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Here is the config example:
set sla-fail-log-period <x>
set sla-pass-log-period <y>
<sla-fail-log-period> Enter an integer value from <0> to <3600> <----- Log frequency in seconds.
For example:
config sys sdwan
(sdwan) # config health-check
(health-check) # edit SLA
(SLA) # set sla-fail-log-period 30
(SLA) # set sla-pass-log-period 30
(SLA) # end
It is possible to enable the SLA fails and SLA pass log with the above configuration for a specific Performance SLA.
Once configured, FortiGate will store the SLA information at the frequency defined in the configuration.
FortiGate will keep the logs for 10 minutes. For longer retention, we should have an external storage like FortiAnalyzer.
View the stored SLA logs via CLI:
dia sys sdwan sla-log <name> <seq-num>
To display the SLA logs per interface, use the below command:
diag sys sdwan intf-sla-log <name>
Here is an example:
dia sys sdwan sla-log SLA 1
Timestamp: Thu Sep 14 08:31:14 2023, vdom root, health-check SLA, interface: port9, status: down, latency: 0.000, jitter: 0.000, packet loss: 100.000%, mos: 0.000.
Timestamp: Thu Sep 14 08:31:14 2023, vdom root, health-check SLA, interface: port9, status: down, latency: 0.000, jitter: 0.000, packet loss: 100.000%, mos: 0.000.
nitrogen-kvm82 # diag sys sdwan intf-sla-log port9
Timestamp: Thu Sep 14 08:34:01 2023, used inbandwidth: 40bps, used outbandwidth: 42bps, used bibandwidth: 82bps, tx bytes: 370742bytes, rx bytes: 712567bytes.
Timestamp: Thu Sep 14 08:34:11 2023, used inbandwidth: 80bps, used outbandwidth: 21bps, used bibandwidth: 101bps, tx bytes: 370742bytes, rx bytes: 712820bytes.
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