diff --git a/08_m1284p_WIZNET_ICMP_aka_ping/main.c b/08_m1284p_WIZNET_ICMP_aka_ping/main.c
index 80ba64f..a15a2f1 100644
--- a/08_m1284p_WIZNET_ICMP_aka_ping/main.c
+++ b/08_m1284p_WIZNET_ICMP_aka_ping/main.c
@@ -56,6 +56,26 @@
 #define sw1_conf()      {DDRC &= ~(1<<DDC5); PORTC |= (1<<PORTC5);}
 #define sw1_read()     (PINC & (1<<PINC5))
 
+#ifdef IP_WORK
+uint8_t ping_ip[4] = { 192, 168, 0, 100 }; //Ping IP address
+//NIC metrics for WORK PC
+wiz_NetInfo netInfo = { .mac  = {0x00, 0x08, 0xdc, 0xab, 0xcd, 0xef}, // Mac address
+		.ip   = {192, 168, 0, 199},         // IP address
+		.sn   = {255, 255, 255, 0},         // Subnet mask
+		.dns =  {8,8,8,8},			  // DNS address (google dns)
+		.gw   = {192, 168, 0, 1}, // Gateway address
+		.dhcp = NETINFO_STATIC};    //Static IP configuration
+#else
+uint8_t ping_ip[4] = { 192, 168, 1, 81 }; //Ping IP address
+//NIC metrics for another PC (second IP configuration)
+wiz_NetInfo netInfo = { .mac  = {0x00, 0x08, 0xdc, 0xab, 0xcd, 0xef}, // Mac address
+		.ip   = {192, 168, 1, 199},         // IP address
+		.sn   = {255, 255, 255, 0},         // Subnet mask
+		.dns =  {8,8,8,8},			  // DNS address (google dns)
+		.gw   = {192, 168, 1, 1}, // Gateway address
+		.dhcp = NETINFO_STATIC};    //Static IP configuration
+#endif
+
 //*********Global vars
 #define TICK_PER_SEC 1000UL
 volatile unsigned long _millis; // for millis tick !! Overflow every ~49.7 days
@@ -216,13 +236,6 @@ uint16_t adc_read(uint8_t channel)
 unsigned char ethBuf0[ETH_MAX_BUF_SIZE];
 unsigned char ethBuf1[ETH_MAX_BUF_SIZE];
 
-wiz_NetInfo netInfo = { .mac  = {0x00, 0x08, 0xdc, 0xab, 0xcd, 0xef}, // Mac address
-		.ip   = {192, 168, 0, 199},         // IP address
-		.sn   = {255, 255, 255, 0},         // Subnet mask
-		.dns =  {8,8,8,8},			  // DNS address (google dns)
-		.gw   = {192, 168, 0, 1}, // Gateway address
-		.dhcp = NETINFO_STATIC};    //Dynamic IP configruation from a DHCP sever
-
 void cs_sel() {
 	SPI_WIZNET_ENABLE();
 }
@@ -360,7 +373,6 @@ int main()
 			//ping_request(2, netInfo.gw);
 
 			PRINTF("\r\n>> PING my PC\r\n");
-			uint8_t ping_ip[4] = { 192, 168, 0, 100 };
 			ping_request(2, ping_ip); //DEVELOPER PC IP
 		}