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Use a Linksys router to extend an AirPort network
Authored by: Coumerelli on Jun 07, '06 10:01:31PM

Good stuff. As a network admin working on my CCNA (I'm halfway through - yea!) I would, with all due respect of course, correct you on this one point: that only ONE device on the network should be handling DHCP (a.k.a. distributing IP addresses). You say:

TAB: Network

Make sure "Distribute IP addresses" is checked, and that "Share a Single IP address (using DHCP and NAT)" is checked. In the drop-down, pick "Use 192.168.1.1 addressing."

But the device which should be doing this should be the device NEAREST your connection to the internet - whether it's your modem, which may have an embedded router, or your Airport Base station, which you say is closer to the connection than the Linksys.

This stuff is OVERLY confusing to the general user, and doesn't have to be. That's why we have Apple ;)

By doing what you say, you essentially are creating a network (192.168.1.x) within another network (192.168.0.x), assuming a subnet mask of 255.255.255.0 - which you have. That means that BOTH your Airport and Linksys are performing NAT and that they are handing out IP addresses. NAT is something like this: Your friend is hosting a super big party for New Years Eve and when you get there, someone at the door is handing out numbered tickets for a door prize. Then, you take 5 or 6 steps into the door to the coat room (he's got a big house) and THAT person is TOO handing out tickets, but with a different number scheme. Wow! now we're all confused. To sum up (shesh) it's just good practice to only have one person hosting the party.

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"The best way to accelerate a PC is 9.8 m/s2"



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Use a Linksys router to extend an AirPort network
Authored by: Coumerelli on Jun 07, '06 10:05:12PM

WOW! I'm sorry - although what I said is true, I missed a line in the original post - the part about "Return to the Airport Utility"

Sorry....:)

It's obviously configured correctly. Incidentally, I'm dealing with a person trying to VPN to work from across the US and he HAS two routers BOTH configured with DHCP enabled. Bah.

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"The best way to accelerate a PC is 9.8 m/s2"



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