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 UP qlen 1000 link/ether 00:22:33:44:55:66 brd ff:ff:ff:ff:ff:ff inet6 fe80::222:33ff:fe44:5566/64 scope link valid_lft forever preferred_lft forever 3: wlan0: mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 00:1f:3c:27:77:68 brd ff:ff:ff:ff:ff:ff 9: ppp0: mtu 1492 qdisc pfifo_fast state UNKNOWN qlen 3 link/ppp inet 117.199.49.239 peer 117.199.48.1/32 scope global ppp0