[ntp:questions] poll interval - Clarification! - RFC compliancequestion

David L. Mills mills at udel.edu
Thu Jun 19 19:48:25 UTC 2008


Steve,

The poll interval backs off if the configured server has not been heard 
for ten intervals, then the interval doubles for each poll until 
reaching 1024 s. This is designed to reduce the network load if nobody 
is home.

Dave

Steve Kostecke wrote:

> On 2008-06-17, Anton Persson A <anton.a.persson at ericsson.com> wrote:
> 
> 
>>The poll interval is 64 to 1024, seconds. ntpd starts up, locks on
>>target, stays synchronized for a while, then we pull the plug.
> 
> 
> What are you trying to prove by "pulling the plug"?
> 
> 
>>The poll interval is at this time still 64 seconds, how long should it
>>take to step up the interval to 128 seconds for a completely failed
>>link?
> 
> 
> Why would you expect the poll interval to change if ntpd is not
> receiving replies to polls?
> 




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