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Date: Tue, 05 Dec 2006 09:06:00 +0100
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Subject: load balancing and sticky address
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Hello
=20
I=20would=20like=20to=20use=20smart=20sticky=20address=20fuction.
The=20problem=20is:
=20
table=20<lb>=20{=2010.0.0.1,=2010.0.0.2,=2010.0.0.3=20}
rdr=20on=20xl0=20inet=20proto=20tcp=20from=20any=20to=20IP=5FPUBLICO=20po=
rt=2080=20->=20{=20<lb>=20}
round-robin=20sticky-address
pass=20in=20quick=20log=20on=20xl0=20proto=20tcp=20from=20any=20to=20<lb>=
=20port=2080=20flags=20S/SA
modulate=20state=20(src.track=201800)
=20
I=20want=20to=20remember=20old=20(finished)=20sessions=20traces=20for=203=
0=20minutes,=20and
do=20the=20same=20decision=20in=20load=20balancing=20for=20that=2030=20mi=
nutes.
=20
Problem=20is=20when=20one=20of=20the=20destination=20hosts=20fail.
If=20clientA=20is=20using=2010.0.0.2=20and=2010.0.0.2=20fails=20sticky=20=
address=20option
will=20force=20pf=20to=20route=20traffic=20from=20clientA=20to=2010.0.0.2=
=20for=20next=2030=20minutes.
=20
How=20can=20i=20solve=20such=20problem=20?
=20
Is=20the=20exactly=20the=20same=20problem=20as=20described=20in:
http://archives.neohapsis.com/archives/openbsd/2006-05/2815.html
=20

=20=20
Thanx
Michal