We been having a lot of NTP sync issues, so I am using check_ntp plugin from Nagios.
I am using Nagios 1.1 right now
I am using the check_ntp on a number of application servers down at a colo. The weird thing is, only 2 of the 5 servers are having no problems at reporting ntp, but the other three are,
It is reporting the following:
NTP CRITICAL: No suitable peer server found - Server for ntp probably down
Can anyone please help me on this?