Thursday, December 6, 2018

NTP slowly going out of sync

We have an ASA-5525 pointed to an internal NTP server on our Windows domain controller and at first it will sync times correctly but after a couple days the time on the ASA will be behind by a couple minutes. Same behavior happens on other network devices as well (branch routers and switches, telepresence devices).

Was also wondering if its better to use internal or external NTP servers, or both? If a circuit goes down then devices could use a secondary internal NTP as a backup.. would like to hear how you guys have it set up on your network :)



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