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Can the Airport Extreme/Express do this?
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Professional Poster
Join Date: Mar 2002
Location: Smallish town in Ohio
Status:
Offline
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Ok so I want to buy an Airport but I need to know whether it can do one very specific thing.
I live in a dorm room with a roomate and there is only one ethernet jack on the wall, so normally we have to use an ethernet switch. That's cool because then both of us get our own IP addresses directly from the school's network which start with 143.44.xx.xx. The school has this networking filtering system and we basically only get about 60k/sec of download speed per person (or IP address)
Here's the problem I'm seeing with the Airport. If we bought an airport and we both used it, that means the Airport gets one IP address from the school and we have to share that 60k/sec limit.
My question is, is it possible for the airport to not be a NAT router and instead simply act as a switch and pass on the 143.44.xx.xx IP addresses to both me and my roomate? If so, how would that be accomplished in the Airport Admin Utility and would you not lose the features that iTunes streaming and WEP security? I believe this feature is called DMZ or something on mainstream wireless routers? I don't want us to be hiding behind a single router getting 10.x.x.x IP addresses.
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Forum Regular
Join Date: Feb 2005
Location: Kansas City, Missouri
Status:
Offline
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Yes, you can configure both the Airport Express and the Airport Extreme to be NAT-less, DHCP-less, pure wireless access point mode. In this mode they simply "bridge" the wired network to your wireless devices (laptops). Each of your wireless devices will get their IP addresses directly from the school's system.
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Administrator  Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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In the Admin Utility, on the Network tab simply uncheck the "distribute IP addresses" box at the top. That turns it into an access point, turns off the DHCP server, and turns off NAT in one step.
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Glenn -----
OTR/L, MOT, Tx
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Professional Poster
Join Date: Mar 2002
Location: Smallish town in Ohio
Status:
Offline
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That's so awesome. I would have gotten an Airport express a year ago had I known this 
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Administrator Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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The Express is a lot easier to configure, at least from my standpoint, than the Extreme. Too many "non-networking" settings for me. But the Extreme is a real evolution of the original ABS, with more hardware features, and more software capabilities, though you could turn an original ABS into just an access point the same way.
Enjoy wireless Mac-y goodness!
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Glenn -----
OTR/L, MOT, Tx
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