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author | wollman <wollman@FreeBSD.org> | 1994-02-03 22:09:07 +0000 |
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committer | wollman <wollman@FreeBSD.org> | 1994-02-03 22:09:07 +0000 |
commit | 394ee3bae890775188c4812249fc996cb7cc0abe (patch) | |
tree | 6264e1a9edb32ef88fffee8f460175549f1b556f /usr.sbin/xntpd/doc | |
parent | 8e51e9f1429efc498f923bce8b25b20f47d7c075 (diff) | |
download | FreeBSD-src-394ee3bae890775188c4812249fc996cb7cc0abe.zip FreeBSD-src-394ee3bae890775188c4812249fc996cb7cc0abe.tar.gz |
xntpd version 3.3z from UDel
Diffstat (limited to 'usr.sbin/xntpd/doc')
-rw-r--r-- | usr.sbin/xntpd/doc/xntpd.8 | 71 |
1 files changed, 61 insertions, 10 deletions
diff --git a/usr.sbin/xntpd/doc/xntpd.8 b/usr.sbin/xntpd/doc/xntpd.8 index b021019..ff6386e 100644 --- a/usr.sbin/xntpd/doc/xntpd.8 +++ b/usr.sbin/xntpd/doc/xntpd.8 @@ -74,6 +74,12 @@ xntpd - Network Time Protocol daemon ] [ .B -t .I trustedkey +] [ +.B -v +.I variable +] [ +.B -V +.I variable ] .SH DESCRIPTION .I Xntpd @@ -140,6 +146,10 @@ to be used when synchronizing to broadcasts specify a directory to be used for creating statistics files .Ip -t 8 add a key number to the trusted key list +.Ip -v 8 +add a system variable +.Ip -V 8 +add a system variable listed by default .SH "CONFIGURATION FILE OPTIONS" .IR Xntpd 's configuration file is relatively free format. Comments, which may be @@ -494,6 +504,31 @@ This command is obsolete and not available in this version of This command is obsolete and not available in this version of .I xntpd. .PP +.B setvar +.I variable +.I [default] +.PP +This command adds an additional system variable. These variables can be +used to distribute additional information such as the access policy. If +the variable of the from <name>=<value> is followed by the +.I default +keyword the variable will be listed as part of the default system +variables (ntpq rv command). These additional variables serve informational +purposes only. They are not related to the protocol other that they can be +listed. The known protocol variables will always overide any variables defined +via the +.I setvar +mechanism. +.PP +There are three special variables that contain the names of all variable of +the same group. The +.I sys_var_list +holds the names of all system variables. The +.I peer_var_list +holds the names of all peer variables and the +.I clock_var_list +hold the names of the reference clock variables. +.PP .B resolver .I /path/xntpres .PP @@ -1093,9 +1128,13 @@ fudge factor defines the phase offset of the sychnronisation character to the ac time. On the availability of PPS information the .I time2 -fudge factor show the difference betwteen the PPS time stamp and the reception -time stamp of the serial signal. This parameter is read only attempts to -set this parameter will be ignored. +fudge factor defines the skew between the PPS time stamp and the reception +time stamp of the PPS signal. This parameter is usually 0 as usually +the PPS signal is believed in time and OS delays should be corrected +in the machine specific section of the kernel driver. +.I time2 +needs only be set when the actial PPS signal is delayed for some +reason. The .I flag0 enables input filtering. This a median filter with continuous sampling. The @@ -1109,13 +1148,25 @@ from the receiver. Otherwise the leap second will be added (which is the default .I ntpq timecode variable .PP -The timecode variable in the ntpq read clock variable command contains several -fields. The first field is the local time in Unix format. The second field is -the offset to UTC (format HHMM). The currently active receiver flags are listed -next. Additional feature flags of the receiver are optionally listed in paranthesis. -The actual time code is enclosed in angle brackets < >. A qualification of the -decoded time code format is following the time code. The last piece of information -is the overall running time and the accumulated times for the clock event states. +The ntpq read clock variables command list several variables. These +hold followinf information: +.I refclock_time +is the local time with the offset to UTC (format HHMM). +The currently active receiver flags are listed in +.I refclock_status. +Additional feature flags of the receiver are optionally listed in paranthesis. +The actual time code is listed in +.I timecode. +A qualification of the decoded time code format is following in +.I refclock_format. +The last piece of information is the overall running time and the accumulated +times for the clock event states in +.I refclock_states. +When PPS information is present additional variable are available. +.I refclock_ppstime +lists then the PPS timestamp and +.I refclock_ppsskew +lists the difference between RS232 derived timestamp and the PPS timestamp. .PP Unit encoding .PP |