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[Taz145]

I just recently purchased a DIR-822 and it has consistently dropped the internet connection ever since it was set up. The connection will be solid and then without warning, both the 2ghz and the 5ghz WiFi networks will disappear and it will take ~1 minuet before devices can reconnect. When this happens the only light on the router will be the power light, all others are out. I called my ISP (start.ca) and a tech told me that UNpN could affect the connection so I now have that disabled along with every setting under the ALG configuration heading. This has not fixed the issue yet. I have cable internet with 150mbs/10mbs upload/download and the modem is a Hitron CDA3. Any help would be great and please let me know if more information is needed.

[GreenBay42]

Sounds like the router is rebooting... 

Do you have any 5GHz wireless devices connected? If so what?

What firmware are you running? Open browser and go to 192.168.0.1/version.txt and tell me the internal firmware version and date. If you changed the local ip address of the router use that instead of 192.168.0.1.

[FurryNutz]

Link>Welcome!

• 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 and 5Ghz routers: Try single mode G or N or mixed G and N on 2.4Ghz and single mode N or AC on 5Ghz?
• Channel Width set for Auto 20/40Mhz or try 20Mhz only.
• 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. Try channel 48 or 149 on 5Ghz.
• 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 a WiFi Scanner to find out. How many?
• For routers with Smart Connect Technology , try disabling this feature and test. Under 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
http://www.foxnews.com/tech/2015/10/27/how-to-get-stronger-wi-fi-signal.html?icid=maing-grid7|main5|dl31|sec1_lnk3%26pLid%3D1839803170

I just recently purchased a DIR-822 and it has consistently dropped the internet connection ever since it was set up. The connection will be solid and then without warning, both the 2ghz and the 5ghz WiFi networks will disappear and it will take ~1 minuet before devices can reconnect. When this happens the only light on the router will be the power light, all others are out. I called my ISP (start.ca) and a tech told me that UNpN could affect the connection so I now have that disabled along with every setting under the ALG configuration heading. This has not fixed the issue yet. I have cable internet with 150mbs/10mbs upload/download and the modem is a Hitron CDA3. Any help would be great and please let me know if more information is needed.