On 2012-11-16, Jun Hu <[email protected]> wrote: > > Hi David > > > You've only lost three of the last 8 samples from that server. > > > > ---> where do you get that ? the "reach" value or other ?
Yes. One bit for each of the last 8 polls. Three bits are zero, and 5 bits are 1 (indicating reply received) > >> From: [email protected] >> To: [email protected] >> Date: Fri, 16 Nov 2012 11:38:26 +0000 >> Subject: Re: [ntp:questions] why does asterisk still show after the ntp >> server is shutdown? >> >> Jun Hu wrote: >> >> > >> > remote refid st t when poll reach >> > delay offset jitter >> > ============================================================================== >> > *192.168.227.148 LOCAL(0) 12 u 197 64 370 0.205 >> > 36.638 2.993 >> > >> > >> > >> > >> > My expected is that the "*" should be disappeared after Server A >> > shutdown , Is it right? >> > >> > >> > why does asterisk still show after the ntp server is shutdown? >> >> You've only lost three of the last 8 samples from that server. You will >> have to wait until there are rather less recent samples available before >> it gets disqualified. >> >> Also, I have a feeling that, if it is the only one, it may stay selected >> until the root dispersion grows too large, as it was the last valid >> system peer and the estimated error is still acceptable (downstream >> systems can make their own judgements, based on root dispersion, as to >> whether or not to trust it). >> >> _______________________________________________ >> questions mailing list >> [email protected] >> http://lists.ntp.org/listinfo/questions _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
