You can do it in broadcast mode, but I am not sure it works, or has even been tried on a WAN. Broadcast mode was solid as a rock on my LAN for more than a year, especially after I started using GB Ethernet.
I don't use broadcast mode now after switching to using FreeNAS as a time server, it addition to its other duties. Charles Elliott > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On > Behalf Of Rob > Sent: Wednesday, September 10, 2014 3:34 AM > To: [email protected] > Subject: Re: [ntp:questions] Compensating for asymmetric delay on a > per-peer/server basis? > > Rich Wales <[email protected]> wrote: > > Replying to "Rob": > > > >> Yes, you can use: fudge 1.2.3.4 time1 -0.002 or similar. > >> see the manual. > > > > This didn't work. And the following error message appeared in my > syslog: > > > > inappropriate address 10.0.229.163 for the fudge command, > > line ignored > > > > As best I can tell from the online manual, the "fudge" command is > > defined only for local reference clocks and has no effect on peers or > > servers. > > Ok you are right. In fact I filed bug #2598 myself for a similar > situation... In my case I wanted to compensate for the delay > asymmetry > for external users using my GPS reference via my ADSL line. So I would > like to apply such a fudge command to a network interface, not to a > peer server. > > I forgot that it is not even possible to apply it to a server, what you > would like to do. I think the only thing you can do is apply an offset > to your GPS and live with the fact that you are always 2ms off. At > least then you don't have a time wander when you switch to your backup > and the external users of your system get the correct time. That is > what I did as a workaround until someone fixes this in ntpd. > > _______________________________________________ > questions mailing list > [email protected] > http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
