man/systemd.network.xml

   1 <?xml version='1.0'?> <!--*-nxml-*-->
   2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
   3   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
   4
   5 <!--
   6   This file is part of systemd.
   7
   8   Copyright 2013 Tom Gundersen
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 -->
  23
  24 <refentry id="systemd.network" conditional='ENABLE_NETWORKD'>
  25
  26   <refentryinfo>
  27     <title>systemd.network</title>
  28     <productname>systemd</productname>
  29
  30     <authorgroup>
  31       <author>
  32         <contrib>Developer</contrib>
  33         <firstname>Tom</firstname>
  34         <surname>Gundersen</surname>
  35         <email>teg@jklm.no</email>
  36       </author>
  37     </authorgroup>
  38   </refentryinfo>
  39
  40   <refmeta>
  41     <refentrytitle>systemd.network</refentrytitle>
  42     <manvolnum>5</manvolnum>
  43   </refmeta>
  44
  45   <refnamediv>
  46     <refname>systemd.network</refname>
  47     <refpurpose>Network configuration</refpurpose>
  48   </refnamediv>
  49
  50   <refsynopsisdiv>
  51     <para><filename><replaceable>network</replaceable>.network</filename></para>
  52   </refsynopsisdiv>
  53
  54   <refsect1>
  55     <title>Description</title>
  56
  57     <para>Network setup is performed by
  58     <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
  59     </para>
  60
  61     <para>Network files must have the extension
  62     <filename>.network</filename>; other extensions are ignored.
  63     Networks are applied to links whenever the links appear.</para>
  64
  65     <para>The <filename>.network</filename> files are read from the
  66     files located in the system network directory
  67     <filename>/usr/lib/systemd/network</filename>, the volatile
  68     runtime network directory
  69     <filename>/run/systemd/network</filename> and the local
  70     administration network directory
  71     <filename>/etc/systemd/network</filename>. All configuration files
  72     are collectively sorted and processed in lexical order, regardless
  73     of the directories in which they live. However, files with
  74     identical filenames replace each other. Files in
  75     <filename>/etc</filename> have the highest priority, files in
  76     <filename>/run</filename> take precedence over files with the same
  77     name in <filename>/usr/lib</filename>. This can be used to
  78     override a system-supplied configuration file with a local file if
  79     needed; a symlink in <filename>/etc</filename> with the same name
  80     as a configuration file in <filename>/usr/lib</filename>, pointing
  81     to <filename>/dev/null</filename>, disables the configuration file
  82     entirely.</para>
  83
  84   </refsect1>
  85
  86   <refsect1>
  87     <title>[Match] Section Options</title>
  88
  89       <para>The network file contains a <literal>[Match]</literal>
  90       section, which determines if a given network file may be applied
  91       to a given device; and a <literal>[Network]</literal> section
  92       specifying how the device should be configured. The first (in
  93       lexical order) of the network files that matches a given device
  94       is applied.</para>
  95
  96       <para>A network file is said to match a device if each of the
  97       entries in the <literal>[Match]</literal> section matches, or if
  98       the section is empty. The following keys are accepted:</para>
  99
 100       <variablelist class='network-directives'>
 101         <varlistentry>
 102           <term><varname>MACAddress=</varname></term>
 103           <listitem>
 104             <para>The hardware address.</para>
 105           </listitem>
 106         </varlistentry>
 107         <varlistentry>
 108           <term><varname>Path=</varname></term>
 109           <listitem>
 110             <para>The persistent path, as exposed by the udev
 111             property <literal>ID_PATH</literal>. May contain shell
 112             style globs.</para>
 113           </listitem>
 114         </varlistentry>
 115         <varlistentry>
 116           <term><varname>Driver=</varname></term>
 117           <listitem>
 118             <para>The driver currently bound to the device, as
 119             exposed by the udev property <literal>DRIVER</literal>
 120             of its parent device, or if that is not set the driver
 121             as exposed by <literal>ethtool -i</literal> of the
 122             device itself.</para>
 123           </listitem>
 124         </varlistentry>
 125         <varlistentry>
 126           <term><varname>Type=</varname></term>
 127           <listitem>
 128             <para>The device type, as exposed by the udev property
 129             <literal>DEVTYPE</literal>.</para>
 130           </listitem>
 131         </varlistentry>
 132         <varlistentry>
 133           <term><varname>Name=</varname></term>
 134           <listitem>
 135             <para>The device name, as exposed by the udev property
 136             <literal>INTERFACE</literal>. May contain shell style
 137             globs.</para>
 138           </listitem>
 139         </varlistentry>
 140         <varlistentry>
 141           <term><varname>Host=</varname></term>
 142           <listitem>
 143             <para>Matches against the hostname or machine ID of the
 144             host. See <literal>ConditionHost=</literal> in
 145             <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
 146             for details.
 147             </para>
 148           </listitem>
 149         </varlistentry>
 150         <varlistentry>
 151           <term><varname>Virtualization=</varname></term>
 152           <listitem>
 153             <para>Checks whether the system is executed in a virtualized
 154             environment and optionally test whether it is a specific
 155             implementation. See <literal>ConditionVirtualization=</literal> in
 156             <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
 157             for details.
 158             </para>
 159           </listitem>
 160         </varlistentry>
 161         <varlistentry>
 162           <term><varname>KernelCommandLine=</varname></term>
 163           <listitem>
 164             <para>Checks whether a specific kernel command line option is
 165             set (or if prefixed with the exclamation mark unset). See
 166             <literal>ConditionKernelCommandLine=</literal> in
 167             <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
 168             for details.
 169             </para>
 170           </listitem>
 171         </varlistentry>
 172         <varlistentry>
 173           <term><varname>Architecture=</varname></term>
 174           <listitem>
 175             <para>Checks whether the system is running on a specific
 176             architecture. See <literal>ConditionArchitecture=</literal> in
 177             <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
 178             for details.
 179             </para>
 180           </listitem>
 181         </varlistentry>
 182       </variablelist>
 183
 184   </refsect1>
 185
 186   <refsect1>
 187     <title>[Link] Section Options</title>
 188
 189     <para> The <literal>[Link]</literal> section accepts the following keys:</para>
 190
 191     <variablelist class='network-directives'>
 192       <varlistentry>
 193         <term><varname>MACAddress=</varname></term>
 194         <listitem>
 195           <para>The hardware address.</para>
 196         </listitem>
 197       </varlistentry>
 198       <varlistentry>
 199         <term><varname>MTUBytes=</varname></term>
 200         <listitem>
 201           <para>The maximum transmission unit in bytes to set for the
 202           device. The usual suffixes K, M, G, are supported and are
 203           understood to the base of 1024.</para>
 204         </listitem>
 205       </varlistentry>
 206     </variablelist>
 207   </refsect1>
 208
 209   <refsect1>
 210     <title>[Network] Section Options</title>
 211
 212       <para>The <literal>[Network]</literal> section accepts the following keys:</para>
 213
 214       <variablelist class='network-directives'>
 215         <varlistentry>
 216           <term><varname>Description=</varname></term>
 217           <listitem>
 218             <para>A description of the device. This is only used for
 219             presentation purposes.</para>
 220           </listitem>
 221         </varlistentry>
 222         <varlistentry>
 223           <term><varname>DHCP=</varname></term>
 224           <listitem>
 225             <para>Enables DHCPv4 and/or DHCPv6 support. Accepts
 226             <literal>yes</literal>, <literal>no</literal>,
 227             <literal>ipv4</literal>, or <literal>ipv6</literal>.</para>
 228           </listitem>
 229         </varlistentry>
 230         <varlistentry>
 231           <term><varname>DHCPServer=</varname></term>
 232           <listitem>
 233             <para>A boolean. Enables a basic DHCPv4 server on the
 234             device. Mostly useful for handing out leases to container
 235             instances.</para>
 236           </listitem>
 237         </varlistentry>
 238         <varlistentry>
 239           <term><varname>IPv4LL=</varname></term>
 240           <listitem>
 241             <para>A boolean. When true, enables IPv4 link-local support.
 242             </para>
 243           </listitem>
 244         </varlistentry>
 245         <varlistentry>
 246           <term><varname>IPv4LLRoute=</varname></term>
 247           <listitem>
 248             <para>A boolean. When true, sets up the route needed for
 249             non-IPv4LL hosts to communicate with IPv4LL-only hosts. Defaults
 250             to false.
 251             </para>
 252           </listitem>
 253         </varlistentry>
 254         <varlistentry>
 255           <term><varname>LLMNR=</varname></term>
 256           <listitem>
 257             <para>A boolean or <literal>resolve</literal>. When true, enables
 258             Link-Local Multicast Name Resolution on the link, when set to
 259             <literal>resolve</literal> only resolution is enabled, but not
 260             announcement. Defaults to true.</para>
 261           </listitem>
 262         </varlistentry>
 263         <varlistentry>
 264           <term><varname>LLDP=</varname></term>
 265           <listitem>
 266             <para>A boolean. When true, enables LLDP link receive support.
 267             </para>
 268           </listitem>
 269         </varlistentry>
 270         <varlistentry>
 271           <term><varname>Address=</varname></term>
 272           <listitem>
 273             <para>A static IPv4 or IPv6 address and its prefix length,
 274             separated by a <literal>/</literal> character. Specify
 275             this key more than once to configure several addresses.
 276             The format of the address must be as described in
 277             <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
 278             This is a short-hand for an [Address] section only
 279             containing an Address key (see below). This option may be
 280             specified more than once.
 281             </para>
 282
 283             <para>If the specified address is 0.0.0.0 (for IPv4) or
 284             [::] (for IPv6), a new address range of the requested size
 285             is automatically allocated from a system-wide pool of
 286             unused ranges. The allocated range is checked against all
 287             current network interfaces and all known network
 288             configuration files to avoid address range conflicts. The
 289             default system-wide pool consists of 192.168.0.0/16,
 290             172.16.0.0/12 and 10.0.0.0/8 for IPv4, and fc00::/7 for
 291             IPv6. This functionality is useful to manage a large
 292             number of dynamically created network interfaces with the
 293             same network configuration and automatic address range
 294             assignment.</para>
 295
 296           </listitem>
 297         </varlistentry>
 298         <varlistentry>
 299           <term><varname>Gateway=</varname></term>
 300           <listitem>
 301             <para>The gateway address, which must be in the format
 302             described in
 303             <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
 304             This is a short-hand for a [Route] section only containing
 305             a Gateway key. This option may be specified more than
 306             once.</para>
 307           </listitem>
 308         </varlistentry>
 309         <varlistentry>
 310           <term><varname>DNS=</varname></term>
 311           <listitem>
 312             <para>A DNS server address, which must be in the format
 313             described in
 314             <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
 315             This option may be specified more than once.</para>
 316           </listitem>
 317         </varlistentry>
 318         <varlistentry>
 319           <term><varname>Domains=</varname></term>
 320           <listitem>
 321             <para>The domains used for DNS resolution over this link.</para>
 322           </listitem>
 323         </varlistentry>
 324         <varlistentry>
 325           <term><varname>NTP=</varname></term>
 326           <listitem>
 327             <para>An NTP server address. This option may be specified more than once.</para>
 328           </listitem>
 329         </varlistentry>
 330         <varlistentry>
 331           <term><varname>IPForward=</varname></term>
 332           <listitem><para>Configures IP forwarding for the network
 333           interface. If enabled incoming packets on the network
 334           interface will be forwarded to other interfaces according to
 335           the routing table. Takes either a boolean argument, or the
 336           values <literal>ipv4</literal> or <literal>ipv6</literal>,
 337           which only enables IP forwarding for the specified address
 338           family.</para></listitem>
 339         </varlistentry>
 340         <varlistentry>
 341           <term><varname>IPMasquerade=</varname></term>
 342           <listitem><para>Configures IP masquerading for the network
 343           interface. If enabled packets forwarded from the network
 344           interface will be appear as coming from the local host.
 345           Takes a boolean argument. Implies
 346           <varname>IPForward=yes</varname>.</para></listitem>
 347         </varlistentry>
 348         <varlistentry>
 349           <term><varname>Bridge=</varname></term>
 350           <listitem>
 351             <para>The name of the bridge to add the link to.</para>
 352           </listitem>
 353         </varlistentry>
 354         <varlistentry>
 355           <term><varname>Bond=</varname></term>
 356           <listitem>
 357             <para>The name of the bond to add the link to.</para>
 358           </listitem>
 359         </varlistentry>
 360         <varlistentry>
 361           <term><varname>VLAN=</varname></term>
 362           <listitem>
 363             <para>The name of a VLAN to create on the link. This
 364             option may be specified more than once.</para>
 365           </listitem>
 366         </varlistentry>
 367         <varlistentry>
 368           <term><varname>MACVLAN=</varname></term>
 369           <listitem>
 370             <para>The name of a MACVLAN to create on the link. This
 371             option may be specified more than once.</para>
 372           </listitem>
 373         </varlistentry>
 374         <varlistentry>
 375           <term><varname>VXLAN=</varname></term>
 376           <listitem>
 377             <para>The name of a VXLAN to create on the link. This
 378             option may be specified more than once.</para>
 379           </listitem>
 380         </varlistentry>
 381         <varlistentry>
 382           <term><varname>Tunnel=</varname></term>
 383           <listitem>
 384             <para>The name of a Tunnel to create on the link. This
 385             option may be specified more than once.</para>
 386           </listitem>
 387         </varlistentry>
 388       </variablelist>
 389
 390   </refsect1>
 391
 392   <refsect1>
 393     <title>[Address] Section Options</title>
 394
 395       <para>An <literal>[Address]</literal> section accepts the
 396       following keys. Specify several <literal>[Address]</literal>
 397       sections to configure several addresses.</para>
 398
 399       <variablelist class='network-directives'>
 400         <varlistentry>
 401           <term><varname>Address=</varname></term>
 402           <listitem>
 403             <para>As in the <literal>[Network]</literal> section. This
 404             key is mandatory.</para>
 405           </listitem>
 406         </varlistentry>
 407         <varlistentry>
 408           <term><varname>Peer=</varname></term>
 409           <listitem>
 410             <para>The peer address in a point-to-point connection.
 411             Accepts the same format as the <literal>Address</literal>
 412             key.</para>
 413           </listitem>
 414         </varlistentry>
 415         <varlistentry>
 416           <term><varname>Broadcast=</varname></term>
 417           <listitem>
 418             <para>The broadcast address, which must be in the format
 419             described in
 420             <citerefentry><refentrytitle>inet_pton</refentrytitle><manvolnum>3</manvolnum></citerefentry>.
 421             This key only applies to IPv4 addresses. If it is not
 422             given, it is derived from the <literal>Address</literal>
 423             key.</para>
 424           </listitem>
 425         </varlistentry>
 426         <varlistentry>
 427           <term><varname>Label=</varname></term>
 428           <listitem>
 429             <para>An address label.</para>
 430           </listitem>
 431         </varlistentry>
 432       </variablelist>
 433   </refsect1>
 434
 435   <refsect1>
 436     <title>[Route] Section Options</title>
 437       <para>The <literal>[Route]</literal> section accepts the
 438       following keys. Specify several <literal>[Route]</literal>
 439       sections to configure several routes.</para>
 440
 441       <variablelist class='network-directives'>
 442         <varlistentry>
 443           <term><varname>Gateway=</varname></term>
 444           <listitem>
 445             <para>As in the <literal>[Network]</literal> section.</para>
 446           </listitem>
 447         </varlistentry>
 448         <varlistentry>
 449           <term><varname>Destination=</varname></term>
 450           <listitem>
 451             <para>The destination prefix of the route. Possibly
 452             followed by a slash and the prefixlength. If omitted, a
 453             full-length host route is assumed.</para>
 454           </listitem>
 455         </varlistentry>
 456         <varlistentry>
 457           <term><varname>Source=</varname></term>
 458           <listitem>
 459             <para>The source prefix of the route. Possibly followed by
 460             a slash and the prefixlength. If omitted, a full-length
 461             host route is assumed.</para>
 462           </listitem>
 463         </varlistentry>
 464         <varlistentry>
 465           <term><varname>Metric=</varname></term>
 466           <listitem>
 467             <para>The metric of the route. An unsigned integer</para>
 468           </listitem>
 469         </varlistentry>
 470       </variablelist>
 471   </refsect1>
 472
 473   <refsect1>
 474     <title>[DHCP] Section Options</title>
 475       <para>The <literal>[DHCP]</literal> section accepts the following keys:</para>
 476
 477       <variablelist class='network-directives'>
 478         <varlistentry>
 479           <term><varname>UseDNS=</varname></term>
 480           <listitem>
 481             <para>When true (the default), the DNS servers received
 482             from the DHCP server will be used and take precedence over
 483             any statically configured ones.</para>
 484           </listitem>
 485         </varlistentry>
 486         <varlistentry>
 487           <term><varname>UseMTU=</varname></term>
 488           <listitem>
 489             <para>When true, the interface maximum transmission unit
 490             from the DHCP server will be used on the current link.
 491             Defaults to false.</para>
 492           </listitem>
 493         </varlistentry>
 494         <varlistentry>
 495           <term><varname>SendHostname=</varname></term>
 496           <listitem>
 497             <para>When true (the default), the machine's hostname will be sent to the DHCP
 498             server</para>
 499           </listitem>
 500         </varlistentry>
 501         <varlistentry>
 502           <term><varname>UseHostname=</varname></term>
 503           <listitem>
 504             <para>When true (the default), the hostname received from
 505             the DHCP server will be used as the transient
 506             hostname.</para>
 507           </listitem>
 508         </varlistentry>
 509         <varlistentry>
 510           <term><varname>UseDomains=</varname></term>
 511           <listitem>
 512             <para>When true (not the default), the domain name
 513             received from the DHCP server will be used for DNS
 514             resolution over this link.</para>
 515           </listitem>
 516         </varlistentry>
 517         <varlistentry>
 518           <term><varname>UseRoutes=</varname></term>
 519           <listitem>
 520             <para>When true (the default), the static routes will be
 521             requested from the DHCP server and added to the routing
 522             table with metric of 1024.</para>
 523           </listitem>
 524         </varlistentry>
 525         <varlistentry>
 526           <term><varname>CriticalConnection=</varname></term>
 527           <listitem>
 528             <para>When true, the connection will never be torn down
 529             even if the DHCP lease expires. This is contrary to the
 530             DHCP specification, but may be the best choice if, say,
 531             the root filesystem relies on this connection. Defaults to
 532             false.</para>
 533           </listitem>
 534         </varlistentry>
 535         <varlistentry>
 536           <term><varname>VendorClassIdentifier=</varname></term>
 537           <listitem>
 538             <para>The vendor class identifier used to identify vendor
 539             type and configuration.</para>
 540           </listitem>
 541         </varlistentry>
 542         <varlistentry>
 543           <term><varname>RequestBroadcast=</varname></term>
 544           <listitem>
 545             <para>Request the server to use broadcast messages before
 546             the IP address has been configured. This is necessary for
 547             devices that cannot receive RAW packets, or that cannot
 548             receive packets at all before an IP address has been
 549             configured. On the other hand, this must not be enabled on
 550             networks where broadcasts are filtered out.</para>
 551           </listitem>
 552         </varlistentry>
 553         <varlistentry>
 554           <term><varname>RouteMetric=</varname></term>
 555           <listitem>
 556             <para>Set the routing metric for routes specified by the
 557             DHCP server.</para>
 558           </listitem>
 559         </varlistentry>
 560            </variablelist>
 561
 562   </refsect1>
 563
 564   <refsect1>
 565     <title>[Bridge] Section Options</title>
 566       <para>The <literal>[Bridge]</literal> section accepts the
 567       following keys.</para>
 568       <variablelist class='network-directives'>
 569         <varlistentry>
 570           <term><varname>Cost=</varname></term>
 571           <listitem>
 572             <para>Each port in a bridge may have different speed. Cost
 573             is used to decide which link to use. Faster interfaces
 574             should have lower costs</para>
 575           </listitem>
 576         </varlistentry>
 577       </variablelist>
 578   </refsect1>
 579
 580   <refsect1>
 581     <title>[BridgeFDB] Section Options</title>
 582       <para>The <literal>[BridgeFDB]</literal> section manages the
 583       forwarding database table of a port and accepts the following
 584       keys. Specify several <literal>[BridgeFDB]</literal> sections to
 585       configure several static MAC table entries.</para>
 586
 587       <variablelist class='network-directives'>
 588         <varlistentry>
 589           <term><varname>MACAddress=</varname></term>
 590           <listitem>
 591             <para>As in the <literal>[Network]</literal> section. This
 592             key is mandatory.</para>
 593           </listitem>
 594         </varlistentry>
 595         <varlistentry>
 596           <term><varname>VLANId=</varname></term>
 597           <listitem>
 598             <para>The VLAN Id for the new static MAC table entry. If
 599             omitted, no VLAN Id info is appended to the new static MAC
 600             table entry.</para>
 601           </listitem>
 602         </varlistentry>
 603       </variablelist>
 604   </refsect1>
 605
 606   <refsect1>
 607     <title>Example</title>
 608     <example>
 609       <title>/etc/systemd/network/50-static.network</title>
 610
 611       <programlisting>[Match]
 612 Name=enp2s0
 613
 614 [Network]
 615 Address=192.168.0.15/24
 616 Gateway=192.168.0.1</programlisting>
 617     </example>
 618
 619     <example>
 620       <title>/etc/systemd/network/80-dhcp.network</title>
 621
 622       <programlisting>[Match]
 623 Name=en*
 624
 625 [Network]
 626 DHCP=both</programlisting>
 627     </example>
 628
 629     <example>
 630       <title>/etc/systemd/network/bridge-static.network</title>
 631
 632       <programlisting>[Match]
 633 Name=bridge0
 634
 635 [Network]
 636 Address=192.168.0.15/24
 637 Gateway=192.168.0.1
 638 DNS=192.168.0.1</programlisting>
 639     </example>
 640
 641     <example>
 642       <title>/etc/systemd/network/bridge-slave-interface.network</title>
 643
 644       <programlisting>[Match]
 645 Name=enp2s0
 646
 647 [Network]
 648 Bridge=bridge0</programlisting>
 649     </example>
 650     <example>
 651       <title>/etc/systemd/network/ipip.network</title>
 652
 653       <programlisting>[Match]
 654 Name=em1
 655
 656 [Network]
 657 Tunnel=ipip-tun</programlisting>
 658     </example>
 659
 660     <example>
 661       <title>/etc/systemd/network/sit.network</title>
 662
 663       <programlisting>[Match]
 664 Name=em1
 665
 666 [Network]
 667 Tunnel=sit-tun</programlisting>
 668     </example>
 669
 670     <example>
 671       <title>/etc/systemd/network/gre.network</title>
 672
 673       <programlisting>[Match]
 674 Name=em1
 675
 676 [Network]
 677 Tunnel=gre-tun</programlisting>
 678     </example>
 679
 680     <example>
 681       <title>/etc/systemd/network/vti.network</title>
 682
 683       <programlisting>[Match]
 684 Name=em1
 685
 686 [Network]
 687 Tunnel=vti-tun</programlisting>
 688     </example>
 689   </refsect1>
 690
 691   <refsect1>
 692     <title>See Also</title>
 693     <para>
 694       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 695       <citerefentry><refentrytitle>systemd-networkd</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 696       <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
 697       <citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>
 698     </para>
 699   </refsect1>
 700
 701 </refentry>