This setup is a workaround for Nintendo Switch console with no DNS issue, i.e., it is connected to the wired or wireless network, with IP address but no internet. This guide is applicable to wireless and wired connections.
Double-check if you are connected to the network. Check on System Settings/Internet/Connection Status. If it is connected or IP address is shown, then proceed to Step 2. If not, then register your MAC address and connect to the wired or wireless connection. Figure. 1 IP address
Change DNS to Google DNS. System settings/DNS settings: Change to “Manual” and enter 8.8.8.8 and 8.8.4.4 Figure 2. DNS