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I am trying to set up ADSL and WiFi in a country home. I have bought a DLink DSL-2640 modem-router for this. The device is connected to the ADSL, everything works fine. The device has a WiFi AP capability - I have set up the WiFi and I am accessing the network from 2 different iPads, 2 PCs and an Android phone. After a few hours of work I begin to notice that one of the iPads is taking to long to load pages - it even can't load the router's web interface. This goes on for 5-10 minutes or so, then it passes away. Same stuff happens to Android, but rarer. PC has this problem occasionally also, but rarest of all.
I am assuming that this is a problem of the device - ADSL and WiFi might be too much for it. I got a dedicated WiFi router (TP-Link WR740N), connected it to the DLink and turned off WiFi on the D-Link.
Same stuff happens. After a while the Internet stops responding - I can't load the router's web interface. Goes on for 2-10 minutes and passes. WiFi is functional, I can disconnect and connect a device, device obtains an address through DHCP.
I updated both devices to the latest official firmware. I tried switching WiFi channels, switched the router to g-only mode. EM interference is very unlikely since it's a country home and there are no wifi networks around.
I am at a loss and don't know how to debug this further. Any advice is welcome.
Thanks
Two things come to mind when I hear "couple of hours." First is thermal, second is memory. If you turn the router off, and immediately back on, and it lasts for a couple of hours again, that would almost eliminate thermal issues as the possible issue. If you have to leave it off for a while for it to work again, it's likely thermal issues.
If it's not thermal, it would likely be memory. The problem would be what specifically is causing this problem? What services are running, what does the configuration look like in the router, for routing specifically? – Everett – 2012-08-19T17:50:19.223
Have you contacted your service provider and asked them if they see any problems? – Everett – 2012-08-19T17:50:41.203
is everything wireless? does it happen when it is wired? EMI can be caused by alot of things, not just another wifi... – Logman – 2012-08-19T17:54:43.423
Thanks everyone for the suggestions. I tried with wired connection and saw no hiccups. Then I looked into my wireless environment once again - there were 2 2.4GHz devices nearby - a cordless phone and a wireless video baby monitor. When wireless stall happened again, I tried to turn off the baby monitor and looks like it helped. I am not 100% sure yet, but it seems that this device uses some devious channel selection algorithm that makes it jump through channels from time to time and end up on interfering with the active wifi connections. Thanks everybody. – Corvin666 – 2012-08-20T14:07:35.997