jede Netzwerkkarte hat
/sbin/ifconfig eth0 Link encap:Ethernet HWaddr 00:40:F4:0C:40:83 inet addr:192.168.0.80 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::240:f4ff:fe0c:4083/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1