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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: Re: [chrony-users] '?' = unusable
- From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
- Date: Tue, 25 Apr 2023 09:38:38 +0200
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On Mon, Apr 24, 2023 at 08:04:11AM -0400, Brian Cook wrote:
> MS Name/IP address Stratum Poll Reach LastRx Last sample
> ===============================================================================
> ^? time.cloudflare.com 0 10 0 - +0ns[ +0ns] +/-
> 0ns
> ^- ohio.time.system76.com 2 10 0 545m -1165us[-1094us] +/-
> 32ms
> ^? clock.nyc.he.net 2 10 0 544m -15us[ -51us] +/-
> 35ms
How long after the last entry in the logs (2023-04-24 02:36:28) was
this command executed?
What does chronyc activity and selectdata print?
It's not clear to me if chronyd stopped sending requests or the
responses are getting lost. There might be a network issue. Some ISPs
block or rate limit longer NTP packets.
> chronyc -N authdata
> Name/IP address Mode KeyID Type KLen Last Atmp NAK Cook CLen
> =========================================================================
> time.cloudflare.com NTS 3 15 256 243m 0 0 2 100
> ohio.time.system76.com NTS 5 15 256 122m 4 0 0 0
> 209.51.161.238 - 0 0 0 - 0 0 0 0
>
> (this looks normal.. but)
>
> last.. 243m? 122m?
That's the last NTS-KE session. If there is no packet loss, "Cook"
should be 8 and "Last" should go up to 30 days.
--
Miroslav Lichvar
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