Apple TV and Time Capsule 802.11n -- idle timeout and group key stuff...

I've been having some wireless issues since moving to a Time Capsule to provide my 802.11n service.
I have my time capsule setup as an 802.11n only router, on a 5 ghz band only, with WPA2 security (AES-CCMP.) My reception is great -- but I've noticed in the logs that there's an idle disconnect that seems to occur about every 10 minutes.
What seems to be happening is that when the idle disconnect occurs, the AppleTV renews its connection. The problem, at least 90% of the time, is that if the "group key timeout" value in the Airport Admin Utility has been passed AND the idle timeout occurs, the unit appears to be unable to connect to the network unless you reboot OR reenter the network password.
The Time Capsule is setup strictly from a networking standpoint as a wireless bridge -- I have an existing network DHCP server, and during the disconnects, a DHCP renewal is not occurring.
Another observation when this issue is occurring: on the "Network" settings page, instead of selecting wireless network, you can select TCP/IP, and select "DHCP" and the unit will state that it has successfully connected to the network, and states the network name. The Time Capsule though doesn't show an active client; I have to assume this is some sort of bug.
Since the unit works fine after a reboot, I have to assume something isn't quite right with the way it is attempting to reconnect to grab an update group key after an idle timeout occurs.
I'd like to test this further, but I can't find anyway in the Airport Admin Utility to change the idle timeout value. There's a place to enter the group key timeout, but not the idle timeout.
Has anyone else noticed this behavior and found a way around it?
Message was edited by: Matt Domenici
Message was edited by: Matt Domenici

Just one more follow-up post to say that I continue to have the same problem. (Just picked up my TC and aTV on Tuesday and didn't get a chance to do too much with it until this weekend.
I have the TC running in bridge mode to my FIOS Actiontec router. The Actiontec does DHCP for the home network (has to because of paculiarities with FIOS on MOCA with a cable TV set-top box) and runs an 802.11 g network for all my non-N hardware (iPhone, older computers, etc.). The TC runs 5 GHz N-only, and the aTV connects to that. I set things up this way because I wanted to keep the aTV and my N-capable computers on a dedicated wireless channel for speed.
Alas, I'm afraid I'm going to have to use the aTV on the G network, or perhaps ethernet, until this problem gets sorted out.

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    AirPort Time Capsule 802.11n (1st Generation) - Technical Specifications

  • MacBook Pro - 802.11n, WPA2-Personal and Time Capsules

    I recently moved to using 802.11n (5GHZ) mode on my Time Capsule using WPA2-Personal security. I am unable to connect to the wireless network which is extremely frustrating since this is all Apple hardware. I have no problem connecting to the 802.11n 5GZ network using one of my PCs.
    My MacBook Pro has the latest software updates available and does have 802.11n enabled.
    I have been looking for similar issues on the forum and have tried a few things that were suggested by others, but nothing works. I've reset the router. Reset the SMU. Haven't reset NVRAM yet.
    I have a mix of Apple and PC hardware that is connecting to this network. My 24" Intel iMac (Core 2 Duo) connects just fine.
    I'm hoping there is a GURU on this forum that can assist me.
    Thanks,
    J.d.

    I would try:
    1. Examine your system.log for the error you are getting, if you cannot authenticate with the router it will say why. Go to the Apple icon, select "About this Mac", select "more info" button in the center, select "Log" under Software on the left panel side, select "system.log" then scroll to the bottom, look for errors in the log related to "airport" or 802.11...
    2. Go to Finder/Utilities, pull up keychain access.app, click on System on the left, you should see an entry for your WIFI network, delete that entry, close Keychain access.
    3. Try removing, reboot then re-add your Aiport entry. Go to System Parameters, Network, highlight "Airport" click on the minus button and remove it. Reboot your computer. When it comes back up go back to System Parameters, Network, then click on the button and re-add the Airport, when it says Airport 2, over write that with just "Airport", then click on Advanced, click on button to add the Preferred Network back in, type the name of the SSID on your router, then select WPA2 Personal from the drop down menu type. You can also display the password to confirm it matches what you input in the router for the password for WPA2 Personal.
    Under TCP/IP, if you are getting a private IP address from the router via DHCP, then set IPv4 to DHCP. I would not use IPv6 for time being, set that to Off. Next click on your DNS and input your DNS if not automatically filled in by the router with DHCP, I always like to add a DNS not provided by the router that way if it fails or you go to Starbucks you will always have a DNS entry that works, I would input OpenDNS's entries, so those would be under IPv4:
    208.67.222.222 and other is
    208.67.220.220
    So to connect, your computer needs to have an IP address, either DHCP or manually input (like 192.168.1.xxx) etc.
    Next you need a DNS entry if not provided for by your router (should be if it is dishing out DHCP client addresses).
    WINS and Proxies are only used in corporate environments where they are using a windows domain and/or proxy servers as a gateway to the WAN.
    WPA2 Personal offers much better security than WPA or WEP shared, if you use a password make it at least 8 characters in length 10 is better. The longer you make it the higher the security, but it must match exactly what the password was set for WPA2 on the router.
    TO make sure you are not having signal/noise problems get as close to your router as you can to establish the connection once that is done you can move farther away.

  • Apple TV and Time Capsule Compatibility

    can i directly wire apple TV to time capsule to stream movies?

    A Time Capsule.. (TC) has no media ability whatsoever.
    And the ATV is purely a streamer.. it is not a media player.
    You can store your media files on the TC.. and you can plug the ATV into the TC.. and it is completely useless.. The TC has no way to stream video to the ATV.. and the ATV has no way to find files on the TC. Neither work in the way a proper NAS with media extensions work.. or the way a media player works. Everything must be handled by iTunes.
    So it is possible to store the movie on the TC.. pick it up on an ipad.. stream it back to the ATV via the TC. If this is what you mean. All smarts have to be in the software on the ipad to do it.. because the ATV and the TC have none.

  • Apple TV and Time Capsule

    I have the 160gig ATV, but I am not even close to finished copying my DVD library to my IMac and already have the 500gig full.
    I read that the Time Capsule can be used as a general network storage drive.
    My thoughts at this time is to put the Time Capsule on my home network and plug my IMac and the AT direct to it via wired Ethernet connection and only use the 1tb Time Capsule for media storage.
    At this time I am not storing anything on the ATV, I am streaming all the media from my IMac.
    1. Will the ATV be able to see the Time Capsule if I move all my movie files there?
    2. Will the library still need to be associated with my ITunes on the IMac?
    Thanks,

    Welcome to the  Discussion Forums.
    If the time capsule can indeed be used for general storage then yes you can use it for your itunes library. I'd been wondering whether the time capsule HD can be used for general storage as well, I'd been hoping it could but didn't really know.
    The library would still need to be associated with itunes and itunes would need to be open to stream from the time capsule.
    One more thing to consider is that network storage is much slower than local storage, it should be OK for streaming to the tv for viewing although some have had problems, but you certainly won't be able to load full length movies onto it in a minute or so as you would with a local drive. This may not actually be a concern to you though as adding content to your library is pretty much a background process anyway.

  • Airport Extreme and Time Capsule – A few questions

    Hey guys,
    I have a Belkin Modem/Router with a USB port for storage, but I just found out it only has 10/100 Ethernet, and can only mount 1 hard drive to that storage port. Other than that, it works fine and I am happy with it. Its stated wireless speed is 300mbps, and it supports 802.11n draft 2.0.
    I also just got a Mac, and was considering a Time Capsule for using Time Machine (Or, because am also considering a Drobo, just a straight Airport Extreme).
    So my questions are:
    1. Is there any point in keeping the Belkin to use as my modem if it’s got 10/100 Ethernet ports? Will that make the Time Capsule/APE (And hence the attached drives/devices) perform at the slower speed?
    2. I don’t know if I can just “turn off” the Belkins Router abilities anyway. Assuming I can’t, will having 2 routers on my network even be possible? (Mac’s software is infinitely more user friendly, and I’d want to use it for my network).
    3. Is there a limit to how many Hard Drives I can connect to an Airport Extreme/Time Capsule? (My Belkin can only share one, even via a USB Hub – it only sees the first drive.)
    4. For now, my storage drives are standard HDD’s from WD and Seagate, but I am considering a Drobo (Some form of RAID storage is happening in the next few months, for sure).
    In either case:
    a) Will Airport Extreme recognize my External Hard Drive as a Time Machine Backup Destination? (And as a Drive to store other media)
    b) Will Time Capsule recognize my external hard drive, in addition to itself (Since it’s also a Hard Drive?)
    5. This page: ((http://www.apple.com/airportextreme/features/harddrivesharing.html)  says: “You can set up password-protected accounts for everyone on the network or allow read-only access to certain files and folders.”
    Some folders, I don’t even want to allow read only access to. Can I require a password before they can be viewed, or modified/deleted? (If I go the time capsule rout, I would want to protect the drives attached to it, and probably not the HD on the capsule itself).
    6. Also, the rest of my computers are PC’s, and I was wondering if it’s possible (and safe) to set up time machine to backup to the time capsule for Mac, and allow the other PC’s to backup to it using their version of “Time Machine” too?
    I know this will leave less room for mac and PC backups, but it would free up room on my Drobo / HDD’s
    7. Can Time Machine backup wirelessly to other drives, such as http://shop.nextbyte.com.au/Script/MCH/Products/532195-NextByte-WDBACG0020HCHAES N-WD-My-Book-Live-2TB
    Thanks so much for your help.
    P.S. Can anyone recommend a good modem to use with the Airprort/Time Capsule?

    No help?

  • Airport Extreme and Time Capsule

    Hey guys, I actually posted a few days ago  (https://discussions.apple.com/message/19406166#19406166)  but got no love. I think I've worked out a few of them myself from other sources, but of otherwise, the following remain unanswered. (Just copied and pasted from the above post) If anyone can answer a few questions for me, that'd be great.
    I have a Belkin Modem/Router with a USB port for storage, but I just found out it only has 10/100 Ethernet, and can only mount 1 hard drive to that storage port. Other than that, it works fine and I am happy with it. Its stated wireless speed is 300mbps, and it supports 802.11n draft 2.0.
    I also just got a Mac, and was considering a Time Capsule for using Time Machine (Or, because am also considering a Drobo, just a straight Airport Extreme).
    So my questions are:
    2. I don’t know if I can just “turn off” the Belkins Router abilities anyway. Assuming I can’t, will having 2 routers on my network even be possible? (Mac’s software is infinitely more user friendly, and I’d want to use it for my network).
    4. For now, my storage drives are standard HDD’s from WD and Seagate, but I am considering a Drobo (Some form of RAID storage is happening in the next few months, for sure).
    In either case:
    a) Will Airport Extreme recognize my External Hard Drive as a Time Machine Backup Destination? (And as a Drive to store other media)
    b) Will Time Capsule recognize my external hard drive, in addition to itself (Since it’s also a Hard Drive?)
    5. This page: ((http://www.apple.com/airportextreme/features/harddrivesharing.html)  says: “You can set up password-protected accounts for everyone on the network or allow read-only access to certain files and folders.”
    Some folders, I don’t even want to allow read only access to. Can I require a password before they can be viewed, or modified/deleted? (If I go the time capsule rout, I would want to protect the drives attached to it, and probably not the HD on the capsule itself).
    7. Can Time Machine backup wirelessly to other drives, such as http://shop.nextbyte.com.au/Script/MCH/Products/532195-NextByte-WDBACG0020HCHAES N-WD-My-Book-Live-2TB
    Thanks so much for your help.
    P.S. Can anyone recommend a good modem to use with the Airprort/Time Capsule?

    Ok, thanks for clarifying.
    Unfortunately, the "jury is still out" on this. Apple's last stance (ref: Mac OS X 10.5: Time Machine doesn't back up to AirPort Disks) is that Time Machine (TM) does not support backups to AirPort Disk drives. However, others (ref: Time Machine now works with AirPort Extreme's AirDisk feature) have reported that this is now working with firmware v7.3.1 or later.

  • Yosemite and Time capsule not working?

    I just started using Yosemite on my mac book pro laptop and my mac desktop. Time machine has been fine on my desktop with my external drive which is plugged into the computer. I had no problem with new backups. But, I can't get time machine to work with my laptop and time capsule. I have another external cloud drive as well, and it will not work with that one now either. First, I can no longer just open up my backups from the folders in the finder like I used to be able to. instead all I see is a disk image with my back up and when I click on it I can not open it and get an error message (see below). Also, it will not back up at all, it give me the other error message in this picture. What is going on here? I am so frustrated. I may just have to go to the genius bar but this is so frustrating.
    I also can't even access my back ups now from before even if I go in through the finder window and select the hard drive the back up do to go very far back. Only a few days. I am worried that somehow all of my backups are gone but am hoping that is not the case. It all worked fine before I installed Yosemite. I would appreciate any help or guidance.
    For the first image, if I try to back up to time capsule I get the exact same message except it says could not back up to the name of my time capsule drive.

    A third-party NAS is unsuitable for use with Time Machine, especially if it's your only backup. I know this isn't what you want to hear. I know that Time Machine accepts the NAS as a backup destination. I know that the manufacturer says the device will work with Time Machine, and I also know that it usually seems to work. Except when you try to restore, and find that you can't.
    Apple has published a specification for network devices that work with Time Machine. None of the third-party NAS vendors, as far as I know, meets that specification. They all use the incomplete, obsolete Netatalk implementation of Apple Filing Protocol.
    If you want network backup, use as the destination either an Apple Time Capsule or an external storage device connected to another Mac or to an 802.11ac AirPort base station. Only the 802.11ac base stations support Time Machine, not any older model.
    Otherwise, don't use Time Machine at all. There are other ways to back up, though none of them is anywhere near as efficient or as well integrated with OS X. I don't have a specific recommendation.
    If you're determined to keep using the NAS with Time Machine, your only recourse for any problems that result is to the manufacturer (which will blame Apple, or you, or anyone but itself.)

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