diff --git a/agent/device/asfvolt16/vendor.h b/agent/device/asfvolt16/vendor.h
index 7cadd9b..f63142e 100644
--- a/agent/device/asfvolt16/vendor.h
+++ b/agent/device/asfvolt16/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 2000000 // in microseconds
+
 #endif
diff --git a/agent/device/asgvolt64/vendor.h b/agent/device/asgvolt64/vendor.h
index 3b5c844..89a4bff 100644
--- a/agent/device/asgvolt64/vendor.h
+++ b/agent/device/asgvolt64/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 2000000 // in microseconds
+
 #endif
diff --git a/agent/device/generic/vendor.h b/agent/device/generic/vendor.h
index 4a94df1..8d2a5a0 100644
--- a/agent/device/generic/vendor.h
+++ b/agent/device/generic/vendor.h
@@ -36,4 +36,6 @@
 #define MAX_FLOW_ID 65535
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 200000 // in microseconds
+
 #endif
diff --git a/agent/device/rlt-1600g-w/vendor.h b/agent/device/rlt-1600g-w/vendor.h
index a126063..2a62bcb 100644
--- a/agent/device/rlt-1600g-w/vendor.h
+++ b/agent/device/rlt-1600g-w/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 200000 // in microseconds
+
 #endif
diff --git a/agent/device/rlt-1600x-w/vendor.h b/agent/device/rlt-1600x-w/vendor.h
index 80410a3..ec6b5c6 100644
--- a/agent/device/rlt-1600x-w/vendor.h
+++ b/agent/device/rlt-1600x-w/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 200000 // in microseconds
+
 #endif
diff --git a/agent/device/rlt-3200g-w/vendor.h b/agent/device/rlt-3200g-w/vendor.h
index 761bb53..b55cc02 100644
--- a/agent/device/rlt-3200g-w/vendor.h
+++ b/agent/device/rlt-3200g-w/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 200000 // in microseconds
+
 #endif
diff --git a/agent/device/sim/vendor.h b/agent/device/sim/vendor.h
index 3cecd88..1dbc9cd 100644
--- a/agent/device/sim/vendor.h
+++ b/agent/device/sim/vendor.h
@@ -42,4 +42,6 @@
 #define MAX_FLOW_ID FLOW_ID_END
 #define INVALID_FLOW_ID 0
 
+#define MAC_DEVICE_ACTIVATION_DELAY 200000 // in microseconds
+
 #endif