Display Available Network Ethernet Interfaces

List Network Interfaces Using ip Command

Type the following command, enter:

$ ip link show

Sample outputs:

$ 1: lo: <loopback,up,lower_up> mtu 16436 qdisc noqueue state UNKNOWN
 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <broadcast,multicast,up,lower_up> mtu 1500 qdisc mq state UP qlen 1000
 link/ether b8:ac:6f:65:31:e5 brd ff:ff:ff:ff:ff:ff
3: wlan0: <broadcast,multicast> mtu 1500 qdisc mq state DOWN qlen 1000
 link/ether 00:21:6a:ca:9b:10 brd ff:ff:ff:ff:ff:ff
4: vboxnet0: <broadcast,multicast> mtu 1500 qdisc noop state DOWN qlen 1000
 link/ether 0a:00:27:00:00:00 brd ff:ff:ff:ff:ff:ff
5: pan0: <broadcast,multicast> mtu 1500 qdisc noop state DOWN
 link/ether c2:10:fa:55:8e:32 brd ff:ff:ff:ff:ff:ff
6: vmnet1: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
 link/ether 00:50:56:c0:00:01 brd ff:ff:ff:ff:ff:ff
7: vmnet8: <broadcast,multicast,up,lower_up> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
 link/ether 00:50:56:c0:00:08 brd ff:ff:ff:ff:ff:ff
11: ppp0: <pointopoint,multicast,noarp,up,lower_up> mtu 1496 qdisc pfifo_fast state UNKNOWN qlen 3
 link/ppp

Show a Table Of All Network Interfaces Using netstat Command

Type the following command:

$ netstat -I

Sample outputs:

Kernel Interface table
Iface   MTU Met   RX-OK RX-ERR RX-DRP RX-OVR    TX-OK TX-ERR TX-DRP TX-OVR Flg
eth0       1500 0   2697347      0      0 0       2630262      0      0      0 BMRU
lo        16436 0      2840      0      0 0          2840      0      0      0 LRU
ppp0       1496 0    102800      0      0 0         63437      0      0      0 MOPRU
vmnet1     1500 0         0      0      0 0            49      0      0      0 BMRU
vmnet8     1500 0         0      0      0 0            49      0      0      0 BMRU

ifconfig Command Example

Type the following command:

$ /sbin/ifconfig -a

Sample outputs:

eth0      Link encap:Ethernet  HWaddr b8:ac:6f:65:31:e5
          inet addr:192.168.2.100  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::baac:6fff:fe65:31e5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:2697529 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2630541 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2159382827 (2.0 GiB)  TX bytes:1389552776 (1.2 GiB)
          Interrupt:17
lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2849 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2849 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2778290 (2.6 MiB)  TX bytes:2778290 (2.6 MiB)