combining 2 ADSL Lines

[Ted Mittelstaedt]

Hexren,

  People have asked about your scenario dozens of times on various
DSL usergroups for at least the last 4 years.  We see this all
the time on the Zebra and Quagga mailing lists.

  In a word, it's not possible.

  I've told numerous people it's not possible on these mailing
lists and been sworn at, had people tell me I didn't know what
I was talking about, etc. etc.  None of these people who
were insistent that there was a way to get it to work ever ended
up doing so then coming back and saying 'nanner nanner nanner, I
was right and you were wrong'

  While your introduction of a second server 'in the internet'
is an interesting variation of this question, it's still impossible.

  IF you get multiple DSL lines from the SAME isp, and assuming
that isp is setup for it, you could theoretically run multilink PPP.

  Most people in your situation end up just setting NAT's on their DSL lines
and use the same internal IP range for each NAT device, this creates
multiple default gateways on their internal networks, then they
put one of the default gateways on half of the machines and the
other default gateway on the other half.  Quite obviously for a
single FTP or whatever transfer, this isn't going to double the
speed.  But if you have a bunch of systems on your LAN it works
OK for splitting the load.

Ted

> -----Original Message-----
> From: owner-freebsd-questions at freebsd.org
> [mailto:owner-freebsd-questions at freebsd.org]On Behalf Of Hexren
> Sent: Friday, December 17, 2004 6:33 AM
> To: freebsd-questions at freebsd.org
> Subject: combining 2 ADSL Lines
>
>
> I have the following problem, I have 2 ADSl Lines and would like to
> combine those 2 into 1 big. I have full control of both the gateway
> from my LAN and another Server in the internet which I coud use as a
> second gateway.
>
> What I am thinking of is something like virtualizing so that in the
> end I have VirtualInterface1 which is DSL1 and DSL2.
>
>
> As you might see I am a bit lost for words to even describe in English
> what I need. So if my words where not clear please do ask and if you have
> any suggestions on how that problem could be solved or even only some
> intelligent search terms for goggle. Please answer ;)
>
>
> Thanks
> Hexren
>
>
> p.s. Multilink PPP is unfortunately not an option as the lines are
> rented from different providers (I think that is prohibiting multilink
> isn't it ?) :(
>
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