NETWORKCTL(1)

  .SH "NAME" networkctl - Query the status of network links
  .SH "SYNOPSIS"
    .HP u
      networkctl
       [OPTIONS...]
       COMMAND
       [LINK...]

  .SH "DESCRIPTION"

    .PP networkctl may be used to introspect 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.

  .SH "OPTIONS"

    .PP The following options are understood:

      .PP -a --all

              Show all links with status.

          .RE
          .PP -h, --help

              Print a short help text and exit.
          .RE
              .PP --version

                  Print a short version string and exit.

              .RE
                  .PP --no-legend

                      Do not print the legend, i.e. column headers and the footer with hints.

                  .RE
                      .PP --no-pager

                          Do not pipe output into a pager.

                      .RE

                      .SH "COMMANDS"

                        .PP The following commands are understood:

                          .PP list [LINK...]

                                  Show a list of existing links and their status. 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:
                                      .PP off

                                              the device is powered down

                                          .RE
                                          .PP no-carrier

                                                  the device is powered up, but it does not yet have a carrier

                                              .RE
                                              .PP dormant

                                                      the device has a carrier, but is not yet ready for normal traffic

                                                  .RE
                                                  .PP carrier

                                                          the link has a carrier

                                                      .RE
                                                      .PP degraded

                                                              the link has carrier and addresses valid on the local link configured

                                                          .RE
                                                          .PP routable

                                                                  the link has carrier and routable address configured

                                                              .RE
                                                            .sp
                                                        The setup status is one of the following:
                                                              .PP pending

                                                                      udev is still processing the link, we don't yet know if we will manage it

                                                                  .RE
                                                                  .PP failed

                                                                          networkd failed to manage the link

                                                                      .RE
                                                                      .PP configuring

                                                                              in the process of retrieving configuration or configuring the link

                                                                          .RE
                                                                          .PP configured

                                                                                  link configured successfully

                                                                              .RE
                                                                              .PP unmanaged

                                                                                      networkd is not handling the link

                                                                                  .RE
                                                                                  .PP linger

                                                                                          the link is gone, but has not yet been dropped by networkd

                                                                                      .RE
                                                                                    .sp

                                                                              .RE
                                                                              .PP status [LINK...]

                                                                                      Show information about the specified links: type, state, kernel module driver, hardware and IP address, configured DNS servers, etc.

                                                                                      When no links are specified, an overall network status is shown. Also see the option --all.

                                                                                      Produces output similar to:

                                                                                ●      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

                                                                                  .RE
                                                                                  .PP lldp [LINK...]

                                                                                          Show discovered LLDP (Link Layer Discovery Protocol) neighbors. If one or more link names 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.

                                                                                      .RE
                                                                                      .PP 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

                                                                                          .RE

                                                                                      .SH "EXIT STATUS"

                                                                                        .PP On success, 0 is returned, a non-zero failure code otherwise.

                                                                                      .SH "SEE ALSO"

                                                                                        .PP systemd-networkd.service(8), systemd.network(5), systemd.netdev(5), ip(8)

NOTES

1.  RFC 3484
    https://tools.ietf.org/html/rfc3484