Hello, my friend and I have been having issues connecting to one another's LAN multiplayer world. We are on the same wifi network and using the same device, mac. I have tried reconfiguring the firewalls and removing them completely. I am following all of the correct steps by entering the Ipv4 and the correct port and it never works. The screen says loading server for a while and then I get the message "io.netty.channel.connecttimeoutexception connection timed out" I am not sure what to do, any tips would be much appreciated, thank you!
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Duplicate of MC-120362.
Having the exact same problem, you're not alone!