Decimal points error

Projects Programming
2 
  Ethernet.begin(0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED, 192.168.1.1);                        //Start the Ethernet and UDP
                                                     -----------
                                                      This here

Look at the example code:

#include <Ethernet.h>

// the media access control (ethernet hardware) address for the shield:
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };  
//the IP address for the shield:
byte ip[] = { 10, 0, 0, 177 };    

void setup()
{
  Ethernet.begin(mac, ip);
}

void loop () {}

You can't pass the mac and ip addresses as literals.