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Date:      Wed, 18 Jan 2006 13:42:17 +0100
From:      =?ISO-8859-1?Q?Sten_Daniel_S=F8rsdal?= <lists@wm-access.no>
To:        Josh Finlay <montarotech@optusnet.com.au>
Cc:        freebsd-pf@freebsd.org
Subject:   Re: Multiple DSL lines, load sharing / shaping
Message-ID:  <43CE37A9.1000707@wm-access.no>
In-Reply-To: <009101c61c29$38736000$0600a8c0@delta>
References:  <025201c61a86$2e7383e0$0600a8c0@delta>	<d5992baf0601160816o73bfca90g2e4005fd3ce04657@mail.gmail.com> <006801c61c0c$7e1aaae0$0600a8c0@delta> <43CE159D.6070000@wm-access.no> <007b01c61c22$120ebf60$0600a8c0@delta> <43CE2FE1.3020303@wm-access.no> <009101c61c29$38736000$0600a8c0@delta>

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Moving to private only.

>> Is it even possible in PF?
>=20
> I have no idea ;-)

I don't think it is.

>=20
>> Are you talking about a webserver on your end and IP1 meaning an user
>> from the internet? Or the other way around?
>=20
> No sorry the other way around. IP1 is one of our lines, and by web
> server I mean any webserver on the internet.
>=20
>> And are you using NAT?
>=20
> Yes. I was hoping to implement a round-robin NAT as described by anothe=
r
> reply to my original post. Providing it all works as I would like it to=
=2E

Aha! Then you should instead either prefer to use PF or IPFW fwd with
keep-state. What you need is to make sure all traffic from one session
leaves the right pipe. I mentioned that NAT breaks packet perfect
forwarding.

>=20
>> That can be accomplished if you want.
>> What do you prefer? "packet perfect" forwarding for maximum throughput=

>> on your uploads or stream friendly balancing - and perhaps better
>> overall performance - for many users?
>=20
> Better overall performance for end users. There is a network of 30
> workstations, all in active use about 16hrs of each day.

I'd say PF or IPFW with fwd + keepstate will be the way you want to go.
Not the way i initially mentioned.

>=20
>> Have you ever considered multilink ppp?
>=20
> multilink ppp? hmm that is definately something I may have to look into=
=2E
> Infact from memory of waht I know about it, it could possibly be exactl=
y
> what I am looking for.
> Do you have much experience with multilink ppp that you could pass on
> before I jump in blindfolded and bring my whole network down? ;-)

Not really.

--=20
Sten Daniel S=F8rsdal


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