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TCP SACK: Windows and Solaris incompatible?

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jerryshao

jerryshao

Technical User
Oct 17, 2001
24
CA
Hi,

I have some cvs clients running on Windows, and a cvs server running on Solaris 8. I realize the network performance is very poor.

By turning on snoop on Solaris, I found the following problem:
In the options of TCP Syn packets, both W2K and Solaris 8 claim they are "sackOK". But the Solaris doesn't seem to recognize the TCP sequence numbers in the sack options sent form a W2K machine. As a result, the Solaris resends a lot of TCP packets unnecessarily.

So I wonder if the Solaris SACK implementation is different from the Windows? Has anyone got the similar problem?

Thanks

 
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