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Date:      Fri, 6 Nov 2009 17:23:14 +0100
From:      "Catalin Miclaus" <CatalinM@starcomms.com>
To:        "no name" <britneyfreek@googlemail.com>, "Kevin" <k@kevinkevin.com>
Cc:        freebsd-pf@freebsd.org
Subject:   RE: Question about round robin
Message-ID:  <3A0AA7018522134597ED63B3B794C92A0702E0A4@STA-HQ-S001.starcomms.local>
In-Reply-To: <-3431979369893017739@unknownmsgid>
References:  <00a201ca5ef6$7a4f3ee0$6eedbca0$@com> <-3431979369893017739@unknownmsgid>

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As workaround you can write a script to check availability and update pf =
config accordingly that you can run from cron every minute.



















Catalin Miclaus I ISP/Data Team
Starcomms Plc.



-----Original Message-----
From: owner-freebsd-pf@freebsd.org [mailto:owner-freebsd-pf@freebsd.org] =
On Behalf Of no name
Sent: Friday, November 06, 2009 4:52 PM
To: Kevin
Cc: freebsd-pf@freebsd.org
Subject: Re: Question about round robin

i am not quite sure but i assume pf does no availabililtty checks as
responses from systems behind an address might take too long...

- regards

Am 06.11.2009 um 16:34 schrieb "Kevin" <k@kevinkevin.com>:

> Hello,
>
>
>
> I am curious about simple round robin load balancing w/ PF. I see
> how simple
> it is to setup within the FreeBSD configuration file, but have a
> fairly
> simple question.
>
> Does PF detect if one of the addresses in the "pool" is not
> responsive? Or
> does it just blindly send traffic to all the addresses in the pool
> regardless? Is there some sort of heartbeat functionality or status
> check
> perhaps? Has anyone accomplished something along these lines? Load
> balancing
> would be pretty useless if I couldn't take a server out of the pool
> without
> having to re-configure PF every time.
>
>
> Any comments are appreciated!
>
>
> Thanks,
>
>
> Kevin
> www.stardothosting.com
>
>
>
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