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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > dhcp versus static ip

dhcp versus static ip
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Mac Enthusiast
Join Date: Mar 2004
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Feb 12, 2005, 12:41 AM
 
i've been using dhcp for my tcp/ip under network settings in the preferences pane. i know this uses an assigned ip from my wireless linksys router. i decided that i wanted to set a static ip using manual configuration because i regularly forward a number of ports to my powerbook. it makes sense to configure a static ip so i don't have to go back into my linksys settings to reforward ports.

so under network settings i created a new location and called it 'static ip' and then went into the tcp/ip tab and configured the settings correctly. im able to get on the net, chat, ect. unfortunately the airport conneciton on my powerbook will go out randomly and the only wayt for me to get a connection again is to turn off the airport off and back on.

when i have osx configured for dhcp i don't have the problem of my computer randomly disconnecting. is there a settings i should be enabling in addition to entering the static ip information?

i've tried using dhcp with manual address but im not able to get a connection at all. for now im sticking with dhcp since my configuring a the settings manually does not hold the connection.

any help please?
     
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Feb 12, 2005, 03:20 AM
 
You should:
leave your network settings in OS X to "Using DHCP" and let the router supply the IP
SET UP YOUR ROUTER to always assign a particular IP to your powerbook.

I'm not sure where the setting in a Linksys would be, but in my Netgear it is under "Lan IP setup". It allows me to "reserve" IPs for any device connected to it. This is where you want to fix permanent IPs ... NOT from the client machine.
     
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Feb 12, 2005, 10:28 AM
 
im not really understanding. so i should always use dhcp on osx and assign the ip from the router? from what i've gathered online i need to set a specific range of ip's that the router can't use for dhcp and to use the ip outide of that range on my computer. i don'get how im supposed to assign the ip on the computer while leaving it set to dhcp. no where in the router settings did i see anything about assigned an ip to a computer without having to configure the computer.

router: BEFW11S4
     
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Feb 12, 2005, 11:13 AM
 
You can just tell the router to "lock" your PowerBook to a specific IP address. That means that the PB is still getting its IP from the router using DHCP, but it will always get the same address, which is just as good as a static IP, but with less hassle.

tooki
     
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Feb 12, 2005, 12:11 PM
 
tookie that sounds so easy and exactly what i want to do... ahem, problem is, i don't see the option to 'lock' my powerbooks current ip in the router settings.
     
Mac Elite
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Feb 12, 2005, 01:02 PM
 
As with eatinwokout, I do not find such options in the setup assistanct for my Airport Express (my router). Should such a thing be there? Or is there other software for AE or AirPort Base Station?
TOMBSTONE: "He's trashed his last preferences"
     
   
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