ntp server configuration

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ntptrace

ntptrace(1)						      General Commands Manual						       ntptrace(1)

NAME

       ntptrace - trace a chain of NTP servers back to the primary source

SYNOPSIS

       ntptrace [ -vdn ] [ -r retries  ] [ -t timeout  ] [ server  ]

DESCRIPTION

       ntptrace   determines  where  a	given  Network Time Protocol (NTP) server gets its time from, and follows the chain of NTP servers back to
       their master time source. If given no arguments, it starts with localhost . Here is an example of the output from ntptrace :

       % ntptrace localhost: stratum 4, offset 0.0019529, synch distance 0.144135 server2ozo.com: stratum  2,  offset  0.0124263,  synch  distance
       0.115784  usndh.edu:  stratum  1,  offset  0.0019298, synch distance 0.011993, refid On each line, the fields are (left to right): the host
       name, the host stratum, the time offset between that host and the local host (as measured by ntptrace ; this is why it is not  always  zero
       for " localhost "), the host synchronization distance, and (only for stratum-1 servers) the reference clock ID. All times are given in sec-
       onds. Note that the stratum is the server hop count to the primary source, while the synchronization distance is the estimated error  rela-
       tive to the primary source. These terms are precisely defined in RFC-1305.

OPTIONS

       -d      Turns on some debugging output.

       -n      Turns off the printing of host names; instead, host IP addresses are given. This may be useful if a nameserver is down.

       -r      retries Sets the number of retransmission attempts for each host (default = 5).

       -t      timeout Sets the retransmission timeout (in seconds) (default = 2).

       -v      Prints verbose information about the NTP servers.

BUGS

       This program makes no attempt to improve accuracy by doing multiple samples.

SEE ALSO

       More documentation is available in the package ntp-doc.

AUTHOR

       David L. Mills <mills@udel.edu>

ntp 4.1.1b-r5															       ntptrace(1)

Solaris