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On Sun, 23 Dec 2007, David Shwatrz wrote:
My question is : suppose I have 2 NICs on each real
server. Is there any advantage of configuring the VIP on
the loopback device against configuring it on eth1 ?
should configuring the VIP on eth1 work ?
In the early days (<=2.2) any device on the realserver was
OK for the VIP (eg dummy0, eth1). I haven't checked since
then, but all you're looking for is an address that will
deliver packets locally. Since then the linux kernel has
gotten a lot more anal/precise about such things and much
that we used to be able to do in 2.0.x doesn't work anymore
and I can't see any reason why the old behaviour was wrong.
So it's reasonable to think that eth1 should work, but I
haven't checked it for recent kernels
Joe
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Joseph Mack NA3T EME(B,D), FM05lw North Carolina
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