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Joseph,
Thanks for your answer !
>but all you're looking for is an address that will
>deliver packets locally.
I just want to verify that I understand correctly; suppose the real
server is a web server. Suppose we configure its lo:0 as the VIP
address. Does it mean that it will get requests on the
VIP address and will send Responses from the real device (say eth0)
with the IP on eth0 as source IP ? (since the loopback lo:0 we
configured as the VIP is only in order to deliver packets locally, as
you said)?
Regards,
DS
Regards,
On Dec 24, 2007 4:42 AM, Joseph Mack NA3T <jmack@xxxxxxxx> wrote:
> 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
>
> --
> 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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