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Date:      Mon, 12 Feb 2001 13:16:04 +1100
From:      Kal Torak <kaltorak@quake.com.au>
To:        phil grainger <phil@ozxpress.com.au>
Cc:        FreeBSD-isp <freebsd-isp@FreeBSD.org>
Subject:   Re: ip redirection
Message-ID:  <3A874764.376C64B0@quake.com.au>
References:  <5.0.2.1.2.20010211154104.02709190@freebsd.cnnet.com.au>

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phil grainger wrote:
> 
> hi,
> our isp recently got a satellite feed and i managed to get the squid
> talking via the sat ip's ...
> 
> no i am wanting to use the satellite for incoming ftp and incoming napster
> traffic.
> 
> our servers run a 203. (land line) and 209. (satellite) networks our
> clients use
> 203. ip's
> 
> our clients gateway is a freebsd 3-stable machine although i can change that
> to a linux 2.2 box (of course i would prefer the freebsd solution!)
> 
> the freebsd box is running ipnat and ipfw
> 
> has anyone got any advice on how to manage this


So you want to force all ftp and napster traffic to use the satellite?
And there is a program under linux that will let you do this???

If your saying what I think your saying I dont think its possible...
Do you handle your route advertisements to your upstream? Iv never had a
multihomed system, so im working on theory here, but even if you are doing
routing via BGP or whatever your upstream supports, I dont think you can
do that kind of thing...

But you can easily make all your out going ftp/napster connections go
out via the satellite, the way they come to you though is decided by routers
not under your control...

You can do the outgoing with ipfw fwd or some proxy I guess, but since it seems
you want to control incoming, I really dont think you can besides deny it on
the route you dont want it using...

I was hoping someone with more experience with multihoming and routes would of
answered you by now, but I havent seen any replies so I am just have a bash at
giving you an answer based on my theoretical knowledge on the subject :)

Good luck,
I hope someone can give you a better answer!
Kal.


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