Kita bisa menggunakan perintah berikut untuk melihat semua perangkat jaringan yang ada di linux operating system:
• ip command – ini digunakan untuk menampilkan atau merubah routing, device, policy routing dan tunnels.
• netstat command – network connections, routing tables, interface statistics, masquerade connections, dan multicast memberships.
• ifconfig command – digunakan untuk menmpilkan atau melakukan konfigurasi network interface.
1. Melihat network interface dengan ip command
Ketik perintah berikut:
ip link show
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Output:
1: lo: mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd
00:00:00:00:00:00
2: eth0: 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: 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: 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: mtu 1500 qdisc noop state DOWN
link/ether c2:10:fa:55:8e:32 brd
ff:ff:ff:ff:ff:ff
6: vmnet1: 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: 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: mtu 1496 qdisc pfifo_fast state UNKNOWN
qlen 3
link/ppp
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Maksudnya adalah:
lo – Loopback interface.
eth0 – Ethernet network interface yang pertama.
wlan0 – Wireless network interface yang pertama.
ppp0 – Point to Point Protocol network interface yang pertama yang dapat digunakan untuk dial up modem, PPTP vpn connection, atau 3G wireless USB modem.
vboxnet0, vmnet1, vmnet8 – Virtual machine interface working pada bridge mode atau NAT mode.
2. Menampilkan semua Network Interfaces menggunakan netstat Command
netstat -i
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Output:
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
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3. Menggunakan ifocnfig command
/sbin/ifconfig -a
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Output:
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)
ppp0 Link encap:Point-to-Point Protocol
inet addr:10.1.3.105 P-t-P:10.0.31.18 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP
MULTICAST MTU:1496 Metric:1
RX packets:102800 errors:0
dropped:0 overruns:0 frame:0
TX packets:63437 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:148532544 (141.6 MiB) TX bytes:4425518 (4.2 MiB)
vmnet1 Link encap:Ethernet HWaddr 00:50:56:c0:00:01
inet addr:192.168.47.1 Bcast:192.168.47.255 Mask:255.255.255.0
inet6 addr:
fe80::250:56ff:fec0:1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:0 errors:0 dropped:0
overruns:0 frame:0
TX packets:49 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
vmnet8 Link encap:Ethernet HWaddr 00:50:56:c0:00:08
inet addr:172.16.232.1 Bcast:172.16.232.255 Mask:255.255.255.0
inet6 addr:
fe80::250:56ff:fec0:8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:0 errors:0 dropped:0
overruns:0 frame:0
TX packets:49 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
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