Interpreting NTP status

[Steve Burton]

On 09/07/2017 15:39, Carmel NY wrote:
> A while back, I was receiving an error message about an outdated “leap
> second” file. I Googled around and found an article that said to put
> the following in the “rc.conf” file to correct the problem:
>
> # NTPD
> ntpd_enable="YES"
> ntpd_sync_on_start="YES"
> ntp_leapfile_fetch_verbose="YES"
> ntp_leapfile_sources=ftp://tycho.usno.navy.mil/pub/ntp/leap-seconds.list
>
> Then, I found another article that said to put this in the
> “/etc/periodic.conf” file get information on the NTPD program:
>
> # 480.leapfile-ntpd
> daily_ntpd_leapfile_enable="YES"        # Fetch NTP leapfile
> daily_ntpd_avoid_congestion="YES"       # Avoid congesting leapfile sources
>
> # 480.status-ntpd
> daily_status_ntpd_enable="YES"          # Check NTP status
>
> Now, in the “daily run output” email, I find this:
>
> NTP status:
>       remote           refid      st t when poll reach   delay   offset  jitter
> ==============================================================================
> +198.55.111.50   133.157.29.35    3 u  760 1024  377   87.913    5.793  18.418
> *192.155.90.13   142.66.101.13    2 u  264 1024  377   45.449   -2.235   2.925
>   2607:fa18::2407 .STEP.          16 u    - 1024    0    0.000    0.000   0.000
>
> I am hoping someone can tell me exactly what this means. I cannot find
> any documentation on how to interpret this.
>
Check man ntpq(8)

Steve.