Date: Fri, 27 May 2011 10:59:59 -0400 From: Tom Worster <fsb@thefsb.org> To: <freebsd-net@freebsd.org> Subject: Can net.inet.tcp.msl be set per interface? Message-ID: <CA0534AF.15912%fsb@thefsb.org>
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[[I asked this yesterday on -questions, probably the wrong list]] If a server has one interface to the Internet and another interface to a switch connecting to a few other servers, it seems TCP's MSL value might reasonably be set a lot lower on the private interface. I'm specifically thinking of a lot of short MySQL connections(*) between the servers on the private LAN. The average number of MySQL client connections in TIME_WAIT will be proportional to MSL. And, while the circumstances under which a long MSL would help anything are unimaginable on the LAN, they are not on the Internet. So can net.inet.tcp.msl be set per interface? (*) Or similar: Sphinx, memcached, perhaps. Tom
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