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Airport Extreme Router & IP Addresses Help
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Senior User
Join Date: Oct 2004
Location: Vancouver, BC
Status:
Offline
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I have 2 Macs at home, my wife's iBook and my PowerBook. These are connected wirelessly though an Airport Extreme Router. Also, there is a Airport Express on there setup with WDS connected to our home stereo.
I use the Airport Admin Utility to manage all this stuff and I just have a question.
The Airport Extreme router always has an IP address of .1
I have not used WDS for long, but so far, the Airport Express maintains an IP of .2
So far this is all well and good.
However, the iBook and the PowerBook seem to change IP addresses all the time. At one point or another, the PowerBook or the iBook will be .3, .4 or .5.
I map the ports on the Airport Extreme to my PowerBook for BItTorrent and some other things... but this is a problem when the IP Addresses change all the time.
So.... is there a way to manually assign IP addresses or make sure that any given computer will keep the IP address that it is originally assigned to it?
Tiger Latest, Ever other software latest, powerbook latest, 1ghz iBook, Airport Extreme router 3 years old, newer airport express. All software, including OS and router firmwares are latest.
Cheers!
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Senior User
Join Date: Oct 2004
Location: Vancouver, BC
Status:
Offline
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Dedicated MacNNer
Join Date: Apr 2004
Status:
Offline
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You can manual set the ip address of your pb or ib in system preferences under network under airport..
Rather then have it setup under DHCP automatic.. there is a manual option.. I have a similar setup and it works just fine..
Frank
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Professional Poster
Join Date: Sep 2005
Location: Rochester, NY
Status:
Offline
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Yeah, NAT (sharing the Internet connection) and DHCP are separate things, and you can activate one without the other. Just give each computer on your wireless network in IP address on the same subnet manually in the control panel, and manually put in the router address. The router will process information from any IP address on the same subnet, whether or not DHCP assigned the address.
I'm not sure how much WDS complicates this, however.
For that matter, you can have machines that have fixed IP addresses and DHCP-assigned IP addresses with no problem. Just make sure the fixed IP addresses you assign are out of the range of IP addresses that DHCP might hand out.
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Senior User
Join Date: Aug 2000
Location: Ancaster, Ontario, Canada
Status:
Offline
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Go to the Network Prefs on one Mac and set the TCP/IP prefs as follows:
Configure Manually
IP address = 10.0.1.50
Subnet Mask = 255.255.255.0
Gateway or Router = 10.0.1.1
Domain Name Server = 10.0.1.1
Set up the other Macs exactly the same, but incrementing the IP address by one (i.e. .51, .52 and so on).
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