me and my brother cant join each others lan worlds and we are on the same internet/WiFi network

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*What I expected to happen was we could play on a lan world
Describe what you thought should happen here
we should be able to go on multiplayer and join

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...