[ntp:questions] ntp orphan mode without manycast or multicast or broadcast ?

David L. Mills mills at udel.edu
Thu Oct 14 17:17:34 UTC 2010

Jerzy ,

See the online documentation at www.ntp.org. The release notes page has 
a link to a tutorial on orphan mode. Note the online documentation 
applies to the latest development version; the feature may or may not 
appear in the release versioin.


Miernik, Jerzy (Jerzy) wrote:

>Orphan Mode description related to NTP Version 4 Release Notes does not require either manycast or multicast or broadcast to be configured. Is it then possible to have ntpd get into orphan mode, in a mesh, with just unicasts?
>I think it should be possible to configure several servers in each client and all clients in each server, peer servers in servers, all IP addresses unicast, to have orphan mode operational, if needed. Servers could be of stratum lower by 1 than clients.
>1. Could I get an expert comment if this would work?
>2. Has anyone ever tried such a multi-unicast addressing for orphan mode?
>3. If unicast addresses of servers are ordered in ntp.conf in ascending order of hop numbers, would ntpd try the closest servers before trying more distant ones?
>4. If I still may, any config examples? Or something to avoid?
>Best regards,
>questions mailing list
>questions at lists.ntp.org

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