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<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!--
This file is part of systemd.
Copyright 2015 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
-->
<refentry id="networkctl" conditional='ENABLE_NETWORKD'
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>networkctl</title>
<productname>systemd</productname>
<authorgroup>
<author>
<contrib>Documentation</contrib>
<firstname>Zbigniew</firstname>
<surname>Jędrzejewski-Szmek</surname>
<email>zbyszek@in.waw.pl</email>
</author>
</authorgroup>
</refentryinfo>
<refmeta>
<refentrytitle>networkctl</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>networkctl</refname>
<refpurpose>Query the status of network links</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>networkctl</command>
<arg choice="opt" rep="repeat">OPTIONS</arg>
<arg choice="plain">COMMAND</arg>
<arg choice="opt" rep="repeat">LINK</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>networkctl</command> may be used to introspect the
state of the network links as seen by
<command>systemd-networkd</command>. Please refer to
<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
for an introduction to the basic concepts, functionality, and
configuration syntax.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term>
<option>-a</option>
<option>--all</option>
</term>
<listitem>
<para>Show all links with <command>status</command>.</para>
</listitem>
</varlistentry>
<xi:include href="standard-options.xml" xpointer="help" />
<xi:include href="standard-options.xml" xpointer="version" />
<xi:include href="standard-options.xml" xpointer="no-legend" />
<xi:include href="standard-options.xml" xpointer="no-pager" />
</variablelist>
</refsect1>
<refsect1>
<title>Commands</title>
<para>The following commands are understood:</para>
<variablelist>
<varlistentry>
<term>
<command>list</command>
<optional><replaceable>LINK...</replaceable></optional>
</term>
<listitem>
<para>Show a list of existing links and their status. If no further arguments are specified shows all links,
otherwise just the specified links. Produces output similar to:
<programlisting>IDX LINK TYPE OPERATIONAL SETUP
1 lo loopback carrier unmanaged
2 eth0 ether routable configured
3 virbr0 ether no-carrier unmanaged
4 virbr0-nic ether off unmanaged
4 links listed.</programlisting></para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<command>status</command>
<optional><replaceable>LINK...</replaceable></optional>
</term>
<listitem>
<para>Show information about the specified links: type,
state, kernel module driver, hardware and IP address,
configured DNS servers, etc.</para>
<para>When no links are specified, an overall network status is shown. Also see the option
<option>--all</option>.</para>
<para>Produces output similar to:
<programlisting>
● State: routable
Address: 10.193.76.5 on eth0
192.168.122.1 on virbr0
169.254.190.105 on eth0
fe80::5054:aa:bbbb:cccc on eth0
Gateway: 10.193.11.1 (CISCO SYSTEMS, INC.) on eth0
DNS: 8.8.8.8
8.8.4.4</programlisting></para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<command>lldp</command>
<optional><replaceable>LINK...</replaceable></optional>
</term>
<listitem>
<para>Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If one or more link names are specified
only neighbors on those interfaces are shown. Otherwise shows discovered neighbors on all interfaces. Note
that for this feature to work, <varname>LLDP=</varname> must be turned on on the specific interface, see
<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry> for
details.</para>
<para>Produces output similar to:
<programlisting>LINK CHASSIS ID SYSTEM NAME CAPS PORT ID PORT DESCRIPTION
enp0s25 00:e0:4c:00:00:00 GS1900 ..b........ 2 Port #2
Capability Flags:
o - Other; p - Repeater; b - Bridge; w - WLAN Access Point; r - Router;
t - Telephone; d - DOCSIS cable device; a - Station; c - Customer VLAN;
s - Service VLAN, m - Two-port MAC Relay (TPMR)
1 neighbors listed.</programlisting></para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success, 0 is returned, a non-zero failure
code otherwise.</para>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
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