NTP issues in ISE 2.7

alinbaby · ‎11-11-2021

HI All - There are 6 ise nodes in our deployment and we are using 2 domain controllers (primary and secondary) as NTP servers. We are getting alarms for NTP sync failure in GUI frequently. When checking the 'sh ntp' in nodes cli, we are getting the '?' (connectivity lost) as the state of the servers but at the same time we are able to ping the servers. Server team also confirmed that the servers are up and healthy. Please suggest how to check on this further. Thanks in advance.

marce1000 · ‎11-11-2021

- Check if this particular bug-condition could apply :

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw78019

M.

-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

alinbaby · ‎11-11-2021

I was referring to the doc - https://www.cisco.com/c/en/us/support/docs/security/identity-services-engine/119371-technote-ise-00.html and the root dispersion value in our ise nodes are greater than 10. Could that be the possible issue and how can i resolve that?