Date: Wed, 17 Feb 1999 14:43:35 -0600 From: "SnowFox" <snowfox@snowfox.net> To: <net@freebsd.org> Subject: natd - masquerade and multihoming Message-ID: <012101be5ab6$32a25640$4504a8c0@BrianM.highvoltage.com>
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I have an ISDN connection with a static subnet. I'm adding cablemodem with a
single dynamic IP.
ISDN via ppp - 3 bit (/3) static subnet
cable via ed0 - dynamic address
Internally, some machines with IPs in the ISDN account static subnet, some
with unregistered (10.0.0.0/8) addresses.
public.foo.org via ed0 - real_network_address/3
fake.foo.org via ed0 - 10.0.0.0/8
I want all the foo.org machines to access the world via the cable modem, and
I want the world to see the static subnet via their ISDN addresses.
If I start with the rc.conf "open" firewall and natd set "yes", this seems
to be what I need to do:
ipfw add divert natd all from any to cablemodem_address via ed0
*But* how would I prevent IDSN packets from ppp from being routed to the
cablemodem instead of the local machines then?
Brian
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