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Date:      Sun, 8 Oct 2000 18:35:29 -0700 (PDT)
From:      Archie Cobbs <archie@whistle.com>
To:        Tony Landells <ahl@austclear.com.au>
Cc:        freebsd-hackers@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG
Subject:   Re: netgraph help(?)
Message-ID:  <200010090135.e991ZTv86008@bubba.whistle.com>
In-Reply-To: <200010090059.LAA14336@tungsten.austclear.com.au> "from Tony Landells at Oct 9, 2000 11:59:44 am"

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Tony Landells writes:
> I'm trying to set up a multi-ethernet connection between two FreeBSD
> boxes so I can evaluate the performance of some of the network things
> (like IPSec) without bandwidth being an issue:
> 
>   -------------                                    -------------
>   | Machine A | 10.0.0.1  / fxp0-fxp5  \  10.0.0.2 | Machine B |
>   |           |----------<              >----------|           |
>   |           |           \ (600 Mbps) /           |           |
>   -------------                                    -------------
> 
> It looks like I need to use netgraph to do this, but I'm having trouble
> working out which pieces I need and how to put them together.
> 
> I've looked at getting the user-PPP to manage it as multilink PPPoE,
> and I think I've worked out the "server" configuration, but can't
> work out what needs to be done on the client to make the multilink
> connection.
> 
> Can anyone help me with this?

An alternative might be to create a new netgraph node that
round-robin's packets across the links. It would be easy
to write and pretty short too, and avoids PPP overhead.
I can help if you're interested.

Hmm... ng_round_robin(4)..  might be useful enough to add to
FreeBSD anyway.

-Archie

___________________________________________________________________________
Archie Cobbs   *   Whistle Communications, Inc.  *   http://www.whistle.com


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