[time-nuts] time-c-b.nist.gov replaces time-c.timefreq.bldrdoc.gov on Oct. 5th

[Steve Sullivan]

Steve Sullivan here at Network Time Foundation. NIST actually contacted us to ask where to distribute this information, which we in turn put out on the NTF Blog, social media (Facebook and LinkedIn) and emailed the support at ntp.org list and the NTF members list. By that time, there was a notice up on the Time & Freq page. I am actually surprised it was completed so quickly as mid-November was the expected completion date. I can include the time-nuts list next time we have general community info/notices like this.

While it might be a late based on what you shared, feel free to share this link https://nwtime.org/urgent-notice-users-nist-internet-time-service/ as the notice is still up on the NIST Time & Freq. page with a mid-November completion date.

Steve Sullivan
Network Time Foundation

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Steven Sommars
Sent: Thursday, November 2, 2017 5:56 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] time-c-b.nist.gov replaces time-c.timefreq.bldrdoc.gov on Oct. 5th

Judging by http://tf.nist.gov/tf-cgi/servers.cgi, the current round of NIST server changes is complete.
All of the new servers now respond to requests from my NTP client.

A number of NIST and USNO ( http://tycho.usno.navy.mil/NTP/ ) sites are no longer supported.



On Tue, Oct 3, 2017 at 1:10 AM, Andreas Ott <aott01 at gmail.com> wrote:

> This is relevant for operators pointing to NTP servers from NIST, and 
> I saw this announcement only by chance on
>
> http://tf.nist.gov/tf-cgi/servers.cgi
>
> *On October 5th time-c-b.nist.gov <http://time-c-b.nist.gov> (new IP
> 132.163.96.3) will replace time-c.timefreq.bldrdoc.gov 
> <http://time-c.timefreq.bldrdoc.gov> (IP 132.163.4.103) which will be 
> turned off on that date*.
>
> Please update your ntp.conf file on or after October 5th. It appears 
> that this is a hard cutover on that date as the new server is not yet 
> responding.
>
> Note that there are IP address changes coming for 
> time-a.timefreq.bldrdoc.gov, time-b.timefreq.bldrdoc.gov and 
> time-d.boulder.nist.gov, but I can't see the dates for these yet.
>
> I don't know if there is a place where an announcement notice of these 
> service changes would be published by NIST, if you know one, please reply.
> It is not mentioned on the Internet Time Service page.
>
> Thanks,
> -andreas (K6OTT)
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