static void displayInfo(NetworkInterface netint) throws IOException {
inetAddresses = netint.getInterfaceAddresses();
System.out.println("some information about my link:");
System.out.printf("Display name: %s\n", netint.getDisplayName());
System.out.printf("Name: %s\n", netint.getName());
System.out.printf("Up? %s\n", netint.isUp());
System.out.printf("Loopback? %s\n", netint.isLoopback());
System.out.printf("PointToPoint? %s\n", netint.isPointToPoint());
System.out.printf("Supports multicast? %s\n", netint.supportsMulticast());
System.out.printf("Virtual? %s\n", netint.isVirtual());
System.out.printf("Hardware address: %s\n", Arrays.toString(netint.getHardwareAddress()));
System.out.printf("MTU: %s\n", netint.getMTU());
System.out.printf("\n");
System.out.println(
"my ip address is: " + ((InterfaceAddress) inetAddresses.get(0)).getAddress());
System.out.println(
"the sunnetmask address is: "
+ ((InterfaceAddress) inetAddresses.get(0)).getNetworkPrefixLength());
System.out.println("the broadcast address of this subnet is:" + bcid);
}
public static void showNIC() {
// http://www.informatik-blog.net/2009/01/28/informationen-der-netzwerkkarten-auslesen/
try {
Enumeration<NetworkInterface> interfaceNIC = NetworkInterface.getNetworkInterfaces();
// Alle Schnittstellen durchlaufen
while (interfaceNIC.hasMoreElements()) {
// Elemente abfragen und ausgeben
NetworkInterface n = interfaceNIC.nextElement();
System.out.println(
String.format("Netzwerk-Interface: %s (%s)", n.getName(), n.getDisplayName()));
// Adressen abrufen
Enumeration<InetAddress> addresses = n.getInetAddresses();
// Adressen durchlaufen
while (addresses.hasMoreElements()) {
InetAddress address = addresses.nextElement();
System.out.println(String.format("- %s", address.getHostAddress()));
}
}
System.out.println();
} catch (SocketException e) {
e.printStackTrace();
}
}