[systemd][自分用メモ] networkctlコマンドについて

$ networkctl --help
networkctl [OPTIONS...]

Query and control the networking subsystem.

-h --help             Show this help
--version          Show package version
--no-pager         Do not pipe output into a pager
--no-legend        Do not show the headers and footers
-a --all              Show status for all links

Commands:
list [LINK...]        List links
status [LINK...]      Show link status
lldp [LINK...]        Show LLDP neighbors

$ networkctl list
IDX LINK             TYPE               OPERATIONAL SETUP
1 lo               loopback           carrier     unmanaged
2 eth0             ether              routable    configured
3 sit0             sit                off         unmanaged 

$ networkctl status eth0
● 2: eth0
Link File: /lib/systemd/network/99-default.link
Network File: /etc/systemd/network/eth0.network
Type: ether
State: routable (configured)
Path: platform-1c30000.eth
HW Address: 36:c9:e3:xx:xx:xx
Address: 192.168.xxx.xxx
240b:11:8500:xxxx:xxxx::xxxx
fe80::34c9:xxxx:xxxx:xxxx
Gateway: 192.168.xxx.xxx (Routerboard.com)
240b:11:8500:xxxx:xxxx::xxxx (Routerboard.com)
DNS: 192.168.xxx.xxxx
192.168.xxx.xxx
Connected To: Mikrotik on port bridge1
RB850Gx2 on port ether1
MikroTik on port ether1

$ networkctl
list    lldp    status
kometch@dns03:~$ networkctl lldp
LINK             CHASSIS ID        SYSTEM NAME      CAPS        PORT ID           PORT DESCRIPTION
eth0             4c:5e:0c:xx:xx:xx Mikrotik         ..b.r...... bridge1           n/a
eth0             4c:5e:0c:xx:xx:xx RB850Gx2         ....r...... ether1            n/a
eth0             4c:5e:0c:xx:xx:xx MikroTik         ....r...... ether1            n/a

Capability Flags:
b - Bridge; r - Router

3 neighbors listed.