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On Mon, 15 Aug 2005, Jari Takkala wrote:
Hello,
We have a fairly large installation of both single and
failover-pair load balancers in an LVS-NAT setup. On one
of these fail over pairs, we have been experiencing
problems where the SYN+ACK reply from a real server does
not get source NAT'd to the VIP IP.
people were reporting intermittant SYN+ACK (or just SYN)
problems with LVS-NAT a while ago (maybe 6mo ago but don't
hold me to that date). No-one seemed to have much of an idea
what the problem was till Julian made some pronouncement
that it wasn't a problem. I don't remember why it wasn't a
problem - it's possible that you had to upgrade to a more
recent version of ipvs.
So look in the archives and see if you can make sense of
anything. If you find a fix, let me know and I'll put it in
the HOWTO. I'd assumed this problem had been solved but
since you're the second person with it, obviously it hasn't
been solved.
Joe
--
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!
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