[time-nuts] Legal Time dissemination

Miguel Barbosa Gonçalves m at mbg.pt
Tue May 28 09:25:36 EDT 2013

Hi Jason!

On 28 May 2013 13:56, Jason Rabel <jason at extremeoverclocking.com> wrote:

> I would do a traceroute and see if the path is the same going to both
> servers, that can eliminate some variables.

They are on the same network and the path is the same.

> Beyond that it would take some detective work on their side. It could be
> the hardware for each machine is different. Different poll
> lengths. Different server loads. Different NTP versions. Different antenna
> locations and one is getting some interference.
> You can try doing a: ntpq -c rv (remote ip) to see if you can query the
> stats of the remote machines, that might give you some clues
> as to what's going on.

They've disabled the queries on their servers. These are stratum 2 servers
asking time from other 4 stratum 1 servers which are in turn connected to
GPS receivers and cesium clocks. This is what they've told me a while ago...


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