Re: [ntp:questions] PPS via USB-to-serial adapter

2019-08-16 Thread Per Hedeland
In article Miroslav Lichvar writes: >On 2019-08-14, Per Hedeland wrote: >> Anyway, back to the FreeBSD post, it seems there are actually two >> questions: >> >> 1) Is the ~ 200 usec offset reported by ntpd really semi-constant (and >>thus "easy to deal with")? > >My understanding is that th

Re: [ntp:questions] PPS via USB-to-serial adapter

2019-08-16 Thread Per Hedeland
In article Miroslav Lichvar writes: >On 2019-08-11, Per Hedeland wrote: >> https://lists.freebsd.org/pipermail/freebsd-usb/2019-August/016078.html >> >> TL;DR^2 The author carried out a pretty sophisticated (IMHO) test with >> two different USB-to-serial adapters feeding PPS to ntpd, and found

Re: [ntp:questions] PPS via USB-to-serial adapter

2019-08-16 Thread Per Hedeland
In article Jakob Bohm writes: >On 11/08/2019 15:44, Per Hedeland wrote: >> Hi, >> >> Since the idea of using a USB-to-serial adapter for PPS is often >> dismissed here as more or less pointless/useless, (due to the inherent >> delays in the USB communication AFAIU), I found this recent post to

Re: [ntp:questions] PPS via USB-to-serial adapter

2019-08-16 Thread Per Hedeland
In article Jakob Bohm writes: >On 13/08/2019 13:24, Per Hedeland wrote: >> In article Jakob Bohm > writes: >>> On 11/08/2019 15:44, Per Hedeland wrote: Hi, Since the idea of using a USB-to-serial adapter for PPS is often dismissed here as more or less pointless/useless, (due

Re: [ntp:questions] How to get a list of > 500 ntp clients

2019-08-16 Thread Chris Trevino
I'm using the stock ntp binary from centos 7.x and I'm seeing this: [ctrevino@ntp-eqix-sv5 ~]$ rpm -qa | grep ntp ntpdate-4.2.6p5-25.el7.centos.2.x86_64 ntp-4.2.6p5-25.el7.centos.2.x86_64 [ctrevino@ntp-eqix-sv5 ~]$ [ctrevino@ntp-eqix-sv5 ~]$ [ctrevino@ntp-eqix-sv5 ~]$ ntpq -c mru ***Command `mru'