They are backwards each time. Both Ciscos ate set to the same sources so strata should be the same but I will check.
-Ty On Mar 31, 2014 5:39 PM, "Scott Lambert" <[email protected]> wrote: > On Mon, Mar 31, 2014 at 03:02:37PM -0500, Ty Featherling wrote: > > I just went through my routers and was changing the NTP client settings. > I > > have NTP servers on both of my edge Cisco routers. I added both as > primary > > and secondary on all routers making sure to put the nearer router as > > primary on every one. Time and again I kept seeing the client report that > > it got it's update from the secondary server. The primary was available > and > > in many cases was many hops nearer with faster response to boot. Is this > > some bug I have discovered? These routers are more likely to lose contact > > with their secondary NTP server than the primary; that is why I set them > > that way. So why chose the 2nd over the 1st? > > The secondary may be at a lower (numerically) stratum because it's > reference clock is of a lower stratum. > > I don't know if MikroTik is running ntpd or just ntpdate on a schedule, > or if they are even using the ntp.org software at all. I think both > ntp.org based options chose the "best" server rather than caring about > the order in which the possible servers are specified. I believe > stratum 1 is considered "better" than stratum 2 even if there is a bit > more network delay to reach the stratum 1 server. > > Is it always the same Cisco being chosen? > > Can you take out the further away Cisco and get time from the nearer > Cisco? > > router-7204#show ntp status > Clock is synchronized, stratum 4, reference is xxx.yyy.34.40 > nominal freq is 250.0000 Hz, actual freq is 249.9955 Hz, precision is 2**18 > reference time is D6E468E3.2C713C80 (17:21:23.173 CDT Mon Mar 31 2014) > clock offset is 2.0125 msec, root delay is 90.61 msec > root dispersion is 41.40 msec, peer dispersion is 1.89 msec > > router-7204#show ntp associations > > address ref clock st when poll reach delay offset > disp > +~xxx.yyy.34.35 67.18.187.111 3 871 1024 377 0.5 5.73 > 1.4 > +~xxx.yyy.34.36 206.209.110.2 3 613 1024 377 0.7 -2.52 > 0.1 > *~xxx.yyy.34.40 71.19.144.130 3 603 1024 377 0.6 -0.89 > 0.7 > * master (synced), # master (unsynced), + selected, - candidate, ~ > configured > > Look at that output on both Ciscos and you will probably have your > answer. > > > -- > Scott Lambert KC5MLE Unix SysAdmin > [email protected] > _______________________________________________ > Mikrotik mailing list > [email protected] > http://mail.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.butchevans.com/pipermail/mikrotik/attachments/20140331/fd26db58/attachment.html> _______________________________________________ Mikrotik mailing list [email protected] http://mail.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
