How to troubleshoot Internet connection issues with Tailscale and USG FLEX H as Exit Node?

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Zyxel_Emily
Zyxel_Emily Posts: 1,431  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
edited July 9 in VPN

Question:
How to troubleshoot Internet connection issues with Tailscale and USG FLEX H as Exit Node?

Answer:
If you're experiencing issues with internet connectivity while using Tailscale with the USG FLEX H as an exit node, follow these steps to resolve the issue:

  1. Ensure the Exit Node is Enabled:
    Log in to the Tailscale portal, and verify the exit node option is enabled for the USG FLEX H device. Refer to "Case 2: Allow Client A to Access Internet through Firewall" in the USG FLEX H Handbook.
  2. Disable Tailscale DNS Settings:
    On the Tailscale client, go to the settings and uncheck the "Use Tailscale DNS settings" option. Test the internet connection again to see if browsing websites is now functional.
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