Wireshark, netperf and sctp problem

[Michael Tüxen]

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 at 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
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