WLAN problem with the NINTENDO SWITCH?

Hello I've had problems with the switch with the wireless connection can someone explain to me wodran it can be? As an attachment, I have uploaded a picture.

When I manually entered my IP address to get a better wireless connection, I got the error message

"Dns name resolution" What exactly is this? A restart of the router and the switch unfortunately did not solve the problem!

I have entered the following:

IP Address: 192.168.178.150
Subnet Mask 255.255.255.000
Gateway 192.168.179.001

DNS setting: 192.168.178.001
Secondary DNS server 000,000,000,000

Then he shows me the error: Dns name resolution

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If I take the DNS on 8.8.8.8 and on Secondary: 8.8.4.4 then it works

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However, what I do not understand is that it shows me the connection test ine Global IP address and not the manual IP address I have set.

Download speed: 36.3
Upload to 11.9 Mbits
Nat Type: B

are the values okay? Sry do not know me would be nice if someone could enlighten me.

Thank you

I would not enter the IP address manually, but simply relax and select the Wi-Fi network.

But 36 Mbps is very good, more than enough.

Does it have a specific reason that you do it manually? Let the console do the work, then the values are guaranteed to be correct and everything works.