UNIX: разработка сетевых приложений

 ::1 ::1 UH lo0
 ::ffff:0.0.0.0/96 ::1 UGRSc lo0
 3ffe:b80:3:9ad1::1 3ffe:b80:3:9ad1::2 UH gif0
 3ffe:b80:3:9ad1::2 link#8 UHL lo0
 3ffe:b80:1f8d::/48 lo0 USc lo0
 3ffe:b80:1f8d:1::/64 link#1 UC hme0
 3ffe:b80:1f8d:1::1 08:00:20:a7:68:6b UHL lo0
 3ffe:b80:1f8d:2::/64 link#2 UC hme1
 3ffe:b80:1f8d:2::1 08:00:20:a7:68:6b UHL lo0
 3ffe:b80:1f8d:2:204:acff:fe17:bf38 00:04.ac:17:bf:38 UHLW hme1
 fe80::/10 ::1 UGRSc lo0
 fe80::%hme0/64 link#1 UC hme0
 fe80::a00:20ff:fea7:686b%hme0 08:00:20:a7:68:6b UHL lo0
 fe80::%hme1/64 link#2 UC hme1
 fe80::a00:20ff:fea7:686b%hme1 08:00:20:a7:68:6b UHL lo0
 fe80::%lo0/64 fe80::1%lo0 Uc lo0
 fe80::1%lo0 link#6 UHL lo0
 fe80::%gif0/64 link#8 UC gif0
 fe80::a00:20ff:fea7:686b%gif0 link#8 UHL lo0
 ff01::/32 ::1 U lo0
 ff02::/16 ::1 UGRS lo0
 ff02::%hme0/32 link#1 UC hme0
 ff02::%hem1/32 link#2 UC hme1
 ff02::%lo0/32 ::1 UC lo0
 ff02::%gif0/32 link#8 UC gif0

3. Имея имена интерфейсов, мы выполняем команду ifconfig, чтобы получить подробную информацию для каждого интерфейса:

 linux % ifconfig eth0
 eth0 Link encap:Ethernet HWaddr 00:C0:9F:06:B0:E1
  inet addr:206.168.112.96 Bcast:206.168.112.127 Mask:255.255.255.128
  UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
  RX packets:49214397 errors:0 dropped:0 overruns:0 frame:0
  TX packets:40543799 errors:0 dropped:0 overruns:0 carrier:0
  collisions:0 txqueuelen:100
  RX bytes:1098069974 (1047.2 Mb) TX bytes:3360546472 (3204.8 Mb)