#include<SPI.h>#include<Ethernet.h>// Enter a MAC address for your controller below.
// Newer Ethernet shields have a MAC address printed on a sticker on the shield
bytemac[]={0x00,0xAA,0xBB,0xCC,0xDE,0x02};// Initialize the Ethernet client library
// with the IP address and port of the server
// that you want to connect to (port 80 is default for HTTP):
EthernetClientclient;voidsetup(){// start the serial library:
Serial.begin(9600);// start the Ethernet connection:
if(Ethernet.begin(mac)==0){Serial.println("Failed to configure Ethernet using DHCP");// no point in carrying on, so do nothing forevermore:
for(;;);}// print your local IP address:
Serial.println(Ethernet.localIP());}voidloop(){}