「networkctl」-

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networkctl – Query the status of network links

命令语法格式


networkctl [OPTIONS…] COMMAND [LINK…]

命令描述


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.

命令支持的选项及含义


The following options are understood:

-a –all
Show all links with status.

-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.

COMMANDS


The following commands are understood:

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.

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

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 on 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.

退出状态


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

相关手册


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

参考文献


  • man 1 networkctl, Version systemd 232

更新日志


  • 07/26/2018 创建文章