[ntp:questions] orphan parent

Miernik, Jerzy (Jerzy) jerzy.miernik at alcatel-lucent.com
Wed Oct 20 18:22:32 UTC 2010

Steve, thanks.
I have a two-node network ----- 

Each ntp.conf contains a line 'tos orphan 10'. 
Each node had GPS but lost it. Local clocks (LCL) not configured.
'ntpg -np' in shows this:

remote           refid        st ....
*    10 ....

'ntpg -np' in shows this:

remote           refid        st ....
*   10  ....

So orphan parent looks to be the rightmost
By implication, orphan child must be

Two things puzzle me though: 

1. It looks like is getting time reference via from itself? Should not show in its remote column? And something in refid?

2. What really is a physical clock in this network? None of the nodes has local clock configured in ntp.conf, GPS clocks are down, yet both nodes remain in sync. What's the magic inside ntpd?


-----Original Message-----
From: questions-bounces+jerzy.miernik=alcatel-lucent.com at lists.ntp.org [mailto:questions-bounces+jerzy.miernik=alcatel-lucent.com at lists.ntp.org] On Behalf Of Steve Kostecke
Sent: Wednesday, October 20, 2010 12:11 PM
To: questions at lists.ntp.org
Subject: Re: [ntp:questions] orphan parent

On 2010-10-20, Miernik, Jerzy (Jerzy) <jerzy.miernik at alcatel-lucent.com> wrote:

> Is there a way to know that ntpds are working in orphan mode?

ntpd advertises a ref-id of when it has switched to orphan

You'll have to have access to the configuration file to see if an
arbitrary ntpd is configured to use orphan mode.

> Is there a way to identify which one is orphan parent?

Look for the ref-id of in 'ntpq -p'.

Steve Kostecke <kostecke at ntp.org>
NTP Public Services Project - http://support.ntp.org/

questions mailing list
questions at lists.ntp.org

More information about the questions mailing list