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Last validated: Mar 16, 2026
\nThe following topics provide suggestions and tips to help troubleshoot common network configuration issues.
\nDisable subnet route masquerading \\\r\n\\\r\nDisable Source Network Address Translation (SNAT) for a device in your Tailscale network. IP routes installed by Tailscale \\\r\n\\\r\nDetermine which routes that Tailscale installs. Troubleshoot CGNAT conflicts \\\r\n\\\r\nTroubleshoot CGNAT conflicts in your Tailscale network. Troubleshoot DERP traffic routing issues \\\r\n\\\r\nTroubleshoot DERP traffic routing issues in your Tailscale network. Troubleshoot DNS errors for internal services \\\r\n\\\r\nTroubleshoot DNS errors for internal services connectivity in your Tailscale network. Troubleshoot hard NAT issues \\\r\n\\\r\nTroubleshoot hard NAT issues with slow or timed out connections in your Tailscale network. Troubleshoot IP forwarding issues when advertising subnet routes or exit nodes \\\r\n\\\r\nTroubleshoot IP forwarding issues when advertising subnet routes or exit nodes in your Tailscale network. Troubleshoot LAN traffic prioritization issues with overlapping subnet routes \\\r\n\\\r\nTroubleshoot LAN traffic prioritization issues with overlapping subnet routes in your Tailscale network. Troubleshoot multiple devices with the same 100.x IP address \\\r\n\\\r\nTroubleshoot multiple devices with the same 100.x IP address in your Tailscale network. Troubleshoot overlapping subnet route failover \\\r\n\\\r\nTroubleshoot overlapping subnet route failover issues in your Tailscale network. Troubleshoot routing all traffic through a default route \\\r\n\\\r\nTroubleshoot routing all traffic through a default route in your Tailscale network. Troubleshoot SoraCOM issues \\\r\n\\\r\nTroubleshoot SoraCOM issues in your Tailscale network. Troubleshoot Sunrise Communications issues \\\r\n\\\r\nTroubleshoot Sunrise Communications issues in your Tailscale network. Troubleshoot Tailscale domains and sites unreachable \\\r\n\\\r\nTroubleshoot Tailscale domains and sites unreachable issues in your Tailscale network. Troubleshoot Tally ERP issues \\\r\n\\\r\nTroubleshoot Tally ERP issues in your Tailscale network. Troubleshoot TCP connection issues between two devices \\\r\n\\\r\nTroubleshoot TCP connection issues between two devices in your Tailscale network. Unencrypted packet examination \\\r\n\\\r\nInspect unencrypted packets as part of troubleshooting.
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