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-rw-r--r--ntpd/ntp.conf.html28
1 files changed, 26 insertions, 2 deletions
diff --git a/ntpd/ntp.conf.html b/ntpd/ntp.conf.html
index 15632da..7ab25e3 100644
--- a/ntpd/ntp.conf.html
+++ b/ntpd/ntp.conf.html
@@ -33,7 +33,7 @@ Up:&nbsp;<a rel="up" accesskey="u" href="#dir">(dir)</a>
<p>This document describes the configuration file for the NTP Project's
<code>ntpd</code> program.
- <p>This document applies to version 4.2.7p482 of <code>ntp.conf</code>.
+ <p>This document applies to version 4.2.8p2 of <code>ntp.conf</code>.
<div class="shortcontents">
<h2>Short Contents</h2>
@@ -403,6 +403,19 @@ in order to avoid accidental or malicious disruption in this mode,
both the server and client should operate using symmetric-key or
public-key authentication as described in
<a href="#Authentication-Options">Authentication Options</a>.
+<br><dt><code>mdnstries</code> <kbd>number</kbd><dd>If we are participating in mDNS,
+after we have synched for the first time
+we attempt to register with the mDNS system.
+If that registration attempt fails,
+we try again at one minute intervals for up to
+<code>mdnstries</code>
+times.
+After all,
+<code>ntpd</code>
+may be starting before mDNS.
+The default value for
+<code>mdnstries</code>
+is 5.
</dl>
<div class="node">
<p><hr>
@@ -2450,7 +2463,7 @@ holds
the names of all peer variables and the
<code>clock_var_list</code>
holds the names of the reference clock variables.
-<br><dt><code>tinker</code> <code>[allan </code><kbd>allan</kbd><code> | dispersion </code><kbd>dispersion</kbd><code> | freq </code><kbd>freq</kbd><code> | huffpuff </code><kbd>huffpuff</kbd><code> | panic </code><kbd>panic</kbd><code> | step </code><kbd>srep</kbd><code> | stepout </code><kbd>stepout</kbd><code>]</code><dd>This command can be used to alter several system variables in
+<br><dt><code>tinker</code> <code>[allan </code><kbd>allan</kbd><code> | dispersion </code><kbd>dispersion</kbd><code> | freq </code><kbd>freq</kbd><code> | huffpuff </code><kbd>huffpuff</kbd><code> | panic </code><kbd>panic</kbd><code> | step </code><kbd>step</kbd><code> | stepback </code><kbd>stepback</kbd><code> | stepfwd </code><kbd>stepfwd</kbd><code> | stepout </code><kbd>stepout</kbd><code>]</code><dd>This command can be used to alter several system variables in
very exceptional circumstances.
It should occur in the
configuration file before any other configuration options.
@@ -2500,6 +2513,17 @@ adjustments will never occur.
Note: The kernel time discipline is
disabled if the step threshold is set to zero or greater than the
default.
+<br><dt><code>stepback</code> <kbd>stepback</kbd><dd>The argument is the step threshold for the backward direction,
+which by default is 0.128 s.
+It can
+be set to any positive number in seconds.
+If both the forward and backward step thresholds are set to zero, step
+adjustments will never occur.
+Note: The kernel time discipline is
+disabled if
+each direction of step threshold are either
+set to zero or greater than .5 second.
+<br><dt><code>stepfwd</code> <kbd>stepfwd</kbd><dd>As for stepback, but for the forward direction.
<br><dt><code>stepout</code> <kbd>stepout</kbd><dd>The argument is the stepout timeout, which by default is 900 s.
It can
be set to any positive number in seconds.