IPv6 Connectivity Test
Test your IPv6 readiness, dual-stack support, and network connectivity
IPv6 Readiness Score
Connectivity Tests
Detailed Results
Click "Start Test" to begin IPv6 connectivity testing.
Tests will check your network's IPv6 readiness and compatibility.
When to Use IPv6 Connectivity Test
Network Infrastructure Planning
IT administrators can assess IPv6 readiness before migrating services, ensuring smooth transition to dual-stack networks without connectivity disruptions.
ISP Service Validation
Verify that your Internet Service Provider delivers promised IPv6 connectivity and troubleshoot performance issues with dual-stack implementations.
Router Configuration Testing
Test router and firewall configurations after enabling IPv6 to ensure proper connectivity, MTU handling, and security settings are working correctly.
Application Development
Developers can verify their applications work correctly in IPv6 environments and test connectivity to IPv6-enabled services and APIs.
Educational and Training
Network engineering students and professionals can learn about IPv6 implementation, understand dual-stack behavior, and practice troubleshooting techniques.
Security Assessment
Security professionals can identify potential vulnerabilities in IPv6 implementations and ensure proper firewall rules and monitoring are in place.
Frequently Asked Questions
What is IPv6 and why should I test my connectivity?
IPv6 is the next generation Internet Protocol that provides vastly more IP addresses than IPv4. Testing your IPv6 connectivity ensures you can access websites and services that use IPv6, helps identify potential issues before they affect your internet experience, and validates your network's readiness for the future internet infrastructure.
What does dual-stack connectivity mean?
Dual-stack connectivity means your network supports both IPv4 and IPv6 protocols simultaneously. This allows you to access both legacy IPv4 websites and modern IPv6 services without interruption. It's the recommended approach for transitioning to IPv6 while maintaining backward compatibility.
Why do large packet tests matter for IPv6?
Large packet tests validate Path MTU Discovery (PMTUD) functionality. IPv6 networks must properly handle packet size negotiation to prevent connectivity issues with websites and services that send large data packets. Failed large packet tests often indicate firewall or tunnel configuration problems.
Is this IPv6 test tool free to use?
Yes, our IPv6 Connectivity Test tool is completely free with no registration required, no usage limits, and no premium features. All tests are performed in your browser and provide detailed diagnostics to help troubleshoot connectivity issues and assess your network's IPv6 readiness.
What information does the test collect?
The test detects your public IPv4 and IPv6 addresses, identifies your ISP, and performs connectivity tests to various endpoints. No personal information is stored, and all testing is done locally in your browser. The tool only collects network connectivity data necessary for accurate testing.
How can I improve my IPv6 connectivity score?
Contact your Internet Service Provider to enable IPv6 support, ensure your router firmware supports IPv6 and is properly configured, check firewall settings to allow IPv6 traffic, verify that ICMPv6 messages are not blocked, and consider updating network equipment if it lacks IPv6 support.
What do the different test results mean?
Green results indicate successful connectivity, yellow shows partial functionality with potential issues, and red indicates failures that need attention. The overall score combines all test results to give you a comprehensive view of your IPv6 readiness, with 10/10 being perfect dual-stack connectivity.
How often should I run IPv6 connectivity tests?
Run tests after network configuration changes, when experiencing connectivity issues, before deploying IPv6 services, or periodically to monitor your network's IPv6 health. Regular testing helps identify issues early and ensures consistent performance as your network evolves.
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