MCLAG configuration

1. Connect in CLI to Disti2.



2. Enable MCLAG-ICL on the trunk toward Disti-1.



3. Which will result in the following confirmation at log level:



4. Connect to the Disti-1 in the CLI:



5. Enable MCLAG-ICL on the trunk toward Disti-2.





6. Disable the split interface from FortiLink and enable automatic authorization.



7. Close the loop from the Disti-2 to the second port of the FortiLink LAG of the FortiGate Master.



8. Resulting FortiSwitch presentation:



9. You can validate the consistency at the MCLAG level using the following command:



10. Several other commands allow you to diagnose the feature:
    • On FortiGate: diagnose netlinkaggregate name fortilink
    • On FortiSwitch Disti: diagnose switch trunk list __FoRtI1LiNk0__
    • On FortiSwitch Disti: diagnose switch mclag list __FoRtI1LiNk0__
    • On FortiSwitch Disti: diagnose switch mclag icl