If you're running into networking problems, you may want to try forwarding the ports used by VRChat. These are the ports used by VRChat for networking:
- TCP 80
- TCP 443
- UDP 5055
- UDP 5056
- UDP 5058
- UDP 27000-27100
You can check out the following article for help with forwarding your ports: https://www.wikihow.com/Open-Ports
