[Application prerequisites] or [Requirements before proceeding]
C:\>nslookup scctime
Server: sysdev-dc5.sysdev.adroot.bmogc.net
Address: 172.17.112.101
Non-authoritative answer:
Name: ntp-sprap1.srv.bmogc.net
Address: 10.33.37.19
Aliases: scctime.bmogc.net
C:\>nslookup bcctime
Server: sysdev-dc5.sysdev.adroot.bmogc.net
Address: 172.17.112.101
Non-authoritative answer:
Name: ntp-bprap1.srv.bmogc.net
Address: 10.225.227.57
Aliases: bcctime.bmogc.net.
root@vsasdv16[/]date
Fri Apr 3 14:59:00 EDT 2009
The SCC time server
root@vsasdv16[/]ntpdate -d 10.33.37.19
3 Apr 14:59:00 ntpdate[675966]: 3.4y
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
server 10.33.37.19, port 123
stratum 1, precision -18, leap 00, trust 000
refid [GPS], delay 0.02795, dispersion 0.00012
transmitted 4, in filter 4
reference time: cd80dc7d.ffe65510 Fri, Apr 3 2009 15:05:33.999
originate timestamp: cd80dc81.ab3e0124 Fri, Apr 3 2009 15:05:37.668
transmit timestamp: cd80daf5.0e6f9000 Fri, Apr 3 2009 14:59:01.056
filter delay: 0.02895 0.02814 0.02824 0.02795
0.00000 0.00000 0.00000 0.00000
filter offset: 396.6109 396.6112 396.6110 396.6113
0.000000 0.000000 0.000000 0.000000
delay 0.02795, dispersion 0.00012
offset 396.611321
3 Apr 14:59:01 ntpdate[675966]: step time server 10.33.37.19 offset 396.611321
The BCC time server
root@vsasdv16[/]ntpdate -d 10.225.227.57
3 Apr 14:59:14 ntpdate[675976]: 3.4y
transmit(10.225.227.57)
receive(10.225.227.57)
transmit(10.225.227.57)
receive(10.225.227.57)
transmit(10.225.227.57)
receive(10.225.227.57)
transmit(10.225.227.57)
receive(10.225.227.57)
transmit(10.225.227.57)
server 10.225.227.57, port 123
stratum 1, precision -18, leap 00, trust 000
refid [GPS], delay 0.02806, dispersion 0.00023
transmitted 4, in filter 4
reference time: cd80dc86.157e20a6 Fri, Apr 3 2009 15:05:42.083
originate timestamp: cd80dc8f.0060ddcf Fri, Apr 3 2009 15:05:51.001
transmit timestamp: cd80db02.62fb4000 Fri, Apr 3 2009 14:59:11.386
filter delay: 0.03065 0.02806 0.02815 0.02835
0.00000 0.00000 0.00000 0.00000
filter offset: 396.6123 396.6128 396.6128 396.6134
0.000000 0.000000 0.000000 0.000000
delay 0.02806, dispersion 0.00023
offset 396.612804
3 Apr 14:59:14 ntpdate[675976]: step time server 10.225.227.57 offset 396.612804
Notes: If you get the message, "no server suitable for synchronization found", verify that no firewalls are blocking port 123.
root@oraps03[/]ntpdate -d 10.33.37.19
14 Apr 15:11:17 ntpdate[696334]: 3.4y
transmit(10.33.37.19)
transmit(10.33.37.19)
transmit(10.33.37.19)
transmit(10.33.37.19)
transmit(10.33.37.19)
server 10.33.37.19, port 123
stratum 0, precision 0, leap 00, trust 000
refid [0.0.0.0], delay 0.00000, dispersion 61.00000
transmitted 4, in filter 4
reference time: 00000000.00000000 Thu, Feb 7 2036 1:28:16.000
originate timestamp: 00000000.00000000 Thu, Feb 7 2036 1:28:16.000
transmit timestamp: cd8f5e58.d2785000 Tue, Apr 14 2009 15:11:20.822
filter delay: 0.00000 0.00000 0.00000 0.00000
0.00000 0.00000 0.00000 0.00000
filter offset: 0.000000 0.000000 0.000000 0.000000
0.000000 0.000000 0.000000 0.000000
delay 0.00000, dispersion 61.00000
offset 0.000000
14 Apr 15:11:21 ntpdate[696334]: no server suitable for synchronization found
root@vsasdv16[/]date
Fri Apr 3 15:05:44 EDT 2009
root@vsasdv16[/]ntpdate 10.33.37.19
3 Apr 15:12:34 ntpdate[659710]: step time server 10.33.37.19 offset 396.611147
root@vsasdv16[/]date
Fri Apr 3 15:12:35 EDT 2009
root@vsasdv16[/]ntpdate -d 10.33.37.19
3 Apr 15:12:53 ntpdate[327852]: 3.4y
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
server 10.33.37.19, port 123
stratum 1, precision -18, leap 00, trust 000
refid [GPS], delay 0.02776, dispersion 0.00165
transmitted 4, in filter 4
reference time: cd80de35.092bf62a Fri, Apr 3 2009 15:12:53.035
originate timestamp: cd80de35.20c154cb Fri, Apr 3 2009 15:12:53.127
transmit timestamp: cd80de35.1f371000 Fri, Apr 3 2009 15:12:53.121
filter delay: 0.03293 0.03253 0.02776 0.03424
0.00000 0.00000 0.00000 0.00000
filter offset: 0.002702 0.001972 0.000240 0.001673
0.000000 0.000000 0.000000 0.000000
delay 0.02776, dispersion 0.00165
offset 0.000240
3 Apr 15:12:53 ntpdate[327852]: adjust time server 10.33.37.19 offset 0.000240
root@vsasdv16[/]ntpdate -d 10.33.37.19
14 Apr 14:56:08 ntpdate[405604]: 3.4y
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
receive(10.33.37.19)
transmit(10.33.37.19)
server 10.33.37.19, port 123
stratum 1, precision -18, leap 00, trust 000
refid [GPS], delay 0.02644, dispersion 0.00005
transmitted 4, in filter 4
reference time: cd8f5abb.8d1045ab Tue, Apr 14 2009 14:55:55.551
originate timestamp: cd8f5ac8.9bb09f91 Tue, Apr 14 2009 14:56:08.608
transmit timestamp: cd8f5ac8.9ba06000 Tue, Apr 14 2009 14:56:08.607
filter delay: 0.02684 0.02644 0.02655 0.02654
0.00000 0.00000 0.00000 0.00000
filter offset: -0.00010 -0.00031 -0.00039 -0.00026
0.000000 0.000000 0.000000 0.000000
delay 0.02644, dispersion 0.00005
offset -0.000315
14 Apr 14:56:08 ntpdate[405604]: adjust time server 10.33.37.19 offset -0.000315
root@vsasdv16[/]vi /etc/ntp.conf
#broadcastclient
server 10.33.37.19
driftfile /etc/ntp.drift
tracefile /etc/ntp.trace
root@vsasqa16[/etc]startsrc -s xntpd
0513-059 The xntpd Subsystem has been started. Subsystem PID is 106738.
NOTE: If the server runs databases, use the -x flag to prevent the clock from changing in a negative direction. Enter the following:
startsrc -s xntpd -a "-x"
root@vsasdv16[/]vi /etc/rc.tcpip
# Start up Network Time Protocol (NTP) daemon
start /usr/sbin/xntpd "$src_running"
root@vsasdv16[/]lssrc -ls xntpd
Program name: /usr/sbin/xntpd
Version: 3
Leap indicator: 00 (No leap second today.)
Sys peer: 10.33.37.19
Sys stratum: 2
Sys precision: -17
Debug/Tracing: DISABLED
Root distance: 0.001389
Root dispersion: 0.000870
Reference ID: 10.33.37.19
Reference time: cd8f5d51.3a7a7000 Tue, Apr 14 2009 15:06:57.228
Broadcast delay: 0.003906 (sec)
Auth delay: 0.000122 (sec)
System flags: pll monitor filegen
System uptime: 1062 (sec)
Clock stability: 3.500000 (sec)
Clock frequency: 0.000000 (sec)
Peer: 10.33.37.19
flags: (configured)(sys peer)
stratum: 1, version: 3
our mode: client, his mode: server
Subsystem Group PID Status
xntpd tcpip 188560 active
NOTE: Sys peer should display the IP address or name of your xntp server. This process may take up to 12 minutes.