Support ninjas have suggested the problem is due to my Airport network setup. That is, with the standard Apple Airport base station set-up. Helpful.
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Sync kills WiFi connection [A: WiFi + Bluetooth causing radio interference] | Thread Tools | Search this Thread | Display Modes |
Member
2010-08-24, 11:16 PM
Support ninjas have suggested the problem is due to my Airport network setup. That is, with the standard Apple Airport base station set-up. Helpful.
Post 21
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Member
2010-08-25, 06:19 AM
Quote:
Now you've got me curious enough to try reconfiguring part of my network with WDS instead of an Ethernet backbone....
Post 22
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Sorry for your frustrating networking experience! Perhaps I can elaborate on what the support ninjas concluded?
First, let's review the problem you've described: Quote:
I'm running with the same basic configuration that you are (two Apple base stations, one remote and one local) and I've never seen this problem. But I did see plenty of general networking problems when I was setting up the wireless network—eventually I got everything positioned just right so that those problems went away.So, what to do? I can think of two ways to try to solve this: One way would be to try to reconfigure your wireless network to something a little more robust, perhaps moving the base stations closer together or adding a repeating base station somewhere between the two. Or, ideally, replace one of the wireless links with a wire (say, between the iMac and the nearby base station) so that there's less radio traffic to cause interference. Making your wireless network more robust seems like a good idea in general, but depending on your physical layout it might be difficult to solve. Especially if the only app affected is OmniFocus.I hope this helps! Last edited by Ken Case; 2010-08-25 at 08:27 AM.. Reason: Added indentation to make the text more scannable
Post 23
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Member
2010-09-08, 04:52 AM
I have seen this for ages - way over a year - relatively consistantly and with 2 different iPhones and different MacBooks...
I have Bonjour based sync working fairly well. However fairly often, I start up OmniFocus on the iPhone, and either just let it sync or force a sync, and you can see the WiFi icon on the top of the display wink out and be replaced with a mobile network connection (normally GPRS at this particular location). Sometimes you can regain wifi by going to the prefs app and selecting the wifi network, often it appears that you have to kill OmniFocus off (at least in iOS 4), get wifi and then restart OmniFocus to get a successful sync attempt. It really feels as though there is a correlation with OmniFocus and getting knocked off the network. Even more so there feels like a correlation between a second or subsequent sync session (ie after a weekend I tend to have changes on the phone, so I sync them back, do my weekly review etc, and then sync again) and this form of sync failure.... Other than this I have no problems with WiFi usage or with sync... Oddly I tried using MobileMe sync for a while due to this, and I seem to get the same effect of knocking the phone off the WiFi network, but the sync still succeeds if somewhat slowly... Sounds wacky, has anyone else seen this? Nigel.
Post 24
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That sounds a little like the problem described in calumma's Sync Issues thread, which seemed to be caused by an unreliable Wi-Fi network being overloaded by too much local traffic. I guess I'd start by checking your Wi-Fi router's logs to see if it has any additional information, or perhaps your iPhone's console logs (which you can access using Apple's iPhone Configuration Utility).
Post 25
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Member
2010-09-10, 07:13 AM
My wifi network is perfectly reliable thank you. The only software that I experience issues with is OmniFocus on the iPhone. I can move GB of data between different macs on my network without problem, yet a simple ToDo app on my phone causes the network to fail. As others have also reported, turning on Airplane mode on the phone and manually reconnecting wifi, enables sync to function.
nigelm go into settings and turn on airplane mode. Then manually reconnect to your wifi network, reopen OmniFocus and retry the sync. Let us know if this works.
Post 26
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Member
2010-09-10, 07:24 AM
Just tried turning on web sharing on the mac with desktop version of OmniFocus and my Bonjour syncing problems went away. No need to turn on airplane mode and manually reconnect my wifi network. Note that I do NOT have a firewall set up on this machine (I have hardware firewall on my modem).
EDIT: don't yet know if this is a long-term solution, but it may be worth others giving it a try. Last edited by calumma; 2010-09-10 at 07:57 AM..
Post 27
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Member
2010-09-10, 08:20 AM
I appreciate the advice but I remain unconvinced. What I don't understand is if my airport connection is unreliable, why does the sync succeed when the phone is placed in airport mode and wifi is then manually reselected. If the wifi was being overloaded, presumably it would be overloaded whether or not the phone was placed in airplane mode? Surely the wifi network would be more likely to become overloaded if I force the phone to keep its wifi connection after turning on airplane mode?
Also, this problem occurs no matter how much or little information I am attempting to sync. Are you honestly saying that syncing just one item can overload a users wifi network? Note that I can copy large files and control other macs on the same network using Finders built in VNC client (that presumably push much more data back and forth), as well as macs at remote locations.
Post 28
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Member
2010-09-12, 11:55 PM
Bonjour syncing still working better than before, but dropped wifi connection does occur every now and again. Restarting OmniFocus on the Mac seems to fix this now though. Something about my setup has obviously changed. The only two significant differences I am aware of are the upgrade of iPhone to iOS 4.1 and enabling of web sharing on the mac.
EDIT: Had some time to play around with OmniFocus this morning so tried turning web sharing on and off, adding items to OmniFocus and syncing with iPhone. As far as I can tell, enabling/disabling web sharing is having no effect at all. I can only assume the upgrade to iOS 4.1 has fixed 'something' that makes bonjour syncing more reliable. EDIT2: I spoke too soon. When I disable web sharing the first sync completes successfully, but repeat syncs fail with the message 'specified sync server could not be found'. Enabling web sharing on the mac and restarting OmniFocus on iPhone results in bonjour syncing working on successive occasions. Last edited by calumma; 2010-09-13 at 12:05 AM..
Post 29
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Member
2010-09-24, 12:38 AM
Hi!
I discovered the same problem with the iphone dropping the wlan connection when syncing. As im using a iPhone 4 (4.1) and a Cisco 581W Router. So I don't think it's either a iPhone 3G problem nor a Airport problem. Just my thoughts... Mark.
Post 30
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