Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 12 Jun 2000 02:35:35 -0400
From:      Ben Williams <williamsl@home.com>
To:        "Crist J. Clark" <cjclark@alum.mit.edu>
Cc:        freebsd-questions@freebsd.org
Subject:   Re[2]: UPGRADE 2.2.8 to 4.0R
Message-ID:  <7108.000612@home.com>
In-Reply-To: <20000611230401.C16019@dialin-client.earthlink.net>
References:  <20000611230401.C16019@dialin-client.earthlink.net>

next in thread | previous in thread | raw e-mail | index | archive | help
   Thank you for that insight Christ. The number of toothpicks holding
my eyes open is growing at an alarming rate and I think I'll let that
be the last silliness I let myself send to the list tonight. (In light
of your thoughts I agree that at best I chose the wrong terminology in
my query. More (thought out) questions tomorrow.)

--Ben Williams
mailto:received@email dot com

Quoting Crist J. Clark                                Monday, June 12, 2000
> On Mon, Jun 12, 2000 at 01:36:57AM -0400, Ben Williams wrote:

> [snip]

>>    Along these lines I'd like to ask if a "triple-homed routing
>> bridge" (i.e. 3 NIC's, 2 of which are connected to ISP's and one to
>> the "internal" LAN) is conceivable or even feasable. If I have my
>> terminology right a "bridge" connects multiple networks with
>> optionally (preferably for me) a firewall in place that does not
>> decrement the TTL of a packet since none of the NIC's on the bridge
>> have IP's. Would a FreeBSD 3.4R box be capable of this kind of setup?

> Bridges are link layer devices. Firewalling on a bridge is kind of an
> odd notion. A bridge really should not need to know anything about IP
> or whatever the layer three protocol might be, and we ususally think
> of firewalling at that layer. Of course, we can still do such a thing,
> but FreeBSD support for a bridge-firewall has a few issues.

> As for what "tripled-homed" means in this context is beyond me. I've
> never really picked up what people really mean by multi-homed; they
> seem to toss it about for a lot of different situations, especially
> when you realize that you wouldn't be using multiple IP addresses.

> Now how to bridge between two IPs... That really baffles me. A bridge
> can be thought of as making the three physical LANs into one logical
> LAN. Now making the two ISP's LANs into one... Will they approve?

>>    This is -almost- the networking question I asked several days ago
>> but I didn't get much input then .. hope to hear from you soon!

> Well, that's mine without more detail. But remember I'm no networking
> expert.




To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7108.000612>