1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
|
<?xml version='1.0'?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
<refentry id="networkctl" conditional='ENABLE_NETWORKD'
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>networkctl</title>
<productname>systemd</productname>
</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>Commands</title>
<para>The following commands are understood:</para>
<variablelist>
<varlistentry>
<term>
<command>list</command>
<optional><replaceable>PATTERN…</replaceable></optional>
</term>
<listitem>
<para>Show a list of existing links and their status. If one ore more
<replaceable>PATTERN</replaceable>s are specified, only links matching one of them are shown.
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>
<para>The operational status is one of the following:
<variablelist>
<varlistentry>
<term>missing</term>
<listitem>
<para>the device is missing</para>
</listitem>
</varlistentry>
<varlistentry>
<term>off</term>
<listitem>
<para>the device is powered down</para>
</listitem>
</varlistentry>
<varlistentry>
<term>no-carrier</term>
<listitem>
<para>the device is powered up, but it does not yet have a carrier</para>
</listitem>
</varlistentry>
<varlistentry>
<term>dormant</term>
<listitem>
<para>the device has a carrier, but is not yet ready for normal traffic</para>
</listitem>
</varlistentry>
<varlistentry>
<term>degraded-carrier</term>
<listitem>
<para>for bond or bridge master, one of the bonding or bridge slave network interfaces is
in off, no-carrier, or dormant state</para>
</listitem>
</varlistentry>
<varlistentry>
<term>carrier</term>
<listitem>
<para>the link has a carrier, or for bond or bridge master, all bonding or bridge slave
network interfaces are enslaved to the master.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>degraded</term>
<listitem>
<para>the link has carrier and addresses valid on the local link configured</para>
</listitem>
</varlistentry>
<varlistentry>
<term>enslaved</term>
<listitem>
<para>the link has carrier and is enslaved to bond or bridge master network interface</para>
</listitem>
</varlistentry>
<varlistentry>
<term>routable</term>
<listitem>
<para>the link has carrier and routable address configured</para>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>The setup status is one of the following:
<variablelist>
<varlistentry>
<term>pending</term>
<listitem>
<para>udev is still processing the link, we don't yet know if we will manage it</para>
</listitem>
</varlistentry>
<varlistentry>
<term>failed</term>
<listitem>
<para>networkd failed to manage the link</para>
</listitem>
</varlistentry>
<varlistentry>
<term>configuring</term>
<listitem>
<para>in the process of retrieving configuration or configuring the link</para>
</listitem>
</varlistentry>
<varlistentry>
<term>configured</term>
<listitem>
<para>link configured successfully</para>
</listitem>
</varlistentry>
<varlistentry>
<term>unmanaged</term>
<listitem>
<para>networkd is not handling the link</para>
</listitem>
</varlistentry>
<varlistentry>
<term>linger</term>
<listitem>
<para>the link is gone, but has not yet been dropped by networkd</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<command>status</command>
<optional><replaceable>PATTERN…</replaceable></optional>
</term>
<listitem>
<para>Show information about the specified links: type, state, kernel module driver, hardware and
IP address, configured DNS servers, etc. If one ore more <replaceable>PATTERN</replaceable>s are
specified, only links matching one of them are shown.</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>PATTERN…</replaceable></optional>
</term>
<listitem>
<para>Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If one or more
<replaceable>PATTERN</replaceable>s 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 for 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>
<varlistentry>
<term>
<command>label</command>
</term>
<listitem><para>Show numerical address labels that can be used for address selection.
This is the same information that
<citerefentry project='die-net'><refentrytitle>ip-addrlabel</refentrytitle><manvolnum>8</manvolnum></citerefentry>
shows. See <ulink url="https://tools.ietf.org/html/rfc3484">RFC 3484</ulink>
for a discussion of address labels.</para>
<para>Produces output similar to:
<programlisting>Prefix/Prefixlen Label
::/0 1
fc00::/7 5
fec0::/10 11
2002::/16 2
3ffe::/16 12
2001:10::/28 7
2001::/32 6
::ffff:0.0.0.0/96 4
::/96 3
::1/128 0</programlisting></para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<command>delete</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Deletes virtual netdevs. Takes interface name or index number.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>up</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Bring devices up. Takes interface name or index number.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>down</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Bring devices down. Takes interface name or index number.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>renew</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Renew dynamic configurations e.g. addresses received from DHCP server.
Takes interface name or index number.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>forcerenew</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Send a FORCERENEW message to all connected clients, triggering DHCP reconfiguration.
Takes interface name or index number.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>reconfigure</command>
<replaceable>DEVICE…</replaceable>
</term>
<listitem><para>Reconfigure network interfaces. Takes interface name or index number. Note that
this does not reload <filename>.netdev</filename> or <filename>.network</filename>
corresponding to the the specified interface. So, if you edit config files, it is necessary to
call <command>networkctl reload</command> first to apply new settings.</para></listitem>
</varlistentry>
<varlistentry>
<term>
<command>reload</command>
</term>
<listitem><para>Reload <filename>.netdev</filename> and <filename>.network</filename> files.
If a new <filename>.netdev</filename> file is found, then the corresponding netdev is created.
Note that even if an existing <filename>.netdev</filename> is modified or removed,
<command>systemd-networkd</command> does not update or remove the netdev.
If a new, modified or removed <filename>.network</filename> file is found, then all interfaces
which match the file are reconfigured.</para></listitem>
</varlistentry>
</variablelist>
</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>
<varlistentry>
<term>
<option>-s</option>
<option>--stats</option>
</term>
<listitem>
<para>Show link statistics with <command>status</command>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-l</option></term>
<term><option>--full</option></term>
<listitem>
<para>Do not ellipsize the output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-n</option></term>
<term><option>--lines=</option></term>
<listitem>
<para>When used with <command>status</command>, controls the number of journal lines to show,
counting from the most recent ones. Takes a positive integer argument. Defaults to 10.</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>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>,
<citerefentry project='die-net'><refentrytitle>ip</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
|
