[ntp:questions] Is there a document that describes the recommandation for configuring ntp ?

Thierry MARTIN thierry-martin at ifrance.com
Wed Feb 13 14:04:24 UTC 2008


This looks like what I was looking for.

Thank you.


Martin Burnicki a écrit :
> Hi Thierry,
> 
> Thierry MARTIN wrote:
>> Hi all,
>>
>> Many of you kindly answered my previous questions, thanks a lot for that.
>>
>> Now I realise that I got a lot of "tips", that might be included in a
>> "recommandations" doc.
>>
>> So my quesiton becomes:
>>
>> Is there a document that describes the recommandation for configuring ntp?
> 
> The best place to look is the NTP support wiki at
> http://support.ntp.org/bin/view/Support/
> which covers many aspects of NTP configuration.
>  
>> I mean -for instance-, it seems that "everybody" here knows that a
>> configuration with only two ntp sources should be avoided; so is there a
>> doc where I can find this kind of information?
> 
> This particular topic is covered at
> http://support.ntp.org/bin/view/Support/SelectingOffsiteNTPServers#Section_5.3.3.
> 
> That section also teaches why even 3 time sources may not be appropriate,
> and using at least 4 is a better choice.
> 
> Martin




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