Towli schrieb: > Hello all > > We're testing a DCF77 appliance box (EMC professional from > www.gude.info), which every now and the looses its connection to the > DCF77 signal and switches over to quartz mode. Upon doing this, our test > switch looses its sync to it, and considers it a stratum 11 server > instead of a stratum 1. The switch also has configured an "ordinary" > stratum 5 windows-server, and it seems to me that it uses this one, when > the appliance box is seen as being stratum 11 (and syslog says the > switch lost ntp-sync to the stratum 11 appliance box, but syncs back > when the DCF77 signal is restored). > > Will a switch allways use the lower stratum server? Can i stop the > switch from synching with other servers (when the dcf box looses its > signal and runs in the otherwise reliable quarts-mode), while still > having a backup ntp server configured in case the appliance bos goes > down? Is a constant sync important or is it ok for the switch to synch > with different servers 'along the way'? > > I thank you all for your kindness so far. >
Hi Towli, I know NTP appliances that allow you to configure the stratum level of the unit when it is in holdover/free running mode. There is a good chance that the Gude box allows for the same. Did you check that with their technical support? Regards, Heiko _______________________________________________ questions mailing list [email protected] https://lists.ntp.org/mailman/listinfo/questions
