Final Advice For Extending Network Needed

Bob Timmons has helped me greatly here and I hope this may be the last time I'll ask these questions! I purchased a new AEBS to connect to my cable modem. I believe that I was getting significant interference from the many 2.4GHz networks in my community resulting in some erratic wifi behavior and download speeds. I set the AEBS to broadcast differently named 2.4 and 5GHz networks. My imac, MB Pro laptop, ipad and AppleTV2 all connect to the 5. Only our iphones now use the 2.4. As expected the 5N network has a weaker signal but the apparent lack of interference has completely stabilized the wifi connection on those devices and my download speeds on my laptop are identical on wifi or connected directly to the cable modem. So that has been a major improvement.
However I'm thinking I might be able to improve the signal strength of the 5N network in the area that the devices are mostly used. The AEBS and cable modem are in a third floor bedroom while the devices are on the second floor. This doesn't affect the computers much but I get quite different download speeds on my ipad when I'm downstairs as opposed to when I'm upstairs near the AE. I'm not sure what the affect is on the Apple Tv, I don't know how you would measure download speeds on it, but I do see that the signal strength indicator has dropped a bar. So my thought is to use my Airport Express - the 1264 model - to wirelessly extend/boost the signal on the floor where all these devices are.
There is a spot in my dining room on the second floor that is just below the bedroom that the AE and modem are in that seems to get a pretty strong signal from both the 2.4 and 5 network. I used iStumbler to check this in several locations on that floor. So my thought is to place the AX there. From the advice I've been given and what I've read this is how I plan to configure everything and want to check if I have everything correct.
On the AEBS I would check allow this network to be extended. On the AX, wireless mode set to extend wireless network. I believe from that setting I'll be given a choice of networks or maybe have to manually enter the name of the one I want extended. I intend to extend the 5N network so I would use that specific name and the same password that is used on the AE. I believe I've read that there will be no option for channel selection as that would be controlled by the AE(?) I'm not certain what Radio mode would be, perhaps that is automatically set as well. Wireless security would be the same, I'm using WPA2 personal. I'm not sure what the connection sharing option would be with this setup, perhaps 0ff( bridge mode ).
Are there any other settings I need to be aware of? Also since the network name will be the same on the AX as the AE and channels I believe will be the same is there any way to know which base station a device is connected to? I know I could open up Airport Utility and check wireless clients on both to see this but it would be nice to be able to this from the menu bar of the computers. Perhaps the BSSID would tell me that. The reason I would want to know this is to be able to see whether my download speeds are maintained through the AX with this set up. If they were negatively impacted I might forgo the whole thing and just leave things as they are.

Suggest that you move the AirPort Express (AX) close to your AirPort Extreme for the configuration setup. Once you have it set up, you can move it to the desired location. It may take some experimentation to find the best location for the AX.
On the AEBS I would check allow this network to be extended. On the AX, wireless mode set to extend wireless network.
Yes, that is correct.
I believe from that setting I'll be given a choice of networks or maybe have to manually enter the name of the one I want extended. I intend to extend the 5N network so I would use that specific name and the same password that is used on the AE.
When you click on the Wireless Network name box, you should see the 5 GHz network and 2.4 GHz network displayed. Click the 5 GHz network to select it.
I believe I've read that there will be no option for channel selection as that would be controlled by the AE(?)
That's correct. The AX will use the same channel as the AEBS automatically, so you will not even see a setting for Channel on the AX setup.
I'm not certain what Radio mode would be, perhaps that is automatically set as well.
Yes, this is set Automatically to the same Radio Mode that the AEBS is using for the network that you are extending. You will not see a setting for this on the AX setup.
Wireless security would be the same, I'm using WPA2 personal.
Correct, same setting as the AEBS.
I'm not sure what the connection sharing option would be with this setup, perhaps 0ff( bridge mode ).
There will be no selection for Connection Sharing displayed on the AX setup. The AX is automatically configured in bridge mode when you select the "Extend" option.
The "extend" setup is quite simple in AirPort Utility. Here are the basic steps:
AirPort Utility - Manual Setup
Base Station tab to name your device, establish a device password and adjust Time Zone settings
Click the Wireless tab:
Wireless Mode = Extend a wireless network
Wireless Network Name = Name of your 5 GHz network
Check mark next to Allow wireless clients.
Security = Same as your AEBS
Password = Same as your AEBS
That's it.
is there any way to know which base station a device is connected to?
Yes. Open AirPort Utility and click on your AEBS. Look for the AirPort ID in the info to the right and jot it down. Do the same with the AX.
Move your laptop close to the AX. Hold down the option key on your Mac while you click on the fan shaped Airport icon at the top of the screen. Look for the BSSID. That should be the same as the AirPort ID of the AX. If you see the AirPort ID of the AEBS, then the computer is connecting to that device, not the AX. Check your setup again if that is the case.
Good luck!
Message was edited by: Bob Timmons

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