The description of the event in CS Mars seems pretty self explanatory.
"This rule detects reporting devices that have not reported an event in the last hour. For chatty devices such as firewalls and IDS, this may indicate connectivity issues or an issue with the device themselves. This rule should be scoped down to only include chatty network infrastructure devices. "
If you wouldn't expect much traffic from this device then I wouldn't worry about it and I would tune the alert to not fire for the device. If you would, then its time to start troubleshooting.
BenefitsDocumentationPrerequisiteImage Download LinksLimitationsSupported PlatformsLicense RequirementsTopologyStep-By-Step ConfigurationConfigure Virtual ServiceActivate the virtual service and configure guest IPsConfiguring UTD (Service Plane)Configurin...
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
Check the current version availa...
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...