Router crashes at night

Jster

Reputable
Aug 2, 2014
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My air fiber router crashes almost every night between ten and eleven.
It usually works if I do a hard reset, but will crash if a new device comes online-if a laptop gets turned on, etc. it's really really frustrating as it has progressively become worse. I have to use cellular data to type this tonight as it just keeps crashing. There are only two-three devices on at night and three-four during the day. you can "connect" on an iphone but it will not transfer any data.
 
Solution


I recommended putting it on wireless G because some devices won't connect to wireless N without WMM enabled. I would think the only downside of putting it on wireless G is a shortened range. Unless your internet download is more than 54mbps you won't benefit from increased transmission rate of wireless...

I have heard WMM can cause issue but setting a router back to 802.11g is just silly. It is pretty much just a different method of placing the bits into the radio signal. Doing that also eliminates any ability to use dual band routers. I would say any router that does not work on anything other than 802.11g should be put in the trash can as defective.


 
Since it happens at a particular time every night I would be suspect of a DHCP issue with the ISP. They may have a very short lease time on the WAN ip. I guess it depends what you mean crash. If the box goes down so hard you can not even get into the administration pages then you have a hardware/firmware error. Since you can still connect to the router via wireless and it likely gives you a IP address I would suspect it is mostly functional. I would try the standard upgrade the firmware and see if you get lucky and there was some strange bug.

I would log into the router when it is having a issue and see if there are any log messages. Some have ability to do things like ping or traceroute from the router. I am going to assume the ISP is closed at night otherwise they would likely be able to help you troubleshoot this.

 


I recommended putting it on wireless G because some devices won't connect to wireless N without WMM enabled. I would think the only downside of putting it on wireless G is a shortened range. Unless your internet download is more than 54mbps you won't benefit from increased transmission rate of wireless N, assuming you don't transfer data between computers on your LAN. Wifi standards are not as good as you would imagine. Newer devices may not work with older routers and vice versa thus, some compromises have to be made. The reason I suggested disabling WMM and enabling wireless G was because my Dlink router would drop its SSID from all my devices randomly and doing what I suggested fixed it completely.

 
Solution