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How To Fix Internet Not Working Due To Self-Assigned IP Address Issue

self assigned ip and cannot connect to the internet

If your Mac is connected to a working Wi-Fi network but the Internet is still not working, then we have got the solution for you. A lot of times your Mac is issued a self-assigned IP, which causes the Internet to not work on the machine.

Despite the same Wi-Fi network working on other devices, the Mac will simply show no internet connection error and Internet will not work on it. In these situations Wi-Fi has the self-assigned IP address and will not connect to the Internet despite the Internet working on other devices.

On Mac’s Wi-Fi page the Wi-Fi will also show the Self-Assigned IP Address text instead of connected. This is a very annoying problem that can cause Internet to not work on your Mac. Not having a working Internet connection on your Mac due to Mac’s self assigned IP problem can prevent you for doing work and render your Mac useless.

Good thing is self-assigned IP issue on Mac is quite easy to solve. You can fix the self-assigned IP address issue and get the Internet to work again on your Mac by simply deleting a few files on your machine.

Simply follow the steps below from an administrator account and put the mentioned files in trash.

This solution works on all recent versions of macOS including macOS Ventura, macOS Monterey, macOS Big Sur and macOS Catalina.

Fix Self-Assigned IP Address Issue on Mac

You can use to solve the self-assigned IP address issue on your Mac running macOS Ventura, macOS Monterey, macOS Big Sur, macOS Catalina etc.

1. On your Mac launch finder and click on Macintosh HD. (Don’t see Macintosh HD? See here )

2. Click on the Library folder and go to Preferences.

3. Now click on the SystemConfiguration folder.

4. Next put the following files in trash.

  • com.apple.airport.preferences.plist
  • com.apple.network.identification.plist
  • NetworkInterfaces.plist

5. Restart your Mac.

Once the reboot has taken place the Internet will start working and self assigned IP address issue will be resolved.

If you don’t see all the files mentioned above, then just delete the ones that are present and reboot your machine.

How to Reset Mac’s IP address

In case you’re looking to reset your Mac’s IP address to solve internet connection problems with your computer, then the following instructions will help. If deleting the files mentioned above does not help, then the steps to reset Mac IP address can also prove helpful in fixing self-assigned IP Mac problem.

On macOS Ventura or later

Below you can find instructions on how to reset Mac IP address if you are running macOS Ventura or later.

1. Click on the Apple logo from the top menu bar and then click on System Settings .

2. Now click on Wi-Fi option from the side pane.

3. Make sure your Mac is connected to your Wi-Fi network. Then click on ‘ Details… ‘ located next to Wi-Fi’s name.

4. Now click on TCP/IP button from the left side pane.

5. Next find the ‘ Renew DHCP Lease ‘ button on the right side of the window and click on it.

6. Click on OK button and using the toggle next to Wi-Fi turn off Wi-Fi and turn it back on after a few seconds.

By performing these steps you should be able to solve self-assigned IP issue on your Mac and Internet should start working once again.

On macOS Monterey or earlier

Here’s how you can reset Mac IP address if you are running macOS Monterey or earlier on your Mac.

1. On your Mac open System Preferences.

2. Click on Network icon.

3. Make sure Wi-Fi is selected from the side pane and then click on ‘Advanced’ button.

4. Now click on TCP/IP from the top navigation bar.

5. Next click on ‘Renew DHCP Lease’ button.

6. Click OK to exit and from the top menu click on the Wi-Fi button and turn off Wi-Fi.

7. After a few seconds turn Wi-Fi back on and connect your Mac to your Wi-Fi network.

8. At this point Self-Assigned IP address issue should get solved and Internet should start working again.

There you have it, this is how you can easily and quickly fix Self-Assigned IP address issue on Mac and get your Internet connection working once again. If you have any questions regarding this tutorial, then feel free to let us know in the comments section below.

  • troubleshooting

self assigned ip and cannot connect to the internet

Hello I recently instakked BIG SUR on my late 2013 macbook pro and I am having trouble tethering my Iphone XR to it. I can tether using wifi, but when I attempt to tether using bluetooth, my phone shows as connected in bluetooth preferences on my macbook and iphone, with the connection/link symbol shown on my iphone, but the internet will not work. In Network the bluetooth Pan shows an orange dot, STATUS: CONNECTED, but underneath it says ‘internet-not-working-self-assigned-ip-address-issue’. Do you have any ideas on how to fix this, I followed your instructions from the link ( https://ioshacker.com/how-to/fix-internet-not-working-self-assigned-ip-address-issue ) on your website, but each time I restart the computer the files that I put into the trash and delete from the trash re-appear in the system configuration folder. Only 2 of the 3 files you suggested to trash are in the folder, – com.apple.network.identification.plist – is not in the folder. Any advice appreciated.

I’m running Monterrey on my MacBook Pro and was having problem with the self-assigned IP and cannot connect to the Internet. I followed what your article suggested, several times, but was still unable to resolve the problem. Are there other suggestions that you think I should try? Thank you.

I just had the same issue and none of the fixes found online worked. I have McAfee Security software installed and there was a service running called McAfeeSystemExtensions. I deactivated the service within the Network settings and problem resolved.

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How to fix “self-assigned ip address” issue on mac.

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  • The self-assigned IP address error occurs when your Mac assigns itself an IP address instead of getting one from the router.
  • This usually happens due to network configuration issues, DHCP server problems, glitches in the firewall settings, unstable Wi-Fi connection, etc.
  • To fix the “self-assigned IP address” error on your Mac, renew DHCP lease, restart your network devices , rejoin your Wi-Fi , or check your network settings . 

Is your MacBook struggling to access the internet, though your Wi-Fi or Ethernet works fine? This can be due to the self-assigned IP address error on your Mac. Worry not!

Here, I’ll share how to fix the internet not working due to a self-assigned IP address error on your Mac to regain a stable network connection. But before we jump into the troubleshooting steps, let’s understand what a self-assigned IP error is.

What does “self-assigned IP address” mean on Mac? 

The “self-assigned IP address” error on Mac refers to a situation where your device assigns an IP address and sets up an ad-hoc network instead of obtaining one from the network router or DHCP (Dynamic Host Configuration Protocol) server.

This self-assigned IP address is not legitimate or acknowledged on the network. That’s why your Mac cannot connect to the internet or other devices on the network, resulting in limited or no network connectivity.

This issue occurs due to several reasons such as:

  • Network configuration conflicts
  • DHCP server unavailability
  • Problems with Mac’s network
  • Unstable Wi-Fi connection
  • Wrong Firewall settings
  • Outdated macOS

But you can fix the issue with a few simple methods. Let’s learn them!

How to fix “self-assigned IP address” error on Mac

There are 12 ways to fix the problem, from simple checks to more advanced changes. It would help if you tried them in the order provided.

  • Check your connection
  • Reboot your network devices
  • Renew DHCP Lease on macOS
  • Rejoin your Wi-Fi network
  • Check your connection settings
  • Reset your Network Preferences on Mac
  • Create a new network location
  • Reset the Firewall on your Mac
  • Set Service Order from Mac’s network settings
  • Change DNS Servers on macOS
  • Check for conflicting IP address
  • Disable VPN

1. Check your connection

Before diving into Mac-specific settings, ensure that your router is functioning correctly and located near your Mac to obtain a valid IP address. Besides, if you are using an Ethernet connection, plug in the cable snugly.  

I also check to validate that the cable has no fault and is in good condition. Moreover, If you are using an old Wi-Fi router, discard it and get a new one to obtain a smoother connection.

2. Reboot your network devices

Restarting both your modem and router can often resolve temporary network glitches. Power off the devices, unplug the cables, and wait a few seconds. It will help them cool down, as excessive heat can cause malfunctions.

After that, plug all cables, connect them to the power outlet, and turn them back on. In the meantime, restart your Mac once to iron out any bugs in macOS.   

  • Click the Apple logo .

Just click the Apple logo → choose Restart on your Mac

3. Renew DHCP Lease on macOS

This method is effective when the assigned IP address may have expired or encountered conflicts. When you renew the DHCP Lease, your Mac requests a new IP address from the DHCP server. It ensures a valid configuration and resolves connectivity issues.  

  • Open the same TCP/IP tab window from Wi-Fi Details, as shown above. 

click tcp/ip, select renew dhcp lease in wi-fi settings

After renewing the lease, check if you can connect to your network. If that doesn’t help, try creating a New Network Location and renewing the lease.

4. Rejoin your Wi-Fi network

Sometimes, simply forgetting and rejoining your Wi-Fi network can solve the self-assigned IP address error on your Mac.   

Click Apple logo, System Settings

  • Turn off Wi-Fi for a few seconds and toggle it on.

click connect in wi-fi on mac

5. Check your connection settings

Verify that your Mac’s network settings are configured correctly. You must opt for the appropriate network settings to obtain IP addresses and DNS information automatically. 

  • Go to your Wi-Fi Details .  I have shown the steps above.  
  • Select TCP/IP from the left panel. 

click tcp/ip, select using dhcp in configure ipv4, select automatic in configure ipv6 in wi-fi settings

You may also try turning off the IPv6, as some users reported it conflicted with the IP address assigning procedure.

  • Click on the drop-down arrow beside Configure IPv6 . 

select dropdown beside configure ipv6, click link local only in wi-fi settings

6. Reset your Network Preferences on Mac 

Resetting the network preferences can help eliminate IP address misconfiguration, causing the internet to not work. So, you must delete specific network connectivity-related files from your MacBook.

  • Launch  Finder .

Go to Folder to clear cache

  • Enter your Mac password to authenticate the deletion.
  • Restart your Mac. It will automatically recreate the deleted files.
  • Log in and connect to your Wi-Fi network.
  • Go to the  TCP/IP  setting again and check the router files.

7. Create a new network location

Creating a new network location lets your Mac start fresh with network settings and eliminate a self-assigned IP address.  

  • Click the  Apple logo →  System Settings .

Click the three-dots icon

  • Wait for a few seconds until your Mac connects to your Wi-Fi.

Repeat the steps of renewing the DHCP lease on your Mac, and then try connecting to your network.

When you try to perform configuration changes to the system, your Mac’s firewall experiences configuration issues. Let’s fix this problem by resetting the Firewall.

8. Reset the Firewall on your Mac

  • In the menu bar, click  Go  → Go to   Folder .

go to library preferences folder on mac

  • Restart your Mac.

After your system boots, it’ll ask you to allow access to numerous programs and services. Enable access depending upon your choice. Then, try connecting to your network and check if the self-assigned IP address error persists.

If you are unsure about deleting the Firewall files, you may temporarily disable it. Toggling off the Firewall on your Mac can help determine if it’s causing conflicts with network connectivity.

  • Select  Network  from the left panel → Choose Firewall .

Turn off your Mac Firewall

  • Restart your Mac and turn it on again.

9. Set Service Order from Mac’s network settings 

Adjusting the service order can prioritize the network interface, ensuring your Mac connects to your preferred network. 

  • Click the  Apple logo →  System Settings →  Network .

click set service order in network settings

10. Change DNS Servers on macOS

Discarding existing DNS and switching to alternative DNS servers can resolve DNS-related issues that may contribute to the self-assigned IP address error.  

  • Open System Settings → Wi-Fi → Click Details beside your Wi-Fi name.

select dns, click plus sign in wi-fi settings

  • Add   these numbers: 8.8.8.8 8.8.4.4 1.1.1.1 9.9.9.9

add dns addresses, click ok in wi-fi settings

11. Check for conflicting IP address 

Ensure that no other devices on your network use the same IP address as your Mac. Check your router’s DHCP client list and verify that all devices have unique IP addresses assigned.

12. Disable VPN 

If you have a VPN service enabled, disable it temporarily to see if it resolves the self-assigned IP address error. Open your Mac’s VPN settings and turn off the VPN connection. 

Bonus fixes 

You may need to attempt more complex fixes if the troubleshooting techniques outlined above do not fix the self-assigned IP address problem on your Mac:

  • Update your Mac to the latest OS version.
  • Verify your Mac is not infected with any malware or viruses. 
  • Ensure your network devices are operating well and there are no hardware problems. 
  • Restart your router or modem
  • Reset NVRAM or PRAM on Mac to clear up the system settings memory. 

Tips to prevent self-assigned IP address issues on Mac

Self-assigned IP address error is indeed frustrating as it prevents your Mac from accessing the internet. So, you must take some precautions to avoid such a nuisance in the future.

  • Regularly update your Mac
  • Try to restart your Mac, router, or other network devices once in a while
  • If your router or modem is outdated, replace it with a new one to get optimal performance. Also, configure the network with high-quality equipment.
  • Connect your Mac to only one active network. I suggest using an ethernet cable for a stable connection.
  • Don’t connect too many devices to your Wi-Fi at a time, as it may create network overcrowding.

Get back your smooth internet access!

Encountering a self-assigned IP address error on your Mac hampers your work, so you should address it ASAP. You can tackle the issue and restore a stable and reliable network connection using these troubleshooting techniques. 

If the problem isn’t resolved, contact Apple Support and seek assistance.

Explore more…

  • MacBook connects to Wi-Fi but has no Internet? 12 Fixes  
  • Wi-Fi not working on Mac? 10 Ways to fix!  
  • How to Run Wi-Fi Diagnostics on Mac for Better Network Connections  
  • How to fix IP address conflict on Mac: Simple solutions to fix it!

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What is Self-Assigned IP and How to Fix it

self assigned ip and cannot connect to the internet

The self-assigned IP error may prevent your Mac from connecting to the Internet. You may get an Internet connection error messages such as “Wi-Fi has the self-assigned IP address and will not be able to connect to the Internet.” If you investigate this issue further, you will see that the Network pane in System Preferences will also show a notification message saying “Self-Assigned IP” with a yellow dot instead of the regular “Connected” message under the network service, as you can see in the screenshot below. This problem may occur when Mac is connected to a wired, wireless (Wi-Fi), or hotspot connection.

Self-Assigned IP message in Network Settings

This problem occurs when a self-assigned IP address is issued to network interfaces. When this issue happens, not all computers connected to the same network may be affected. For example, in the same home, one Mac may have this problem while other similarly configured Macs may have no problem at all, even though they all are using the same Wi-Fi connection. This may mean that the root of the problem is how the problem Mac is configured. Several factors may cause this issue, such as:

  • Bad cable connections.
  • Not getting an IP from the router or modem.
  • Failure of the DHCP server.

Follow the steps below to address this problem. Please try the steps in this order. After trying each step, check to see if your problem is fixed. If it is not fixed and if you still see the Self-Assigned IP error, move to the next step.

Self-Assigned error troubleshooting steps

Check your router/modem : If you are connected over Wi-Fi, ensure that your Mac is not too far away from the router/modem.

Restart your router/modem and your Mac : You can do this easily. Simply disconnect the power cable to your router/modem. Wait 30 seconds. Then reconnect. Then restart your Mac. Click the Apple  menu and select Restart .

Renew DHCP Lease : On your Mac, open System Preferences and click on Network . Select the network service you want to connect to (e.g., Wi-Fi or Ethernet) and click on Advanced . This will open a new window. Select the TCP/IP tab and click the Renew DHCP Lease . Then click OK .

Renew DHCP Lease button

Check your connection settings : On your Mac, go to System Preferences > Network . Then select the network that shows this error and click Advanced . Select the TCP/IP tab and then make sure that “Configure IPv4” and “Configure IPv6” are set to Using DHCP and Automatically , respectively.

DHCP settings page

Then click on the DNS tab, and delete any DNS servers that are listed there. Select them one by one and click on the minus button to remove them. Do not forget to click OK and Apply when you are done.

Create a new network location : On your Mac, open System Preferences and Network . Open the Location drop-down menu and select Edit Locations . Click the plus (+) button and add a new location, give it a name and click Done . Now you have two locations: Automatic and your new location. Select this new location and then click Apply .

Network Locations

Now, we will add a new Wi-Fi or Ethernet service, whichever you are using. Click the plus (+) sign under the network services on the left, select the Interface (Wi-Fi, Ethernet, etc.) and name it, then click Create . Then click Apply .

New network create screen

Now select the Self-Assigned IP network and then click the minus (-) button to delete it. Then click Apply . Does this newly created service connect?

Reset the system firewall: We can do that by deleting its preference file . Open a Finder window and then click Go and Go to Folder from the top menu bar. Enter /Library/Preferences/ and click Go .

Preferences

Once the Preferences folder is open, find the com.apple.alf.plist file. Delete this file (or place it on your Desktop; if you are not happy with what happens, you can put it back). Then restart your Mac.

Firewall Preference file

Related articles

  • How To Reset Network Settings On Mac
  • How To Use Network Utility on Mac
  • Mac Wi-Fi Connected But No Internet Access
  • iPhone Will Not Connect To A Known Wi-Fi Network, Fix

self assigned ip and cannot connect to the internet

Dr. Serhat Kurt worked as a Senior Technology Director specializing in Apple solutions for small and medium-sized educational institutions. He holds a doctoral degree (or doctorate) from the University of Illinois at Urbana / Champaign and a master’s degree from Purdue University. He is a former faculty member. Here is his LinkedIn profile and Google Scholar profile . Email Serhat Kurt .

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Help! "LAN has self-assigned IP cannot connect to internet"

‎25 Nov 2021 09:13 AM

Answered View answer in the context of this discussion

jamesn123

Re: Help! "LAN has self-assigned IP cannot connect to internet"

‎25 Nov 2021 09:56 AM

View this Answer within the discussion

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‎25 Nov 2021 09:41 AM

‎25 Nov 2021 09:54 AM - last edited: ‎25 Nov 2021 09:55 AM

‎25 Nov 2021 10:04 AM - last edited: ‎25 Nov 2021 10:21 AM

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How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

self assigned ip and cannot connect to the internet

Here, you will find some solutions that will help you fix the Wi-Fi issue on the MacBook. Sometimes, in a new place, we have to connect our MacBook to a local Wi-Fi to access the Internet.

Sometimes the Wi-Fi may already be connected, but we still cannot access the Internet. In this case, check your MacBook’s Wi-Fi icon first on the menu bar.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

If you see the exclamation mark ( ! ) on the Wi-Fi icon in the menu bar, as you can see in the picture above, it means that there’s a network issue. Click on the Wi-Fi icon and you will probably see the following drop down menu.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

How to Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Many things can cause the no internet connection issue, one of which is the self-assigned IP issue . If you are using Mac OS X 10.5 or later and facing this issue, try the following.

Check your Network Preferences

To start, go to the Apple menu > System preferences > Network.

In this part, you have to ensure that Location (1) is on the Automatic option, as you see in the picture below, then click Advanced (2).

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

After you click Advanced (2), a new window will appear, as shown in the picture below. Click on the TCP/IP tab to view this window.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

You should see two things: Configure IPv4 (1) and Router (2). If Configure IPv4 has been set to Using DHCP and the Router field is empty, then try the following steps to resolve the issue.

Reset Network Configuration

  • Click on the Finder Icon, then in the Menu Bar Click Go > Go to Folder

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

  • After you click Go to Folder, type: /Library/Preferences/SystemConfiguration/

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Note: This will reset all your network configurations. Feel free to proceed if you have no problem losing your network configuration.

  • Delete the files highlighted in the picture below. You will be asked for your admin password.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

  • Restart your MacBook . After you log in, try to connect to the same Wi-Fi. Check and make sure that Router IP fills the Router in the Advanced window.

How To Fix Common Connection Wi-Fi Issue: Self-assigned IP on MacBook

Renew DHCP Lease

Here's what you need to do:

  • From the menu bar, click on the Apple logo
  • Next, head over to System Preferences
  • Go to Network Settings
  • Choose your Wi-Fi or Ethernet
  • Select Advanced and go to the TCP/IP tab
  • Find the iPv4 Address line, and click on Renew DHCP lease right next to it
  • Finally, click OK.

Create a brand new network location

If the previous suggestions didn't make any changes, try the following:

  • Click on the drop-down menu right next to Location
  • Next, click on Edit Locations
  • Click on "+"
  • Enter the name of the location
  • Click Done.
  • Next, select your Ethernet or Wi-Fi
  • Click Advanced and then choose the TCP/IP tab

Reset the firewall

Still nothing? It's time to reset the firewall. Here's how:

  • Open Finder
  • Click Go > Go to Folder
  • When the pop-up window shows up, enter the following: /Macintosh HD/Library/Preferences/
  • Find the file: com.apple.alf.plist
  • Delete that file
  • Restart your Mac.

Set the service order

Follow the steps below:

  • Click on the Apple logo and then head over to System Preferences
  • Find the gear button at the bottom and click on it
  • Click on the option Set the service order
  • Place the services at the top of the list by dragging them there.

Changing DNS servers

Changing DNS servers helped many users to get rid of the problem. Give it a try:

  • Select Advanced
  • Click on the DNS tab
  • Next, click on "+"
  • Add the following numbers:

If you have tried all these suggestions but are still facing the same issue, please contact Apple Support.

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self assigned ip address mac

How to Fix the Self Assigned IP Address Issue on Mac

At times macOS users face the self-assigned IP address malfunction on their computer. Your Mac will keep alerting you to the ‘internet not working’ pop-up even if you have a Wi-Fi network connection.

It allows the network interface to make a malfunctioning ad-hoc network. There can be many reasons for network issues like a broken cable, DHCP server problem, network location, etc. But, it gets better if you know the correct way to troubleshoot the issue.

Table of Contents

Fixes for the self-assigned IP address issue

Self-assigned IP issues can frustrate users and cause internet issues. But, fret not, you can fix self-assigned IP address malfunction using any of the methods mentioned below:

  • Restart your modem

Before trying any other method to fix the internet issue restart your modem to see if it works. Click the ‘Wi-Fi’ button from the top menu on the Mac to turn it off. Please wait for a few minutes and then turn it back on. Check to see if the issue is fixed.

If this hack works, you will see the Wi-Fi connection running on your Mac with a proper IP address.

  • Re-enable the network preferences

self assigned ip and cannot connect to the internet

To reset network preferences on your computer, follow these steps:

  • Open Mac, launch ‘Finder,’ and in the top menu bar, tap on ‘Go to Folder’ from the drop-down menu of the ‘Go’ bar
  • A new window will appear, type ''/Library/Preferences/SystemConfiguration/'' and press enter
  • The System Configuration window will open. Then delete the following commands: ‘ com.apple .airport.preferences.plist, Networkinterface.plist and preferences.plist’ to reset network configurations
  • Please only delete the files if you have no issue losing the network configuration
  • Please switch off the Mac and then switch it back on; try and link to the Wi-Fi again
  • Open TCP/IP settings again and look for the files that you deleted
  • You will find the removed files back in the old folder

self assigned ip and cannot connect to the internet

  • Renew DHCP lease

One of the most common fixes to the ‘self-assigned IP issue’ is to renew the DHCP lease. A DHCP lease temporarily assigns an IP address to a device connected to the internet.

If the internet connection is malfunctioning, follow these steps to renew your DHCP lease:

  • Tap the Apple logo on the top-left menu bar, then visit the ‘System preferences’ section
  • Then click on ‘Network settings’ and click ‘Advanced’ in the Wi-Fi section
  • Then select the ‘TCP/IP’ section and tap on the ‘Renew DHCP lease’ button and select OK
  • After renewing the lease, check if you can connect to your Wi-Fi

self assigned ip and cannot connect to the internet

  • Make a different network location/ new location

One way to fix self-assigned IP is to set up new network locations on your Mac. Follow the steps below to make a new network location:

  • Tap on the Apple logo from the menu bar and select ‘System preferences’
  • Enter the ‘Network settings’ then tap on ‘Drop-down menu’ near the Location tab
  • Then tap on ‘Edit locations’ and tap on the ‘+’ button and add a ‘new network location’ and tap on done
  • Choose ‘Wi-Fi’ or Ethernet; if not selected automatically
  • Then press on ‘Advanced’ button and again press the ‘Renew DHCP lease button’ and enter
  • This will set a ‘new location’ on the device
  • Reset Firewall

Primarily self-assigned IP address malfunction occurs when the system’s Firewall undergoes configuration problems. If you have performed significant configuration changes on a Mac, settings may not migrate properly. It causes a Firewall issue and might disrupt the network connection.

To fix the firewall configuration issue, follow these steps:

  • Click the ‘Finder’ icon to launch it, then select ‘Go to folder’ in the ‘Go’ menu bar
  • In the pop-up window, enter the following command /Macintosh HD/Library/Preferences/
  • In the new window, delete the ‘com.apple.alf.plist’ command
  • After the Mac restarts, reboot it and check if the Wi-Fi connects

self assigned ip and cannot connect to the internet

Note that after the system boots, you would have to allow connections for the numerous programs temporarily. 

  • Setup the service order in network settings

If your Mac has a self-assigned IP address issue, try resetting the service order of Wi-Fi in the network settings.

To set ‘Service order’ on Mac, follow these steps:

  • Select the Apple logo on the screen and click ‘system preferences’
  • Click on ‘Network icon and then press on the gear icon
  • Then tap ‘Set service order,’ and drag the services you are using at the start of the file
  • For example, if you are utilizing Wi-Fi, select ‘Wi-Fi’ and put it on the first number

self assigned ip and cannot connect to the internet

  • Change DNS servers

DNS servers change the domain name to IP addresses. Try changing the DNS servers to see if the issue fixes. Follow these steps:

  • Select the Apple logo and click ‘system preferences,’ then click on the ‘Network’ icon
  • Select the Wi-Fi icon or Ethernet you use (if not selected already)
  • Then choose the ‘DNS’ tab in the ‘Advanced’ section and press ‘+.’
  • Add the following numbers to the DNS server list: ‘8.8.8.8, 8.8.4.4, 1.1.1.1, 9.9.9.9’ and click ‘OK’
  • It will most likely fix the self-assigned IP address problem in your Mac

self assigned ip and cannot connect to the internet

Contact an Apple support team tech. If the above methods do not fix your Mac’s self-assigned IP address issue.

What does self-assigned IP mean on Mac?

Self-assigned IP is one of the reasons why you are unable to use the internet on your device. It mainly occurs when your network router does not provide your device’s IP address, causing internet connection issues.

How do I give my Mac a static IP address?

You can give your Mac a static IP by following the steps below:

  • Select the Apple logo and click ‘System preferences’
  • Click on the ‘Network’ tab and then select the ‘Advanced button’ 
  • ON TCP/IP section, open the configure IPv4 list and select ‘manually’
  • Enter your IP settings in the field, and the static IP address will the assigned 

Conclusion 

By now, you must have learned how to fix self-assigned IP on your computer. Though it is not a huge problem, it does cause a lot of frustration among users. Hopefully, you found the article helpful and learned how to fix network malfunctions on your mac OS.

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Ethernet has a self-assigned IP address and will not be able to connect to the internet...

  • Thread starter TheRealNick
  • Start date Jun 5, 2021
  • Sort by reaction score
  • Older macOS Versions
  • macOS Big Sur (11)

TheRealNick

TheRealNick

Macrumors member.

  • Jun 5, 2021

Screenshot 2021-06-05 at 09.41.26.png

mystery hill

Macrumors 6502a.

Have you tried manually setting the IP address instead of using DHCP?  

chrfr

macrumors G5

TheRealNick said: Big Sur is 11.1, Click to expand...
chrfr said: Not a guaranteed fix by any means, but I'd update to 11.4. There have been lots of bug fixes built into Big Sur between 11.1 and 11.4. Click to expand...

Does the ‘iPhone USB’ network also have the Location set to Automatic?  

dumiku

macrumors regular

TheRealNick said: So I regularly use my iPhone for internet access on my Mac. (Retina 5K, 27-inch Late 2015) I also plug in my Xbox through the ethernet port and share the connection. I've never really had an issue but yesterday I received the error "Ethernet has a self-assigned IP address and will not be able to connect to the internet..." I cannot seem to fix this. I tried plugging my laptop in instead of the Xbox and received the same message, so it is not just the Xbox. I also tried three different cables just to be sure it wasn't the cable, same message. Does anyone have any further ideas on how I can fix this? Big Sur is 11.1 11.4 and I don't know if its makes a difference but the iPhone is an XR running iOS 14.5.1 Many thanks! View attachment 1787215 View attachment 1787216 ​ Click to expand...
mystery hill said: Have you tried manually setting the IP address instead of using DHCP? Click to expand...

macrumors G4

The list on the left is a prioritized hierarchy of interfaces. The Mac will look for an internet connection beginning at the top interface and working down. Since you have an XBox at the top of the list that can’t provide internet access to your Mac, the message you see makes perfect sense. Drag iPhone USB above Ethernet and you should be fine.  

dumiku said: Did you try this, should be a temp fix, also try disconnecting your iPhone and connect it again? Click to expand...
mystery hill said: Does the ‘iPhone USB’ network also have the Location set to Automatic? Click to expand...
chabig said: The list on the left is a prioritized hierarchy of interfaces. The Mac will look for an internet connection beginning at the top interface and working down. Since you have an XBox at the top of the list that can’t provide internet access to your Mac, the message you see makes perfect sense. Drag iPhone USB above Ethernet and you should be fine. Click to expand...

Screenshot 2021-06-05 at 22.40.26.png

  • Jun 6, 2021
TheRealNick said: Thanks for your help, I have tried disconnecting and restarting a number of times with no luck. I'm not sure what address range I can use to set a manual address so I'm not sure how to go about doing it without conflicting with anything... or am I overthinking things here? Click to expand...

sgtaylor5

Contributor

Check your router or wireless access point: the DHCP function may not be working right. DHCP assigns IP addresses to downstream devices, like iPhones and Xboxes. If DHCP isn’t working, then your downstream devices will self-assign IP addresses. Try rebooting the router.  

diggy33

macrumors 65816

Have you tried just deleting the Ethernet adapter, and then add it back?  

Fishrrman

macrumors Penryn

I would POWER DOWN everything (completely off, not just "a restart"): - Macs - Router(s) - ISP interface/modem Then, RE-power, in order: 1. ISP interface/modem 2. Router(s) 3. Macs.  

macrumors newbie

  • Jun 9, 2021

Is there a solution to this? I'm also getting this error. Not coincidentally a spectrum guy came to my place last night and gave me a new modem.  

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Technology Simplified.

Self-Assigned IP Address Error on Mac: How to Fix?

By: Waseem Patwegar | November 15, 2022

If Wi-Fi or Ethernet is not working on your MacBook due to “Self-Assigned IP Address” error, you can find below the steps to restore network connectivity on your Mac.

Self Assigned IP Address On Mac

Self-Assigned IP Address on Mac

In a typical case of this nature, the MacBook appears to be connected to the Network (WiFi or Ethernet), but it fails to load webpages and comes up with “Self-Assigned IP” error.

As indicated by the wordings (Self-Assigned IP Address), the reason for this problem is due to your Mac Assigning itself an IP Address that is not valid or not recognized on the network.

Luckily, in most cases the problem of No Internet connectivity due to “Self-Assigned IP Address” can be fixed by rebooting the modem.

1. Power Cycle Modem/Router

Before going ahead with other methods, simply disconnect the Modem/Router from its power supply source > wait for 60 seconds and reconnect the Modem/Router back to its power supply.

After this, you should find internet working properly on your Mac, as it starts using a valid IP Address on both WiFi and Ethernet to connect to the network.

2. Renew DHCP Lease

1. Click on Apple Logo in the top menu-bar and select System Preferences… in the drop-down menu.

Open System Preferences on Mac

2. On System Preferences screen, click on the Network Icon.

Network Option in System Preferences Screen on Mac

3. On Network screen, select your Network ( Ethernet or WiFi ) in the side-menu and click on Advanced .

Advanced Option in Network Settings Screen on Mac

4. On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease button.

Renew DHCP Lease Option on Mac

5. Click on OK to save the revised settings.

After the DHCP lease is renewed, you should be able to connect to internet

3. Delete PLIST Files

The problem of No Internet on Mac due to Self-assigned IP Address can be fixed by removing certain files related to network connectivity on your computer.

1. Click on the Finder Icon in taskbar > click on the Go tab in top-menu bar and select Go to Folder option in the drop-down menu.

Open Go to Folder on Mac

2. In Go-to window, Type /Library/Preferences/SystemConfiguration/ and click on the Go button.

Go to /Library/Preferences/SystemConfiguration/ Folder on Mac

4. In System Configuration folder, delete the following folders (right-click on the Folders and move them to trash).

  • com.apple.airport.preferences.plist
  • com.apple.network.identification.plist
  • NetworkInterfaces.plist
  • Preferences.plist

Note: Your Mac will automatically recreate above Folders when it restarts.

5. Shutdown the MacBook > Wait for 30 seconds and Restart the Mac again and see if you can now connect to the internet.

4. Set Service Order

Make sure that your MacBook is always connecting to your preferred network type (WiFi or Ethernet).

1. Click on Apple Logo > System Preferences > Network > On the Network screen, click on the Gear icon and select Set Service Order option in the drop-down menu.

Set Service Order Tab on Mac Network Settings Screen

2. On Service Order window, drag your preferred Network (WiFi or Ethermet) to the top position.

Choose Preferred Network Type on Mac

3. Once you are done, click on OK to save the changes.

5. Create New Network Location

If you are still unable to connect to Internet, create a New Network Location on your Mac and renew its DCHP lease.

1. Click on Apple Logo > System Preferences > Network > On the Network screen, open the Location menu and select Edit Locations option.

Edit Network Locations on Mac

2. On the next screen, click on the Plus icon to Add New Location.

Add Network Location Option on Mac

3. On the next screen, type a Name for the New Network Location and click on Done .

Name New Network Location Option on Mac

4. After creating new location, select either WiFi or Ethernet in the side menu and click on Advanced .

5. On the next screen, switch to TCP/IP tab and click on Renew DHCP Lease .

6. Click on OK to save the new settings.

This should certainly fix “Self-Assigned IP Address problem and restore network connectivity on your Mac.

6. Switch to Google DNS

If your Mac is frequently struggling from Network connectivity issues, the problem might be due to the DNS Servers of your Internet Service provider being busy and clogged up.

To fix this issue, you can consider switching the DNS servers on your Mac to Google DNS or Open DNS.

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How to Fix Self-assigned IP Address Error on Mac

MacBook

The self-assigned IP address error on a MAC is a common issue when the device cannot obtain an IP address from the router or DHCP server. It can cause Internet connectivity problems and make it difficult to access local network resources.

In this article, you will learn the causes of this error and provide troubleshooting steps to resolve it.

Content Table

What Does it Mean When It Says WiFi Has a Self-Assigned IP Address?

Self-Assigned IP Address Error

When a device says it has a “ self-assigned IP address ” on a WiFi network, it cannot obtain a valid IP address from the router. It can happen for various reasons, such as a conflict with another device on the network with the same IP address or an issue with the router’s DHCP (Dynamic Host Configuration Protocol) settings. 

Without a valid IP address, the device cannot access the internet or communicate with other devices on the network. To fix this issue, try restarting the device and router, checking for firmware updates, or manually changing the IP address.

What Are The Reasons for Self-Assigned IP Address Errors?

Several reasons for a self-assigned IP address error can occur on a MAC . Some of the most common causes include:

  • Incorrect network settings: The network settings on the MAC may be configured incorrectly, which can prevent it from obtaining an IP address from the router or DHCP server.
  • DHCP server issues: The DHCP server may be down or not working properly, which can prevent the MAC from obtaining an IP address.
  • Router issues: The router may malfunction or not be configured properly, which can prevent the MAC from obtaining an IP address.
  • Malware or viruses: Malware can infect the MAC and cause it to assign itself an IP address, preventing it from connecting to the internet or local network resources.

Troubleshooting Steps to Fix a Self-Assigned IP Address Error on a Mac

To fix a self-assigned IP address error on a MAC , you can try the following troubleshooting steps:

  • Check network connection: Ensure that the MAC is connected to the network and that the network cable is securely plugged in.

MacBook - Self-assigned IP Address Error on Mac

  • Renew DHCP lease: Try renewing the DHCP lease on the MAC by going to the “ System Preferences ” > “ Network ” > “Select Network” >” Advanced ” > “ TCP/IP ” tab, then click on the “Renew DHCP Lease” button.

Renew DHCP Lease - Self-assigned IP Address Error on Mac

  • Reset the router: Try resetting it by unplugging it for 30 seconds, then plugging it back in.

Power Off Router - Self-assigned IP Address Error on Mac

  • Check for updates: Make sure the MAC runs the latest software updates.

Update macOS - Self-assigned IP Address Error on Mac

  • Disable VPN: If you are using a VPN, disable it and see if it helps.
  • Check for conflicting IP addresses: Make sure that no other devices on the network use the same IP address as the MAC.
  • Disable IPv6: Some users have reported disabling IPv6 on the MAC can fix the issue.

Disable IPv6 Mac - Self-assigned IP Address Error on Mac

Some Bonus Fixes:

If the troubleshooting steps above do not resolve the self-assigned IP address error on your MAC , you may need to try some advanced solutions:

  • Check for malware or viruses: Make sure that the MAC is not infected with malware or viruses which can cause this issue.
  • Reinstall network adapter driver: Try reinstalling the network adapter driver on the MAC.
  • Check for hardware issues: Make sure that the network adapter on the MAC is functioning properly and that there are no hardware issues.
  • Reset NVRAM or PRAM: Try resetting the NVRAM or PRAM on the MAC.

Reset NVRAM - Self-assigned IP Address Error on Mac

  • Contact technical support: If none of the above steps resolves the issue, contact technical support for further assistance.

It’s important to note that maintaining a stable network connection is crucial for the smooth operation of any device. A self-assigned IP address error can be a frustrating problem to deal with, but by following the steps outlined in this blog post, you should be able to resolve it quickly and get back to using your MAC as usual.

Additionally, it is always a good practice to keep your MAC updated, regularly check for malware and viruses, and ensure that the network adapter is working properly. It can help prevent self-assigned IP address errors and other network-related issues from occurring in the future.

How do I Fix the 169.254 IP Address on Mac?

If you’re experiencing an IP address of 169.254 on your Mac, your computer cannot obtain an IP address from your router. Various issues, such as a malfunctioning router or a conflict with another device on your network, can cause it. 

To fix this, you can restart your router and Mac and check for any conflicting devices on your network. Depending on whether the problem persists, you may need to configure your IP address settings on your Mac manually. 

You can do it by going to System Preferences > Network > Advanced > TCP/IP . Consult your router’s manual or contact your internet service provider for specific instructions.

Manual IP Config Mac - Self-assigned IP Address Error on Mac

How do I Fix DHCP on Mac?

Dynamic Host Configuration Protocol, or DHCP, is a crucial network component in most networks. The device assigns IP addresses to devices connected to the network. Without it, devices may be unable to connect to the internet or communicate with other devices on the network. If you are experiencing issues with DHCP on your Mac, there are a few steps you can take to fix the problem.

The first step is to check your network settings. Make sure that your Mac is set to obtain an IP address automatically and that DHCP is enabled. If these settings are incorrect, you may need to enter them manually. If this does not fix the issue, try restarting your router or modem. Sometimes, a simple reboot can resolve DHCP issues.

Another solution is to clear your DHCP lease. It will force your Mac to request a new IP address from the DHCP server. To do this, open the Terminal app on your Mac, then type in “ sudo dhclient -r ,” followed by your admin password. It will release the current DHCP lease, and your Mac will request a new one.

Fix DHCP via Terminal - Self-assigned IP Address Error on Mac

If none of the above solutions works, your router may malfunction, or you might have a problem with your modem. Try contacting your internet service provider for assistance or checking for firmware updates for your router.

Various issues, including incorrect network settings, DHCP server issues, and router problems, can cause a self-assigned IP address error on a MAC. To fix this issue, you can try troubleshooting steps such as renewing the DHCP lease, resetting network settings, and resetting the router. 

In case these steps fail, you can try advanced solutions such as checking for malware or viruses, reinstalling the network adapter driver, and checking for hardware issues. If the problem persists, you may need to contact technical support.

Read : How to Fix if Mac Keyboard Not Working Properly?

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Getting a self assigned IP address in Mac OS X 10.10 (Yosemite) on a Mac Mini

I have had a situation where I cannot access the internet and the network preferences list ethernet interface connected to DSL modem has self assigned IP address and cannot connect. It is set to connect via DHCP.

I Googled this problem and the instruction was to remove a file called com.apple.alf.plist from /Library/Preferences and then reboot.

I did this and the interface to the DSL shows that it is connected but I still cannot get to remote sites.

One probable cause of the (DHCP) self assigned IP address issue might have been a system upgrade or a crash or other significant event but there has been nothing like that.

I have been playing with the ethernet cables and now the preferences list the interface as having a self assigned ip address again.

EDIT: This machine has the internet connection to the built in ethernet port and a local network connection via usb/ethernet interface. I switched the internet connection to the USB/Ethernet interface via DHCP and I can now get to the Internet, and I can’t get to other hosts running on local network (now connected via built in ethernet port). I suspect that the built in ethernet port has a hardware problem).

  • I want local network isolated from internet connected local network
  • I am not looking for this machine to serve as a gateway from one network to another.
  • The built in ethernet port/interface is not working properly
  • I have removed the com.apple.alf.plist file from /Library/Preferences and rebooted with no improvement, accept the "self assigned IP address" status doesn’t show and the Ethernet interface indicates that it is connected, but doesn’t send or receive anything.
  • I ran AHT (Apple Hardware Test) and nothing in the way of hardware was found to malfunction.
  • I have another USB/Ethernet interface and am using that in lieu of using the built in ethernet port/interface. Both USB/ethernet interfaces work fine.

I know how to set interfaces with static private ip addresses, as well as using preferences to specify dchp. My ISP’s DSL modem is expecting interfaces on local hosts to use DCHP.

Giacomo1968's user avatar

  • 1 First, lets simplify things: [START] You have a computer with OSX. It has a Ethernet port which is set to be configured via DHCP. The port gets a link but the DHCP req fails [END]. It gets a link so the cables are fine. All the rest is fluff except for what you alraady tried. Next thing to try: 1a) Do other computers work via DHCP (aka is it you OSx install acting up or the DHCP server in the router). 1B) if you lack another computer, what happens when you configure en0 with a static IP and netmask on the same network as your router. Are you able to ping your gateway IP? –  Hennes Jul 13, 2016 at 18:43
  • 1 Test 2) What happens if you open a shell, bring en0 down (ifconfig en0 down?) and try a dhcp req on that? (guessing ipconfig set en0 DHCP based on superuser.com/questions/86956/… ). –  Hennes Jul 13, 2016 at 18:45
  • PS: I saw your edit by I fail to parse it. What does " This machine has the internet connection to the built in ethernet port" mean? The Ethernet port is a *p8C plug. –  Hennes Jul 13, 2016 at 18:48
  • @Hennes - fair start but actually I think the OP is trying to get throughput from one NIC to the other - which is not going to happen that way without tech-level work. Simple fix would be "buy an ethernet switch & plug everything into that", I think. –  Tetsujin Jul 13, 2016 at 18:52
  • @OP: can you check these two posts: superuser.com/questions/717629/… superuser.com/questions/450493/… –  Hennes Jul 13, 2016 at 19:00

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self assigned ip and cannot connect to the internet

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MarkSpotKick

"Ethernet has a self-assigned IP Address & will not be able to connect to the Internet"

I just installed a new modem ( Arris Surfboard T 25) and using my Airport Extreme Router I get Internet. But if I try to connect directly to the Modem using my ethernet cable I receive a message in my Network Pane stating "Connected" but" Ethernet has a self-assigned IP Address and will not be able to connect to the internet"

I have tried adding a "New Location" in place of "Automatic"but status remains the same.

What should I do?

Mark, MacBook Pro 2013 MacOS Mojave 10.14.6

MacBook Pro 13″, macOS 10.14

Posted on Aug 27, 2020 11:21 AM

Bob Timmons

Posted on Aug 27, 2020 5:06 PM

I've asked you to power off the modem for a time because cable modems behave in a particular way. They only "remember" the device that they have been previously connected to, so when you connect your Mac directly to the modem, the modem is still looking for the AirPort Extreme. It can't find it, because it only knows to look for the AirPort Extreme.

So, you have to reset the modem so that it will "forget" your AirPort Extreme and "associate" with your Mac to set up a new connection. The extended power down resets the modem and gives the equipment back at the cable company time to reset as well and issue a new fresh connection.

That is why it is very likely that you will have to go through the modem power down process again when you want to connect the AirPort Extreme back to the modem.

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Aug 27, 2020 5:06 PM in response to MarkSpotKick

Aug 27, 2020 11:49 AM in response to MarkSpotKick

If your AirPort Extreme is working correctly, not sure why you want to connect your Mac directly to the modem.

Did you remember to power off the modem, leave it off for 10-15 minutes, then power it back up......before......you attempt to connect your Mac directly to the modem? Even better.....restart your Mac again before you connect it to the modem.

Here's the whole deal.......

Power off the modem completely by pulling the power cable from the back of the device or from the AC wall socket, whichever is easier

Leave the modem off for 10-15 minutes. Longer will not hurt and in some cases will be necessary depending on your Internet Service Provider.

After the 10-15 minutes of power down, power up the modem and let it run for a few minutes by itself

Restart your Mac

Connect your Mac to the modem using the Ethernet connection.

When you reconnect the AirPort Extreme to the modem again, you will have to go through the same process as above, just substitute the AirPort Extreme for your Mac.

Aug 27, 2020 12:12 PM in response to Bob Timmons

Thanks, I will try this, and thank you for you very prompt response.

As you say why bother if my router /network works properly. Answer is that this is an old Extreme router which I have just discovered is only giving me 40% of my internet speed, so I was verifying the speed.

So, I am buying a new router - another Airport Extreme, this is the 6th Generation ( apparently "New" not "refurbished" according to the Amazon Vendor) and I just wanted that contingency of directly accessing the Internet using an ethernet cable, if something should go awry on the router front.

The T 25 modem has 2 ethernet ports so I think I won't need to disconnect the router when powering off for the first time.

Aug 27, 2020 1:19 PM in response to MarkSpotKick

this is an old Extreme router which I have just discovered is only giving me 40% of my internet speed, so I was verifying the speed.

Old or new, the AirPort Extreme will top out at about 300-325 Mbps as far as its Internet connection speed.

I haven't tested that particular modem, but you may still need to go through the power down and up process whenever you change the device that is connected directly to the modem.

As far as a "new" AirPort Extreme, Apple discontinued the Extreme in AprIl 2018 and sold off the remaining inventory at that time. It's possible that an AirPort Extreme could be "new", but it has been sitting on a shelf somewhere for well over 2 years.

Aug 27, 2020 1:43 PM in response to Bob Timmons

I'll be happy with 300 Mbps as that is the speed I have purchased.

And,Yes, thank your the heads up.... I was aware that Apple got out of the router business, so I agree "new" isn't exactly new. However my "old" Extreme router is over 12 years old, and it still delivers 95-100 Mbps. I have never had problems with it and but for it aging gracefully , ( to a slower speed) I wouldn't change. But if a change is made i decided to try my luck with the "new" Extreme.

I will let you know tomorrow if your suggestion fixes my particular problem, and as you say it's really not a problem when the Modem/ Router/LAN all work just fine.

Aug 28, 2020 1:35 PM in response to Bob Timmons

Thank you, for your precise instructions. you have resolved my small problem.

Indeed, you have been right all along. I did power down the modem and connected with my laptop via ethernet cable. And just as you pointed out I had to repeat the same process to reconnect to the Airport Extreme, by powering down the modem a second time.

Any I now understand the issue, which is new and strange because my old modem, likewise a 12 year old Arris 3.0 DOLCIS allowed me to jump from router to laptop and back again without interruption.

That is why I posted my concern. Looks like the new modems stick to the rule you highlight -only one connection remembered.

Aug 28, 2020 2:09 PM in response to MarkSpotKick

Nice work. You might be able to get away with a shorter power down period for the modem, it all depends on your Internet Service Provider and how fast their equipment will reset and issue a new fresh connection.

A really good provider will reset the modem quite quickly, maybe as quick as a few seconds. A not so good provider will sometimes take 30 minutes or more before the modem will reset.

I suggested the 10-15 minute power down since that will cover just about all but the slowest providers. If you have the time, you can find out how quickly your provider will reset things. It might be as quick as power off the modem, count to ten, and power up again.

Your new AirPort Extreme should be able to handle a 300-325 Mbps Internet connection pretty well, but it won't go much higher. If you see 100 Mbps, that would usually indicate a bad Ethernet cable. A bad cable will still allow a connection, but limit speeds to 100 Mbps.

Would be interested to see how the new Extreme is doing when/if you have a chance to post back.

Aug 28, 2020 4:25 PM in response to Bob Timmons

OK will do.

I get my new Airport Extreme, next week ... sometime between 1st & 4th Sept.

I will remember to let you know what my final out come is...... when it comes to the ethernet cable connection to my new router.

The current cable is buried in the wall through 2 floors, but it is a 5e cable, so should be adequate.

My Service provider is of course Comcast, since I live in Philadelphia PA, and their power down/ reset is 10 seconds. I used a 30 second break to make sure during the recent powering down you suggested I go through, and it worked.

So, bye for now, and My next post to you will be when I have the new Extreme in place and the outcome in internet speed.

Aug 30, 2020 12:13 PM in response to Bob Timmons

So here's my news

My new Airport Extreme arrived this morning, and I and our LAN are happily connected in place of the old retired Extreme.

The new one, is exactly as advertised - NEW; still in it's original Apple packaging and box.....recognizing it was manufactured in 2017 or 2018

I can confirm the the top speed we get is 350 Mbps - which is the top Xfinity Comcast delivered speed. My wife's MacBook Pro is a 2016 model which has wireless 802.11ac and she get's this speed anywhere. - ( my Airport Utility advises Data Transfer up to 750 Mbps available to her machine)

I have the old 2013 MBP and I have only 802.11b/g/n, so my max. Data transfer available is 300 Mbps, and my actual connection speed tops out at 220 Mbps, where I normally use it. Nearer to it, in our bedroom annex where the Extreme is located, I get 250 - 290 Mbps. Also if I connect with an ethernet cable to one of the Router LAN ports I also get 350 Mbps. So the limitation is my machine. All of this also applies to our phones and iPad's depending on age and whether their connection is 802.11ac or not.

So very pleased with the end result.

And once again, thank you for talking me through the finer points of today's modem connectivity issues

Aug 30, 2020 12:26 PM in response to MarkSpotKick

Thanks for posting back.

Good news! Looks like the new AirPort Extreme has done the trick! Excellent performance.

Glad that we could help on the modem checks.

If you have not already done so, you might want to make sure that the new AirPort has the latest firmware installed. That would be 7.9.1, which became available about a year after Apple stopped producing the AirPorts, so a new factory sealed unit would be running an earlier version of firmware.

Aug 30, 2020 12:58 PM in response to Bob Timmons

Yes the Airport Utility/Extreme prompted me during set up, and I confirm I now have the 7.9.1 Firmware installed

IMAGES

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  1. How To Fix Internet Not Working Due To Self-Assigned IP ...

    1 Shares 1 If your Mac is connected to a working Wi-Fi network but the Internet is still not working, then we have got the solution for you. A lot of times your Mac is issued a self-assigned IP, which causes the Internet to not work on the machine.

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    To fix the "self-assigned IP address" error on your Mac, renew DHCP lease, restart your network devices, rejoin your Wi-Fi, or check your network settings . Is your MacBook struggling to access the internet, though your Wi-Fi or Ethernet works fine? This can be due to the self-assigned IP address error on your Mac. Worry not!

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    System Preferences>Network, unlock the lock if need be, highlight the Interface you use to connect to Internet, click on the advanced button, click on the DNS tab, click on the little plus icon, then add these numbers... 8.8.8.8 8.8.4.4 1.1.1.1 9.9.9.9 Apply. View in context Similar questions

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    Several factors may cause this issue, such as: Bad cable connections. Not getting an IP from the router or modem. Failure of the DHCP server. Follow the steps below to address this problem. Please try the steps in this order. After trying each step, check to see if your problem is fixed.

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    Many things can cause the no internet connection issue, one of which is the self-assigned IP issue. If you are using Mac OS X 10.5 or later and facing this issue, try the following. Check your Network Preferences To start, go to the Apple menu > System preferences > Network.

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    Above is an example to get the real IP to use run the command below in the Terminal and look for en0,en1,en2,en3,en4 and check the one with an active status the IP address is the one you should use as a router address like I said above and increment the last set/number in the IP by 2 or 3 that's the IP you will assign to the Ethernet. normally ...

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    I have had a situation where I cannot access the internet and the network preferences list ethernet interface connected to DSL modem has self assigned IP address and cannot connect. It is set to connect via DHCP. I Googled this problem and the instruction was to remove a file called com.apple.alf.plist from /Library/Preferences and then reboot.

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