Vamos visualizar as interfaces disponíveis na máquina.
ip addr show
julio@julio:~$ ip addr show 3: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether a4:1f:72:f5:81:1f brd ff:ff:ff:ff:ff:ff inet 192.168.1.11/24 scope global enp4s0 valid_lft forever preferred_lft forever
Vamos criar a interface com o ip e subir .
julio@julio:~$ sudo ip addr add 10.1.1.246/24 dev enp4s0 label enp4s0:virtual julio@julio:~$ sudo ip link set enp4s0:virtual up
Verificando.
ip addr show
julio@julio:~$ ip addr show 3: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether a4:1f:72:f5:81:1f brd ff:ff:ff:ff:ff:ff inet 192.168.1.11/24 scope global enp4s0 valid_lft forever preferred_lft forever inet 10.1.1.246/24 scope global enp4s0:virtual valid_lft forever preferred_lft forever inet6 fe80::a61f:72ff:fef5:811f/64 scope link valid_lft forever preferred_lft forever