Forward all traffic from one IP to another Ip on OS X

Posted by Josh on Super User See other posts from Super User or by Josh
Published on 2010-04-09T16:19:31Z Indexed on 2010/04/09 16:33 UTC
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Filed under:

osx

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linux

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firewire

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networking

This is related to this question I just asked...

I have two IP address on my iMac I want to "bridge". I'm not sure what the proper terminology is... here's the situation.

My iMac has a firewire connection to my laptop and an ethernet connection to the rest of my office. My laptop has an ip of 192.168.100.2 (on the firewire interface). My iMac has an IP of 192.168.100.1 on the firewire interface, and two IPs, 10.1.0.6 and 10.1.0.7, on it's ethernet interface.

If I wanted to forward all traffic coming in from 192.168.100.2 on my OS X machine to go out on IP 10.1.0.7, and vice-versa, can this be done? I assume I would use the ipfw command.

Essentially I want to "bridge" the firewire network to the ethernet network so my laptop can see all the machines on the 10.1 network, and all those machines can see my laptop at 10.1.0.7. Is this possible?

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