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Date:      Thu, 8 Feb 2001 11:04:34 -0600 (CST)
From:      Nick Rogness <nick@rogness.net>
To:        Julian Zottl <julianz@vsl.cua.edu>
Cc:        FreeBSD Questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Bridging and routing problem...
Message-ID:  <Pine.BSF.4.21.0102081100410.99347-100000@cody.jharris.com>
In-Reply-To: <200102081626.LAA77762@gateway.vsl.cua.edu>

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On Thu, 8 Feb 2001, Julian Zottl wrote:

> Hello all, I have looked for a solution to this for awhile, but havn't 
> been able to find it (probably a glaringly obvious).  I have the 
> following setup:
> 
> Internet   137.242.188.2        137.242.189.1
> --------><--------------Firewall------------->LAN (137.242.189.0)

	What are the subnet sizes on each side of the firewall?

	137.224.188.2/24 --> Firewall --> 137.242.189.0/24

	I'm assuming this is the case?

> I use bridging to link the two together and IPFW for a firewall.  My 
> problem is that all traffic that comes from the internet is broadcast 
> to my entire subnet!  Visually I see this on all my switches as the 
> entire thing lights up.  I know that bridging is supposed to do 
> broadcasting like this, but is there a better solution.  I had ran 
> routed at one point, but the majority of the experts I know say that I 
> should have been doing bridging, so I switched.  Any help is much 
> appriciated!  Please CC me any answers as I am not on tha mailing list 

	Blah! I would use routing in this case.  Why are you using
	bridging?  Is there some special need for it?

Nick Rogness <nick@rogness.net>
- Keep on routing in a Free World...  
  "FreeBSD: The Power to Serve!"




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