diff --git a/VERSION b/VERSION
index fd2a018..b502146 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.1.0
+3.0.2
diff --git a/go/voltha/adapter.pb.go b/go/voltha/adapter.pb.go
index 93bf21b..1f24221 100644
--- a/go/voltha/adapter.pb.go
+++ b/go/voltha/adapter.pb.go
@@ -7,6 +7,7 @@
 	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
 	any "github.com/golang/protobuf/ptypes/any"
+	timestamp "github.com/golang/protobuf/ptypes/timestamp"
 	common "github.com/opencord/voltha-protos/v3/go/common"
 	math "math"
 )
@@ -83,9 +84,11 @@
 	// Custom descriptors and custom configuration
 	AdditionalDescription *any.Any `protobuf:"bytes,64,opt,name=additional_description,json=additionalDescription,proto3" json:"additional_description,omitempty"`
 	LogicalDeviceIds      []string `protobuf:"bytes,4,rep,name=logical_device_ids,json=logicalDeviceIds,proto3" json:"logical_device_ids,omitempty"`
-	XXX_NoUnkeyedLiteral  struct{} `json:"-"`
-	XXX_unrecognized      []byte   `json:"-"`
-	XXX_sizecache         int32    `json:"-"`
+	// timestamp when the adapter last sent a message to the core
+	LastCommunication    *timestamp.Timestamp `protobuf:"bytes,5,opt,name=last_communication,json=lastCommunication,proto3" json:"last_communication,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}             `json:"-"`
+	XXX_unrecognized     []byte               `json:"-"`
+	XXX_sizecache        int32                `json:"-"`
 }
 
 func (m *Adapter) Reset()         { *m = Adapter{} }
@@ -155,6 +158,13 @@
 	return nil
 }
 
+func (m *Adapter) GetLastCommunication() *timestamp.Timestamp {
+	if m != nil {
+		return m.LastCommunication
+	}
+	return nil
+}
+
 type Adapters struct {
 	Items                []*Adapter `protobuf:"bytes,1,rep,name=items,proto3" json:"items,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
@@ -203,30 +213,33 @@
 func init() { proto.RegisterFile("voltha_protos/adapter.proto", fileDescriptor_7e998ce153307274) }
 
 var fileDescriptor_7e998ce153307274 = []byte{
-	// 397 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x92, 0x41, 0x8e, 0xda, 0x30,
-	0x14, 0x86, 0x95, 0xd0, 0xc9, 0x0c, 0x1e, 0x4d, 0x4b, 0xdd, 0x82, 0x52, 0x2a, 0xd4, 0x08, 0xa9,
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-	0x17, 0x00, 0x00, 0xff, 0xff, 0x41, 0x59, 0x44, 0x43, 0xa5, 0x02, 0x00, 0x00,
+	// 439 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x52, 0xdd, 0x6a, 0xdb, 0x30,
+	0x14, 0xc6, 0xc9, 0x92, 0x36, 0x2a, 0xdd, 0x52, 0x6d, 0x29, 0x5e, 0x46, 0x69, 0x08, 0x0c, 0x72,
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+	0xc9, 0x7a, 0x57, 0x72, 0x93, 0x9e, 0xab, 0x50, 0xe3, 0x25, 0xba, 0xa2, 0x8c, 0x49, 0x2b, 0x41,
+	0x53, 0x95, 0xe5, 0x6e, 0x52, 0xfc, 0x6d, 0x12, 0xcd, 0x2e, 0xe6, 0x1f, 0x88, 0xcf, 0x40, 0xda,
+	0x0c, 0x64, 0xa9, 0x77, 0xe9, 0x70, 0x2f, 0xf7, 0xbe, 0xd3, 0xdf, 0x1d, 0x74, 0x16, 0x92, 0xe0,
+	0x11, 0xea, 0x48, 0xe6, 0xcc, 0x07, 0xab, 0xde, 0x9f, 0xbf, 0xbf, 0x6e, 0xa2, 0xb4, 0x23, 0x19,
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+	0xb0, 0x02, 0x21, 0x73, 0x37, 0xb0, 0x96, 0x39, 0xcf, 0x24, 0x33, 0xf1, 0x9b, 0x49, 0x77, 0x36,
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+	0x85, 0x89, 0xa3, 0x49, 0x77, 0x76, 0x31, 0x7f, 0x77, 0x72, 0x86, 0xd4, 0xb3, 0xab, 0x35, 0x7a,
+	0x0f, 0x95, 0x20, 0x50, 0x72, 0x9d, 0x43, 0xc5, 0x82, 0x6a, 0x75, 0xf9, 0xdd, 0x7d, 0x83, 0xf8,
+	0x07, 0x11, 0xd2, 0xbe, 0x6c, 0x37, 0xcd, 0x13, 0x49, 0x5a, 0x69, 0xe2, 0xa5, 0x77, 0xe1, 0x41,
+	0xd6, 0x8b, 0x44, 0x40, 0xc0, 0x36, 0x7d, 0x07, 0x2e, 0xfe, 0x05, 0x00, 0x00, 0xff, 0xff, 0x4d,
+	0xb1, 0x4a, 0xa8, 0x11, 0x03, 0x00, 0x00,
 }
diff --git a/protos/voltha_protos/adapter.proto b/protos/voltha_protos/adapter.proto
index f5b2aa6..6cb2346 100644
--- a/protos/voltha_protos/adapter.proto
+++ b/protos/voltha_protos/adapter.proto
@@ -9,6 +9,7 @@
 import "google/protobuf/any.proto";
 import "voltha_protos/common.proto";
 import "voltha_protos/meta.proto";
+import "google/protobuf/timestamp.proto";
 
 
 message AdapterConfig {
@@ -39,6 +40,8 @@
 
     repeated string logical_device_ids = 4;  // Logical devices "owned"
 
+    // timestamp when the adapter last sent a message to the core
+    google.protobuf.Timestamp last_communication = 5;
 }
 
 message Adapters {
diff --git a/voltha.pb b/voltha.pb
index f8c08bf..421aa63 100644
--- a/voltha.pb
+++ b/voltha.pb
Binary files differ