freebsd-net@freebsd.org Subject: Re: Wireshark, netperf and sctp problem Message-ID: <alpine.BSF.2.00.1003041728050.7404@qvfongpu.qngnvk.ybpny> In-Reply-To: <2002812000@web.de> References: <2002812000@web.de>
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On Fri, 19 Feb 2010 02:27, frank.schuster01@ wrote: > Hi Michael, > > yeah, I see dropped packages. > But did you mean only that wireshark didn't capture all packages on ubuntu? > Or did you mean that the packages will be really dropped by the kernel? > > Because I think it's the first one, can I display the dropped packages - is there any configuration for wireshark? Yes, Menu: Statistics -> Summary > > Regards > Frank > >> Hi Frank, >> >> you might want to send both wireshark trace to me and I would have a look. >> >> If it is a bulk transfer, maybe the Ubuntu machine did not capture all packets. >> The number of dropped packets is displayed when you stop capturing. >> >> Best regards >> Michael >> >> On Feb 18, 2010, at 3:35 PM, frank.schuster01@web.de wrote: >> >>> Hello, >>> >>> I have a problem with my little network test. >>> I want to test sctp between ubuntu and freebsd. >>> On ubuntu I wrote a iptables rule which delete every tenth (10) data package. Freebsd has no firewall rules. >>> But only ubuntu sends data and freebsd only acknowledge this data (i did the test with netperf). >>> >>> On the sending side (ubuntu) I see in wireshark 24 data packages, and on the receiving side (freebsd) I saw 82 packages. >>> But I can't explain, why freebsd receives more packages as delivered from ubuntu? (I have currently only one freebsd system). >>> >>> Any ideas or something additional notes to help me? >>> >>> Is the problem by wireshark or the kernel implementation? >>> >>> Regards >>> Frank > -- jhell
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