diff --git a/core/grpc_service.go b/core/grpc_service.go
index 3981aed..ac0c57d 100644
--- a/core/grpc_service.go
+++ b/core/grpc_service.go
@@ -105,6 +105,7 @@
 	resp.IntfId = msg.IntfId
 	resp.OnuId = msg.OnuId
 	resp.Pkt = make([]byte, len(msg.Pkt))
+	copy(resp.Pkt, msg.Pkt)
 	s.omciOut <- resp
 	return new(openolt.Empty), nil
 }
diff --git a/core/omci.go b/core/omci.go
index f003712..6644f08 100644
--- a/core/omci.go
+++ b/core/omci.go
@@ -16,8 +16,6 @@
 
 package core
 
-import "gerrit.opencord.org/voltha-bbsim/common/logger"
-
 type OmciMsg struct {
 	IntfId uint32
 	OnuId  uint32
@@ -26,8 +24,20 @@
 
 func OmciRun(omciOut chan OmciMsg, omciIn chan OmciMsg) {
 	for {
+		var resp OmciMsg
+
 		msg := <-omciOut
-		logger.Debug("OmciRun IF %v (ONU-ID: %v) pkt:%x.", msg.IntfId, msg.OnuId, msg.Pkt)
-		omciIn <- msg
+
+		resp.Pkt = []byte{
+			0x00, 0x01, 0x2f, 0x0a, 0x00, 0x02, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x1f,
+			0x75, 0x69, 0xaa}
+
+		resp.IntfId = msg.IntfId
+		resp.OnuId = msg.OnuId
+		omciIn <- resp
 	}
 }