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433 lines
16 KiB
XML
433 lines
16 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
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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>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>PATTERN…</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 one or more
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<replaceable>PATTERN</replaceable>s are specified, only links matching one of them are shown.
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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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<para>The operational status is one of the following:
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<variablelist>
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<varlistentry>
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<term>missing</term>
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<listitem>
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<para>the device is missing</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>off</term>
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<listitem>
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<para>the device is powered down</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>no-carrier</term>
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<listitem>
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<para>the device is powered up, but it does not yet have a carrier</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>dormant</term>
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<listitem>
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<para>the device has a carrier, but is not yet ready for normal traffic</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>degraded-carrier</term>
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<listitem>
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<para>for bond or bridge master, one of the bonding or bridge slave network interfaces is
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in off, no-carrier, or dormant state</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>carrier</term>
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<listitem>
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<para>the link has a carrier, or for bond or bridge master, all bonding or bridge slave
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network interfaces are enslaved to the master</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>degraded</term>
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<listitem>
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<para>the link has carrier and addresses valid on the local link configured</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>enslaved</term>
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<listitem>
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<para>the link has carrier and is enslaved to bond or bridge master network interface</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>routable</term>
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<listitem>
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<para>the link has carrier and routable address configured</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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<para>The setup status is one of the following:
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<variablelist>
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<varlistentry>
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<term>pending</term>
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<listitem>
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<para>udev is still processing the link, we don't yet know if we will manage it</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>initialized</term>
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<listitem>
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<para>udev has processed the link, but we don't yet know if we will manage it</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>configuring</term>
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<listitem>
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<para>in the process of retrieving configuration or configuring the link</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>configured</term>
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<listitem>
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<para>link configured successfully</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>unmanaged</term>
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<listitem>
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<para>networkd is not handling the link</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>failed</term>
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<listitem>
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<para>networkd failed to manage the link</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>linger</term>
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<listitem>
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<para>the link is gone, but has not yet been dropped by networkd</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</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>PATTERN…</replaceable></optional>
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</term>
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<listitem>
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<para>Show information about the specified links: type, state, kernel module driver, hardware and
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IP address, configured DNS servers, etc. If one or more <replaceable>PATTERN</replaceable>s are
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specified, only links matching one of them are shown.</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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Online state: online
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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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<para>In the overall network status, the online state depends on the individual online state of all
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required links. Managed links are required for online by default. In this case, the online state is
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one of the following:
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<variablelist>
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<varlistentry>
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<term>unknown</term>
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<listitem>
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<para>all links have unknown online status (i.e. there are no required links)</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>offline</term>
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<listitem>
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<para>all required links are offline</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>partial</term>
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<listitem>
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<para>some, but not all, required links are online</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>online</term>
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<listitem>
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<para>all required links are online</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</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>PATTERN…</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
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<replaceable>PATTERN</replaceable>s are specified only neighbors on those interfaces are shown.
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Otherwise shows discovered neighbors on all interfaces. Note that for this feature to work,
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<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 project='die-net'><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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<varlistentry>
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<term>
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<command>delete</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Deletes virtual netdevs. Takes interface name or index number.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>up</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Bring devices up. Takes interface name or index number.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>down</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Bring devices down. Takes interface name or index number.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>renew</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Renew dynamic configurations e.g. addresses received from DHCP server.
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Takes interface name or index number.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>forcerenew</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Send a FORCERENEW message to all connected clients, triggering DHCP reconfiguration.
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Takes interface name or index number.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>reconfigure</command>
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<replaceable>DEVICE…</replaceable>
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</term>
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<listitem><para>Reconfigure network interfaces. Takes interface name or index number. Note that
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this does not reload <filename>.netdev</filename> or <filename>.network</filename>
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corresponding to the specified interface. So, if you edit config files, it is necessary to call
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<command>networkctl reload</command> first to apply new settings.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<command>reload</command>
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</term>
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<listitem><para>Reload <filename>.netdev</filename> and <filename>.network</filename> files.
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If a new <filename>.netdev</filename> file is found, then the corresponding netdev is created.
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Note that even if an existing <filename>.netdev</filename> is modified or removed,
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<command>systemd-networkd</command> does not update or remove the netdev.
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If a new, modified or removed <filename>.network</filename> file is found, then all interfaces
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which match the file are reconfigured.</para></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>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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<varlistentry>
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<term>
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<option>-s</option>
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<option>--stats</option>
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</term>
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<listitem>
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<para>Show link statistics with <command>status</command>.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-l</option></term>
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<term><option>--full</option></term>
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<listitem>
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<para>Do not ellipsize the output.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-n</option></term>
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<term><option>--lines=</option></term>
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<listitem>
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<para>When used with <command>status</command>, controls the number of journal lines to show,
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counting from the most recent ones. Takes a positive integer argument. Defaults to 10.</para>
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</listitem>
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</varlistentry>
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<xi:include href="standard-options.xml" xpointer="json" />
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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>Exit status</title>
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|
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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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