Filed under: Airport, Freeware, Internet Tools
Mysterious Airport dropouts solved?
Tell me if this scenario sounds familiar. You're happily using your Mac (naturally), surfing the net or shopping the iTunes Store, when your WiFi signal suddenly drops. Your Mac sees the Airport Basestation, but it's not letting you out. Only restarting the basestation itself will renew the connection.It's happened to me several times. Often it will be good for months at a time, then execute these random drops several times per week. If you've experienced this too, you know how frustrating it is.
Gedeon Maheux of The Iconfactory (and friend of TUAW) has found a possible culprit ... plus a solution that works for him, and hopefully for you too.
After a fruitless testing phase that included re-locating basestations, disabling Wi-Fi enabled non-Macs (like TiVo and a Wii), and removing an Airport Express from the network, Ged had a break in the case.
By using the freeware utility AP Grapher, he identified the wireless routers in his neighborhood. Even though several of them were hundreds of feet away from his house, he was still picking up their signals. At that time, the channel would be cluttered with radio noise, prompting the basestation to cease broadcasting until the noise went away. That could take a few minutes, or a very long time.
With his Mac's Airport Preferences set to Automatic, his machine would occasionally select those channels, so that was the first thing to eliminate. Most people use their router at factory settings, and most routers use channel 6 out of the box. By avoiding 6 (as well as one channel above and below), Ged has happily avoided the issue since Christmas.
Thanks, Ged! Here's hoping this tip helps you, too. If cleaning up your channel choices doesn't improve your wireless life, you might try the suggestions of some commenters on Mike's recent 10.5.2. wireless issues post and turn of "Delayed ACK" on your wireless connection. You can use the command in the comment to turn off Delayed ACK temporarily, or use Systemsboy's startup item to disable it longer-term.
Don't forget, our Sunday night talkcast is all about Mac OS X issues and problems this week -- don't forget to chime in with your ongoing aggravations!
By using the freeware utility AP Grapher, he identified the wireless routers in his neighborhood. Even though several of them were hundreds of feet away from his house, he was still picking up their signals. At that time, the channel would be cluttered with radio noise, prompting the basestation to cease broadcasting until the noise went away. That could take a few minutes, or a very long time.
With his Mac's Airport Preferences set to Automatic, his machine would occasionally select those channels, so that was the first thing to eliminate. Most people use their router at factory settings, and most routers use channel 6 out of the box. By avoiding 6 (as well as one channel above and below), Ged has happily avoided the issue since Christmas.
Thanks, Ged! Here's hoping this tip helps you, too. If cleaning up your channel choices doesn't improve your wireless life, you might try the suggestions of some commenters on Mike's recent 10.5.2. wireless issues post and turn of "Delayed ACK" on your wireless connection. You can use the command in the comment to turn off Delayed ACK temporarily, or use Systemsboy's startup item to disable it longer-term.
Don't forget, our Sunday night talkcast is all about Mac OS X issues and problems this week -- don't forget to chime in with your ongoing aggravations!
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Reader Comments (Page 1 of 2)
Larson said 8:21PM on 2-24-2008
I don't have an airport basestation but I do have connection dropouts that occur periodically and lately constantly. I never would have thought of that. Hopefully that'll fix the problem.
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5cents said 8:25PM on 2-24-2008
Gah, I've been using a unique channel for my airport express for a while now and I still get dropouts. I'm pretty sure it's my mac because I can always always always manually reconnect and hop back on the 'net (though it may promptly disconnect forcing me through the process again). Frustrating indeed, I'm glad this Ged solved his problem but every culprit I thought I had identified turned out to be just coincidence thus far i.e. who knows why the duck the connection drops.
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AppleBlogg said 8:33PM on 2-24-2008
Used to happen to me constantly. Took a suggestion a friend gave me, and turned Configure IPv6 to OFF in the TCP/IP settings. Haven't experienced a single disconnect for going on 3 months.
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steve-o said 11:33AM on 2-25-2008
Yup...that was the fix for me as well.
(01) said 8:37PM on 2-24-2008
All the freakin' time. I'd say on average I have to reset the base station at least once a week. It's not that bad, but does get a bit annoying after a while.
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zideshowbob said 10:09PM on 2-24-2008
I also have this dropouts but not too often during the last few weeks.
I also have trouble with my connected speakers. Sometimes they just disappear and I have to restart the station. That suxx, too! Any hint?
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Steven said 8:53PM on 2-24-2008
AP Grapher crashes a whole lot. Pity.
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heymike222 said 8:52PM on 2-24-2008
My AEBS drives me nuts. It will be good for weeks, then all of a sudden, I get frequent drops. Sometimes many times in a row. The problem is, I'M HARD WIRED. (I've isolated the trouble to be a problem with the way it handles PPPOE.) I hate this damn thing. I'm on my 3rd one. If it wasn't so fast, I'd go back to my old Linksys. Never had any problems. A lot of people are complaining about this router. When is Apple going to fix it?!
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compuguy1088 said 8:52PM on 2-24-2008
I've actually been doing that for quite awhile. My router is on channel 2, but there is still some issues of disconnections with 10.5.2.
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ramond said 9:20PM on 2-24-2008
Well dlink and linsys default to channel 11 so I think you can safely say 11 is the most popular default channel, not 6. And since cordless phones occupy 1 to 10, 11 is your best bet at avoiding interference, even if there is another AP on that channel.
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Kuy said 9:20PM on 2-24-2008
My solution: Use 802.11n on the 5GHz band on an APX-n with Gigabit. Then use a second access point (802.11b/g) for devices without 'n'. For the speed and reliability, it's worth every penny.
I live in an upscale, high-tech part of San Francisco, in range of about 50 access points. Even then, I have no trouble with this method.
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bigg said 9:36PM on 2-24-2008
I have the Extreme BS (non n dome type) and three Expresses and my network has always been rock solid until 10.5.2 now I have the dropout issue all the time. Even the expresses with a hardwire will not connect. The ONLY cure is to reboot the AP Extreme main BS. This is VERY annoying. Its strange that an OS update is causing a totally different piece of hardware to malfunction. The only thing I can think of is the AirPort Utility is somehow setting them up incorrectly. Apple PLEASE, for the love of God, fix this SOON.
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Kenny Malinich said 2:42AM on 2-25-2008
"I have the Extreme BS (non n dome type)..."
Haha Extreme BS.
Allan said 12:43AM on 2-25-2008
just make sure you are using WPA not WEP on a WDS network the new firmware on the routers dont like it.
zevah said 9:33PM on 2-24-2008
I don't have the an airport but i have the same problem, fix it changing the security to WEP. Now is still happening, but only when im using a Bit-torrent client. so that must be my internet provider...
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Senior said 10:34PM on 2-24-2008
I have an Airport Extreme; my MBP has no problems with it, but my girlfriend's PC laptop loses its connection all the time.
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Gordon Buchanan said 6:22AM on 2-25-2008
I was having multiple dropouts per day when in 5GHz mode. I switched to 2.4GHz and my connection is solid. I hope Apple fixes this as it was working fine on 10.5.1.
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Dempsey Yearry said 9:46PM on 2-24-2008
Though this is not a real fix, the following command issued from the Terminal resolved my connection problems. The Terminal must remain open but can be put in the background.
ping -i 15
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Dempsey Yearry said 9:50PM on 2-24-2008
The command should be followed with the ip address of your router. It did not show in my original comment.
Ryan said 11:12PM on 2-24-2008
Why would an update suddenly increase the amount of interference for wifi? I know that I am the only one on the block broadcasting in the 5ghz range and I have scanned to see whats out there. I am completely in the clear yet when I download a large file that uses my max bandwidth my wifi gets dropped...
And when I switch over to my linksys piece of shit router and download that same file it works just fine. Garbage airport extreme and the 10.5.2 update are to blame for this one.
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