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Operating Systems Solaris "synchronisation lost" errors for Solaris NTP server Post 303042024 by MadeInGermany on Wednesday 11th of December 2019 12:28:45 PM
Old 12-11-2019
No, poll is the poll interval.
When there is a good and reliable peer for a long time then ntpd will double the poll interval.

So a small poll interval means there is high dispersion(=jitter).

Your bad device is the 172.28.42.204 that is still at the initial 16000 dispersion.
Please test connectivity with
Code:
ping -s 172.28.42.204 1400 100

The default values in ntp.conf are okay.
You should be more worried about security, and add a restriction like
Code:
restrict default notrap nomodify nopeer noquery
restrict 127.0.0.1

(As a quick alternative to a replacement of ntpd with chronyd.)
 

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SESD(8) 						    BSD System Manager's Manual 						   SESD(8)

NAME
sesd -- monitor SCSI Environmental Services Devices SYNOPSIS
sesd [-d] [-t poll-interval] device [device ...] DESCRIPTION
sesd monitors SCSI Environmental Services (or SAF-TE) devices for changes in state and logs such changes changes to the system error logger (see syslogd(8)). At least one device must be specified. When no other options are supplied, sesd detaches and becomes a daemon, by default waking up every 30 seconds to poll each device for a change in state. The following options may be used: -d Instead of detaching and becoming a daemon, stay attached to the controlling terminal and log changes there as well as via the system logger. -p poll-interval Change the interval of polling from the default 30 seconds to the number of seconds specified. The user may then use getencstat(8) to get more detailed information about the state of the over enclosure device or objects within the enclosure device. FILES
/dev/sesN SCSI Environmental Services Devices SEE ALSO
ses(4), getencstat(8), setencstat(8), setobjstat(8), syslogd(8) BUGS
This is something of a toy, but it is better than nothing. BSD
February 21, 2000 BSD
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