[root@apc01 ~]# ifconfig
enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255
inet6 fe80::a00:27ff:febc:4ec2 prefixlen 64 scopeid 0x20<link>
ether 08:00:27:bc:4e:c2 txqueuelen 1000 (Ethernet)
RX packets 100 bytes 8950 (8.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 132 bytes 12983 (12.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@apc01 ~]# ifconfig enp0s9:1 192.168.100.111/24 up
[root@apc01 ~]# ifconfig enp0s9:1 down
[root@apc01 ~]# ip addr add xxx.xxx.xxx.xxx/24 dev eth0
[root@apc01 ~]# ip addr add xxx.xxx.xxx.xxx dev eth0
[root@apc01 ~]# ip -6 addr add 2345:6789::abcd dev eth0
[root@apc01 ~]# ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:bc:4e:c2 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global enp0s3
inet6 fe80::a00:27ff:febc:4ec2/64 scope link
valid_lft forever preferred_lft forever
[root@apc01 ~]# ip route show （ルーティングテーブル）
default via 10.0.2.2 dev enp0s3 proto static metric 100
10.0.2.0/24 dev enp0s3 proto kernel scope link src 10.0.2.15 metric 100
192.168.0.0/24 dev enp0s10 proto kernel scope link src 192.168.0.107 metric 100
192.168.56.0/24 dev enp0s8 proto kernel scope link src 192.168.56.107 metric 100
192.168.100.0/24 dev enp0s9 proto kernel scope link src 192.168.100.107 metric 100
[root@apc01 ~]# ip link set enp0s9 down
[root@apc01 ~]# ip link set enp0s9 up
[root@apc01 ~]# ip link show （MACアドレス）
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 08:00:27:bc:4e:c2 brd ff:ff:ff:ff:ff:ff
[root@apc01 ~]# ip neigh show （arpテーブル）
fe80::212:e2ff:fe10:20f0 dev enp0s10 lladdr 00:12:e2:10:20:f0 router STALE
10.0.2.2 dev enp0s3 lladdr 52:54:00:12:35:02 REACHABLE
192.168.56.1 dev enp0s8 lladdr 0a:00:27:00:00:0f REACHABLE