diff --git a/examples/osd/er-rest-example-merkurboard/er-example-client.c b/examples/osd/er-rest-example-merkurboard/er-example-client.c
index 20cc507b8..b5abe9f05 100644
--- a/examples/osd/er-rest-example-merkurboard/er-example-client.c
+++ b/examples/osd/er-rest-example-merkurboard/er-example-client.c
@@ -74,7 +74,7 @@
 #endif
 
 /* TODO: This server address is hard-coded for Cooja. */
-#define SERVER_NODE(ipaddr)   uip_ip6addr(ipaddr, 0xfe80, 0, 0, 0, 0x0221, 0x2eff, 0xff00, 0x26D0) /* cooja2 */
+#define SERVER_NODE(ipaddr)   uip_ip6addr(ipaddr, 0xfe80, 0, 0, 0, 0x0221, 0x2eff, 0xff00, 0x270d) /* cooja2 */
 
 #define LOCAL_PORT      UIP_HTONS(COAP_DEFAULT_PORT+1)
 #define REMOTE_PORT     UIP_HTONS(COAP_DEFAULT_PORT)
@@ -127,7 +127,7 @@ PROCESS_THREAD(coap_client_example, ev, data)
       /* send a request to notify the end of the process */
 
       PRINTF("--Toggle --\n");
-      //leds_toggle(LEDS_RED);
+      leds_toggle(LEDS_RED);
       /* prepare request, TID is set by COAP_BLOCKING_REQUEST() */
 
       coap_init_message(request, COAP_TYPE_CON, COAP_POST, 0 );
diff --git a/examples/osd/er-rest-example-merkurboard/er-example-client.osd-merkur.eep b/examples/osd/er-rest-example-merkurboard/er-example-client.osd-merkur.eep
index bd9f1b15e..16392b886 100644
--- a/examples/osd/er-rest-example-merkurboard/er-example-client.osd-merkur.eep
+++ b/examples/osd/er-rest-example-merkurboard/er-example-client.osd-merkur.eep
@@ -1,4 +1,4 @@
-:1000000000212EFFFF001EF941544D45474131327A
+:1000000000212EFFFF001EFB41544D454741313278
 :100010003872666131006C6F63616C686F73740075
 :0900200000001AE5CDAB00000060
 :00000001FF
diff --git a/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur b/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur
index c736773f5..6d2e9f30f 100755
Binary files a/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur and b/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur differ
diff --git a/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur.eep b/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur.eep
index 1996e8fde..916219dda 100644
--- a/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur.eep
+++ b/examples/osd/er-rest-example-merkurboard/er-example-server.osd-merkur.eep
@@ -1 +1,4 @@
+:1000000000212EFFFF00270D41544D45474131325D
+:100010003872666131006C6F63616C686F73740075
+:0900200000001AE5CDAB00000060
 :00000001FF
diff --git a/platform/osd-merkur/params.h b/platform/osd-merkur/params.h
index 100f57586..807cb89d1 100644
--- a/platform/osd-merkur/params.h
+++ b/platform/osd-merkur/params.h
@@ -20,8 +20,8 @@
 //#define PARAMETER_STORAGE 2
 #define PARAMETER_STORAGE 2
 #else
-//#define PARAMETER_STORAGE 1
-#define PARAMETER_STORAGE 0
+#define PARAMETER_STORAGE 1
+//#define PARAMETER_STORAGE 0           // get mac form boolaoder, need bootlaoder bonsai, PARAMETER_STORAGE 0
 #endif
 
 /* Include settings.h, then dummy out the write routines */
@@ -75,7 +75,7 @@ extern uint8_t eemem_domain_name[30];
 #if UIP_CONF_LL_802154
 //#define PARAMS_EUI64ADDR {0x02, 0xNN, 0xNN, 0xNN, 0xNN, 0xNN, 0xNN, 0xNN}
 //#define PARAMS_EUI64ADDR {0x02, 0x00, 0x00, 0xff, 0xfe, 0x00, 0x00, 0x01}
-#define PARAMS_EUI64ADDR {0x00, 0x21, 0x2e, 0xff, 0xff, 0x00, 0x26, 0xd0}
+#define PARAMS_EUI64ADDR {0x00, 0x21, 0x2e, 0xff, 0xff, 0x00, 0x27, 0x0d}
 //#define PARAMS_EUI64ADDR {0x00, 0x21, 0x2e, 0xff, 0xff, 0x00, 0x1E, 0xFB}
 #else
 //#define PARAMS_EUI64ADDR {0x02, 0xNN, 0xNN, 0xff, 0xfe, 0xNN, 0xNN, 0xNN}