Date: Sat, 16 Feb 2002 15:27:14 -0600 From: TOPCAT CONSULTING <topcat@sk.sympatico.ca> To: freebsd-net@freebsd.org Subject: dual NAT setup; physical layer question Message-ID: <3C6ECEB1.2388E8B0@sk.sympatico.ca>
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[-- Attachment #1 --]
I have been assigned two static Class B IP
addresses from my ISP, but I only
have a single physical cable coming in.
I would like to build 2 independent firewalled
networks. I'm very inexperienced in NAT
and would appreciate comments/suggestions/alternatives
on how I have envisioned this to work.
Many thanks in advance.
[-- Attachment #2 --]
ISP
|
|
coax_cable
| pc1
| |
| --| |-- |
Cable |------NIC1 | nat | NIC2---------HUB-----pc2
Modem | --| |-- |
| | |
| | pc3
| |
UTP_cable | |
| | |
| | |
| | |
HUB----------| FIREWALL (ipfw)
| |
| |
| |
| | pc4
| |
| --| |-- |
|------NIC3 | nat | NIC4--------HUB-----pc5
--| |-- |
|
pc5
where NIC1 = 142.165.x.x and NIC2 = 10.0.0.x
where NIC3 = 142.165.x.x and NIC4 = 192.168.x.x
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