Device is offline or unreachable
If the device is unreachable during the onboarding process, or at any point post-onboarding, Security Cloud Control displays an Unreachable connectivity status. The device will not be able to fully onboard to Security Cloud Control until the device is able to connect.
These scenarios might be the cause:
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The device is cabled incorrectly.
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Your network may require a static IP address for the device.
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Your network uses custom DNS, or there is external DNS blocking the network.
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If your device is associated with the European region (https://defenseorchestrator.eu/), you may need to enable PPPoE authentication.For other domains, review the domain requirements.
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The device may be blocked by a firewall, or is incorrectly blocking a port for connectivity. Review the device c-onboard-an-ftd-device-with-ftd-services.html#Cisco_Concept.dita_fac2c3d3-e112-4d6c-a254-e2e019c15e98__cdfmc_network and confirm the correct outgoing ports are enabled.