7.6.4 killing extended networks?

I've got a 5th gen Extreme serving as my router and dhcp server. Attached to it via ethernet I have a 3rd gen Extreme and a 2nd gen Express. All were running firmware 7.6.3. This config had been stable for a long time. I upgraded all of the units to 7.6.4 and that stability went away. It appears like the router would die - would not pass packets via wif and claimed it lost connection to the internet. I swapped the 5th and 3rd gen Extremes just to see if there was a unit problem. No luck. I downgraded the main Extreme - no luck. Once I downgraded all of the units the network regained its stability.
Anyone else seeing strangeness with 7.6.4 and extended networks?

I would like to chime in with my similar experience.
My dual-channel setup is Airport Extreme (4th gen) and Airport Express (2nd gen) (wired to the Extreme) in addition to an Airport Express (1st gen) wirelessly extending the 2.4 ghz SSID.
As soon as I upgraded all access points to 7.6.4 I started having intermittent dropouts and delays on what appeared to be all my devices (including iPads and iPhones). By trial and error I singled the culprit out to be the 2nd gen Airport Express. Digging deeper, I found that every time my laptop (with Intel 6300 AGN) was associated with that specific access point I got predictable ping timeouts for 5 seconds every 10-20 seconds ad nauseum. It would sometimes start out ok for a minute or so, then almost like clockwork it would start with the regular timeouts.
The solution turned out to be to downgrade to 7.6.3 for the 2nd gen only (I rinsed and repeated 4-5 times, making me pretty sure).
Other actions I tried (unsuccessfully) to resolve the issue:
Remove the 1st gen from the network
Move the access points around the house to rule out local interference issues
Downgrade the Extreme only, while keeping the 2nd gen at 7.6.4
Connect to the 2.4 ghz SSID (same result)
Admittedly, I did not bother trying to set the 2nd gen as the only ISP gateway/wireless device instead of having it wired to the Extreme. Mostly because of this: One of my co-workers brought a laptop with the same Intel wireless chipset home with him to perform the same tests on his Apple network. Same result - ping timeouts at similar intervals. He is out of luck though - his single Extreme-AC router has no previous firmware to downgrade to...
Now this might seem anecdotal, but it would appear that the newer devices Airport devices are susceptible to this specific issue while the older ones are home free. Anyone got any theory they can share as to what might be causing this? Any glaring oversight in my research?
Message was edited by: Vibbers - Correcting typo

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No, I am not the only person in the world seeing this behavior. I just listened to Leo Laporte's KFI Tech Guy podcast from the first week of December and a caller was describing the exact same issue:
http://leoville.tv/radio/ShowNotes/Show201#toc3
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OK,
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Whenever Itunes is open on any system on the network (In its default config), ALL devices lose network connectivity.
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HT4259 With extended network, which device do I connect to?

I set up my Time Capsule as my base station and extended the network using an Airport Express. My question is, when I am logged onto the base station, will my computer automatically select whichever signal is stronger, the time capsule or the airport express... OR do I need to manually select whichever one is stronger?
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THANKS!

will my computer automatically select whichever signal is stronger, the time capsule or the airport express...
Yes, that's the whole idea behind having an extended network.

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I have a Time Capsule where I have set up a wireless network access list…and extended the network using an Airport Express unit. The Airport Express unit also has settings for an Access Control list. Do these need to be the same as the those for the network from TC that it is extending…or does that happen automatically…and if not what on earth are they for?
Thanks for any help…this doesn't seem clear from what I've read/seen.
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I have a Time Capsule where I have set up a wireless network access list…and extended the network using an Airport Express unit. The Airport Express unit also has settings for an Access Control list. Do these need to be the same as the those for the network from TC that it is extending…or does that happen automatically…and if not what on earth are they for?
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Packet Loss When Extending Network?

Hi there, everyone.
I just purchased the Airport Extreme AC after upgrading to 802.11AC devices in the home. On its own, the Extreme AC performs flawlessly - consistent connections, max speed my ISP provides, no-lag, no studdering, no packet loss. I was dissapointed with the range of the device at the far ends of my home, so I set up my previous generation Airport Extreme to extend the network.
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Any help here would be great!
Setup:
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Don't be afraid to use techincal terminology to help me. I can follow and understand the majority of it, as I'm pretty into all of this.

I'm not aware of anything that has changed in the 802.11ac version of the AirPort base stations that would induce the packet loss that you are seeing with an extended network over using an earlier generation. I am assuming, of course, that you are extending another Apple wireless router ... correct?
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Is there a way to use an "Extended" network on an AT&T iPhone

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The options in manual setup for the AE don't offer make this an extended network, I suspect because they are too old?
Please take a look at the faint print on the side of both AirPort Express (AX) devices that you have to identify the Model No.
You will need # A 1264 to do what you want. If you have # A 1084 or similar, the devices that you have are not compatible with the "extend a wireless network" setup.
What are your findings?

Time Capsule & Airport Express Extended Network loses connection!

OK, so I am an Apple virgin of 2 months experience, after many many years with Windows based PCs, so please be patient and gentle with me. Sorry about the long explanation.....
My set-up comprises of a Time Capsule, which is connected to the Internet via a NetGear ASDL modem. Both pieces of equipment are situated in my wife's office on the first floor of our house. My office is on the ground floor, where I have a 27" iMac and an Airport Express which is connected to a printer via the USB port. The Airport Express is sited about 10 feet from the iMac.
All software and firmware are lastest versions - TC v7.5, AX v7.4.2 & Airport Utility v5.5.
For the past 2 months, I have only been using the AX to print wirelessly and the set-up has worked faultlessly.
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Airport express won't extend network via ethernet but shows GREEN (HELP!!)

I have the following routers setup up the same network and are working.
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10.0.1.4 Airport Express 1 (extending network and providing internet connection to Xbox2)
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The router seems to join the network fine and will show GREEN but doesn't show a similar IP address as the rest of the routers. It also doesn't provide any internet connection via ethernet to any computer, the network pref page says that it shows RED and that nothing is connected to the computer for internet but airport shows GREEN.
Reset the router multiple times, tried every which way of setting it up and no go. I also tried assigning it a IP and not using DHCP and gave it a 10.0.1.5 and still the same outcome.
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Sorry, the older version of the Express does not have the option to "extend a wireless network", which is the setting on the new Express that provides more wireless coverage and also enables the Ethernet port.
What you want to do can be done with a different setting..."participate in a WDS network" on both the Time Capsule and Express, but I am not recommending that you do this because WDS operates only in "g" wireless mode. Your Time Capsule would lose most of its performance in this setting and the network would slow down tremendously...defintely not what you want for gaming.
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Windows XP laptop can't connect to Airport Extreme used to extend network.

Have a time capsule for main wireless. PC works fine connecting to it. Have added Airport Extreme to extend network. The mac sees it fine and the PC can connect to it via airport utility but won't connect as wireless and the internet. Running WPA2. Have the latest firmware in each. Any help would be appreciated. Thanks

Thanks for clarifying. If you don't mind, let's double-check your extended-network setup configuration:
o Open AirPort Utility and select the Time Capsule (TC), and then, choose Manual Setup from the Base Station menu.
o Click AirPort in the toolbar, and then, click Wireless.
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o Next, select the 802.11n AirPort Extreme Base Station (AEBSn), and then, choose Manual Setup from the Base Station menu.
o Verify that “Extend a wireless network” has been selected from the Wireless Mode pop-up menu. Also verify that the correct Network Name is shown for the network you want the AEBSn to extend.
Do your settings match these?

Difference between new network and extended network

Difference between extended network and new network settings

An "extended" network acts as one large wireless network. Wireless devices can roam anywhere a signal is present and stay on the network without having to make any changes.
A "new" network will require that a wireless device manually "switch" to that network and enter the password for the network to connect whenever you want to use that network. In other words, a "new" network will use a different wireless network name and password, which will require that you manually log on to that network.
The exception would be if you created a "new" wireless network and used the same wireless network name, same wireless security settings and same password as the "main" network and connected the AirPort back to the main router using an Ethernet cable. In that case, you would have an "Ethernet extended wireless" network.

Extended network often goes to zero

Hi.
Surprisingly my extended network often goes to zero. I've a traditional wep encripted extended network using two airport extreme. When the network goes to zero I see the indicator on the upper right corner disappear anche the green light of the airport becomes flashing yellow. After 30 seconds the situation auto-fixes.
How can I solve the problem? I've just checked the main range, it works properly!.
Thanks in advance for your help.
Regards.

try putting the second router in bridge mode, use Airport Utility manual button to do that. Choose the internet tab/connection sharing/bride mode

Airport Express extending network needs to be restarted daily

I'm having a really annoying problem with my Airport network. Here's the configuration:
Den: Latest generation simultaneous Dual-Band Airport Extreme
Living Room: older 802.11g Airport Express used only for AirPlay
Office: older 802.11n Airport Express wired to the Airport Extreme via ethernet, extending network
Hallway: 802.11n Airport Express wirelessly joining and extending network
Bedroom: Latest generation simultaneous Dual-Band Airport Express wirelessly joining and extending network
I have an older house which is not terribly big but the radio-opaque walls make it difficult to propogate wireless, thus the need for so many units.
It all works pretty well except for my bedroom Airport Express (simultaneous Dual-Band). On a daily basis it will lose connection with the network or go so painfull slowly that it's pointless. The only solution is to do a reboot of the unit which works temporarily (good connection / good speeds) My son likes to watch Roku in our bedroom and that Roku uses the WiFi that the Airport Express should provide. Needless to say troubleshooting wifi when your 3 year old is crying because he can't get 30 seconds of streaming before the signal craps out is not fun. Anybody have any suggestions???

"Hard reset" the bedroom Extreme to preclude the possibility that some corrupted internal parameter is limiting its performance. Consider doing that with all of them. They will subsequently need to be reconfigured.
Configure the den Extreme to provide a unique name for its 5 GHz network, and ensure all the devices capable of using it are using it, and not 2.4 GHz. Find out what your Roku is capable of using.
The key to solving problems, if your challenging requirements are solvable, is to start with as simple an installation as possible, then progressively add to it. Find out the maximum usable range of your den's Extreme in both 2.4 and 5 GHz bands, then position any devices used to "wirelessly extend" its signal roughly half the distance to that Extreme - not a different base station. The ideal location for the Roku's Express may not necessarily be in the bedroom.
Run speed tests each time and make sure you are not trying to "extend" a weak signal. "Extending" a weak signal makes it stronger, but no faster that what it receives.
That's all you can do.
... I thought "N" networks minimized that problem.
You're right about that.
The thing is I get decent wireless reception in the bedroom WITHOUT the express plugged in.
I wonder if those devices are really using the Express you think they are. That's the problem with multiple base stations. There are ways of addressing this question but not with the current AirPort Utility version.

How can I add a security password to an Airport extended network?

I have an Airport Extreme network extended with an Airport Express and an older Airport Extreme. Everything works fine as is. I want to add a security password to the network but when I do, the two extending base stations appear in Airport Utility with an alert triangle next to them and when I select each of them, it asks if I want to "foget" that device. I do not want to forget those devices as they are extending the range of the network, I just want a password on the entire network for privacy. How do I accopliish this while still maintaining the extended network?

Conversely, set the security feature for each of the extending base stations first, then set the security for the main base sation. The extending base stations will go offline. Then back on once the main base station is configured with the same password as the two extenders.
(Found this on an older post about the same issue.)

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