diff --git a/VERSION b/VERSION
index 61fcc87..91ff572 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.2
+5.2.0
diff --git a/go/inter_adapter/inter_adapter.pb.go b/go/inter_adapter/inter_adapter.pb.go
index 7055d3e..fd76f67 100644
--- a/go/inter_adapter/inter_adapter.pb.go
+++ b/go/inter_adapter/inter_adapter.pb.go
@@ -95,6 +95,77 @@
 	return ""
 }
 
+type OmciMessages struct {
+	Messages             [][]byte                    `protobuf:"bytes,1,rep,name=messages,proto3" json:"messages,omitempty"`
+	ConnectStatus        common.ConnectStatus_Types  `protobuf:"varint,2,opt,name=connect_status,json=connectStatus,proto3,enum=common.ConnectStatus_Types" json:"connect_status,omitempty"`
+	ProxyAddress         *voltha.Device_ProxyAddress `protobuf:"bytes,3,opt,name=proxy_address,json=proxyAddress,proto3" json:"proxy_address,omitempty"`
+	ParentDeviceId       string                      `protobuf:"bytes,4,opt,name=parent_device_id,json=parentDeviceId,proto3" json:"parent_device_id,omitempty"`
+	ChildDeviceId        string                      `protobuf:"bytes,5,opt,name=child_device_id,json=childDeviceId,proto3" json:"child_device_id,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                    `json:"-"`
+	XXX_unrecognized     []byte                      `json:"-"`
+	XXX_sizecache        int32                       `json:"-"`
+}
+
+func (m *OmciMessages) Reset()         { *m = OmciMessages{} }
+func (m *OmciMessages) String() string { return proto.CompactTextString(m) }
+func (*OmciMessages) ProtoMessage()    {}
+func (*OmciMessages) Descriptor() ([]byte, []int) {
+	return fileDescriptor_a316e60f0a1fb837, []int{1}
+}
+
+func (m *OmciMessages) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_OmciMessages.Unmarshal(m, b)
+}
+func (m *OmciMessages) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_OmciMessages.Marshal(b, m, deterministic)
+}
+func (m *OmciMessages) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OmciMessages.Merge(m, src)
+}
+func (m *OmciMessages) XXX_Size() int {
+	return xxx_messageInfo_OmciMessages.Size(m)
+}
+func (m *OmciMessages) XXX_DiscardUnknown() {
+	xxx_messageInfo_OmciMessages.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_OmciMessages proto.InternalMessageInfo
+
+func (m *OmciMessages) GetMessages() [][]byte {
+	if m != nil {
+		return m.Messages
+	}
+	return nil
+}
+
+func (m *OmciMessages) GetConnectStatus() common.ConnectStatus_Types {
+	if m != nil {
+		return m.ConnectStatus
+	}
+	return common.ConnectStatus_UNKNOWN
+}
+
+func (m *OmciMessages) GetProxyAddress() *voltha.Device_ProxyAddress {
+	if m != nil {
+		return m.ProxyAddress
+	}
+	return nil
+}
+
+func (m *OmciMessages) GetParentDeviceId() string {
+	if m != nil {
+		return m.ParentDeviceId
+	}
+	return ""
+}
+
+func (m *OmciMessages) GetChildDeviceId() string {
+	if m != nil {
+		return m.ChildDeviceId
+	}
+	return ""
+}
+
 type TechProfileDownloadMessage struct {
 	DeviceId       string `protobuf:"bytes,1,opt,name=device_id,json=deviceId,proto3" json:"device_id,omitempty"`
 	UniId          uint32 `protobuf:"varint,2,opt,name=uni_id,json=uniId,proto3" json:"uni_id,omitempty"`
@@ -112,7 +183,7 @@
 func (m *TechProfileDownloadMessage) String() string { return proto.CompactTextString(m) }
 func (*TechProfileDownloadMessage) ProtoMessage()    {}
 func (*TechProfileDownloadMessage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a316e60f0a1fb837, []int{1}
+	return fileDescriptor_a316e60f0a1fb837, []int{2}
 }
 
 func (m *TechProfileDownloadMessage) XXX_Unmarshal(b []byte) error {
@@ -213,7 +284,7 @@
 func (m *DeleteGemPortMessage) String() string { return proto.CompactTextString(m) }
 func (*DeleteGemPortMessage) ProtoMessage()    {}
 func (*DeleteGemPortMessage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a316e60f0a1fb837, []int{2}
+	return fileDescriptor_a316e60f0a1fb837, []int{3}
 }
 
 func (m *DeleteGemPortMessage) XXX_Unmarshal(b []byte) error {
@@ -276,7 +347,7 @@
 func (m *DeleteTcontMessage) String() string { return proto.CompactTextString(m) }
 func (*DeleteTcontMessage) ProtoMessage()    {}
 func (*DeleteTcontMessage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a316e60f0a1fb837, []int{3}
+	return fileDescriptor_a316e60f0a1fb837, []int{4}
 }
 
 func (m *DeleteTcontMessage) XXX_Unmarshal(b []byte) error {
@@ -337,7 +408,7 @@
 func (m *OnuIndicationMessage) String() string { return proto.CompactTextString(m) }
 func (*OnuIndicationMessage) ProtoMessage()    {}
 func (*OnuIndicationMessage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a316e60f0a1fb837, []int{4}
+	return fileDescriptor_a316e60f0a1fb837, []int{5}
 }
 
 func (m *OnuIndicationMessage) XXX_Unmarshal(b []byte) error {
@@ -388,7 +459,7 @@
 func (m *TechProfileInstanceRequestMessage) String() string { return proto.CompactTextString(m) }
 func (*TechProfileInstanceRequestMessage) ProtoMessage()    {}
 func (*TechProfileInstanceRequestMessage) Descriptor() ([]byte, []int) {
-	return fileDescriptor_a316e60f0a1fb837, []int{5}
+	return fileDescriptor_a316e60f0a1fb837, []int{6}
 }
 
 func (m *TechProfileInstanceRequestMessage) XXX_Unmarshal(b []byte) error {
@@ -453,6 +524,7 @@
 
 func init() {
 	proto.RegisterType((*OmciMessage)(nil), "inter_adapter.OmciMessage")
+	proto.RegisterType((*OmciMessages)(nil), "inter_adapter.OmciMessages")
 	proto.RegisterType((*TechProfileDownloadMessage)(nil), "inter_adapter.TechProfileDownloadMessage")
 	proto.RegisterType((*DeleteGemPortMessage)(nil), "inter_adapter.DeleteGemPortMessage")
 	proto.RegisterType((*DeleteTcontMessage)(nil), "inter_adapter.DeleteTcontMessage")
@@ -463,43 +535,45 @@
 func init() { proto.RegisterFile("voltha_protos/inter_adapter.proto", fileDescriptor_a316e60f0a1fb837) }
 
 var fileDescriptor_a316e60f0a1fb837 = []byte{
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+	0xeb, 0x5f, 0xd8, 0xf3, 0xe2, 0x06, 0x00, 0x00,
 }
diff --git a/go/olt_inter_adapter_service/olt_inter_adapter_service.pb.go b/go/olt_inter_adapter_service/olt_inter_adapter_service.pb.go
index d958a65..93dade6 100644
--- a/go/olt_inter_adapter_service/olt_inter_adapter_service.pb.go
+++ b/go/olt_inter_adapter_service/olt_inter_adapter_service.pb.go
@@ -33,27 +33,28 @@
 }
 
 var fileDescriptor_3ddb40a5aae0f6e1 = []byte{
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-	0x5b, 0xf6, 0x88, 0xec, 0xb8, 0x73, 0x10, 0x86, 0xf2, 0x50, 0xbb, 0xf9, 0x3b, 0x4c, 0x7a, 0x13,
-	0x43, 0xe3, 0x3a, 0x36, 0x08, 0xa9, 0x59, 0x68, 0x89, 0xdd, 0x27, 0xc7, 0x23, 0xa0, 0x97, 0x86,
-	0x9e, 0x91, 0xa0, 0xca, 0x33, 0xc6, 0x63, 0x63, 0x0f, 0x68, 0x2d, 0x48, 0xd2, 0x68, 0xd3, 0x53,
-	0x1e, 0x85, 0x2d, 0xf2, 0x39, 0x39, 0x99, 0x3a, 0xfc, 0xd9, 0x4c, 0x0a, 0xa9, 0xdf, 0xe0, 0xab,
-	0x02, 0x4f, 0x2c, 0xe5, 0xed, 0xee, 0xea, 0xda, 0x2b, 0x78, 0x2f, 0x14, 0xa4, 0x3d, 0x1e, 0x86,
-	0xe4, 0xdb, 0x21, 0xf9, 0x53, 0x3d, 0x24, 0xab, 0x92, 0xde, 0x08, 0xe8, 0x1d, 0x64, 0x3e, 0x75,
-	0xb8, 0xd2, 0x06, 0xc6, 0xd6, 0x93, 0xb0, 0x12, 0xd8, 0xf5, 0x8e, 0x6d, 0x0f, 0x13, 0x0f, 0xde,
-	0x9e, 0x71, 0xd5, 0x9d, 0x78, 0xc4, 0x6f, 0x6b, 0x50, 0x2c, 0x23, 0x3a, 0xfc, 0x3d, 0x48, 0xfa,
-	0xe8, 0x14, 0xc7, 0x12, 0xac, 0x44, 0xb7, 0xe4, 0x61, 0x85, 0xbc, 0xf3, 0x02, 0x87, 0x17, 0x1f,
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-	0x00, 0x00, 0xff, 0xff, 0x7c, 0x06, 0x94, 0x70, 0x74, 0x02, 0x00, 0x00,
+	// 330 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x92, 0x3f, 0x4f, 0xf3, 0x30,
+	0x10, 0x87, 0xf5, 0xbe, 0x03, 0x83, 0x17, 0xc0, 0x42, 0x95, 0x48, 0x59, 0x18, 0x19, 0xea, 0x20,
+	0x10, 0x13, 0x53, 0xcb, 0x9f, 0xb6, 0x03, 0x6a, 0x45, 0x11, 0x03, 0x4b, 0xe5, 0xba, 0xd7, 0x24,
+	0x92, 0xe3, 0x0b, 0xf6, 0xa5, 0xd0, 0x6f, 0xc1, 0x27, 0xe4, 0xb3, 0xa0, 0xc4, 0xee, 0x90, 0xa8,
+	0x99, 0xa2, 0xe8, 0x9e, 0xdf, 0xe3, 0x3b, 0xdd, 0xb1, 0xc1, 0x16, 0x35, 0xa5, 0x72, 0x59, 0x58,
+	0x24, 0x74, 0x31, 0x6a, 0x5a, 0x66, 0x86, 0xc0, 0x2e, 0xe5, 0x5a, 0x16, 0xd5, 0xd7, 0x81, 0xdd,
+	0x66, 0x0a, 0x44, 0x0d, 0xf0, 0xf3, 0x4e, 0x20, 0x8a, 0x9a, 0x26, 0x85, 0x79, 0x8e, 0xc6, 0xc7,
+	0xa2, 0x7e, 0x82, 0x98, 0x68, 0x88, 0xeb, 0xbf, 0x55, 0xb9, 0x89, 0x21, 0x2f, 0x68, 0x17, 0x8a,
+	0x97, 0xcd, 0x60, 0xc3, 0x1e, 0x90, 0x96, 0x3b, 0x05, 0xa9, 0x29, 0xf5, 0xb5, 0x9b, 0xdf, 0xff,
+	0xac, 0x37, 0xd3, 0x34, 0xad, 0x62, 0x43, 0x9f, 0x5a, 0xf8, 0x96, 0xf8, 0x3d, 0x3b, 0x1e, 0x03,
+	0x4d, 0x6a, 0x7a, 0x41, 0x92, 0x4a, 0xc7, 0xb9, 0x08, 0x8d, 0x3d, 0xa0, 0x31, 0xa0, 0x28, 0x43,
+	0x13, 0x9d, 0x89, 0x20, 0x6c, 0x90, 0xcf, 0xec, 0x64, 0x6e, 0xf1, 0x7b, 0x37, 0xcb, 0x55, 0xf6,
+	0x0a, 0x9f, 0x25, 0x38, 0xe2, 0x91, 0x68, 0x76, 0x57, 0xd5, 0x5e, 0xc0, 0x39, 0x99, 0x40, 0xd4,
+	0x13, 0x7e, 0x48, 0xb1, 0x1f, 0x52, 0x3c, 0x55, 0x43, 0xf2, 0x09, 0x3b, 0x6d, 0x7b, 0x1c, 0xef,
+	0x77, 0x8b, 0x5c, 0xa7, 0xa9, 0x64, 0xbd, 0x31, 0xd0, 0x1b, 0xa8, 0x74, 0x6e, 0x71, 0x93, 0x69,
+	0x98, 0x1a, 0x47, 0xd2, 0x28, 0xe0, 0xd7, 0x2d, 0xdd, 0x01, 0x26, 0x3c, 0xbd, 0xef, 0xf6, 0xaa,
+	0x3b, 0xf1, 0x88, 0x5f, 0x46, 0xa3, 0x5c, 0x07, 0x74, 0xf4, 0xf3, 0x8f, 0x0d, 0xd0, 0x26, 0x02,
+	0x0b, 0x30, 0x0a, 0xed, 0x5a, 0xf8, 0x65, 0x88, 0xce, 0x53, 0x18, 0x5d, 0xbc, 0xd7, 0xc4, 0xe1,
+	0xad, 0x7c, 0x0c, 0x93, 0x8c, 0xd2, 0x72, 0x55, 0x2d, 0x22, 0xde, 0x3b, 0x63, 0xef, 0x1c, 0x84,
+	0x05, 0x6f, 0xef, 0xe2, 0x04, 0xbb, 0x8f, 0x71, 0x75, 0x54, 0x73, 0xb7, 0x7f, 0x01, 0x00, 0x00,
+	0xff, 0xff, 0xac, 0x65, 0xa9, 0x8b, 0xbe, 0x02, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -72,6 +73,7 @@
 	// to the gRPC server hosting the OltInterAdapterService service
 	GetHealthStatus(ctx context.Context, in *common.Connection, opts ...grpc.CallOption) (*health.HealthStatus, error)
 	ProxyOmciRequest(ctx context.Context, in *inter_adapter.OmciMessage, opts ...grpc.CallOption) (*empty.Empty, error)
+	ProxyOmciRequests(ctx context.Context, in *inter_adapter.OmciMessages, opts ...grpc.CallOption) (*empty.Empty, error)
 	GetTechProfileInstance(ctx context.Context, in *inter_adapter.TechProfileInstanceRequestMessage, opts ...grpc.CallOption) (*inter_adapter.TechProfileDownloadMessage, error)
 }
 
@@ -101,6 +103,15 @@
 	return out, nil
 }
 
+func (c *oltInterAdapterServiceClient) ProxyOmciRequests(ctx context.Context, in *inter_adapter.OmciMessages, opts ...grpc.CallOption) (*empty.Empty, error) {
+	out := new(empty.Empty)
+	err := c.cc.Invoke(ctx, "/olt_inter_adapter_service.OltInterAdapterService/ProxyOmciRequests", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *oltInterAdapterServiceClient) GetTechProfileInstance(ctx context.Context, in *inter_adapter.TechProfileInstanceRequestMessage, opts ...grpc.CallOption) (*inter_adapter.TechProfileDownloadMessage, error) {
 	out := new(inter_adapter.TechProfileDownloadMessage)
 	err := c.cc.Invoke(ctx, "/olt_inter_adapter_service.OltInterAdapterService/GetTechProfileInstance", in, out, opts...)
@@ -116,6 +127,7 @@
 	// to the gRPC server hosting the OltInterAdapterService service
 	GetHealthStatus(context.Context, *common.Connection) (*health.HealthStatus, error)
 	ProxyOmciRequest(context.Context, *inter_adapter.OmciMessage) (*empty.Empty, error)
+	ProxyOmciRequests(context.Context, *inter_adapter.OmciMessages) (*empty.Empty, error)
 	GetTechProfileInstance(context.Context, *inter_adapter.TechProfileInstanceRequestMessage) (*inter_adapter.TechProfileDownloadMessage, error)
 }
 
@@ -129,6 +141,9 @@
 func (*UnimplementedOltInterAdapterServiceServer) ProxyOmciRequest(ctx context.Context, req *inter_adapter.OmciMessage) (*empty.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ProxyOmciRequest not implemented")
 }
+func (*UnimplementedOltInterAdapterServiceServer) ProxyOmciRequests(ctx context.Context, req *inter_adapter.OmciMessages) (*empty.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ProxyOmciRequests not implemented")
+}
 func (*UnimplementedOltInterAdapterServiceServer) GetTechProfileInstance(ctx context.Context, req *inter_adapter.TechProfileInstanceRequestMessage) (*inter_adapter.TechProfileDownloadMessage, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetTechProfileInstance not implemented")
 }
@@ -173,6 +188,24 @@
 	return interceptor(ctx, in, info, handler)
 }
 
+func _OltInterAdapterService_ProxyOmciRequests_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(inter_adapter.OmciMessages)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(OltInterAdapterServiceServer).ProxyOmciRequests(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/olt_inter_adapter_service.OltInterAdapterService/ProxyOmciRequests",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(OltInterAdapterServiceServer).ProxyOmciRequests(ctx, req.(*inter_adapter.OmciMessages))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _OltInterAdapterService_GetTechProfileInstance_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(inter_adapter.TechProfileInstanceRequestMessage)
 	if err := dec(in); err != nil {
@@ -204,6 +237,10 @@
 			Handler:    _OltInterAdapterService_ProxyOmciRequest_Handler,
 		},
 		{
+			MethodName: "ProxyOmciRequests",
+			Handler:    _OltInterAdapterService_ProxyOmciRequests_Handler,
+		},
+		{
 			MethodName: "GetTechProfileInstance",
 			Handler:    _OltInterAdapterService_GetTechProfileInstance_Handler,
 		},
diff --git a/protos/voltha_protos/inter_adapter.proto b/protos/voltha_protos/inter_adapter.proto
index e622ce9..2051b39 100755
--- a/protos/voltha_protos/inter_adapter.proto
+++ b/protos/voltha_protos/inter_adapter.proto
@@ -22,6 +22,14 @@
     string child_device_id = 5;
 }
 
+message OmciMessages {
+    repeated bytes messages = 1;
+    common.ConnectStatus.Types connect_status = 2;
+    device.Device.ProxyAddress proxy_address = 3;
+    string parent_device_id = 4;
+    string child_device_id = 5;
+}
+
 message TechProfileDownloadMessage {
     string device_id = 1;
     uint32 uni_id = 2;
diff --git a/protos/voltha_protos/olt_inter_adapter_service.proto b/protos/voltha_protos/olt_inter_adapter_service.proto
index f33def4..68dbb6f 100755
--- a/protos/voltha_protos/olt_inter_adapter_service.proto
+++ b/protos/voltha_protos/olt_inter_adapter_service.proto
@@ -17,5 +17,6 @@
     rpc GetHealthStatus(common.Connection) returns (health.HealthStatus);
 
     rpc ProxyOmciRequest(inter_adapter.OmciMessage) returns (google.protobuf.Empty);
+    rpc ProxyOmciRequests(inter_adapter.OmciMessages) returns (google.protobuf.Empty);
     rpc GetTechProfileInstance(inter_adapter.TechProfileInstanceRequestMessage) returns (inter_adapter.TechProfileDownloadMessage);
-}
\ No newline at end of file
+}
diff --git a/voltha.pb b/voltha.pb
index 9c773ff..bbd8d4e 100644
--- a/voltha.pb
+++ b/voltha.pb
Binary files differ