@TSNJ Using MTU: 1460 (default: 1480), DNS: 8.8.8.8, 1.1.1.1 in both LAN & WAN. This seems to have solved the issue. But why on earth the ONU is not setting the MTU automatically when setting the...

I bought this TP Link XC220 G3v recently. But the issue is, many websites are not opening in this ONU, they are getting timed out. I have tried these methods: Changed the DNS in both LAN & WAN....