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I am running Mac OS X Server 10.6 on my iMac and I am wondering how to multihome a Mac. I know it's possible to accomplish this by using both Wi-fi and Ethernet, but I just want to use Ethernet. Any idea how to set this up? Thanks.

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What do you hope to achieve? Do you have two networks or two internet services that you wish to use? – bneely Dec 19 '11 at 1:19
Yes, I would like to run two websites on the server. – Jack Humphries Dec 19 '11 at 1:23
You can also use name-based virtual sites to avoid the need for multihoming. – Gordon Davisson Dec 19 '11 at 22:52
up vote 4 down vote accepted

Got it. All you have to do is add multiple Ethernet interfaces in Network Preferences. And then just configure each one to the correct settings and you're set to go. I tested this by hosting two different websites on two different IPs by multihoming my iMac and it worked!

  • System Prefs -> Network dialog
  • Press the + button and select the interface you want to add to (you may need to go back and identify which one if you have multiple Ethernet ports).
  • Name the service and press "Create"
  • Configure the new service as you would a static (manual) interface
  • Click "Apply"
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