From owner-freebsd-questions  Fri Sep 22 23:10:42 2000
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Date: Fri, 22 Sep 2000 23:10:37 -0700
From: "Crist J . Clark" <cjclark@reflexnet.net>
To: Christian Bruhn Gufler <cbg@infooresund.dk>
Cc: questions@FreeBSD.ORG
Subject: Re: Routing
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In-Reply-To: <009401c0248c$698d4060$026410ac@MFD>; from cbg@mfd.dk on Fri, Sep 22, 2000 at 01:58:23PM +0200
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On Fri, Sep 22, 2000 at 01:58:23PM +0200, Christian Bruhn Gufler wrote:
> Hi there.
> 
> I set up my machine with FreeBSD, and enabled the following in /etc/rc.conf
> gateway_enable="YES"
> router_enable="YES"
> router="routed"
> router_flags="-s"

Do you really need to be running routed? Probably not.

> i got two netcards (intel EtherExpress Pro 100 + B) each assigned with a different IP adress - 172.16.50.1 subnet 255.255.0.0 AND 172.31.50.1 subnet 255.255.0.0
> 
> It works as a charm on the machine, but heres my problem

Great it works.

> When using the machine as a gateway for a different computer (on either side/netcard) the machine doesn´t seem to forward the trafic. I have compiled IPFIREWALL support - but I allowed all trafic from any to any(as the first entry).

Oh, wait. It doesn't work?

Could you describe the problem a little more clearly? What does work?
What does not?

  1. a) Can the gateway machine reach hosts on 172.16.0.0/16?
     b) Can the gateway machine reach hosts on 172.31.0.0/16?

  2. a) Can hosts on 172.16.0.0/16 reach the gateway?
     b) Can hosts on 172.31.0.0/16 reach the gateway?

  3. a) Do hosts on 172.16.0.0/16 have the proper default gateway entry?
     b) Do hosts on 172.31.0.0/16 have the proper default gateway entry?

  4. a) Can hosts on 172.16.0.0/16 reach hosts on 172.31.0.0/16?
     b) Can hosts on 172.31.0.0/16 reach hosts on 172.16.0.0/16?

-- 
Crist J. Clark                           cjclark@alum.mit.edu


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