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Date:      Mon, 14 Feb 2000 10:35:19 -0700
From:      "Duke Normandin" <01031149@3web.net>
To:        <cjclark@home.com>
Cc:        <freebsd-questions@FreeBSD.org>
Subject:   Re: Routed and public IPs
Message-ID:  <00e601bf7712$2f090460$f19ec5d1@webserver>

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On Sunday, February 13, 2000 10:12 PM Crist J. Clark wrote:


>Well, if you want it to run as a bridge, first thing you need to do is
>stp thinking about routing the public IPs all together. OK, if you
>have a registered numbers, a.b.c.0/24, and the unregistered,
>10.0.0.0/24 (it's shortest to write), this is how your IPs will end up
>looking,
>          }
> Internet }--[router]--[a.b.c.1:firewall:10.0.0.254]--+
>          }                                           |
>                                                      |
>                                                      |
>         _________________........____________________|_____........
>        |          |                    |           |
>    [a.b.c.2:] [a.b.c.3:] ........ [10.0.0.1:] [10.0.0.2:]  ........
>    [ hostA  ] [ hostB  ] ........ [  host1  ] [  host2  ]  ........
>
>Like this. The machines with registered IPs on the internal LAN will
>actually require no new configuration, nor does the router. Since the
>firewall bridges, the router is still their gateway. 


Although I'm not involved in this thread, directly or indirectly,
I want to thank you for such a great reply. I can't believe you
and Ruslan et al -- I'm green with envy. I've saved this thread
for future reference, however would you mind defining for me (in
laymen's terms) the concept of bridge(4)ing? Something like:
"bridging is using a box to bridge a gap between (public & private
IPs??) or ?? ". I don't want your info to go to waste on this
newbie, so I thought I'd ask. Tia...

-duke






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