Ruth Haines
Many people opt to use multiple Airport Extremes to improve their WiFi coverage, especially across large homes or separate dwellings. It is possible to connect two Airport Extreme base stations by Ethernet, and then reconfigure both for a roaming type network, which will provide better overall bandwidth for your wireless network. However, it is important to configure the second Airport to create a wireless network with the same name and password as the first, but with a different channel to avoid bandwidth issues.
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What You'll Learn
Using multiple Airport Extremes to improve WiFi coverage
Using multiple Airport Extremes can improve WiFi coverage, especially in larger homes or offices. However, it is important to note that adding more Airport Extremes may increase wireless coverage, but it can also lead to a loss of network speed.
To improve WiFi coverage, you can set up multiple Airport Extremes to create a larger WiFi network. This can be done by connecting the additional Airport Extremes to the main router or modem using Ethernet cables. It is recommended to use CAT 5 ethernet cables to interconnect the base stations and reduce interference between them.
When setting up multiple Airport Extremes, it is important to configure them to create a single wireless network with the same network name and password. This allows your devices to seamlessly connect to the network through different access points without any disruption.
Additionally, for Airport Extremes using the same channel, it is necessary to separate their bandwidth to prevent interference and maintain optimal speeds. For example, if you have a 100 Mbit/s bandwidth, each Airport Extreme on the same channel will be limited to using only 50 Mbit/s. Therefore, it is recommended to use separate but non-overlapping channels for each Airport Extreme to avoid any degradation in performance.
In terms of placement, it is ideal to have line-of-sight access between the base stations and your devices. In a multi-storey home, placing the base stations on different floors can help spread out coverage. This ensures that the WiFi signal reaches all areas of your home or office effectively.
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Connecting Airport Extremes via Ethernet
If you are looking to connect multiple Airport Extremes via Ethernet, there are a few things to consider. Firstly, it is important to have enough ethernet connections to link all the desired Airport Extremes. It is also recommended to use ethernet cables to connect the base station to the additional Airport Extremes, as this typically provides faster and more reliable connections than wireless alternatives.
When connecting two Airport Extremes via Ethernet, you can use an Ethernet cable to connect the two devices. Connect one end of the cable to one of the router ports on the first Airport Extreme and the other end to the WAN port on the second Airport Extreme. You can then configure the second Airport Extreme to create a wireless network with the same name and password as the first one, but on a different channel to avoid interference and maintain optimal bandwidth.
For instance, if the first Airport Extreme is set to channel 5, you can set the second one to channel 9. Additionally, make sure that the Airport Express is configured not to perform NAT or assign IP addresses, and instead, assign it an IP address within the same subnet as the Airport Extreme to prevent any conflicts.
You can also connect an Airport Express via Ethernet to extend the wireless network of an Airport Extreme. In this case, you should avoid using the "extend wireless network" feature. Instead, configure the Airport Express to create its own network with the same SSID, ensuring that the channels are 5 apart (e.g., 1, 6, and 11 for 2.4GHz) and that they use the same security and password.
By following these steps, you can successfully connect multiple Airport Extremes via Ethernet, extending your wireless network coverage while maintaining performance and avoiding potential issues.
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Configuring Airport Extremes to create a roaming network
To configure Airport Extremes to create a roaming network, you can follow these steps:
- Connect the primary Airport Extreme to a modem: This can be done using an Ethernet cable, connecting the modem to one of the router ports on the primary Airport Extreme.
- Set up the primary Airport Extreme: Configure the primary Airport Extreme to create a wireless network. In the Network tab, set it to "Off - Bridge Mode" to avoid double NAT issues. This will allow the primary Airport Extreme to act as the main router and provide DHCP services.
- Connect the secondary Airport Extreme: Use an Ethernet cable to connect the secondary Airport Extreme to the primary Airport Extreme. Connect the Ethernet cable to one of the remaining router ports on the primary Airport Extreme and to the WAN port on the secondary Airport Extreme.
- Configure the secondary Airport Extreme: Set the secondary Airport Extreme to "Extend a wireless network" in the Network tab. This will allow it to act as a range extender for the primary Airport Extreme's wireless network. Ensure that the secondary Airport Extreme is set to bridge mode as well.
- Choose separate channels for each Airport Extreme: For the 2.4GHz and 5GHz connections, select different channels for each Airport Extreme. This will prevent bandwidth sharing and potential interference issues. For example, set the primary Airport Extreme to Channel 5 and the secondary Airport Extreme to Channel 9.
- Use the same network name and password: Ensure that both Airport Extremes have the same network name (SSID) and password. This will allow devices to automatically connect to the strongest signal as they roam between coverage areas.
- Consider additional configuration options: Depending on your specific needs, you may need to explore more advanced configurations. This could include using tools like Wifi Explorer to measure your network conditions in real time or incorporating a network switch if you require more LAN ports.
By following these steps, you can create a roaming network with multiple Airport Extremes, providing seamless wireless coverage across a larger area.
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Using different channels for each Airport Extreme
When using multiple Airport Extremes, it is important to consider the channels that each device will operate on. Using different channels for each Airport Extreme can help optimise bandwidth and reduce interference.
In the 2.4GHz band, choosing separate non-overlapping channels for each Airport Extreme is essential to avoid bandwidth issues and interference. For example, if two Airport Extremes use the same channel, they will have to share the bandwidth. As a result, the available bandwidth for each device will be reduced. In some cases, using overlapping channels in the 2.4GHz band can lead to significant performance degradation.
For the 5GHz band, the channels do not overlap, so choosing any two different channels will be sufficient. However, it is worth noting that there are only two available "channels" with 80MHz total bandwidth without using DFS channels, and Apple routers cannot manually set DFS channels. This means that even if you select different channels within the 80MHz range, they will still effectively use the same channel for data transmission.
To configure multiple Airport Extremes with different channels, you can connect them via Ethernet cables and set them up with the same network name and password. For the 2.4GHz band, choose channels that are separated by at least three empty channels to minimise interference. For example, you can set the first Airport Extreme to channel 5 and the second one to channel 9. For the 5GHz band, you can manually select a channel for one Airport Extreme and set the other to automatically choose a different channel.
Additionally, you can use tools like NetSpot or a WiFi Analyzer app to check the coverage and saturation of different channels in your area, helping you make informed decisions when selecting channels for your Airport Extremes.
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The impact of switches on Airport Extreme performance
The AirPort Extreme is a line of residential gateways by Apple Inc. that combines the functions of a router, network switch, wireless access point, and NAS, along with other functions. The latest model, the 6th generation, supports 802.11ac networking and older standards.
Secondly, the AirPort Extreme's performance as a network switch can be impacted by the number of devices connected to it. While it can handle multiple devices, connecting too many devices may slow down the network performance for all connected devices.
Additionally, the AirPort Extreme's performance can be influenced by the specific model and its technical specifications. For example, the 6th generation AirPort Extreme offers three-stream 802.11ac Wi-Fi technology with a maximum data rate of 1.3 Gbit/s, which is significantly faster than the previous 802.11n standard.
Furthermore, the use of Ethernet cables to connect multiple AirPort Extremes can impact performance. In some cases, it may be necessary to configure the second AirPort Extreme to use a different channel than the first one to avoid bandwidth sharing and potential performance degradation.
Lastly, the performance of USB hard drives attached to an AirPort Extreme is slower than if connected directly to a computer due to processor speed differences. This is important to consider when using the AirPort Extreme as a network-attached storage (NAS) device. Overall, the AirPort Extreme's performance as a network switch is dependent on various factors, including the number of connected devices, the specific model, network configuration, and the types of devices connected to it.
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Frequently asked questions
Connecting two or more Airport Extreme base stations by Ethernet and then reconfiguring them for a roaming type network will provide better overall bandwidth for your wireless network.
You can connect multiple Airport Extremes by Ethernet cable. The first Airport Extreme is connected directly to the modem and set to emit 2.4GHz and a 5GHz connection. An Ethernet cable is then run from the first to the second Airport Extreme.
You can set up the channels manually or use the Automatic setting and let the Airport scan and select the best channel to use. If setting up manually, choose two separate channels for each Airport router, otherwise, they will have to share its bandwidth.
Yes, you can connect your cameras to either Airport Extreme by Ethernet or continue to use a wireless connection. A wired connection between the cameras and the Mac will provide the best bandwidth possible and unload your wireless network.
Yes, you can use multiple Airport Extremes in different dwellings by connecting them to the wired network. However, make sure that each Airport Extreme is set up with the same SSID and password to allow devices to "roam" and connect to the Airport with the best signal.
