linuxcnc@linuxcnc:~$ ip a 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: enp1s0: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000 link/ether c4:54:44:7a:e0:8f brd ff:ff:ff:ff:ff:ff inet 192.168.1.121/24 brd 192.168.1.255 scope global enp1s0 valid_lft forever preferred_lft forever inet6 fe80::c654:44ff:fe7a:e08f/64 scope link valid_lft forever preferred_lft forever 3: wlp2s0: mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 54:27:1e:b8:4c:7f brd ff:ff:ff:ff:ff:ff linuxcnc@linuxcnc:~$ ping -c 4 192.168.1.121 PING 192.168.1.121 (192.168.1.121) 56(84) bytes of data. 64 bytes from 192.168.1.121: icmp_seq=1 ttl=64 time=0.045 ms 64 bytes from 192.168.1.121: icmp_seq=2 ttl=64 time=0.058 ms 64 bytes from 192.168.1.121: icmp_seq=3 ttl=64 time=0.057 ms 64 bytes from 192.168.1.121: icmp_seq=4 ttl=64 time=0.059 ms --- 192.168.1.121 ping statistics --- 4 packets transmitted, 4 received, 0% packet loss, time 30ms rtt min/avg/max/mdev = 0.045/0.054/0.059/0.010 ms linuxcnc@linuxcnc:~$