Cloud Managed Networks

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  • 1.  Global Cloud Auth from US tenant

    Posted Aug 29, 2025 06:22 AM

    Has anyone had issues running Cloud Auth globally when using a US hosted Central instance.  I know Central has no issues with monitoring and management of devices globally from a single Central instance, however I imagine there would be more sensitivity to latency when running Cloud Auth since RADIUS will time out if it takes too long to complete an authentication.  I couldn't find any documentation on the requirements here, but what would be the considerations if running cloud auth with EntraID for all sites globally?  Any issues?

    Thanks



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  • 2.  RE: Global Cloud Auth from US tenant

    Posted Aug 29, 2025 07:40 PM

    The main recommendation for EAP-auth is that the round-trip latency between the NAD and the authentication servers not exceed 250 ms.

    Here you can find the resiliency testing that was done with Central NAC
    Central-NAC-Onboard - 802.1X Authentication Resilience to Latency



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