diff options
Diffstat (limited to 'man/systemd.network.xml')
| -rw-r--r-- | man/systemd.network.xml | 128 |
1 files changed, 120 insertions, 8 deletions
diff --git a/man/systemd.network.xml b/man/systemd.network.xml index adfe1ac9b3..b2e1d40287 100644 --- a/man/systemd.network.xml +++ b/man/systemd.network.xml @@ -204,6 +204,12 @@ understood to the base of 1024.</para> </listitem> </varlistentry> + <varlistentry> + <term><varname>IAID=</varname></term> + <listitem> + <para>Identity Association Identifier for the interface, a 32-bit unsigned integer.</para> + </listitem> + </varlistentry> </variablelist> </refsect1> @@ -270,8 +276,10 @@ <term><varname>IPv6Token=</varname></term> <listitem> <para>An IPv6 address with the top 64 bits unset. When set, indicates the - 64-bit interface part of SLAAC IPv6 addresses for this link. By default, - it is autogenerated.</para> + 64-bit interface part of SLAAC IPv6 addresses for this link. Note that + the token is only ever used for SLAAC, and not for DHCPv6 addresses, even + in the case DHCP is requested by router advertisement. By default, the + token is autogenerated.</para> </listitem> </varlistentry> <varlistentry> @@ -335,18 +343,42 @@ <varlistentry> <term><varname>LLDP=</varname></term> <listitem> - <para>A boolean. When true, enables LLDP link receive support. + <para>Controls support for Ethernet LLDP packet reception. LLDP is a link-layer protocol commonly + implemented on professional routers and bridges which announces which physical port a system is connected + to, as well as other related data. Accepts a boolean or the special value + <literal>routers-only</literal>. When true, incoming LLDP packets are accepted and a database of all LLDP + neighbors maintained. If <literal>routers-only</literal> is set only LLDP data of various types of routers + is collected and LLDP data about other types of devices ignored (such as stations, telephones and + others). If false, LLDP reception is disabled. Defaults to <literal>routers-only</literal>. Use + <citerefentry><refentrytitle>networkctl</refentrytitle><manvolnum>1</manvolnum></citerefentry> to query the + collected neighbor data. LLDP is only available on Ethernet links. See <varname>EmitLLDP=</varname> below + for enabling LLDP packet emission from the local system. </para> </listitem> </varlistentry> <varlistentry> + <term><varname>EmitLLDP=</varname></term> + <listitem> + <para>Controls support for Ethernet LLDP packet emission. Accepts a boolean parameter and defaults to + false. If enabled a short LLDP packet with information about the local system is sent out in regular + intervals on the link. The LLDP packet will contain information about the local host name, the local + machine ID (as stored in + <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>) and the + local interface name, as well as the pretty hostname of the system (as set in + <citerefentry><refentrytitle>machine-info</refentrytitle><manvolnum>5</manvolnum></citerefentry>). LLDP + emission is only available on Ethernet links. Note that this setting passed data suitable for + identification of host to the network and should thus not be used on untrusted networks, where such + identification data should not be made available. Use this option to enable other systems to identify on + which interface they are connected to this system. See <varname>LLDP=</varname> above for an option to + enable LLDP reception.</para> + </listitem> + </varlistentry> + <varlistentry> <term><varname>BindCarrier=</varname></term> <listitem> - <para>A port or a list of ports. When set, controls the - behavior of the current interface. When all ports in the list - are in an operational down state, the current interface is brought - down. When at least one port has carrier, the current interface - is brought up. + <para>A link name or a list of link names. When set, controls the behavior of the current + link. When all links in the list are in an operational down state, the current link is brought + down. When at least one link has carrier, the current interface is brought up. </para> </listitem> </varlistentry> @@ -798,6 +830,86 @@ </refsect1> <refsect1> + <title>[DUID] Section Options</title> + + <para>This section configures the DHCP Unique Idendifier (DUID) value used by DHCP + protocol. DHCPv6 client protocol sends the DHCP Unique Identifier and the interface + Identity Association Identifier (IAID) to a DHCP server when acquiring a dynamic IPv6 + address. DHCPv4 client protocol sends IAID and DUID to the DHCP server when acquiring + a dynamic IPv4 address if <option>ClientIdentifier=duid</option>. IAID and DUID allows a + DHCP server to uniquely identify the machine and the interface requesting a DHCP IP.</para> + + <para>The DUID value specified here overrides the DUID that systemd-networkd generates + using the machine-id from the <filename>/etc/machine-id</filename> file, as well as the + global DUID that may be specified in <citerefentry><refentrytitle>networkd.conf + </refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para> + + <para>The configured DHCP DUID should conform to the specification in + <ulink url="http://tools.ietf.org/html/rfc3315#section-9">RFC 3315</ulink>, + <ulink url="http://tools.ietf.org/html/rfc6355">RFC 6355</ulink>.</para> + + <para>The following options are available in <literal>[DUID]</literal> section:</para> + + <variablelist class='network-directives'> + + <varlistentry> + <term><varname>Type=</varname></term> + <listitem><para>The type of DUID specified in this section. The following values are + supported:</para> + <para>raw : If <literal>Type=raw</literal>, then <literal>RawData=</literal> specifies + the entire DUID. For e.g: <literal>RawData=00:02:00:00:ab:11:f9:2a:c2:77:29:f9:5c:00</literal> + specifies a 14 byte long DUID-EN ("00:02"), with enterprise number 43793 ("00:00:ab:11"), + and identifier value "f9:2a:c2:77:29:f9:5c:00".</para><para>If Type is not specified and + RawData is specified, Type defaults to 'raw'.</para> + <para>Type will support the following values in the future:</para> + <para>link-layer-and-time : If <literal>Type=link-layer-and-time</literal>, then + <literal>MACAddress=</literal> and <literal>TimeStamp=</literal> specify the hardware + address and time-stamp for DUID-LLT.</para> + <para>vendor : If <literal>Type=vendor</literal>, then <literal>EnterpriseNumber=</literal> + and <literal>RawData=</literal> specify the enterprise number and identifier for DUID-EN.</para> + <para>link-layer : If <literal>Type=link-layer</literal>, then <literal>MACAddress=</literal> + specifies the hardware address for DUID-LL.</para> + <para>uuid : If <literal>Type=uuid</literal>, then <literal>UUID=</literal> specifies DUID-UUID. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>RawData=</varname></term> + <listitem><para>Specifies the DUID bytes as a single newline-terminated, hexadecimal + string, with each byte separated by a ':'.</para></listitem> + </varlistentry> + + </variablelist> + </refsect1> + + <refsect1> + <para>The following options will be supported in the future: + </para> + <variablelist> + <varlistentry> + <term><varname>MACAddress=</varname></term> + <listitem><para>Specifies the link-layer address for DUID Type <option>link-layer + </option> or <option>link-layer-and-time</option>.</para></listitem> + </varlistentry> + <varlistentry> + <term><varname>TimeStamp=</varname></term> + <listitem><para>Specifies the DUID generation time for DUID Type <option> + link-layer-and-time</option>.</para></listitem> + </varlistentry> + <varlistentry> + <term><varname>EnterpriseNumber=</varname></term> + <listitem><para>Specifies the enterprise number for DUID Type <option> + vendor</option>.</para></listitem> + </varlistentry> + <varlistentry> + <term><varname>UUID=</varname></term> + <listitem><para>Specifies the UUID for DUID Type <option>uuid</option>.</para> + </listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> <title>[DHCPServer] Section Options</title> <para>The <literal>[DHCPServer]</literal> section contains settings for the DHCP server, if enabled via the |