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https://github.com/systemd/systemd.git
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9cd8c76661
We now don't have the support to delete netdevs and dependent upon iproute to delete. With this we can delete via networkctl and use in our test cases too. Note that it supports deleting multiple links at once. ``` sudo ./networkctl delete test1 test2 test3 test4 ```
300 lines
11 KiB
XML
300 lines
11 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+ -->
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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>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 ore 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>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>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>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>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 ore 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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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>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><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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</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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</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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