Question about round robin

[Catalin Miclaus]

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 at freebsd.org [mailto:owner-freebsd-pf at freebsd.org] On Behalf Of no name
Sent: Friday, November 06, 2009 4:52 PM
To: Kevin
Cc: freebsd-pf at 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 at 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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