Troubleshoot network configuration
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The following topics provide suggestions and tips to help troubleshoot common network configuration issues.
Troubleshoot CGNAT conflicts
Troubleshoot CGNAT conflicts in your Tailscale network.
Troubleshoot DERP traffic routing issues
Troubleshoot DERP traffic routing issues in your Tailscale network.
Troubleshoot DNS errors for internal services
Troubleshoot DNS errors for internal services connectivity in your Tailscale network.
Troubleshoot hard NAT issues
Troubleshoot hard NAT issues with slow or timed out connections in your Tailscale network.
Troubleshoot IP forwarding issues when advertising subnet routes or exit nodes
Troubleshoot IP forwarding issues when advertising subnet routes or exit nodes in your Tailscale network.
Troubleshoot LAN traffic prioritization issues with overlapping subnet routes
Troubleshoot LAN traffic prioritization issues with overlapping subnet routes in your Tailscale network.
Troubleshoot multiple devices with the same 100.x IP address
Troubleshoot multiple devices with the same 100.x IP address in your Tailscale network.
Troubleshoot overlapping subnet route failover
Troubleshoot overlapping subnet route failover issues in your Tailscale network.
Troubleshoot routing all traffic through a default route
Troubleshoot routing all traffic through a default route in your Tailscale network.
Troubleshoot SoraCOM issues
Troubleshoot SoraCOM issues in your Tailscale network.
Troubleshoot Sunrise Communications issues
Troubleshoot Sunrise Communications issues in your Tailscale network.
Troubleshoot Tailscale domains and sites unreachable
Troubleshoot Tailscale domains and sites unreachable issues in your Tailscale network.
Troubleshoot Tally ERP issues
Troubleshoot Tally ERP issues in your Tailscale network.
Troubleshoot TCP connection issues between two devices
Troubleshoot TCP connection issues between two devices in your Tailscale network.