Connection lost. Reason: Client is unable to connect

| Error report |
| Describe problem and what you saw | Whenever I try to open any game mode I get a message saying “Connection lost. Reason: Client is unable to connect” |
| What you expected to see | Nothing. I expext to join the game. |
| Conditions in which error reproduce | Whenever I connect the internet via ethernet. |
| Problem details | Whenever I connect my internet via ethernet I can’t play SC. I can log in and do things but joining missions. Whenever I try to start a mission, it says: Connection lost. Reason: The client is unable to connect. The funny thing is I checked my firewall and router settings and see nothing wrong. Respected ports are open and ready to use. And If I switch back to wifi I have no problem at all(except ping due to poor connection). |
| Frequency of reproduction | always |
| Time of bug |   |

 

 

I added both connection tests with wifi and ethernet.

 

Ethernet:

70008421_conresultsethernet.PNG.cdc55f05283d9972ccb91be431c7736a.PNG

 

Wifi:

790537778_conresultswifi.PNG.58e06ba6dd0b441d4162b22d240afa45.PNG

[2021.04.13 21.12.31.553.zip](< base_url >/applications/core/interface/file/attachment.php?id=20815)

most probably, there are UDP packet loss in the internet channel.

Try to decrease MTU value in your router settings to 1200-1250

5 hours ago, Skula1975 said:

most probably, there are UDP packet loss in the internet channel.

Try to decrease MTU value in your router settings to 1200-1250

That solved the problem. Thanks for the help ^^