NETWORKCTL(1) networkctl NETWORKCTL(1)
NAME
networkctl - Query or modify the status of network links
SYNOPSIS
networkctl [OPTIONS...] COMMAND [LINK...]
DESCRIPTION
networkctl may be used to query or modify the state of the network
links as seen by systemd-networkd. Please refer to systemd-
networkd.service(8) for an introduction to the basic concepts,
functionality, and configuration syntax.
COMMANDS
The following commands are understood:
list [PATTERN...]
Show a list of existing links and their status. If one or more
PATTERNs 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:
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.
The operational status is one of the following:
missing
The device is missing.
Added in version 245.
off
The device is powered down.
Added in version 240.
no-carrier
The device is powered up, but does not yet have a carrier.
Added in version 240.
dormant
The device has a carrier, but is not yet ready for normal
traffic.
Added in version 240.
degraded-carrier
One of the bonding or bridge slave network interfaces is in
off, no-carrier, or dormant state, and the master interface has
no address.
Added in version 242.
carrier
The link has carrier, or for bond or bridge master, all bonding
or bridge slave network interfaces are enslaved to the master.
Added in version 240.
degraded
The link has carrier and addresses valid on the local link
configured. For bond or bridge master this means that not all
slave network interfaces have carrier but at least one does.
Added in version 240.
enslaved
The link has carrier and is enslaved to bond or bridge master
network interface.
Added in version 242.
routable
The link has carrier and routable address configured. For bond
or bridge master it is not necessary for all slave network
interfaces to have carrier, but at least one must.
Added in version 240.
The setup status is one of the following:
pending
systemd-udevd(8) is still processing the link, we don't yet
know if we will manage it.
Added in version 240.
initialized
systemd-udevd(8) has processed the link, but we don't yet know
if we will manage it.
Added in version 251.
configuring
Configuration for the link is being retrieved or the link is
being configured.
Added in version 240.
configured
Link has been configured successfully.
Added in version 240.
unmanaged
systemd-networkd is not handling the link.
Added in version 240.
failed
systemd-networkd failed to configure the link.
Added in version 240.
linger
The link is gone, but has not yet been dropped by
systemd-networkd.
Added in version 240.
Added in version 219.
status [PATTERN...]
Show information about the specified links: type, state, kernel
module driver, hardware and IP address, configured DNS servers,
etc. If one or more PATTERNs are specified, only links matching one
of them are shown.
When no links are specified, an overall network status is shown.
Also see the option --all.
Produces output similar to:
● State: routable
Online state: online
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
In the overall network status, the online state depends on the
individual online state of all required links. Managed links are
required for online by default. In this case, the online state is
one of the following:
unknown
All links have unknown online status (i.e. there are no
required links).
Added in version 249.
offline
All required links are offline.
Added in version 249.
partial
Some, but not all, required links are online.
Added in version 249.
online
All required links are online.
Added in version 249.
Added in version 219.
lldp [PATTERN...]
Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If
one or more PATTERNs are specified only neighbors on those
interfaces are shown. Otherwise shows discovered neighbors on all
interfaces. Note that for this feature to work, LLDP= must be
turned on for the specific interface, see systemd.network(5) for
details.
Produces output similar to:
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.
Added in version 219.
label
Show numerical address labels that can be used for address
selection. This is the same information that ip-addrlabel(8) shows.
See RFC 3484[1] for a discussion of address labels.
Produces output similar to:
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
Added in version 234.
delete DEVICE...
Deletes virtual netdevs. Takes interface name or index number.
Added in version 243.
up DEVICE...
Bring devices up. Takes interface name or index number.
Added in version 246.
down DEVICE...
Bring devices down. Takes interface name or index number.
Added in version 246.
renew DEVICE...
Renew dynamic configurations e.g. addresses received from DHCP
server. Takes interface name or index number.
Added in version 244.
forcerenew DEVICE...
Send a FORCERENEW message to all connected clients, triggering DHCP
reconfiguration. Takes interface name or index number.
Added in version 246.
reconfigure DEVICE...
Reconfigure network interfaces. Takes interface name or index
number. Note that this does not reload .netdev or .network
corresponding to the specified interface. So, if you edit config
files, it is necessary to call networkctl reload first to apply new
settings.
Added in version 244.
reload
Reload .netdev and .network files. If a new .netdev file is found,
then the corresponding netdev is created. Note that even if an
existing .netdev is modified or removed, systemd-networkd does not
update or remove the netdev. If a new, modified or removed .network
file is found, then all interfaces which match the file are
reconfigured.
Added in version 244.
edit FILE|@DEVICE...
Edit network configuration files, which include .network, .netdev,
and .link files. If no network config file matching the given name
is found, a new one will be created under /etc/. Specially, if the
name is prefixed by "@", it will be treated as a network interface,
and editing will be performed on the network config files
associated with it. Additionally, the interface name can be
suffixed with ":network" (default) or ":link", in order to choose
the type of network config to operate on.
If --drop-in= is specified, edit the drop-in file instead of the
main configuration file. Unless --no-reload is specified,
systemd-networkd will be reloaded after the edit of the .network or
.netdev files finishes. The same applies for .link files and
systemd-udevd(8). Note that the changed link settings are not
automatically applied after reloading. To achieve that, trigger
uevents for the corresponding interface. Refer to systemd.link(5)
for more information.
Added in version 254.
cat FILE|@DEVICE...
Show network configuration files. This command honors the "@"
prefix in the same way as edit.
Added in version 254.
OPTIONS
The following options are understood:
-a --all
Show all links with status.
Added in version 219.
-s --stats
Show link statistics with status.
Added in version 243.
-l, --full
Do not ellipsize the output.
Added in version 245.
-n, --lines=
When used with status, controls the number of journal lines to
show, counting from the most recent ones. Takes a positive integer
argument. Defaults to 10.
Added in version 245.
--drop-in=NAME
When used with edit, edit the drop-in file NAME instead of the main
configuration file.
Added in version 254.
--no-reload
When used with edit, systemd-networkd.service(8) or systemd-
udevd.service(8) will not be reloaded after the editing finishes.
Added in version 254.
--json=MODE
Shows output formatted as JSON. Expects one of "short" (for the
shortest possible output without any redundant whitespace or line
breaks), "pretty" (for a pretty version of the same, with
indentation and line breaks) or "off" (to turn off JSON output, the
default).
-h, --help
Print a short help text and exit.
--version
Print a short version string and exit.
--no-legend
Do not print the legend, i.e. column headers and the footer with
hints.
--no-pager
Do not pipe output into a pager.
EXIT STATUS
On success, 0 is returned, a non-zero failure code otherwise.
SEE ALSO
systemd-networkd.service(8), systemd.network(5), systemd.netdev(5),
ip(8)
NOTES
1. RFC 3484
https://tools.ietf.org/html/rfc3484
systemd 255 NETWORKCTL(1)
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