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arm: add more text describing interaction between automatic-interface-scan and interface-interval

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This commit is contained in:
Ondřej Surý
2019-10-30 14:38:17 -05:00
parent f7eea400a8
commit e0618174b6
1 changed files with 18 additions and 11 deletions
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29
doc/arm/Bv9ARM-book.xml
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@@ -5441,15 +5441,21 @@ options {
<term><command>automatic-interface-scan</command></term>
<listitem>
<para>
If <userinput>yes</userinput> and supported by the OS,
automatically rescan network interfaces when the interface
addresses are added or removed. The default is
<userinput>yes</userinput>.
If <userinput>yes</userinput> and supported by the operating
system, automatically rescan network interfaces when the
interface addresses are added or removed. The default is
<userinput>yes</userinput>. This configuration option does
not affect time based <command>interface-interval</command>
option, and it is recommended to set the time based
<command>interface-interval</command> to 0 when the operator
confirms that automatic interface scanning is supported by the
operating system.
</para>
<para>
Currently the OS needs to support routing sockets for
<command>automatic-interface-scan</command> to be
supported.
The <command>automatic-interface-scan</command> implementation
uses routing sockets for the network interface discovery,
and therefore the operating system has to support the routing
sockets for this feature to work.
</para>
</listitem>
</varlistentry>
@@ -8443,10 +8449,11 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
minutes. The default
is 60 minutes. The maximum value is 28 days (40320 minutes).
If set to 0, interface scanning will only occur when
the configuration file is loaded. After the scan, the
server will
begin listening for queries on any newly discovered
interfaces (provided they are allowed by the
the configuration file is loaded, or when
<command>automatic-interface-scan</command> is enabled
and supported by the operating system. After the scan, the
server will begin listening for queries on any newly
discovered interfaces (provided they are allowed by the
<command>listen-on</command> configuration), and
will stop listening on interfaces that have gone away.
For convenience, TTL-style time unit suffixes may be