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man: reword the descriptions of VXLAN DestinationPort= and PortRange=

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The usual: "empty string" is meaningless in this context. We are not assigning
DestinationPort="". Just say "unset".

Fixes #17240.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-10-05 14:23:19 +02:00
parent e0c60bf6a0
commit e6fd398d61
1 changed files with 5 additions and 9 deletions
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14
man/systemd.netdev.xml
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@ -711,20 +711,16 @@
<varlistentry>
<term><varname>DestinationPort=</varname></term>
<listitem>
<para>Configures the default destination UDP port on a per-device basis.
If destination port is not specified then Linux kernel default will be used.
Set destination port 4789 to get the IANA assigned value. If not set or if the
destination port is assigned the empty string the default port of 4789 is used.</para>
<para>Configures the default destination UDP port. If the destination port is not specified then
Linux kernel default will be used. Set to 4789 to get the IANA assigned value.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>PortRange=</varname></term>
<listitem>
<para>Configures VXLAN port range. VXLAN bases source
UDP port based on flow to help the receiver to be able
to load balance based on outer header flow. It
restricts the port range to the normal UDP local
ports, and allows overriding via configuration.</para>
<para>Configures the source port range for the VXLAN. The kernel assigns the source UDP port based
on the flow to help the receiver to do load balancing. When this option is not set, the normal
range of local UDP ports is used.</para>
</listitem>
</varlistentry>
<varlistentry>