1: lo: mtu 16436 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: eth0: mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 00:26:18:92:e2:44 brd ff:ff:ff:ff:ff:ff 3: wlan0: mtu 1500 qdisc mq state DOWN qlen 1000 link/ether 00:25:d3:5d:58:c8 brd ff:ff:ff:ff:ff:ff 4: ppp0: mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 3 link/ppp inet 10.172.27.50 peer 10.64.64.64/32 scope global ppp0