ntptrace man page on SmartOS

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ntptrace(1M)		System Administration Commands		  ntptrace(1M)

       ntptrace - trace a chain of NTP hosts back to their master time source

       /usr/sbin/ntptrace [-n] [-m maxhosts] [server]

       ntptrace	 determines  from  where  a  given Network Time Protocol (NTP)
       server gets its time, and follows the chain of	NTP  servers  back  to
       their master time source. If given no arguments, it starts with	local‐

       The following options are supported:

       -n	     Turns off the printing of host names;  instead,  host  IP
		     addresses are given.

       -m maxhosts   Sets  the maximum number of levels up the chain that will
		     be followed.

       Example 1 Sample Output From the ntptrace Command

       The following example shows the output from the ntptrace command:

	 % ntptrace

	  localhost: stratum 4, offset 0.0019529, synch distance 0.144135
	  server2.bozo.com: stratum 2, offset 0.0124263, synch distance 0.115784
	  usndh.edu: stratum 1, offset 0.0019298, synch distance 0.011993, refid 'WWVB'

       On each line, the fields are (left to right):

	   o	  The server's host name

	   o	  The server's stratum

	   o	  The time offset between that server and the local  host  (as
		  measured  by ntptrace; this is why it is not always zero for

	   o	  The host's synchronization distance

	   o	  The reference clock ID (only for stratum-1 servers)

       All times are given in seconds. Synchronization distance is  a  measure
       of the goodness of the clock's time.

       Source for ntptrace is available on http://src.opensolaris.org.

       See attributes(5) for descriptions of the following attributes:

       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       │Availability		     │service/network/ntp	   │
       │Interface Stability	     │Volatile			   │
       ntpq(1M), ntpd(1M), ntpdc(1M), attributes(5))


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