
Many people have asked whether it is possible to connect two Airport Extremes together to extend their Wi-Fi network range. Some users have experienced issues with connecting two Airport Extremes together, such as dropped connections and wrong password errors. However, others have successfully connected two Airport Extremes by using an Ethernet cable and setting up both devices with the same network name, security settings, and password.
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What You'll Learn

Using an Ethernet cable to connect two Airport Extremes
Yes, it is possible to connect two Airport Extremes using an Ethernet cable. Here is a step-by-step guide on how to do it:
Firstly, ensure that both Airport Extremes are the newer "n" version. This is important because the second Airport Extreme needs to be configured to extend the wireless range of the first, and this feature is only available on the newer models.
Next, connect the two devices using an Ethernet cable. This cable should be plugged into one of the Ethernet ports on the first Airport Extreme, and then into the WAN port on the second Airport Extreme. It is recommended to use a CAT5e or CAT6 cable to ensure compatibility and optimal performance.
Now, you will need to configure the second Airport Extreme. Start by giving it the same network name and password as the first Airport Extreme. This ensures that your devices can seamlessly connect to either network without needing to switch between different networks.
For the next step, you will need to separate the two networks by assigning them different channels. For example, you could set the first Airport Extreme to channel 5 and the second to channel 9. This configuration avoids having two physical paths between the access points, which can cause issues with packet routing.
Finally, disable DHCP on the second Airport Extreme. This step is crucial to ensure the proper functioning of the network.
By following these steps, you should be able to successfully connect and configure two Airport Extremes using an Ethernet cable, providing an extended wireless network for your devices.
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Setting up the second Airport Extreme
- Initial Setup: Begin by unboxing your second Airport Extreme and plugging it into a power source. Unlike older models, the latest Airport Extremes do not have an on/off switch; they power on automatically when plugged in.
- Connect to Modem: To connect your second Airport Extreme to the internet, use an Ethernet cable. Plug one end of the cable into your DSL or cable modem, and the other end into the Internet WAN port on the second Airport Extreme. This port has a small 'O' symbol above it.
- Airport Utility Configuration: Open the Airport Utility on your device. You will be guided through a setup process. If prompted, update the firmware and wait for the Airport Utility window to appear.
- Network Name and Mode Selection: You will be asked to name your wireless network. Choose a name that helps you identify this particular Airport Extreme, especially if you have multiple base stations on your network. Additionally, select the appropriate mode for your setup. If your second Airport Extreme is connected to a router or another network device, choose 'Bridge Mode'. If it is not connected to any other device, select 'Share a single IP address using DHCP and NAT'.
- IPv4 Configuration: Unless you have a specialised internet connection, select 'Using DHCP' from the Configure IPv4 menu.
- Password Protection: Decide whether you want to secure your wireless network with a password. If you do, select WPA2 Personal and set a password. This ensures that users must authenticate before connecting to your network and accessing the internet. Alternatively, you can leave your network open by selecting 'No security', allowing anyone within range to connect without a password.
- USB Hard Drive Access: If you plan on connecting a USB hard drive to the second Airport Extreme, you can choose to use a different password for the drive. This allows other users on your network to access the hard drive without having access to the Airport Extreme settings.
- Finalise Setup: Follow the remaining prompts in the Airport Utility to finalise the setup. Once completed, your new Airport Extreme wireless network will be available.
By following these steps, you should be able to successfully set up your second Airport Extreme, creating a wireless network that is connected to the internet and functions as designed.
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Using the same SSID and security settings
To connect two Airport Extremes together, you need to ensure that they have the same SSID and security settings. This can be achieved by following the steps outlined below:
Firstly, connect your main Airport Extreme to your modem using the WAN port. Then, use one of the Ethernet ports on the main Airport Extreme to connect to the WAN port of the second Airport Extreme with a CAT5e or CAT6 cable. This will create a wireless network with the same SSID and security settings on both devices. Ensure that the "Extend a Wireless Network" option is selected on both devices, which will allow them to work in tandem to provide a stronger signal throughout your house.
It is important to note that you should not connect the second Airport Extreme to your modem directly. Instead, it should be connected to the first Airport Extreme via Ethernet. This is because both devices will issue their own IP numbers, which could lead to the same IP number being issued to two devices, causing network issues. By connecting the second Airport Extreme to the first one, you avoid this potential problem.
Additionally, make sure that the passwords for both Airport Extremes are the same. This includes any guest networks and household networks you may have set up. This will ensure that your devices can connect to the AE with the best signal without any confusion or connection issues.
Finally, if you are experiencing any connection issues with Apple devices, perform a "Reset Network Settings" on your iOS devices before making any wholesale changes. This will help ensure that your devices can connect to the extended network without any conflicts.
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Troubleshooting connection issues
Basic Troubleshooting
First, let's cover some fundamental checks to ensure that your Airport Extremes are properly connected and configured.
- Check Power Connections: Verify that your routers are plugged into a power source and that the LED lights are blinking green. If the light is orange, there may be an issue with the modem.
- Verify WiFi Connection: Ensure that your WiFi connection is turned on, and check if your password is correct.
- Restart Devices: Power down the modem, Airport Extreme Base Station (AEBS), and any connected computers. After waiting at least 10-15 minutes, restart the devices in the following order: modem, AEBS, and computers.
- Direct Ethernet Connection: Try connecting your computer directly to the Airport Extreme with an Ethernet cable. If your computer can't connect to the internet through this direct connection, the issue may lie with your internet service provider or modem.
- Check Modem Compatibility: Certain cable modem models, such as some from Arris, may have compatibility issues with Airport Extremes. In these cases, you may need to configure your Airport Extreme in "Bridge Mode."
- Reset Airport Extreme: If you're experiencing network-related problems, perform a hard reset on your Airport Extreme. This will restore the device to its default factory settings. Locate the small reset button on the back of the Airport Extreme and hold it for about 5 seconds while the unit is plugged in. Release the button once the center status light starts blinking rapidly, then allow the device to reset and restart.
Advanced Troubleshooting
If the basic troubleshooting steps don't resolve the issue, you may need to explore more advanced solutions.
- Double NAT Issue: If your Airport Extreme is in a Double NAT situation, you may encounter connectivity problems. Check if your AirPort Utility provides messages like "Double NAT" or "Conflicting DHCP Range," along with a blinking amber status light. To resolve this, disable NAT on your router so that the IP address provided by your Internet Service Provider (ISP) is assigned to the AirPort Extreme.
- IP Address Issues: Ensure that your Airport Extreme has valid IP addresses. If it doesn't, you may need to reset your Airport Extreme to factory default settings and set it up again.
- Format Recognition: If your Apple TV or other devices encounter a "format unrecognized" error when trying to access content, there may be compatibility or network configuration issues. Try connecting the affected devices to another wireless network to see if they can play content successfully.
- Ethernet Cable Placement: When connecting two Airport Extremes, be mindful of Ethernet cable placement. Connect the first Airport Extreme to the WAN port, which is typically considered the "input" port. For the second Airport Extreme, use a LAN port, as all Ethernet ports behave as LAN ports in Bridge Mode.
- Network Extension: If you're extending your network wirelessly by connecting the second Airport Extreme to the first, you may experience a loss of network speed. To mitigate this, consider using Ethernet cables to connect the two Airport Extremes, creating a more robust and reliable connection.
Remember to be patient during the troubleshooting process, as resolving connection issues may require persistence and trying multiple solutions. If issues persist, don't hesitate to seek further assistance from Apple support or your Internet Service Provider.
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Using Airport Utility to extend an existing network
To extend an existing network using Airport Utility, you can add an additional base station to your existing Wi-Fi network. First, ensure that the power cord is connected to the Power port on the primary base station and plugged into a wall outlet.
Then, take an Ethernet cable and plug one end into the WAN port on the base station you are adding, and the other end into a LAN port on the primary base station. Using an Ethernet cable to connect the base stations is preferred over connecting wirelessly, as it provides better throughput.
If you would like to set up your network wirelessly, you can do so during the setup process. On your Mac, click the Wi-Fi icon in the menu bar, then choose the base station listed under "New AirPort Base Station". The setup assistant will automatically choose settings for extending your network, but you can also choose "Other Options" to manually set up your network.
To set up a wireless network, you can click on "Wireless" in Airport Utility, choose "Network Mode", and then "create a wireless network". You can then enter a different network name and password, but you should turn off DHCP/NAT by going to the Network tab and using "Bridge mode".
You can also set up two Airport Extremes to work together by creating a wireless network with the same SSID, security settings, and password. Plug the second Airport Extreme into the wall via ethernet, and set it up in bridge mode. This will allow devices to connect to the Airport Extreme with the best signal.
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Frequently asked questions
Yes, you can connect two airport extremes together using an Ethernet cable to create one larger network.
First, ensure that both airport extremes have the same network name and password. Then, connect them to your router via Ethernet.
You can set both airport extremes to "Create a wireless network" or "Extend a wireless network". You should also set them to Bridge mode.
You may experience dropped connections to Apple devices, which may be due to issues with iCloud Keychain conflicting with stored passwords. You may also experience a loss of network speed.
Yes, you can connect a TiVo device to your airport extremes. However, TiVo support has stated that it cannot be connected to a hub and must be connected directly to the router.

































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