Cisco Headend System Release 2.7 Installation Guide
Configuring the NTP
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8 Use the vi editor to edit the ntp.conf file so that the first lines contain an entry for
each NTP server that you choose to use.
Example:
Example:
server dncsatm mode 10 prefer
server 127.127.1.0 #local clock will engage if GPS fails
fudge dncsatm stratum 13
driftfile /etc/ntp.drift
Note: Simply replace the IP address with the NTP server name defined in the
/etc/hosts file.
/etc/hosts file.
9 Type
:wq!
to save these changes and exit the vi editor.
10 Type
/etc/init.d/xntpd stop
and press Enter to stop the ntpd process.
11 Type
/etc/init.d/xntpd start
and press Enter to re-start the ntpd process.
12 Type
pgrep -fl ntp
and press Enter to verify the ntpd process is running.
Example:
29840 /usr/local/xntpd/ntpd -c /etc/inet/ntp.conf -p /etc/ntp.pid -l
/var/adm/log/ntp
13 Type
ntpq
and press Enter to display the ntpq prompt.
14 Type
peers
and press Enter to verify the DNCS is the clock being used.
Example:
remote refid st t when poll reach delay offset disp
=================================================================== ===
LOCAL(0) LOCAL(0) 5 l 21 64 377 0.00 0.000 0.94
*dncsatm 10.90.176.136 4 u 28 64 377 1.46 -15.339 0.94
Notes:
The appearance and content of the results will vary according to your System
release version.
release version.
The asterisk (*) in front of the dncsatm (as shown in the above example)
indicates that the DTACS is using the DNCS ATM as a reference clock and
that the DTACS server is synchronized to the DNCS.
indicates that the DTACS is using the DNCS ATM as a reference clock and
that the DTACS server is synchronized to the DNCS.
Important: If the asterisk (*) is in front of LOCAL, then the DTACS is not
synchronized to the DNCS. It is synchronized with the hardware clock on the
server. This situation must be corrected immediately.
synchronized to the DNCS. It is synchronized with the hardware clock on the
server. This situation must be corrected immediately.