[ntp:questions] Help with Testing NTP servers

David Taylor david-taylor at blueyonder.co.uk.invalid
Thu Mar 21 16:54:15 UTC 2013

On 20/03/2013 14:19, srinivas v wrote:
> hi ntp-questions,
> I am quite new to testing and I am asked to tests time with two different NTP servers
> I would need you help and advice
> If there is already someone who has tested it please do let me know
> Here is what I have thought of.
> 1. Check time with first timeserver
> steps:
> 1.Install Operating system (say windows)
> 2.Set incorrect date
> 3.set ntp server
> 4.Check date is proper now (verify it with google)
> check time sync
> 2.Check time with 2 NTP servers
> steps:
> 1.Set incorrect date
> 2.Set NTP server1
> 3.Change timezone and change date again
> 4.Set NTP server 2
> 5.Check time is synced back to normal
> any other suggestion / advice / points which I need to consider while I test NTP?
> thanks
> srinivas


I think you may be making things too complicated.  I would suggest 
install NTP, and follow the very simple checks described here:


If you get problems which are not covered in the troubleshooting 
section, come back here and ask.  Note that NTP is designed to work with 
several time servers, so use the pool command as described here:


With just two servers, NTP will never know which is correct!  Would you?
Web: http://www.satsignal.eu

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