Date: Mon, 14 May 2007 17:40:18 +0200 From: "=?ISO-8859-1?Q?Ermal_Lu=E7i?=" <ermal.luci@gmail.com> To: rajkumars@gmail.com Cc: freebsd-pf@freebsd.org Subject: Re: Load balancing with ratio Message-ID: <9a542da30705140840y549de4cl23894803db5c44d2@mail.gmail.com>
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You can use tagging for that with prob rules and then use route-to on tags.
Since PF will use route-to only if the rule when route-to is matched
you can do like
pass bla.. prob 30% ..bla tag ROUTE1
pass bla.. prob 70% ..bla tag ROUTE2
pass bla route-to ($whatever1) tagged ROUTE1
pass bla route-to ($whatever2) tagged ROUTE2
Sorry about the syntax not being correct but you can use the man page
to do that.
I have not tested that but anyway it should work.
> Hi,
>
> pf can do outbound load balancing using route-to and provide the ext
> interface and gateway ip like { ($ext_if1 $ext_gw1), ($ext_if2
> $ext_gw2) } round-robin. But the algorithm is only round-robin which
> may not be appropriate if the two links are asymmetric, say an 1MB
> line and 256kbps line.
>
> Is there any way to provide some ratio like 1:4 where out of 5
> packets/bytes 4 will be via one link and one via other link?
>
> I have gone through the docs and this feature does not seem to exist
> any where, so if some one can give a starting place to look, where I
> can do some hacking, that would also be fine.
>
> raj
>
>
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