diff options
Diffstat (limited to 'man/systemd.netdev.xml')
| -rw-r--r-- | man/systemd.netdev.xml | 103 |
1 files changed, 76 insertions, 27 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml index a5c6f0fa40..ffb66e735b 100644 --- a/man/systemd.netdev.xml +++ b/man/systemd.netdev.xml @@ -58,31 +58,38 @@ <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>. </para> - <para>Virtual Network Device files must have the extension - <filename>.netdev</filename>; other extensions are ignored. - Virtual network devices are created as soon as networkd is - started. If a netdev with the specified name already exists, - networkd will use that as-is rather than create its own. Note that - the settings of the pre-existing netdev will not be changed by + <para>The main Virtual Network Device file must have the extension <filename>.netdev</filename>; + other extensions are ignored. Virtual network devices are created as soon as networkd is + started. If a netdev with the specified name already exists, networkd will use that as-is rather + than create its own. Note that the settings of the pre-existing netdev will not be changed by networkd.</para> - <para>The <filename>.netdev</filename> files are read from the - files located in the system network directory - <filename>/usr/lib/systemd/network</filename>, the volatile - runtime network directory - <filename>/run/systemd/network</filename> and the local - administration network directory - <filename>/etc/systemd/network</filename>. All configuration files - are collectively sorted and processed in lexical order, regardless - of the directories in which they live. However, files with - identical filenames replace each other. Files in - <filename>/etc</filename> have the highest priority, files in - <filename>/run</filename> take precedence over files with the same - name in <filename>/usr/lib</filename>. This can be used to - override a system-supplied configuration file with a local file if - needed. As a special case, an empty file (file size 0) or symlink - with the same name pointing to <filename>/dev/null</filename> - disables the configuration file entirely (it is "masked").</para> + <para>The <filename>.netdev</filename> files are read from the files located in the system + network directory <filename>/usr/lib/systemd/network</filename>, the volatile runtime network + directory <filename>/run/systemd/network</filename> and the local administration network + directory <filename>/etc/systemd/network</filename>. All configuration files are collectively + sorted and processed in lexical order, regardless of the directories in which they live. + However, files with identical filenames replace each other. Files in <filename>/etc</filename> + have the highest priority, files in <filename>/run</filename> take precedence over files with + the same name in <filename>/usr/lib</filename>. This can be used to override a system-supplied + configuration file with a local file if needed. As a special case, an empty file (file size 0) + or symlink with the same name pointing to <filename>/dev/null</filename> disables the + configuration file entirely (it is "masked").</para> + + <para>Along with the netdev file <filename>foo.netdev</filename>, a "drop-in" directory + <filename>foo.netdev.d/</filename> may exist. All files with the suffix <literal>.conf</literal> + from this directory will be parsed after the file itself is parsed. This is useful to alter or + add configuration settings, without having to modify the main configuration file. Each drop-in + file must have appropriate section headers.</para> + + <para>In addition to <filename>/etc/systemd/network</filename>, drop-in <literal>.d</literal> + directories can be placed in <filename>/usr/lib/systemd/network</filename> or + <filename>/run/systemd/network</filename> directories. Drop-in files in + <filename>/etc</filename> take precedence over those in <filename>/run</filename> which in turn + take precedence over those in <filename>/usr/lib</filename>. Drop-in files under any of these + directories take precedence over the main netdev file wherever located. (Of course, since + <filename>/run</filename> is temporary and <filename>/usr/lib</filename> is for vendors, it is + unlikely drop-ins should be used in either of those places.)</para> </refsect1> <refsect1> @@ -163,7 +170,10 @@ <entry>A virtual extensible LAN (vxlan), for connecting Cloud computing deployments.</entry></row> <row><entry><varname>vrf</varname></entry> - <entry>A Virtual Routing and Forwarding (<ulink url="https://www.kernel.org/doc/Documentation/networking/vrf.txt">VRF</ulink>) interface to create separate routing and forwarding domains.</entry></row> + <entry>A Virtual Routing and Forwarding (<ulink url="https://www.kernel.org/doc/Documentation/networking/vrf.txt">VRF</ulink>) interface to create separate routing and forwarding domains.</entry></row> + + <row><entry><varname>vcan</varname></entry> + <entry>The virtual CAN driver (vcan). Similar to the network loopback devices, vcan offers a virtual local CAN interface.</entry></row> </tbody> </tgroup> @@ -315,6 +325,26 @@ </listitem> </varlistentry> <varlistentry> + <term><varname>AgeingTimeSec=</varname></term> + <listitem> + <para>This specifies the number of seconds a MAC Address will be kept in + the forwarding database after having a packet received from this MAC Address.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><varname>Priority=</varname></term> + <listitem> + <para>The priority of the bridge. An integer between 0 and 65535. A lower value + means higher priority. The bridge having the lowest priority will be elected as root bridge.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><varname>DefaultPVID=</varname></term> + <listitem> + <para>This specifies the default port VLAN ID of a newly attached bridge port.</para> + </listitem> + </varlistentry> + <varlistentry> <term><varname>MulticastQuerier=</varname></term> <listitem> <para>A boolean. This setting controls the IFLA_BR_MCAST_QUERIER option in the kernel. @@ -343,8 +373,15 @@ </para> </listitem> </varlistentry> + <varlistentry> + <term><varname>STP=</varname></term> + <listitem> + <para>A boolean. This enables the bridge's Spanning Tree Protocol (STP). When unset, + the kernel's default setting applies. + </para> + </listitem> + </varlistentry> </variablelist> - </refsect1> <refsect1> @@ -500,7 +537,7 @@ </listitem> </varlistentry> <varlistentry> - <term><varname>UDPCheckSum=</varname></term> + <term><varname>UDPChecksum=</varname></term> <listitem> <para>A boolean. When true, transmitting UDP checksums when doing VXLAN/IPv4 is turned on.</para> </listitem> @@ -512,11 +549,23 @@ </listitem> </varlistentry> <varlistentry> - <term><varname>UDP6ZeroCheckSumRx=</varname></term> + <term><varname>UDP6ZeroChecksumRx=</varname></term> <listitem> <para>A boolean. When true, receiving zero checksums in VXLAN/IPv6 is turned on.</para> </listitem> </varlistentry> + <varlistentry> + <term><varname>RemoteChecksumTx=</varname></term> + <listitem> + <para>A boolean. When true, remote transmit checksum offload of VXLAN is turned on.</para> + </listitem> + </varlistentry> + <varlistentry> + <term><varname>RemoteChecksumRx=</varname></term> + <listitem> + <para>A boolean. When true, remote receive checksum offload in VXLAN is turned on.</para> + </listitem> + </varlistentry> <varlistentry> <term><varname>GroupPolicyExtension=</varname></term> <listitem> |