Sharing Airport connection with Ethernet - Self Assigned IP

WHy is the ethernet port getting a self assigned IP Address. I want to share the wifi connection with the ethernet to run a cable to my ps3. Need to update trophies so i can wipe it. Wifi doesnt work on PS3 at this time(reason for wiping)

This is a major debacle with Apple. I contacted support and they informed me that they don't support this function.
After many hours of playing around and reading forums this is quite easy (once you know what to do)!
Setup internet sharing (airpor to ethernet)
Go to Network under system preferences
View the Ethernet icon (should be yellow as it self assigns the IP)
Click on TCP/IP and in the Configure IPv4 menu, select "Using DHCP with manual address"
Set the Ethernets IP address to 192.168.2.1
Set the Subnet Mask to 255.255.255.0 (255.255.0.0 is default on OSX 10.6)
On the NIC tring to use the shared connection (PS3/XBOX/Network DVD/PC), you should just be able to "Obtain IP and DNS Automatically". If not, enter the following:
IP Address(connecting device): 192.168.2.2
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.2.1
This has nothing to do with the IP of the airport connection or your router, this is the internal Ethernet port settings on the hardware (as far as I can tell).
My internal Airport IP is 10.0.1.4, with 10.0.1.1 for airport extreme, and the self assigned IP was 169.254.151.92 on my shared Ethernet port on the Mac when it wasn't configured properly.
Let me know if this works!!!

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Airport Connects but has Self-Assigned IP address and no internet

All right Apple this is some Bull#@$% I own 3 Apple units One is a MacBook Pro, one is a Macbook and the other is a G5 Dual processor tower. The MacBook and Tower are using OS X 10.5.5 and the MacBook Pro has OS X 10.4.11. Ok here is my problem all of a sudden all 3 units that had been connecting to the same wireless router for the past year started saying (AirPort has a self-assigned IP address and may not be able to connect to the internet) Apple Care suggested replacing the router well I did that and hello I have the same message. Its connecting but not going to the internet. Under network status I have green lights for Airport and Airport settings a yellow light for network settings and red lights for ISP, Internet and Server. I have this problem with both MacBooks both at the library, my friends house and my neighbors house thats 4 different wireless networks that do the same dang thing. I need help!!

I have also encountered this problem and I have been researching it all over the internet all evening and trying everything I could find a suggestion for. Here's what I have: Two G4 Powerbooks, one is a 550MHz 15" Powerbook, the other is a 1.5 GHz 17" Powerbook, they are both running 10.4.11 with all the updates that Software Update has to offer, the 17" is connecting via built in Airport Extreme card, the 15" is connecting via Sonnets Aria Extreme PC card. I have AT&T DSL and I'm using the 2Wire modem/router they provided me with. Neither of the Powerbooks can connect wirelessly to the internet. Furthermore, they cannot even ping the wireless router. 4 days ago, both were connecting without any trouble (and had been able to reliably every day since the beginning of August when I hooked everything up). I have made no changes to my router's settings over the weekend. Nor had I made any changes to the Powerbooks' settings during that time. It just stopped working. If I wire one or both of them to the router with ethernet cables, connection works fine. My Desktop G4 which is normally wired into the router via ethernet, connects fine so I know my internet service is available.
So far, I've restarted both machines numerous times, restarted the router numerous times. Reset the WEP password. Changed the wireless security to WPA. Changed it back to WEP. Trashed the airport plist. deleted every wireless network entry in Keychain. Disabled DHCP and assigned IP numbers manually. Changed the wireless channel (I've tried 1, 6, and 11 with and without interference robustness).
I've been reading posts about this issue on half a dozen web forums (dating back to as early as June 2004). It appears to affect a variety of routers (2Wire, Netgear, Linksys), a variety of machines (Powerbooks, iBooks, MacBookPros, iMacs) a variety of OSes (10.3, 10.4, 10.5).
This thing is really getting me down. Anybody have any other ideas?

Fix for Airport Wireless Connection Problem stating Self-Assigned IP and not wanting to connect in Lion OSX.

Fix for Airport Wireless Connection Problem stating Self-Assigned IP and not wanting to connect in Lion OSX.
Bought my girlfriend the newest Macbook Pro 13" and began experiencing problems with my wifi the moment we got home. Her Macbook would not connect to our home Wi-Fi while my old Macbook Late 2008 running Snow Leopard connected without a problem. Airport would say that it had a Self-Assigned IP address (168.x.x.x). Did not realize it was a Lion problem until after using her Macbook Pro and becoming jealous of the new OSX, I upgraded. Soon after I was unable to go online. Luckily I had my iPad 2 and I began to scoure the net for help. Ran into allot of suggestions but it was not until I tried the following all together was I able to share the good new, from my Macbook. Hope this works:
First go to Preferences > Network and click on the cog next to the + and - on the sidebar and click Set Service Order
     - Move Wi-Fi to the top and click ok.
     - Set location to Automatic
     - Click Apply
     - Click Advanced
     - Click the "-" on the selected Wi-Fi router you wish to connect to
     - Click Apply
     - Click Lock to Prevent Further Changes
Go to your Mac's harddrive, (Macintosh)
     - Go to Library > Preferences > SystemConfiguration >
     - Delete "com.apple.airport.preferences.plist" file
Turn off your computer
     - push and hold Option+Command+R+P
     - turn on computer
     - when the grey screen turns on you will hear the OS X "ON" sound (for lack of a proper term) and it will momentarily restart.
     - you will once again hear the "ON" sound, let go of all keys.
     - this resets your PRAM
Go to Preferences > Network > Advanced > + sign
     - click Choose a Network
     - Select your network and enter password
Viola!!! I tried this on my Macbook Late 2008 and my girlfriends new Macbook Pro 2010

     No you are clearly mistaken. The Self-Assigned IP address problem exists on many Macbook Pro models, including the current model, which I mentioned as being the original computer with the problem. While my 2008 Macbook is older it was working perfectly on Snow Leopard and didn't suffer issues until switching to Lion. So clearly the problem exists on the operating system and not so much the hardware.
     I called Apple Support and they had no fix for the problem and told me that this would hopefully be addressed in a subsequent update. It wasn't until I came accross the answer after trying many different methods that I got both of the Macbooks to connect to my router. Otherwise I wouldn't or could not have been surfing the internet for the last 4 months.
Cheers.

Frustrated with apple self assigned IP (ethernet)

Hi,
I have ethernet self assigned IP problem. Can anyone help ?

If the computer is connected through a switch to a cable or DSL modem, and the modem is not acting as a router, then only the first device to connect will get an address. You need to change the configuration of the modem so that it shares its Internet connection with all devices on the local network, or else connect a router.
If there are other devices on the same network, and none of them can get an address, then the problem is on the DHCP server (most likely, the router.) If other devices are working normally, or if there are no others, see below.
Open the Network pane in System Preferences and make a note of your settings in the Ethernet service. It may be helpful to take screenshots of the various tabs in the preference pane.
If the preference pane is locked, unlock it by clicking the padlock icon and entering your administrator password.
From the Location menu at the top of the window, select Edit Locations. A sheet will drop down. Click the plus-sign button to create a new location. Give it any name you want. In the new location, set up the Ethernet service with the same settings you used before. Click Apply and test.

Seeing Airport extreme an a self-assigned IP

I am running 10.5.3 on a powerbook G4. Recently I have been unable to connect to the network even though the airport can be accessed, but the airport is establishing a self-assigned IP address. Any ideas? The network has a wep transitional password.

I would try changing the wireless channel on the router and eliminating wireless security temporarily.
If that solves the problem, try enabling the wireless security again.

Having intermittent Airport connectivity with a 2010 6 core MacPro. Any help?

Having intermittent Airport connectivity with a 2010 6 core MacPro. When it works has low bars on status graph. Laptop set up next to it has no connect problems. Airport utility has shown no Airports a couple times when the laptop showed all. When first joined network, staus bar is full, then drops to one or two bars. Would this be an antenna or card being loose? Is it user friendly fix, or bring it to Apple? Thanks in advance.

Would this be an antenna or card being loose?
Sounds like it.
Is it user friendly fix, or bring it to Apple?
If under AppleCare, bring it to Apple. If not, you can probably find instructions to fix a loose antenna connector yourself.

Having trouble with Airport connecting with Verizon wireless modem.

Having trouble with Airport connecting with Verizon wireless modem. Any ideas?

Haven't asked Verizon. I think it is in my settings for Airport. Need to know proper settings.

AirPort Express won't connect because of self-assigned IP address

For years, my old AirPort Express worked just fine. Then it quit (no little lights, no action), so I bought a new one.
Now I am running into the dreaded "apple self-assigned ip address 169.254.29.74" error, which is apparently a chronic Apple thing. There's discussion all over the internet about it, and nothing seems to help.
First, the equipment:
AirPort Express
OS X 10.6.8 (Please don't tell me to upgrade because my old hardware won't support the newer OS)
Processor 2 GHz Intel Core 2 Duo. (I don't have money for a new computer and this one is working fine except for this glitch)
Memory 1 GB 667 MHz DDR2 SDRAM
Actions taken so far:
Ran the AirPort setup utility (at least ten times)
Reset the AirPort to factory specs (at least ten times)
Deleted all the old Keychain references to the old network
Deleted all the old preference files, including one for a firewall
Reset the cable modem (five or six times)
Powered down the cable modem and turned it back on (only two or three times)
Physically typed in the IP address that works for Ethernet, but got the error message that it's being used by another device (This is insane because all the other devices that could connect are physically powered down. There's only one live computer trying to connect.)
Results:
I can get a new network to show up on the AirPort icon.
The Network part of System Preferences tells me that the problem is an apple self-assigned ip address 169.254.29.74 that won't connect. ("I made this and it's useless. Aren't you proud of me?)
Questions:
The documentation says this equipment will work with Snow Leopard. Is the documentation wrong? Should I try to find a simpler wireless router that doesn't demand as much from the computer?
Perhaps the AirPort is simply broken and I should return it for a new one?
Is there some secret work-around to defeat that self-assigned IP address glitch?

I am pretty sure the Express is running in the wrong mode..
The idea to plug the computer in is to check the setup.. not to need it permanently like that.. you can use either wireless or ethernet on the new express.. the old one you could only use wireless.
Please give me a screenshot of the setup of the express.
It must be in router mode.. ie when you open the airport utility and click edit.
Then go to the network tab.. it must show DHCP and NAT.. the DHCP range does not much matter..
But I also need to see that the wan port is getting an IP correctly.

Network connection fails with a "self assigned IP" or "no IP" msg displayed

I am having problems staying connected to the wireless network. I have four Macs - 3 MBPros and 1 iMac. They have all been upgraded to Snow Leopard and have had all recent updates from Apple.
One of the MBP, and just now the iMac, keeps disconnecting from the wireless network with a message that the IP address has been self assigned or that no IP address is found. These computers cannot connect right now but I am using another MBP and it is connected.
I've read through the forums and these are the solutions I have tried:
1. reset everything - the router, WAP, and the computers - this sometimes works and sometimes does not.
2. renewed my DHCP lease - at first this worked like a charm but now it makes no difference
All computers are using Airport Extreme
Router is Motorola, new last year
WAP is a Linksys Dual N band new last month (thinking that maybe the Netgear g was failing)
There are two PCs connected to the same WAP and they are (strangely) working fine.
How can I get these computers to just stay connected?

Since upgrading to Snow Leopard, I'm having the same type of problem and I have to reset my airport exterme because of NO I/P address. I would really like to find out what's up/ Until the Upgrade there wan NEVER a Problem - which is what I expect from MAC!

Sharing internet connection with powerbook and nintendo wii through airport

i have been trying to share my internet connection from my imac to my powerbook and nintendo wii. i've been unable to accomplish neither. i've opened the sharing preferences, chosen "share your connection from built in ethernet" which is how my imac is connected to the internet, and then chosen "to computers using airport". if i then set my airport options to automatic channel, encryption using 40 bit wep and set a 5 character password as it says if you "plan to share your internet connection with non-apple computers", (and then turn internet sharing on) shouldn't i be able to connect either/both my powerbook and my nintendo wii? or is it necessary to have some other piece of hardware or go through some other steps?
thanks in advance for any help.

I got a macbook for college and I had the same problem with connecting my Wii to the macbook's connection. But lo and behold, the internet's a wonderful place! I tried this out (http://www.macosxhints.com/article.php?story=20070514152251515) and it worked! I'm not sure about the powerbook bit though, sorry. Hope it works for you too.

Wy connect an airport capsule 2nd generation to airport capsule with Ethernet

I have an time capsule last generation (3TB) and an older version (first generation, 1TB)
I want to connect the older one to the new one , with Ethernet cable, AND using the Wifi connection.
When I connect the Ethernet cable, I lost the Wifi and lost the ethernet connection. The two time capsule are in error.
What is the solution ?

Primary TC:
Internet/ Connect Using: DHCP
Wireless / Create a wireless network
Network / Router Mode: DHCP & NAT
Secondary TC (now wirelessly connected, but goal is to harwire)
Internet/ Connect Using: DHCP
Wireless / Extend a wireless network
Network / Router Mode: Off (Bridge Mode)
Install 5.6 airport utility .. see below.
In your secondary setup.. first set to factory.. do not attempt to connect as is.. this is why it is failing.
Internet connection : Connection sharing off.. bridge mode.
Wireless cannot be extend.. : Create a wireless network. Then give it the same name as the new TC.
Same security.. but use different wireless channels.
How to load 5.6 into ML.
1. Download 5.6 for Lion.
http://support.apple.com/kb/DL1482
Click to open the dmg but do not attempt to install the pkg.. it won't work anyway.
2. Download and install unpkg.
http://www.timdoug.com/unpkg/
Run unpkg on the desktop.. it is very simple.. drag the AirPortUtility56.pkg file over to unpkg.. and it will create a new directory of the same name on the desktop.. drill down.. applications utilities .. there lo and behold is Airport utility 5.6 .. drag it to your main utilities directory or just run it from current location.
You cannot uninstall 6.1 (now 6.2 if you updated) so don't try.. and you cannot or should not run them both at the same time.. so just ignore the toyland version.. the plastic hammer.. and start using 5.6.. a real tool.
For screen shots see this post.
https://discussions.apple.com/thread/4668746?tstart=0

Sharing internet connection with Windows via Airport

Happy New Year, all!
I have an iMac Intel Core Duo connected to an ADSL modem via ethernet. I'd like to share my internet connection via Airport with a Windows laptop (which is running XP with SP2). I've read that this is possible and I've tried setting it up but the laptop isn't seeing the Airport network at all.
I've created a network with security off, from the Airport drop-down menu in the iMac menu bar, turned Internet Sharing on (Share from: ethernet - to computers using: Airport). I have Windows Sharing and Personal Web Sharing turned on, and my firewall is off. But the Airport network still doesn't show up on the laptop.
Can anyone tell me what I'm doing wrong, or at least point me in the right direction.
Many thanks in advance.

i am having the same problem. i have the mac connected but when i go to windows i can't get the page open that says to connect. when i run the mouse over the icons at the bottom of the page it shows the airport signal being excellent. but i just can't get to a page to enter the "key to connect". it is greyed out and shows that it is limited or not connectivity.
please someone help!
movie lady

Why won't my old iMac G4 recognize my Airport Express when connected with ethernet cable?

After I installed an Airport Extreme as a base station for my network, the G4 couldn't recognize either the Airport Express or the Airport Extreme unless it was connected by ethernet cable to the Airport Extreme - then both devices show up in the G4 utility. I have reset the Airport Express to factory settings many times and the Utility in my iMac 3.2 Ghz Intel Core 13 indicates that the Airport Express is working. Any ideas?

I suspect its to do with the WPA setup support changes. My very old G3 seemed to have the same issue of not able to connect to Extreme or Express. Used to connect before years back to Apple routers but refused to in recent time for reasons not explainable so I just connect it now via cable.

How do I setup Airport express with ethernet connection to my modem?

Hi there - hoping to get some helpg as I'm having challnges setting up my Airport express via ethernet cable connection directly to my router. It will setup wirelessly no problem, but I occasionally get dropouts when streaming music and I'm hoping to remedy that with a direct cable connection. I know I have to change some settings in my airport utility, but haven't had any luck getting it right.
Here is my setups if it helps:
Airport express, 1st generation, model A1264
Cisco router (provided by my intenet provider)
Macbook Air, running 10.8.5
Airport utility version 6.3.1
Thanks!
Phil

Unfortunately, you are getting incorrect advice here. Might be a good idea to start a new post, since the original thread is long out of date.
First, please confirm that you have a compatible Express with the AirPort Extreme. This would be either the current A1392 version.....or the previous A1264 version.
Next, we need to confirm "how' you want to extend, since you do not mention this in your post.
Are you planning to "extend" by connecting the AirPort Express to the AirPort Extreme using a permanent, wired Ethernet connection (highly recommended).....or.....are you trying to "extend" by having the Express try to connect wirelessly to the AirPort Extreme?

AirPort Extreme 3TB losing shared disk connection via ethernet

When my iMac is connected via ethernet can't access to shared disk, but when connecting via Wi-Fi got no problem accessing it.
AirPort Time Capsule (3TB) Version: 7.7.1
Any ideas?

blinking yellow light - open airport utility and double click it, see what it tells you is wrong.
XP can't find - connect by ethernet then configure its wireless then disconnect the ethernet.

Sharing Airport connection with Ethernet - Self Assigned IP

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