[ntp:questions] Manycast

David Mills mills at udel.edu
Thu Dec 3 03:55:05 UTC 2009


Evandro,

I see nothing wrong. Review the meaninf of the when column in ntpq.

Dave

Evandro Menezes wrote:

>Additionally, it seems that even though the poll is stated to be
>1024s, it's actually reached every 64s:
>
>     remote           refid      st t when poll reach   delay
>offset  jitter
>==============================================================================
> NTP.MCAST.NET   .ACST.          16 u    -   64    0    0.000
>0.000   0.002
>+foo             29.46.4.151      2 u   62 1024  377    0.202
>-2.712   0.249
>*bar             29.46.4.151      2 u   62 1024  377    0.189
>-3.117   0.207
>
>And then, a few seconds later:
>
>     remote           refid      st t when poll reach   delay
>offset  jitter
>==============================================================================
> NTP.MCAST.NET   .ACST.          16 u    -   64    0    0.000
>0.000   0.002
>+foo             29.46.4.151      2 u    2 1024  377    0.202
>-2.712   0.249
>*bar             29.46.4.151      2 u    2 1024  377    0.189
>-3.117   0.207
>
>What gives?
>
>TIA
>
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