Rich Wales <[email protected]> wrote:
> Is there a way to compensate for asymmetric delay to/from one specific
> peer or server?
>
> My home LAN is connected to my school's network via a cable modem.
> There appears to be a consistent asymmetry of 2-3 msec between my home
> and the school's network.  I can see this by comparing the time on
> my home server (which is synced to a local GPS) with the time on the
> school servers (which are synced to on-campus GPSes).
>
> I would like to be able to use the campus network as a backup time
> source for my home LAN, but only if I can somehow compensate for the
> asymmetry introduced by the cable modem infrastructure.
>
> The asymmetry does not appear to be traffic-dependent; I see pretty
> much the same offset (between 2 and 3 msec) at any time, day or night.
>
> I'm running NTP version [email protected].
>
> Rich Wales
> [email protected]

Yes, you can use:

fudge 1.2.3.4 time1 -0.002

or similar.   see the manual.

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