mirror of
https://github.com/systemd/systemd.git
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197 lines
6.7 KiB
XML
197 lines
6.7 KiB
XML
<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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SPDX-License-Identifier: LGPL-2.1+
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-->
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<refentry id="networkctl" conditional='ENABLE_NETWORKD'
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>networkctl</title>
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<productname>systemd</productname>
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</refentryinfo>
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<refmeta>
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<refentrytitle>networkctl</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>networkctl</refname>
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<refpurpose>Query the status of network links</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>networkctl</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="plain">COMMAND</arg>
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<arg choice="opt" rep="repeat">LINK</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><command>networkctl</command> may be used to introspect the
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state of the network links as seen by
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<command>systemd-networkd</command>. Please refer to
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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for an introduction to the basic concepts, functionality, and
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configuration syntax.</para>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term>
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<option>-a</option>
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<option>--all</option>
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</term>
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<listitem>
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<para>Show all links with <command>status</command>.</para>
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</listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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<xi:include href="standard-options.xml" xpointer="no-legend" />
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<xi:include href="standard-options.xml" xpointer="no-pager" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Commands</title>
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<para>The following commands are understood:</para>
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<variablelist>
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<varlistentry>
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<term>
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<command>list</command>
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<optional><replaceable>LINK…</replaceable></optional>
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</term>
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<listitem>
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<para>Show a list of existing links and their status. If no further arguments are specified shows all links,
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otherwise just the specified links. Produces output similar to:
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<programlisting>IDX LINK TYPE OPERATIONAL SETUP
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1 lo loopback carrier unmanaged
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2 eth0 ether routable configured
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3 virbr0 ether no-carrier unmanaged
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4 virbr0-nic ether off unmanaged
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4 links listed.</programlisting></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>status</command>
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<optional><replaceable>LINK…</replaceable></optional>
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</term>
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<listitem>
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<para>Show information about the specified links: type,
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state, kernel module driver, hardware and IP address,
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configured DNS servers, etc.</para>
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<para>When no links are specified, an overall network status is shown. Also see the option
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<option>--all</option>.</para>
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<para>Produces output similar to:
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<programlisting>
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● State: routable
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Address: 10.193.76.5 on eth0
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192.168.122.1 on virbr0
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169.254.190.105 on eth0
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fe80::5054:aa:bbbb:cccc on eth0
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Gateway: 10.193.11.1 (CISCO SYSTEMS, INC.) on eth0
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DNS: 8.8.8.8
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8.8.4.4</programlisting></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>lldp</command>
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<optional><replaceable>LINK…</replaceable></optional>
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</term>
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<listitem>
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<para>Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If one or more link names are specified
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only neighbors on those interfaces are shown. Otherwise shows discovered neighbors on all interfaces. Note
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that for this feature to work, <varname>LLDP=</varname> must be turned on for the specific interface, see
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<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry> for
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details.</para>
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<para>Produces output similar to:
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<programlisting>LINK CHASSIS ID SYSTEM NAME CAPS PORT ID PORT DESCRIPTION
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enp0s25 00:e0:4c:00:00:00 GS1900 ..b........ 2 Port #2
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Capability Flags:
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o - Other; p - Repeater; b - Bridge; w - WLAN Access Point; r - Router;
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t - Telephone; d - DOCSIS cable device; a - Station; c - Customer VLAN;
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s - Service VLAN, m - Two-port MAC Relay (TPMR)
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1 neighbors listed.</programlisting></para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>label</command>
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</term>
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<listitem><para>Show numerical address labels that can be used for address selection.
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This is the same information that
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<citerefentry><refentrytitle>ip-addrlabel</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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shows. See <ulink url="https://tools.ietf.org/html/rfc3484">RFC 3484</ulink>
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for a discussion of address labels.</para>
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<para>Produces output similar to:
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<programlisting>Prefix/Prefixlen Label
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::/0 1
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fc00::/7 5
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fec0::/10 11
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2002::/16 2
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3ffe::/16 12
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2001:10::/28 7
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2001::/32 6
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::ffff:0.0.0.0/96 4
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::/96 3
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::1/128 0</programlisting></para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure code otherwise.</para>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd-networkd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.network</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.netdev</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry project='die-net'><refentrytitle>ip</refentrytitle><manvolnum>8</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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