diff --git a/bootstrap/service.pb.go b/bootstrap/service.pb.go
index d1797cc..50e6c67 100644
--- a/bootstrap/service.pb.go
+++ b/bootstrap/service.pb.go
@@ -28,11 +28,45 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
+// Node state
+type Request_State int32
+
+const (
+	// used by default
+	Request_Unknown Request_State = 0
+	// used to inform that node online
+	Request_Online Request_State = 1
+	// used to inform that node offline
+	Request_Offline Request_State = 2
+)
+
+var Request_State_name = map[int32]string{
+	0: "Unknown",
+	1: "Online",
+	2: "Offline",
+}
+
+var Request_State_value = map[string]int32{
+	"Unknown": 0,
+	"Online":  1,
+	"Offline": 2,
+}
+
+func (x Request_State) String() string {
+	return proto.EnumName(Request_State_name, int32(x))
+}
+
+func (Request_State) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_21bce759c9d8eb63, []int{0, 0}
+}
+
 type Request struct {
 	// Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2)
 	Type NodeType `protobuf:"varint,1,opt,name=type,proto3,customtype=NodeType" json:"type"`
 	// Info contains information about node
 	Info NodeInfo `protobuf:"bytes,2,opt,name=info,proto3" json:"info"`
+	// State contains node status
+	State Request_State `protobuf:"varint,3,opt,name=state,proto3,enum=bootstrap.Request_State" json:"state,omitempty"`
 	// RequestMetaHeader contains information about request meta headers (should be embedded into message)
 	service.RequestMetaHeader `protobuf:"bytes,98,opt,name=Meta,proto3,embedded=Meta" json:"Meta"`
 	// RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)
@@ -78,37 +112,49 @@ func (m *Request) GetInfo() NodeInfo {
 	return NodeInfo{}
 }
 
+func (m *Request) GetState() Request_State {
+	if m != nil {
+		return m.State
+	}
+	return Request_Unknown
+}
+
 func init() {
+	proto.RegisterEnum("bootstrap.Request_State", Request_State_name, Request_State_value)
 	proto.RegisterType((*Request)(nil), "bootstrap.Request")
 }
 
 func init() { proto.RegisterFile("bootstrap/service.proto", fileDescriptor_21bce759c9d8eb63) }
 
 var fileDescriptor_21bce759c9d8eb63 = []byte{
-	// 364 bytes of a gzipped FileDescriptorProto
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-	0x64, 0x2f, 0x1d, 0x5b, 0x54, 0x55, 0xf5, 0x60, 0xcb, 0xc2, 0x55, 0x23, 0x65, 0x3b, 0xe0, 0x83,
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-	0x41, 0x9e, 0xc6, 0xfb, 0x1a, 0xfd, 0xf2, 0x96, 0x26, 0xf7, 0x1c, 0x44, 0x0d, 0xdb, 0x49, 0x2a,
-	0x6f, 0xb6, 0x81, 0x13, 0xb2, 0x8d, 0x9b, 0xb0, 0x84, 0xb9, 0x0a, 0x0e, 0xb6, 0xb1, 0x9a, 0xd4,
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-	0x2a, 0x49, 0x47, 0x23, 0x34, 0xf9, 0xe4, 0xe9, 0x87, 0xc2, 0x6a, 0x3d, 0x16, 0x56, 0x6f, 0xc9,
-	0x22, 0xf8, 0xb7, 0xe7, 0x50, 0x16, 0x96, 0x56, 0x7d, 0x7d, 0xa5, 0x22, 0x36, 0xd6, 0xd2, 0x2c,
-	0x66, 0x7a, 0x7b, 0x84, 0x26, 0x9f, 0xa7, 0x03, 0xa7, 0xa9, 0xe3, 0x54, 0x86, 0x79, 0x16, 0x33,
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-	0x1a, 0x52, 0x99, 0xb2, 0xec, 0x43, 0x46, 0xed, 0x9d, 0xfe, 0xc4, 0x7d, 0xef, 0xdc, 0x90, 0xcc,
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-	0xcf, 0x81, 0x46, 0x0b, 0xca, 0xbd, 0xab, 0x43, 0x69, 0xa2, 0x63, 0x69, 0xa2, 0x87, 0xd2, 0x44,
-	0x4f, 0xa5, 0x89, 0xee, 0x9e, 0xcd, 0xd6, 0xf5, 0xb7, 0x8b, 0x7d, 0x67, 0x82, 0x87, 0xa1, 0x1d,
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-	0x00, 0x00, 0xff, 0xff, 0xc7, 0x01, 0xac, 0x62, 0x20, 0x02, 0x00, 0x00,
+	// 420 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x64, 0x51, 0x4d, 0x8b, 0xd3, 0x40,
+	0x18, 0xee, 0xd4, 0xb4, 0xdd, 0x9d, 0x05, 0x59, 0x66, 0x57, 0x0c, 0x3d, 0xa4, 0xa5, 0xa7, 0x82,
+	0x66, 0x02, 0xdd, 0x8b, 0x47, 0x0d, 0x22, 0xee, 0x61, 0x3f, 0x48, 0xfd, 0x00, 0x6f, 0x93, 0xf4,
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+	0x2d, 0xa1, 0x92, 0xe5, 0xaa, 0x41, 0x1f, 0xfd, 0x4b, 0xb3, 0x2b, 0x0d, 0xa6, 0x81, 0xe3, 0xb9,
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+	0x48, 0x55, 0x62, 0xd8, 0x1e, 0x92, 0xf1, 0xd1, 0xe4, 0x84, 0xef, 0xda, 0xe1, 0xce, 0x70, 0xae,
+	0x4a, 0x4c, 0x03, 0x17, 0x91, 0x79, 0x19, 0xe3, 0xb4, 0x63, 0xac, 0xb0, 0x10, 0x3e, 0x18, 0x92,
+	0xf1, 0xc3, 0x49, 0xb8, 0xa7, 0x6f, 0xde, 0xe7, 0x53, 0xc7, 0x67, 0x1b, 0x19, 0x7b, 0x46, 0x83,
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+	0xaa, 0xf4, 0xc0, 0xbd, 0x72, 0xb7, 0x1e, 0x90, 0xcc, 0x3b, 0xd8, 0x4b, 0xda, 0x7d, 0xe7, 0x17,
+	0x15, 0x16, 0xde, 0x3b, 0xfa, 0xdf, 0xeb, 0x59, 0x59, 0x08, 0x2b, 0x51, 0xdd, 0xcb, 0x68, 0xbc,
+	0xa3, 0x98, 0x76, 0x7c, 0x3f, 0xec, 0x88, 0xf6, 0xde, 0xaa, 0x4f, 0x0a, 0xbf, 0xaa, 0xe3, 0x16,
+	0xa3, 0xb4, 0x7b, 0xa5, 0x3e, 0x4b, 0x05, 0xc7, 0xc4, 0x11, 0x57, 0x65, 0xe9, 0x8b, 0xf6, 0xe4,
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+	0x67, 0xff, 0x74, 0x0f, 0x9b, 0xea, 0x0a, 0xc4, 0xec, 0x42, 0xe8, 0xf4, 0xfd, 0x6d, 0x1d, 0x91,
+	0xbb, 0x3a, 0x22, 0x3f, 0xeb, 0x88, 0xfc, 0xae, 0x23, 0xf2, 0xed, 0x4f, 0xd4, 0xfa, 0xf0, 0x64,
+	0xef, 0x9c, 0xca, 0xe8, 0xa2, 0x88, 0x67, 0xb0, 0x4c, 0x14, 0x60, 0x69, 0x62, 0xa1, 0x65, 0x3c,
+	0xc7, 0x64, 0x17, 0xf6, 0xbd, 0x7d, 0x72, 0x09, 0xf8, 0x6a, 0xca, 0x5f, 0x5c, 0x9f, 0xf3, 0x5d,
+	0x37, 0x79, 0xd7, 0x5f, 0xfa, 0xec, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x74, 0xc6, 0xb6, 0xb6,
+	0x7f, 0x02, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -241,6 +287,11 @@ func (m *Request) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	dAtA[i] = 0x6
 	i--
 	dAtA[i] = 0x92
+	if m.State != 0 {
+		i = encodeVarintService(dAtA, i, uint64(m.State))
+		i--
+		dAtA[i] = 0x18
+	}
 	{
 		size, err := m.Info.MarshalToSizedBuffer(dAtA[:i])
 		if err != nil {
@@ -281,6 +332,9 @@ func (m *Request) Size() (n int) {
 	}
 	l = m.Info.Size()
 	n += 1 + l + sovService(uint64(l))
+	if m.State != 0 {
+		n += 1 + sovService(uint64(m.State))
+	}
 	l = m.RequestMetaHeader.Size()
 	n += 2 + l + sovService(uint64(l))
 	l = m.RequestVerificationHeader.Size()
@@ -378,6 +432,25 @@ func (m *Request) Unmarshal(dAtA []byte) error {
 				return err
 			}
 			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field State", wireType)
+			}
+			m.State = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowService
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.State |= Request_State(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		case 98:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field RequestMetaHeader", wireType)
diff --git a/bootstrap/service.proto b/bootstrap/service.proto
index e37c878..6918bef 100644
--- a/bootstrap/service.proto
+++ b/bootstrap/service.proto
@@ -19,10 +19,22 @@ service Bootstrap {
 }
 
 message Request {
+    // Node state
+    enum State {
+        // used by default
+        Unknown = 0;
+        // used to inform that node online
+        Online  = 1;
+        // used to inform that node offline
+        Offline = 2;
+    }
+
     // Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2)
     int32              type                  = 1 [(gogoproto.customname) = "Type" , (gogoproto.nullable) = false, (gogoproto.customtype) = "NodeType"];
     // Info contains information about node
     bootstrap.NodeInfo info                  = 2 [(gogoproto.nullable) = false];
+    // State contains node status
+    State state                              = 3;
     // RequestMetaHeader contains information about request meta headers (should be embedded into message)
     service.RequestMetaHeader Meta           = 98 [(gogoproto.embed) = true, (gogoproto.nullable) = false];
     // RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message)