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Author Topic: Wireless shuts down  (Read 3394 times)

mendonsy

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Wireless shuts down
« on: June 04, 2015, 04:49:06 PM »

My DSR250N has been working fine for about 2 years. Recently the wireless will stop working about once a week. Nothing unusual shows up in the configuration. Rebooting the router seems to fix the problem (so far). The wireless is used occasionally, but not all that often.

Any ideas what might cause this??
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FurryNutz

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Re: Wireless shuts down
« Reply #1 on: June 05, 2015, 11:49:34 AM »

  • What Hardware version is your router? Look at sticker under the router case.
  • Link>What Firmware version is currently loaded? Found on the routers web page under status.
  • What region are you located?

Wireless Configurations
Links>Wireless Installation Considerations and Managing Signal Congestion and Good Neighbour Policy
  • Ensure the default (dlink) SSID name is changed. Ensure that different SSID names are used between each WiFi 2.4/5Ghz radios. Can be anything and not something that's already in use by any neighbouring WiFi routers. Under Setup/Wireless/Manual.
  • What wireless modes are you using?
  • 2.4Ghz Routers only: Try single mode G or N or mixed G and N?
  • Channel Width set for Auto 20/40Mhz
  • Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear. 13 for EU regions.
  • What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES.
  • What wireless devices do you have connected?
  • Ensure any devices with WiFi adapter drivers are updated.
  • Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
  • Any other WiFi routers in the area that maybe causing interferences? Link> Use InSSIDer to find out. How many? Use v3, its free.
  • If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.

Router Placement
Forum User - "Well I feel really dumb. After moving the router away from other electronic devices my speeds are back to normal. Just a heads up for anyone experiencing slow speeds, you might want to move it away from other electronics and see if that helps."
3-6' feet minimum safe distance between devices.
Placement on main level floor and central in the building and WELL ventilated is preferred. Not in basements or closets as building materials, or near by electronics devices could interfere or hinder good signal propagation.
http://www.smallnetbuilder.com/wireless/wireless-basics/31083-smallnetbuilders-wireless-faq-the-essentials
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mendonsy

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Re: Wireless shuts down
« Reply #2 on: July 08, 2015, 05:25:52 AM »

This problem seems to have gone away by itself, at least for now. There are no changes in the surrounding environment where it has been operating happily for the last two years so I don't think it is an interference issue.
Now I have a different problem however!. When I try to log into the to log into the router I get the following message.

"Secure Connection Failed

An error occurred during a connection to 192.168.0.1. SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: ssl_error_weak_server_ephemeral_dh_key)

    The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
    Please contact the website owners to inform them of this problem."


What would cause this?? Is this router about to suffer a hardware failure??
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mendonsy

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Re: Wireless shuts down
« Reply #3 on: July 08, 2015, 07:47:43 AM »

I found an answer to the login issue. It is a new security thing that is documented here: https://support.mozilla.org/en-US/questions/1066238
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FurryNutz

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Re: Wireless shuts down
« Reply #4 on: December 09, 2015, 07:05:09 AM »

Thank you for the feedback and information.  ;)
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