Airport Extreme Base Station Dual Band MC340LL/A will not create a Wi-Fi network.

It will allow access to the internet only through the ethernet but not Wi-Fi. I downloaded the airport utility to set up the device and the yellow light keeps blinking. I use an ethernet DSL modem. This is the first Apple product i have bought and i got it off of Ebay as refurbished. Hopefully i don't have to return it because the router is the problem I don't know much else. Thx

FYI, i have reset the router many times with no new results.

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Airport Extreme Base Station Dual Band

I just bought this base station to replace my old router. I downloaded and installed the airport utility on my vista laptop and ran the software and everything set up fine except a double NAT error which I ignored.
My laptop connects wirelessy just fine to the airport but no other devices can connect. I am using WPA and also tried without any security and no dice.
I am trying to connect 2 iphone 4s, xbox360, ps3, wii and none of them can connect. I have DHCP turned on and connection sharing set to share a single ip address.
The three game systems tell me that they cannot obtain an ip address and the iphone just say unable to cconnect. I have tried the WPA password I created and the HEX equivalent and no luck. I have also tried MAC filtering and added the MAC addresses of the devices and still no luck.
I am sure there a simple solution or sime box that is not clicked but I can not seem to find out what the problem is.
This is driving me crazy paying almost $200 for a router that gets nothing but great reviews and I cannot connect to it. Please help!

Bob: I am so happy to see you on this forum -- you recommended someone else come here for Airpor/Windows issues and so I did.
I have read all of your postings about setting up AX in client mode with my new Airport Extreme router. I did a factory reset on the AX, and the latest version of Airport Utility (OS= XP) can see it after the reset as well as the Extreme. I wrote down the network name and password type just like you recommended from the appropriate screen "Wireless" tab on the Extreme. But then when I login to the AX (right next to the router) the Extreme disappears from the Utility program side window. I put the appropriate info into the AX and it wrote to the unit and then said it would restart, just like you said it would.
BUT then it scans and can't find the AX only the Extreme. The Extreme is happily sitting there in the Utility side screen but no amount of scans will produce the AX. Which is also happily sitting there plugged in to the wall with its amber light flashing. I have done this over and again. I also checked to see if I had set up access control on the Extreme by mistake but it isn't turned on.
So I think I have ruled out interference, and I think since the AX works the first time before it disappears on the restart that the unit works. I have gone into the Windows firewall and added every possible relevant port including itunes in both the UDS and the N mode (those three letter acronymns). In any case the firewall is not alerting me to a block and it is set to tell me if it does block something.
I usually visit the genius bar but i can't really take in the Extreme as it wouldn't be connected to the DSL at my home. Plus I kind of like reading the forums as I learn so much.
And even if you don't answer this I want to say how much I appreciate your conscientious posts. If you set up as a consultant let me know.

Airport Extreme Base Station Dual Band has WiFi problems.

I can only connect my Droid X to the wifi network of my Apple Airport Extreme? I have an Ipad and another computer with a wifi dongle but none of them will connect. Only ethernet connected computers and my DroidX works. Any suggestions?

Hello garydicksonuk. Welcome to the Apple Discussions!
I have the Airport set up to "connect via ethernet" and "share a public ip address"? (I don't understand what this means, share public ip as not computer literate).
This would be the AirPort's default setting and what you will want 99.99% of the time. The "Share a public IP address" is referring to the fact that your AirPort provides a service that allow multiple clients on the local network to be able to access the Internet at the same time. This service is known as Network Address Translation or just NAT. Without NAT, only one computer could access the Internet and would be exactly what you would find if you connected the computer directly to the modem instead of the AirPort.
Anyway, all is working OK with the internet and wireless etc, playstation 3 connects to the PS network with an open NAT which is what I wanted, but I am worried I have no firewall or security?
Your AirPort's NAT service is one form of protection. The other is to enable wireless encryption (WEP, WPA, or WPA2) to prevent "uninvited guests" from accessing your wireless network ... and Internet connection.
Should the Airport extreme not be set to "distribute a range of ip addresses", it seems to be doing this anyways, who is giving out the ip addresses then?
No, you don't want to change the setting to "Distribute a range of IP addresses." This is intended for those unique situations where your ISP is providing you with one or more static IP addresses. This is typical with businesses, not consumers. In addition to NAT, your AirPort also provides another service: DHCP. This is how it provides IP addresses to clients on the local network.

AirPort Extreme Base Station (Dual Band) vs Apple TV

I recently "Upgraded" my WiFi network from the original single band AEBS (802.11n) to the new Dual Band model. Since doing so, my TV cannot connect to the wireless network. The TV can "See" the network, asks for a password, but shows "Failed to connect" error message. I have tried changing the radio channels (using the "option" key and running through all possibilities). I have turned off "Security" and tried to connect as an "Open" network. It will not connect. iTune does not "see" the TV nor does WiFi utility AirRadar. I wonder if the 802.11n card in the TV is toast? Anyone have any ideas?

As suggested, I reset the AEBS to factory defaults. On the TV, I went to >Settings>General>Network>Configure Wireless>Wireless Networks. I could then see the generic "Apple Network xxxxx" on the TV. From my MacBookPro, I verified that I could connect to the TV by launching iTunes and noting that the TV was now visible in the "Devices" menu. Went back to the AEBS and ran through the "Setup" routine. I did NOT use the "Previous Settings" but instead, saved the old settings profile, created a new wireless network and new settings profile and enabled WPA2 Personal encryption. I then went back to the TV and went through the "Settings" routine again (as noted above). This time, after entering my WPA2 password, the TV connected to the network and problem was solved. Thanks.
Message was edited by: Mac MD

I have an Apple AirPort Extreme Base Station (Simultanious Dual_Band) (MC340LL/A), and updated the software. After updating no devices can connect via wifi. Any suggestions.

I have an Appl,e AirPort Extreme Base Station (Simultaneous Dual_Band( MC340LL/A. After updating the software, no devices can connect via wifi.

As suggested in another discussion area, (AirPort), I reset the AEBS to factory defaults. On the TV, I went to >Settings>General>Network>Configure Wireless>Wireless Networks. I could then see the generic "Apple Network xxxxx" on the TV. From my MacBookPro, I verified that I could connect to the TV by launching iTunes and noting that the TV was now visible in the "Devices" menu. Went back to the AEBS and ran through the "Setup" routine. I did NOT use the "Previous Settings" but instead, saved the old settings profile, created a new wireless network and new settings profile and enabled WPA2 Personal encryption. I then went back to the TV and went through the "Settings" routine again (as noted above). This time, after entering my WPA2 password, the TV connected to the network and problem was solved. Thanks.

Time capsule to extend airport extreme base station

I have an airport extreme base station dual band that I use to create a wireless network. I use a first generation time capsule single band to extend the wireless network. In the area of my home where the time capsule is my ipad and macbook the signal strength of the wifi is great and works great however my iphone 4 works horribly on wifi in the same room where the time capsule is located. Why is this? And is there a better configuration that would work better?

The AirPorts are all designed to try to extend the 5 GHz signal because that is the fastest connection. But, because 5 GHz signals are not as strong as 2.4 GHz signals, it's usually the 2.4 GHz network actually that winds up being extended because it's the stronger signal of the two bands and the extending device is usually located at some distance from the main router.
If your Time Capsule is extending the 5 GHz band, that's impressive. The AirPort Express would also probably extend the 5 GHz band if you placed it in the same area. Unfortunately, the iPhone cannot connect to that signal and must get it's connection from the main router. If you set things up so that the Time Capsule extends 2.4 GHz, then the iPad and your Mac will be running at significantly lower speeds.
It can be done by assigning a different name to the 5 GHz network and I can give you the steps. Is that what you want to do?
If you reversed the Time Capsule and AirPort Extreme, you'll have to set the Time Capsule up at 2.4 GHz and the AirPort Extreme will only extend 2.4 GHz. It cannot extend both 2.4 GHz and 5 GHz since it won't "see" that signal from the Time Capsule. No reason to do this really.

AirPort Extreme Base Station and Windows Vista and Windows 7

I currently have a Belkin N+ Wireless Router and Belkin N+ USB Adapter Part # F5D8055. If I purchase the Airport Extreme Base Station dual band and replace my current router, will my current usb adapters connect and work with the apple extreme?

Yes.

Magic Packets with AirPort Extreme base station

Ok, so I would like to be able to wake my iMac with magic packets over the internet. It is connected to the internet via an AirPort Extreme base station, and I know that it won't work over wireless networks, but the iMac is connected and gets internet via ethernet from the AirPort. Is there any way I can set up port forwarding or something like that to wake my iMac remotely?

...should I have AirPort on my iMac turned off or on...
Since you are connected via Ethernet you would turn AirPort off.
Does the connection automatically default to Ethernet, even if AirPort is set "on," because presumably Ethernet is faster.
No. It gives priority based on how they are ordered in the list of network connections.

Does firmware update 7.1 break the Airport Extreme Base Station?

Does firmware update 7.1 break the Airport Extreme Base Station?
See Digg
http://www.jayhaynes.net/2007/04/donot_install.html
April 10, 2007
Do NOT install AirPort 802.11n Firmware 7.1
This Firmware 7.1 update for AirPort Extreme Base Station with 802.11n should definitely NOT be installed.
Here was my problem:
I used AirPort Utility 5.1 to install the update. It is automatic - launch the utility and it asks if you want to install the update. I said yes because I had problems getting two AirPort n base stations networking together to extend my range (I gave up finally and just used an AirPort Express to extend the range).
After the firmware update, some sites would not load at all (www.nytimes.com) and others took forever to load. And worse, I could not send any email from any of my IMAP accounts. It seemed to be a DNS problem.
I have two 802.11n AirPorts, so I finally went back to the other one (7.0) and everything worked fine. The Apple tech support guy offered to replace my broken (7.1) AirPort.
Foolishly, I wanted to make sure the problem was actually with the 7.1 update and not the AirPort itself. So I updated my second 802.11n base station with 7.1. And it casued the exact same problem (some sites not loading, no outgoing email).
The Apple tech (at this point I was speaking with a wireless specialist) put me on hold to test a few of his AirPorts to see if he could revert back to firmware 7.0 or (ii) install a clean version of 7.1 (in case the version on my drive was corrupted).
Unfotunately neither option was possible, which is a design flaw in AirPort Utility.
Apple is sending me two new AirPorts in 1-2 days, which is great service, but I will not be installing firmware update 7.1 again. Fool me once...
http://www.apple.com/support/downloads/airportextremebasestationwith80211nfirmwa re71.html
AirPort Extreme Base Station

Turns out that the firmware 7.1 does not render the AEBS useless.
My problem was resolved when I turned off my DSL modem, the AEBS and the computer. Then restarted in same order going to the next one after the first is compeletly up and running. I had no problems whatsoever after that.
Seems that the firmware update makes the IPs 'stick' somehow. I would think that even a reset of AEBS might have done it but I never got to that stage.
All my computers came alive in no time.
I suggest Smith tries this. Simply reset the whole network. Ah yes, my cable modem has an internal battery, I needed to disconnect this too. Only then did the modem go into the 'acquiring' or 'distribution' mode.

Printing wirelessly to MacBook Pro with Airport Extreme Base Station

I have an Airport Extreme Base Station that I used to use wirelessly until I got Verizon Fios. The Fios technicians said the base station couldn't be used and so it's been sitting unused for a few months. However, I really, really miss printing wirelessly, and was wondering if it was possible to use the Airport Extreme Base Station ONLY to print wirelessly, and not connect it any way to my internet (I don't want to mess with any of the fios stuff at all).
If it's not possible, is there any other way to print wirelessly without purchasing another product or special printer. I have a HP c4480 printer.
Thanks!

If your printer has a USB cable the easy way to go about this in my opinion is to plug that USB cable into your Extreme base station. I have the Extreme ABS that looks like a flying saucer. I plug the usb cable into the port that has the symbol that doe NOT look like this <--> rather it looks like a Saguaro cactus.
My computer then sends print documents to the Extreme via WiFi and then Extreme sends them to the printer via the USB cable.
If your Airport status is not showing in the Mac's menubar go to system Prefs/Network/Airport and check a little box so it will show up in the menu bar.
Now if your Extreme is plugged in the wall and powered up your Mac should be able to find it. Click on that menubar item for Airport and scroll down and select your Airport Extreme. I don't know for sure what its name will be. It should still be the same as it used to be when you used it last.
Now try printing a simple document. In the print dialog window you should be able to select what printer you want to use. If your new Extreme printer is listed select it. You may need to click on Print & Fax and figure out how to select it from there, and choose it to be the new default printer.
I think this info will do the job. Whenever you want to print you have to go to the Airport icon in the menubar and change your airport connection from your Verizon stuff to your Extreme. Then of course you have to change back when you are done. That is why it would be great to toss the Verizon WiFi radio out the window and just plug your Verizon modem into your Extreme WiFi radio transceiver (router). But I understand you cannot deal with that at this time.
If this does not do the job, if I have missed something, I will bet you 5 bucks that you can still figure it out if you just look at any error messages and/or look at the Print&Fax prefs and the Print dialog windows etc. and see what I may have missed. Maybe you have to go to SystemPrefs/Sharing and allow your printer to be shared. I don't think so. The way I figure any of this stuff out is to just look at stuff and think and try things and see what happens.
Your Verizon setup should be something like this.... a cable comes into your house and goes to a 'modem'. From there and ethernet cable (CAT-5 cable) goes from that modem to your Verizon router (WiFi radio transceiver).
As for getting rid of the Verizon router, when you are ready to give it a go, simply unplug the ethernet cable (it has a plug on the end that looks like the kind of plug that telephones use to plug into the wall, except it is a bit wider, but still has that same kind of snap-lock tab) that comes from the Verizon modem (the modem has the heavy round cable and probably many blinking lights) and plug it into the Extreme. Mine has an icon on the Extreme that is many dots in a circular pattern.
At this point you may have to unplug the Verizon modem form the wall AC power and the Extreme also. Then plug them back in, wait a minute, go to your Airport icon on your Mac menubar, Select Extreme and start surfing the web.
It really is that simple with a Mac. Maybe Verizon has found a way to make things difficult but my guess is no. Any password should be taken care of in your Airport Setup Utility program. It should be the same password(s) as you used before when you used your Extreme.

Lion 10.8 e Airport Extreme Base Station

Installata Lion versione 10.8 e non riesco più a configurare il mio Airport Extreme Base Station. La versione istallata di Utility Aiport 6.1 non funziona con questa base e mi dice di istallare la versione 5.6. La 5.6 però non è compatibile con 10.8 infatti non si installa. Che fare?

FWIW, I currently have Ubuntu 10.4 running as a VM machine on my MacBook and it doesn't have any issues connecting to either of my 802.11n AirPort Extreme Base Stations (AEBSn). However, I should note that the VM considers my network connection is via Ethernet and may not be relevant here.
Can your Ubuntu box connect to any other Wi-Fi or just not to the AEBSn? How do you currently have your AEBSn configured? That is what radio mode and wireless encryption type is it set for? What is the make/model of the Ubuntu device's wireless?

Please help me connect eMac, cable modem, and Airport Extreme Base Station

I connected Ethernet cord from cable modem to Airport Extreme Base Station and then another Ethernet cord from Airport Extreme Base Station to eMac, but I could not get internet access on my eMac that way. I'm only getting internet access by directly connecting eMac to cable modem. Can someone please help me with a step by step explanation of how to set these 3 machines up so that I can have internet access on both my eMac and, wirelessly, on my new MacBook. Thank you very much in advance.
eMac & MacBook Mac OS X (10.3)
eMac & MacBook Mac OS X (10.3)
eMac & MacBook Mac OS X (10.3)

jenngee, Welcome to the discussion area!
Ensure that you power off the cable modem for a minute or so when you switch it to another Ethernet device.
Ensure that you are connecting the WAN port of the AirPort Extreme base station (AEBS) to the cable modem. The eMac should connect to the LAN port.
The steps for setting this up can be found in the "Designing AirPort Networks" (direct PDF link) document. Look through that document and try to get it setup. Then return here if you have more questions. Don't forget to post what you tried and the issues you encountered.

Apple TV vs Apple AirPort Extreme Base Station (Simultaneous Dual-Band)

I have an original 40 GB TV that connects to my new ( (latest model)) Apple AirPort Extreme Base Station (Simultaneous Dual-Band) (MC340LL/A). Since upgrading to this new AEBS, my TV will not connect via its internal Airport card. The TV will "see" my "Home-LAN" but always gives the error message, "Connection Failed".
I have tried to Reset and Restore the TV, even the "Restore to Factory Defaults"! I have changed the security settings on my AEBS from an Open Network (no security) to WPA/WPA Personal, WPA Personal. I have changed the "Radio Mode" from "802.11a/n - 802.11b/g" to "802.11a - 802.11b/g". The TV will not connect! I now have it connected to my "Home_LAN" via Ethernet, and it works fine.
Anyone with a similar problem and a suggestion or solution? Do you think the internal Airport Card is the problem? Thanks

As suggested in another discussion area, (AirPort), I reset the AEBS to factory defaults. On the TV, I went to >Settings>General>Network>Configure Wireless>Wireless Networks. I could then see the generic "Apple Network xxxxx" on the TV. From my MacBookPro, I verified that I could connect to the TV by launching iTunes and noting that the TV was now visible in the "Devices" menu. Went back to the AEBS and ran through the "Setup" routine. I did NOT use the "Previous Settings" but instead, saved the old settings profile, created a new wireless network and new settings profile and enabled WPA2 Personal encryption. I then went back to the TV and went through the "Settings" routine again (as noted above). This time, after entering my WPA2 password, the TV connected to the network and problem was solved. Thanks.

Why does the new Dual-Band AirPort Extreme Base Station act as a proxy?

The previous thread
http://discussions.apple.com/thread.jspa?threadID=1531675
has been archived and nothing came of it, but after testing, I'm certain that their findings are true.
The Dual-Band AirPort Extreme Base Station (AEBS) with firmware 7.4.1 acts as a proxy for TCP ports 21, 554, and 7070 when NAT is turned on. This can be verified by using Nmap on any external server known to NOT have the ports open and having Nmap return that the ports are open. You can telnet to these ports to verify that they're "open," even though they are not on the server.
This functionality appears to be undocumented and as far as I can tell, the only way to turn it off is to put the AEBS into bridge mode and having some other device do NAT further upstream.
As a computer professional, this functionality extremely undesirable, particularly since it is not documented and doesn't have an "off switch." I wasted a bunch of time with one of my network engineers because of this, thinking that some network router was spoofing our server. I also wasted a bunch of my time trying to detect whatever "stealthy rootkit" had opened a FTP server and some other botnet related ports on our server, when in reality, it was simply my AEBS tricking me.
Disabling NAT-PMP ("Enable NAT port mapping protocol") does not affect this.
Is it too much to ask to have a checkbox in the "Advanced" section of the AirPort Utility to turn this feature off?

Welcome to the discussions forum Michael Bennett2.
Thanks for investigating this odd behavior.
If you want your work to be noticed by those who can effect change, you'll have to tell Apple via their feedback link. It won't do any good to post it here.
http://www.apple.com/feedback/

AirPort Extreme Base Station (New one) Dual band problem

Hey, I just got an AirPort Extreme Base Station, simultaneous dual-band today.
Anyone else having some problems with the 5GHz network? Seems my Transmit rate is very unstable. It changes between 7-54. It's 802.11n (5GHz) profile setting.
My 2.4GHz is staying at 54 (Since I set it for b/g).
As well, my MacBook Pro keeps connecting every time i update the airport base station, to the 2.4GHz one.

Welcome to the discussions, dwig365!
With a good connection, the Transmit Rate at 5 GHz should be in the 200-270 range. One of the perplexing issues with 5 GHz is that the much higher frequencies used in this band are absorbed by walls, ceilings and any obstructions much more quickly that 2.4 GHz signals. In other words, there is much less "power" with 5 GHz signals.
I've found that unless I almost have line-of-sight between the router and my laptop a few rooms away, the 2.4 GHz signal is stronger and more stable...hence faster. Taking it another step further, although it is not as "fast" as "n", "g" level signals penetrate and saturate much more effectively. It's a question of trade offs as in return for speed, you must give up penetration power.
It is not likely that you are encountering interference in the 5 GHz band, but it might help to experiment with some different channel settings. Make sure "use wide channels" is enabled under the options button on the Wireless page in AirPort Utility as well.

Airport Extreme Base Station Dual Band MC340LL/A will not create a Wi-Fi network.

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