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)
diff --git a/proto-docs/bootstrap.md b/proto-docs/bootstrap.md
index 737e085..80aa109 100644
--- a/proto-docs/bootstrap.md
+++ b/proto-docs/bootstrap.md
@@ -62,11 +62,25 @@ Process is method that allows to register node in the network and receive actual
 | ----- | ---- | ----- | ----------- |
 | type | [int32](#int32) |  | Type is NodeType, can be InnerRingNode (type=1) or StorageNode (type=2) |
 | info | [NodeInfo](#bootstrap.NodeInfo) |  | Info contains information about node |
+| state | [Request.State](#bootstrap.Request.State) |  | State contains node status |
 | Meta | [service.RequestMetaHeader](#service.RequestMetaHeader) |  | RequestMetaHeader contains information about request meta headers (should be embedded into message) |
 | Verify | [service.RequestVerificationHeader](#service.RequestVerificationHeader) |  | RequestVerificationHeader is a set of signatures of every NeoFS Node that processed request (should be embedded into message) |
 
  <!-- end messages -->
 
+
+<a name="bootstrap.Request.State"></a>
+
+### Request.State
+Node state
+
+| Name | Number | Description |
+| ---- | ------ | ----------- |
+| Unknown | 0 | used by default |
+| Online | 1 | used to inform that node online |
+| Offline | 2 | used to inform that node offline |
+
+
  <!-- end enums -->