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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>systemd.network</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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</style><a href="index.html">Index </a>·
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<a href="../python-systemd/index.html">Python </a>·
<a href="../libudev/index.html">libudev </a>·
<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 219</span><hr><div class="refentry"><a name="systemd.network"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd.network — Network configuration</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename"><em class="replaceable"><code>network</code></em>.network</code></p></div><div class="refsect1"><a name="idm140604915826704"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description"></a></h2><p>Network setup is performed by
<a href="systemd-networkd.html"><span class="citerefentry"><span class="refentrytitle">systemd-networkd</span>(8)</span></a>.
</p><p>Network files must have the extension
<code class="filename">.network</code>; other extensions are ignored.
Networks are applied to links whenever the links appear.</p><p>The <code class="filename">.network</code> files are read from the
files located in the system network directory
<code class="filename">/usr/lib/systemd/network</code>, the volatile
runtime network directory
<code class="filename">/run/systemd/network</code> and the local
administration network directory
<code class="filename">/etc/systemd/network</code>. 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
<code class="filename">/etc</code> have the highest priority, files in
<code class="filename">/run</code> take precedence over files with the same
name in <code class="filename">/usr/lib</code>. This can be used to
override a system-supplied configuration file with a local file if
needed; a symlink in <code class="filename">/etc</code> with the same name
as a configuration file in <code class="filename">/usr/lib</code>, pointing
to <code class="filename">/dev/null</code>, disables the configuration file
entirely.</p></div><div class="refsect1"><a name="idm140604915693056"></a><h2 id="[Match] Section Options">[Match] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BMatch%5D%20Section%20Options"></a></h2><p>The network file contains a "<code class="literal">[Match]</code>"
section, which determines if a given network file may be applied
to a given device; and a "<code class="literal">[Network]</code>" section
specifying how the device should be configured. The first (in
lexical order) of the network files that matches a given device
is applied.</p><p>A network file is said to match a device if each of the
entries in the "<code class="literal">[Match]</code>" section matches, or if
the section is empty. The following keys are accepted:</p><div class="variablelist"><dl class="variablelist"><dt id="MACAddress="><span class="term"><code class="varname">MACAddress=</code></span><a class="headerlink" title="Permalink to this term" href="#MACAddress="></a></dt><dd><p>The hardware address.</p></dd><dt id="Path="><span class="term"><code class="varname">Path=</code></span><a class="headerlink" title="Permalink to this term" href="#Path="></a></dt><dd><p>A whitespace-separated list of shell-style globs
matching the persistent path, as exposed by the udev
property "<code class="literal">ID_PATH</code>".</p></dd><dt id="Driver="><span class="term"><code class="varname">Driver=</code></span><a class="headerlink" title="Permalink to this term" href="#Driver="></a></dt><dd><p>A whitespace-separated list of shell-style globs
matching the driver currently bound to the device, as
exposed by the udev property "<code class="literal">DRIVER</code>"
of its parent device, or if that is not set the driver
as exposed by "<code class="literal">ethtool -i</code>" of the
device itself.</p></dd><dt id="Type="><span class="term"><code class="varname">Type=</code></span><a class="headerlink" title="Permalink to this term" href="#Type="></a></dt><dd><p>A whitespace-separated list of shell-style globs
matching the device type, as exposed by the udev property
"<code class="literal">DEVTYPE</code>".</p></dd><dt id="Name="><span class="term"><code class="varname">Name=</code></span><a class="headerlink" title="Permalink to this term" href="#Name="></a></dt><dd><p>A whitespace-separated list of shell-style globs
matching the device name, as exposed by the udev property
"<code class="literal">INTERFACE</code>".</p></dd><dt id="Host="><span class="term"><code class="varname">Host=</code></span><a class="headerlink" title="Permalink to this term" href="#Host="></a></dt><dd><p>Matches against the hostname or machine ID of the
host. See "<code class="literal">ConditionHost=</code>" in
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
for details.
</p></dd><dt id="Virtualization="><span class="term"><code class="varname">Virtualization=</code></span><a class="headerlink" title="Permalink to this term" href="#Virtualization="></a></dt><dd><p>Checks whether the system is executed in a virtualized
environment and optionally test whether it is a specific
implementation. See "<code class="literal">ConditionVirtualization=</code>" in
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
for details.
</p></dd><dt id="KernelCommandLine="><span class="term"><code class="varname">KernelCommandLine=</code></span><a class="headerlink" title="Permalink to this term" href="#KernelCommandLine="></a></dt><dd><p>Checks whether a specific kernel command line option is
set (or if prefixed with the exclamation mark unset). See
"<code class="literal">ConditionKernelCommandLine=</code>" in
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
for details.
</p></dd><dt id="Architecture="><span class="term"><code class="varname">Architecture=</code></span><a class="headerlink" title="Permalink to this term" href="#Architecture="></a></dt><dd><p>Checks whether the system is running on a specific
architecture. See "<code class="literal">ConditionArchitecture=</code>" in
<a href="systemd.unit.html"><span class="citerefentry"><span class="refentrytitle">systemd.unit</span>(5)</span></a>
for details.
</p></dd></dl></div></div><div class="refsect1"><a name="idm140604915854128"></a><h2 id="[Link] Section Options">[Link] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BLink%5D%20Section%20Options"></a></h2><p> The "<code class="literal">[Link]</code>" section accepts the following keys:</p><div class="variablelist"><dl class="variablelist"><dt id="MACAddress="><span class="term"><code class="varname">MACAddress=</code></span><a class="headerlink" title="Permalink to this term" href="#MACAddress="></a></dt><dd><p>The hardware address.</p></dd><dt id="MTUBytes="><span class="term"><code class="varname">MTUBytes=</code></span><a class="headerlink" title="Permalink to this term" href="#MTUBytes="></a></dt><dd><p>The maximum transmission unit in bytes to set for the
device. The usual suffixes K, M, G, are supported and are
understood to the base of 1024.</p></dd></dl></div></div><div class="refsect1"><a name="idm140604915847920"></a><h2 id="[Network] Section Options">[Network] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BNetwork%5D%20Section%20Options"></a></h2><p>The "<code class="literal">[Network]</code>" section accepts the following keys:</p><div class="variablelist"><dl class="variablelist"><dt id="Description="><span class="term"><code class="varname">Description=</code></span><a class="headerlink" title="Permalink to this term" href="#Description="></a></dt><dd><p>A description of the device. This is only used for
presentation purposes.</p></dd><dt id="DHCP="><span class="term"><code class="varname">DHCP=</code></span><a class="headerlink" title="Permalink to this term" href="#DHCP="></a></dt><dd><p>Enables DHCPv4 and/or DHCPv6 support. Accepts
"<code class="literal">yes</code>", "<code class="literal">no</code>",
"<code class="literal">ipv4</code>", or "<code class="literal">ipv6</code>".</p></dd><dt id="DHCPServer="><span class="term"><code class="varname">DHCPServer=</code></span><a class="headerlink" title="Permalink to this term" href="#DHCPServer="></a></dt><dd><p>A boolean. Enables a basic DHCPv4 server on the
device. Mostly useful for handing out leases to container
instances.</p></dd><dt id="LinkLocalAddressing="><span class="term"><code class="varname">LinkLocalAddressing=</code></span><a class="headerlink" title="Permalink to this term" href="#LinkLocalAddressing="></a></dt><dd><p>Enables link-local address autoconfiguration. Accepts
"<code class="literal">yes</code>", "<code class="literal">no</code>",
"<code class="literal">ipv4</code>", or "<code class="literal">ipv6</code>". Defaults to
"<code class="literal">ipv6</code>".</p></dd><dt id="IPv4LLRoute="><span class="term"><code class="varname">IPv4LLRoute=</code></span><a class="headerlink" title="Permalink to this term" href="#IPv4LLRoute="></a></dt><dd><p>A boolean. When true, sets up the route needed for
non-IPv4LL hosts to communicate with IPv4LL-only hosts. Defaults
to false.
</p></dd><dt id="IPv6Token="><span class="term"><code class="varname">IPv6Token=</code></span><a class="headerlink" title="Permalink to this term" href="#IPv6Token="></a></dt><dd><p>An IPv6 address with the top 64 bits unset. When set, indicates the
64 bits interface part of SLAAC IPv6 addresses for this link. By default
it is autogenerated.</p></dd><dt id="LLMNR="><span class="term"><code class="varname">LLMNR=</code></span><a class="headerlink" title="Permalink to this term" href="#LLMNR="></a></dt><dd><p>A boolean or "<code class="literal">resolve</code>". When true, enables
Link-Local Multicast Name Resolution on the link, when set to
"<code class="literal">resolve</code>" only resolution is enabled, but not
announcement. Defaults to true.</p></dd><dt id="LLDP="><span class="term"><code class="varname">LLDP=</code></span><a class="headerlink" title="Permalink to this term" href="#LLDP="></a></dt><dd><p>A boolean. When true, enables LLDP link receive support.
</p></dd><dt id="Address="><span class="term"><code class="varname">Address=</code></span><a class="headerlink" title="Permalink to this term" href="#Address="></a></dt><dd><p>A static IPv4 or IPv6 address and its prefix length,
separated by a "<code class="literal">/</code>" character. Specify
this key more than once to configure several addresses.
The format of the address must be as described in
<a href="inet_pton.html"><span class="citerefentry"><span class="refentrytitle">inet_pton</span>(3)</span></a>.
This is a short-hand for an [Address] section only
containing an Address key (see below). This option may be
specified more than once.
</p><p>If the specified address is 0.0.0.0 (for IPv4) or
[::] (for IPv6), a new address range of the requested size
is automatically allocated from a system-wide pool of
unused ranges. The allocated range is checked against all
current network interfaces and all known network
configuration files to avoid address range conflicts. The
default system-wide pool consists of 192.168.0.0/16,
172.16.0.0/12 and 10.0.0.0/8 for IPv4, and fc00::/7 for
IPv6. This functionality is useful to manage a large
number of dynamically created network interfaces with the
same network configuration and automatic address range
assignment.</p></dd><dt id="Gateway="><span class="term"><code class="varname">Gateway=</code></span><a class="headerlink" title="Permalink to this term" href="#Gateway="></a></dt><dd><p>The gateway address, which must be in the format
described in
<a href="inet_pton.html"><span class="citerefentry"><span class="refentrytitle">inet_pton</span>(3)</span></a>.
This is a short-hand for a [Route] section only containing
a Gateway key. This option may be specified more than
once.</p></dd><dt id="DNS="><span class="term"><code class="varname">DNS=</code></span><a class="headerlink" title="Permalink to this term" href="#DNS="></a></dt><dd><p>A DNS server address, which must be in the format
described in
<a href="inet_pton.html"><span class="citerefentry"><span class="refentrytitle">inet_pton</span>(3)</span></a>.
This option may be specified more than once.</p></dd><dt id="Domains="><span class="term"><code class="varname">Domains=</code></span><a class="headerlink" title="Permalink to this term" href="#Domains="></a></dt><dd><p>The domains used for DNS resolution over this link.</p></dd><dt id="NTP="><span class="term"><code class="varname">NTP=</code></span><a class="headerlink" title="Permalink to this term" href="#NTP="></a></dt><dd><p>An NTP server address. This option may be specified more than once.</p></dd><dt id="IPForward="><span class="term"><code class="varname">IPForward=</code></span><a class="headerlink" title="Permalink to this term" href="#IPForward="></a></dt><dd><p>Configures IP forwarding for the network
interface. If enabled incoming packets on the network
interface will be forwarded to other interfaces according to
the routing table. Takes either a boolean argument, or the
values "<code class="literal">ipv4</code>" or "<code class="literal">ipv6</code>",
which only enables IP forwarding for the specified address
family.</p></dd><dt id="IPMasquerade="><span class="term"><code class="varname">IPMasquerade=</code></span><a class="headerlink" title="Permalink to this term" href="#IPMasquerade="></a></dt><dd><p>Configures IP masquerading for the network
interface. If enabled packets forwarded from the network
interface will be appear as coming from the local host.
Takes a boolean argument. Implies
<code class="varname">IPForward=yes</code>.</p></dd><dt id="Bridge="><span class="term"><code class="varname">Bridge=</code></span><a class="headerlink" title="Permalink to this term" href="#Bridge="></a></dt><dd><p>The name of the bridge to add the link to.</p></dd><dt id="Bond="><span class="term"><code class="varname">Bond=</code></span><a class="headerlink" title="Permalink to this term" href="#Bond="></a></dt><dd><p>The name of the bond to add the link to.</p></dd><dt id="VLAN="><span class="term"><code class="varname">VLAN=</code></span><a class="headerlink" title="Permalink to this term" href="#VLAN="></a></dt><dd><p>The name of a VLAN to create on the link. This
option may be specified more than once.</p></dd><dt id="MACVLAN="><span class="term"><code class="varname">MACVLAN=</code></span><a class="headerlink" title="Permalink to this term" href="#MACVLAN="></a></dt><dd><p>The name of a MACVLAN to create on the link. This
option may be specified more than once.</p></dd><dt id="VXLAN="><span class="term"><code class="varname">VXLAN=</code></span><a class="headerlink" title="Permalink to this term" href="#VXLAN="></a></dt><dd><p>The name of a VXLAN to create on the link. This
option may be specified more than once.</p></dd><dt id="Tunnel="><span class="term"><code class="varname">Tunnel=</code></span><a class="headerlink" title="Permalink to this term" href="#Tunnel="></a></dt><dd><p>The name of a Tunnel to create on the link. This
option may be specified more than once.</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910876848"></a><h2 id="[Address] Section Options">[Address] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BAddress%5D%20Section%20Options"></a></h2><p>An "<code class="literal">[Address]</code>" section accepts the
following keys. Specify several "<code class="literal">[Address]</code>"
sections to configure several addresses.</p><div class="variablelist"><dl class="variablelist"><dt id="Address="><span class="term"><code class="varname">Address=</code></span><a class="headerlink" title="Permalink to this term" href="#Address="></a></dt><dd><p>As in the "<code class="literal">[Network]</code>" section. This
key is mandatory.</p></dd><dt id="Peer="><span class="term"><code class="varname">Peer=</code></span><a class="headerlink" title="Permalink to this term" href="#Peer="></a></dt><dd><p>The peer address in a point-to-point connection.
Accepts the same format as the "<code class="literal">Address</code>"
key.</p></dd><dt id="Broadcast="><span class="term"><code class="varname">Broadcast=</code></span><a class="headerlink" title="Permalink to this term" href="#Broadcast="></a></dt><dd><p>The broadcast address, which must be in the format
described in
<a href="inet_pton.html"><span class="citerefentry"><span class="refentrytitle">inet_pton</span>(3)</span></a>.
This key only applies to IPv4 addresses. If it is not
given, it is derived from the "<code class="literal">Address</code>"
key.</p></dd><dt id="Label="><span class="term"><code class="varname">Label=</code></span><a class="headerlink" title="Permalink to this term" href="#Label="></a></dt><dd><p>An address label.</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910864176"></a><h2 id="[Route] Section Options">[Route] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BRoute%5D%20Section%20Options"></a></h2><p>The "<code class="literal">[Route]</code>" section accepts the
following keys. Specify several "<code class="literal">[Route]</code>"
sections to configure several routes.</p><div class="variablelist"><dl class="variablelist"><dt id="Gateway="><span class="term"><code class="varname">Gateway=</code></span><a class="headerlink" title="Permalink to this term" href="#Gateway="></a></dt><dd><p>As in the "<code class="literal">[Network]</code>" section.</p></dd><dt id="Destination="><span class="term"><code class="varname">Destination=</code></span><a class="headerlink" title="Permalink to this term" href="#Destination="></a></dt><dd><p>The destination prefix of the route. Possibly
followed by a slash and the prefixlength. If omitted, a
full-length host route is assumed.</p></dd><dt id="Source="><span class="term"><code class="varname">Source=</code></span><a class="headerlink" title="Permalink to this term" href="#Source="></a></dt><dd><p>The source prefix of the route. Possibly followed by
a slash and the prefixlength. If omitted, a full-length
host route is assumed.</p></dd><dt id="Metric="><span class="term"><code class="varname">Metric=</code></span><a class="headerlink" title="Permalink to this term" href="#Metric="></a></dt><dd><p>The metric of the route. An unsigned integer</p></dd><dt id="Scope="><span class="term"><code class="varname">Scope=</code></span><a class="headerlink" title="Permalink to this term" href="#Scope="></a></dt><dd><p>The scope of the route. One of the values "<code class="literal">global</code>",
"<code class="literal">link</code>" or "<code class="literal">host</code>". Defaults to
"<code class="literal">global</code>".</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910849360"></a><h2 id="[DHCP] Section Options">[DHCP] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BDHCP%5D%20Section%20Options"></a></h2><p>The "<code class="literal">[DHCP]</code>" section accepts the following keys:</p><div class="variablelist"><dl class="variablelist"><dt id="UseDNS="><span class="term"><code class="varname">UseDNS=</code></span><a class="headerlink" title="Permalink to this term" href="#UseDNS="></a></dt><dd><p>When true (the default), the DNS servers received
from the DHCP server will be used and take precedence over
any statically configured ones.</p></dd><dt id="UseMTU="><span class="term"><code class="varname">UseMTU=</code></span><a class="headerlink" title="Permalink to this term" href="#UseMTU="></a></dt><dd><p>When true, the interface maximum transmission unit
from the DHCP server will be used on the current link.
Defaults to false.</p></dd><dt id="SendHostname="><span class="term"><code class="varname">SendHostname=</code></span><a class="headerlink" title="Permalink to this term" href="#SendHostname="></a></dt><dd><p>When true (the default), the machine's hostname will be sent to the DHCP
server</p></dd><dt id="UseHostname="><span class="term"><code class="varname">UseHostname=</code></span><a class="headerlink" title="Permalink to this term" href="#UseHostname="></a></dt><dd><p>When true (the default), the hostname received from
the DHCP server will be used as the transient
hostname.</p></dd><dt id="UseDomains="><span class="term"><code class="varname">UseDomains=</code></span><a class="headerlink" title="Permalink to this term" href="#UseDomains="></a></dt><dd><p>When true (not the default), the domain name
received from the DHCP server will be used for DNS
resolution over this link.</p></dd><dt id="UseRoutes="><span class="term"><code class="varname">UseRoutes=</code></span><a class="headerlink" title="Permalink to this term" href="#UseRoutes="></a></dt><dd><p>When true (the default), the static routes will be
requested from the DHCP server and added to the routing
table with metric of 1024.</p></dd><dt id="CriticalConnection="><span class="term"><code class="varname">CriticalConnection=</code></span><a class="headerlink" title="Permalink to this term" href="#CriticalConnection="></a></dt><dd><p>When true, the connection will never be torn down
even if the DHCP lease expires. This is contrary to the
DHCP specification, but may be the best choice if, say,
the root filesystem relies on this connection. Defaults to
false.</p></dd><dt id="VendorClassIdentifier="><span class="term"><code class="varname">VendorClassIdentifier=</code></span><a class="headerlink" title="Permalink to this term" href="#VendorClassIdentifier="></a></dt><dd><p>The vendor class identifier used to identify vendor
type and configuration.</p></dd><dt id="RequestBroadcast="><span class="term"><code class="varname">RequestBroadcast=</code></span><a class="headerlink" title="Permalink to this term" href="#RequestBroadcast="></a></dt><dd><p>Request the server to use broadcast messages before
the IP address has been configured. This is necessary for
devices that cannot receive RAW packets, or that cannot
receive packets at all before an IP address has been
configured. On the other hand, this must not be enabled on
networks where broadcasts are filtered out.</p></dd><dt id="RouteMetric="><span class="term"><code class="varname">RouteMetric=</code></span><a class="headerlink" title="Permalink to this term" href="#RouteMetric="></a></dt><dd><p>Set the routing metric for routes specified by the
DHCP server.</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910828512"></a><h2 id="[Bridge] Section Options">[Bridge] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BBridge%5D%20Section%20Options"></a></h2><p>The "<code class="literal">[Bridge]</code>" section accepts the
following keys.</p><div class="variablelist"><dl class="variablelist"><dt id="Cost="><span class="term"><code class="varname">Cost=</code></span><a class="headerlink" title="Permalink to this term" href="#Cost="></a></dt><dd><p>Each port in a bridge may have different speed. Cost
is used to decide which link to use. Faster interfaces
should have lower costs</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910824272"></a><h2 id="[BridgeFDB] Section Options">[BridgeFDB] Section Options<a class="headerlink" title="Permalink to this headline" href="#%5BBridgeFDB%5D%20Section%20Options"></a></h2><p>The "<code class="literal">[BridgeFDB]</code>" section manages the
forwarding database table of a port and accepts the following
keys. Specify several "<code class="literal">[BridgeFDB]</code>" sections to
configure several static MAC table entries.</p><div class="variablelist"><dl class="variablelist"><dt id="MACAddress="><span class="term"><code class="varname">MACAddress=</code></span><a class="headerlink" title="Permalink to this term" href="#MACAddress="></a></dt><dd><p>As in the "<code class="literal">[Network]</code>" section. This
key is mandatory.</p></dd><dt id="VLANId="><span class="term"><code class="varname">VLANId=</code></span><a class="headerlink" title="Permalink to this term" href="#VLANId="></a></dt><dd><p>The VLAN Id for the new static MAC table entry. If
omitted, no VLAN Id info is appended to the new static MAC
table entry.</p></dd></dl></div></div><div class="refsect1"><a name="idm140604910817008"></a><h2 id="Example">Example<a class="headerlink" title="Permalink to this headline" href="#Example"></a></h2><div class="example"><a name="idm140604910816368"></a><p class="title"><b>Example 1. /etc/systemd/network/50-static.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=enp2s0
[Network]
Address=192.168.0.15/24
Gateway=192.168.0.1</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910814880"></a><p class="title"><b>Example 2. /etc/systemd/network/80-dhcp.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=en*
[Network]
DHCP=both</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910813488"></a><p class="title"><b>Example 3. /etc/systemd/network/bridge-static.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=bridge0
[Network]
Address=192.168.0.15/24
Gateway=192.168.0.1
DNS=192.168.0.1</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910811984"></a><p class="title"><b>Example 4. /etc/systemd/network/bridge-slave-interface.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=enp2s0
[Network]
Bridge=bridge0</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910810592"></a><p class="title"><b>Example 5. /etc/systemd/network/ipip.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=em1
[Network]
Tunnel=ipip-tun</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910809200"></a><p class="title"><b>Example 6. /etc/systemd/network/sit.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=em1
[Network]
Tunnel=sit-tun</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910807808"></a><p class="title"><b>Example 7. /etc/systemd/network/gre.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=em1
[Network]
Tunnel=gre-tun</pre></div></div><br class="example-break"><div class="example"><a name="idm140604910806416"></a><p class="title"><b>Example 8. /etc/systemd/network/vti.network</b></p><div class="example-contents"><pre class="programlisting">[Match]
Name=em1
[Network]
Tunnel=vti-tun</pre></div></div><br class="example-break"></div><div class="refsect1"><a name="idm140604910804896"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also"></a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="systemd-networkd.html"><span class="citerefentry"><span class="refentrytitle">systemd-networkd</span>(8)</span></a>,
<a href="systemd.link.html"><span class="citerefentry"><span class="refentrytitle">systemd.link</span>(5)</span></a>,
<a href="systemd.netdev.html"><span class="citerefentry"><span class="refentrytitle">systemd.netdev</span>(5)</span></a>
</p></div></div></body></html>
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