The IGMP Proxy parameter is in the Network/LAN menu, when enabled it creates a lot of troubles... Which firmware version are you using? On my WDR4900, I prefer to use the 130320...

Hi, That was a known problem with a lot of TP-Link routers. I hope that someone reported it for your device. In waiting a bug fix, I suggest you to set GMT+1 in summer and GMT on winter...

g.romeo wrote Hi guys, I'm new here! I have a wdr4900,, it's in bridge mode with WAN port not connected. Everything (including Internet access) is working as expected except ntp server setting. I've...

Hi, It's probably a DHCP issue because the default address lease time is 120min. Increase it to the max...

Did you disable IGMP Proxy ?

Hi, Which firmware version are you using? Which client adpter and driver?