| Description | This article describes an issue where the SD-WAN Performance SLA status shows a '?' instead of UP or DOWN. |
| Scope | FortiGate. |
| Solution |
The screenshot below shows that Performance SLA status displays a '?':
Collect the link monitor debug:
diagnose debug app link-monitor -1
Refer to the example output showing only necessary log details: lnkmtd::ping_socket_set(115): <----- Failure to connect the ping socket for the monitor.
This issue can be fixed by restarting the 'lnkmtd' process. To restart the process, use the following command:
fnsysctl killall lnkmtd
Or find the process ID (PID) with the following command:
diagnose sys process pidof <PROCESS_NAME> diagnose sys kill 11 <pid>
Once this is done, the performance SLA will display the right status as shown below: |
