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[raghubhaskar]

Hi All -

has this issue been resolved? I have a 2660 and facing same issue. In another forum DLink adviced to switchoff SmartSwitch and have a dedicated bandwidth allocated to 2.4Ghz.

https://forums.tomshardware.com/threads/dlink-2640-smart-ac2600.3514661/

All my devices keep disconnecting and i have to restart the router 3/4 times a day.

My Syslog gives me the same message;
2020-08-12 13:05:26 syslog: dnssd_clientstub ConnectToServer: connect()-> No of tries: 2
2020-08-12 13:05:27 syslog: dnssd_clientstub ConnectToServer: connect()-> No of tries: 3
2020-08-12 13:05:28 syslog: dnssd_clientstub ConnectToServer: connect() failed path:/var/run/mdnsd Socket:27 Err:-1 Errno:0 Success

[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?
• Are you wired or wireless connected to the router?
• Has a Factory Reset been performed?
• Was a Factory Reset performed before and after any firmware updates then set up from scratch?

  Link> >FW Update Process

• Was the router working before any firmware updates?

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.
• 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?

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

The log entries should be taken out by D-Link on next FW update. I recommend that you please contact D-Link support and let them know what you see in these logs as well for this model router to be sure they include this in there fixes.

[Chocofenix]

I've had similar, only since the 1.11 firmware, I've had to set a daily reboot for it to be somewhat usable - far from ideal

[FurryNutz]

Has a factory reset and setup from been performed since last FW update?