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[fuga]

DIR-880L, fw 1.07. Dynamic IP.
I have used this for some years without any problems. Now I have noticed problems with wifi clients being randomly disconnected or showing "no internet connectin" when trying to connect to wifi. There are no problems with the ISP. My Windows clients never face this problem. It appears to be mainly related to IOS (mac, iphon, ipad). When reaching approx more than 10-12 clients the disconnection problem seems to appear randomly. The rest of the clients have full wifi access and Internet.  When reconnecting the disconnected client fails, the only way is to reboot the router, and then the client will connect successfully. I also had this issue with an Android TV, but that was resolved after setting the TV to fixed IP. Does anyone experience problems with wifi disconnection with DIR-880L when the number of connected clients reach 10+? Note that there is no significant wifi traffic when the problem appears.

[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?

Internet Service Provider and Modem Configurations

• What ISP Service do you have? Cable or DSL?
• What ISP Modem Mfr. and model # do you have?

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.

Is the router warmer or hot when this happens? How is the router placed? Good air ventilation around it?

[fuga]

Hardware version: A1
Firmware: 1.07WW
Region: Europe/Sweden
ISP connection via fiber cable using ISP provided media converter/modem. I have talked to the ISP and the can not se any problems on the Internet connection/service. ISP is a large provider in Sweden.
Custom SSID, different on 2.4G and 5G.
Using both 2.4G and 5G.
Channel set to Auto 20/40 MHz, but actually thought I hade changed it to 20MHz only for 2.4G. Perhaps I should set it to 20MHz only (again)? Makes difference??
I have scanned the network neighborhood and selected channel 11 for 2.4GHz and 48 for 5G since they are the least used in the neighborhood.
Security mode WPA/WPA2-Personal.
Devices on wifi: Windows 7 PCs, iPhones, iPads, Android phone, Android TV. Appers that problem with disconnected clients appears when there are approx. 10+ clients connected simultanously. Problem does not appear on the Windows 7 clients. Problem does not appear on Android TV after switching to static IP for this client.
No cordles phone devices in our home.
Have checked wifi network with inSSIDer. Found plenty of networks on 2.4GHz and selected channel with limited interference. 5GHz not very crowded.
I don't use Smart Connect Technology (as far as I know.. :-).
Router placed on wall with good ventilation.

[FurryNutz]

You might try updating FW:
http://forums.dlink.com/index.php?topic=65883.0

Do a factory reset, load the FW file using IE11 or FF, factory reset, then setup from scratch.

Yes you might use 20Mhz and set channel 11 or 13 on 2.4Ghz. Single mode N and WPA2 only.

[fuga]

Thanks.
Changed 2.4GHz to "802.11n only" and "20 MHz". Will see if that makes any difference.
Security is set to "WPA/WPA2-Personal". There is no other WPA2 option in the list.
I'm using Chrome to administrate and have not noticed any issues. Does it make sense to use IE or FF instead?

I'll wait with the FW update. My current version was the latest fond by the admin interface.
Would the 1.08 work for my Hardware version A1?

[FurryNutz]

IE11 and FF was mentioned for FW updates and v1.08 works on my 880L.

[fuga]

Just opend a support case at Dlink to see what they might say about this.
Let me know if anyone on this forum have seen similar issues with clients beeing disconnected from wifi.

[FurryNutz]

Have you updated FW yet?

[fuga]

First reply from Dlink was to install FW 1.08, just like recommended on this forum by FurryNutz.
I'll do that to see if it makes any difference.
Still a little confused why FW 1.08 doesn't show in list of available FW when checked by the router.

[GreenBay42]

D-Link routers only will show "officially released" firmware through the UI. It is best to download the firmware from the support site and manually upload it.

1.08 is still in BETA and going through the final testing and certification before being an "official release" so it will not show up in the UI.

[FurryNutz]

Please follow this to update the router:
Link> >FW Update Process

First reply from Dlink was to install FW 1.08, just like recommended on this forum by FurryNutz.
I'll do that to see if it makes any difference.
Still a little confused why FW 1.08 doesn't show in list of available FW when checked by the router.

[fuga]

I've just performed the upgrade to FW 1.08.
Made a full factory reset before and after FW upgrade.
Ran the wireless configuration setup wizard from scratch.
Will see if the problem is gone after running a couple of days.

[FurryNutz]

Let us know how it goes. 

[fuga]

Just want to confirm that after the upgrade to FW 1.08 and one week of use, it seems to be working just fine.
I haven't had any problem with clients being disconnceted (so far) after the upgrade. Previously the problem appeared after one or two days of use.
Hard to know if it was fixed with the new FW or the fact that I performed the factory reset and re-configuration from scratch.
Anyway, I'm glad it's up running and (so far) it works great!

[FurryNutz]

Glad it's working now. Enjoy.