diff --git a/adnl/adnl-address-list.cpp b/adnl/adnl-address-list.cpp
index 064d4e56..7bd36374 100644
--- a/adnl/adnl-address-list.cpp
+++ b/adnl/adnl-address-list.cpp
@@ -39,6 +39,9 @@ class AdnlNetworkConnectionUdp : public AdnlNetworkConnection {
   void start_up() override {
     callback_->on_change_state(true);
   }
+  void get_ip_str(td::Promise<td::string> promise) override {
+    promise.set_value(PSTRING() << addr_.get_ip_str().str() << ":" << addr_.get_port());
+  }
 
   AdnlNetworkConnectionUdp(td::actor::ActorId<AdnlNetworkManager> network_manager, td::uint32 ip, td::uint16 port,
                            std::unique_ptr<AdnlNetworkConnection::Callback> callback);
@@ -88,6 +91,9 @@ class AdnlNetworkConnectionTunnel : public AdnlNetworkConnection {
     pub_key_hash_ = pub_key_.compute_short_id();
     //ready_.store(true, std::memory_order_release);
   }
+  void get_ip_str(td::Promise<td::string> promise) override {
+    promise.set_value("tunnel");
+  }
 
   AdnlNetworkConnectionTunnel(td::actor::ActorId<AdnlNetworkManager> network_manager, td::actor::ActorId<Adnl> adnl,
                               adnl::AdnlNodeIdShort adnl_id, PublicKey pubkey,
diff --git a/adnl/adnl-network-manager.h b/adnl/adnl-network-manager.h
index 61c37d85..67cf602a 100644
--- a/adnl/adnl-network-manager.h
+++ b/adnl/adnl-network-manager.h
@@ -50,6 +50,8 @@ class AdnlNetworkConnection : public td::actor::Actor {
   virtual void send(AdnlNodeIdShort src, AdnlNodeIdShort dst, td::uint32 priority, td::BufferSlice message) = 0;
   virtual bool is_alive() const = 0;
   virtual bool is_active() const = 0;
+
+  virtual void get_ip_str(td::Promise<td::string> promise) = 0;
   virtual ~AdnlNetworkConnection() = default;
 };
 
diff --git a/adnl/adnl-peer-table.cpp b/adnl/adnl-peer-table.cpp
index a334ef26..54891515 100644
--- a/adnl/adnl-peer-table.cpp
+++ b/adnl/adnl-peer-table.cpp
@@ -376,6 +376,15 @@ void AdnlPeerTableImpl::create_tunnel(AdnlNodeIdShort dst, td::uint32 size,
                                       td::Promise<std::pair<td::actor::ActorOwn<AdnlTunnel>, AdnlAddress>> promise) {
 }
 
+void AdnlPeerTableImpl::get_conn_ip_str(AdnlNodeIdShort l_id, AdnlNodeIdShort p_id, td::Promise<td::string> promise) {
+  auto it = peers_.find(p_id);
+  if (it == peers_.end()) {
+    promise.set_value("undefined");
+    return;
+  }
+  td::actor::send_closure(it->second, &AdnlPeer::get_conn_ip_str, l_id, std::move(promise));
+}
+
 }  // namespace adnl
 
 }  // namespace ton
diff --git a/adnl/adnl-peer-table.h b/adnl/adnl-peer-table.h
index 59cced97..cb7da613 100644
--- a/adnl/adnl-peer-table.h
+++ b/adnl/adnl-peer-table.h
@@ -110,6 +110,7 @@ class AdnlPeerTable : public Adnl {
   virtual void deliver_query(AdnlNodeIdShort src, AdnlNodeIdShort dst, td::BufferSlice data,
                              td::Promise<td::BufferSlice> promise) = 0;
   virtual void decrypt_message(AdnlNodeIdShort dst, td::BufferSlice data, td::Promise<td::BufferSlice> promise) = 0;
+  virtual void get_conn_ip_str(AdnlNodeIdShort l_id, AdnlNodeIdShort p_id, td::Promise<td::string> promise) = 0;
 };
 
 }  // namespace adnl
diff --git a/adnl/adnl-peer-table.hpp b/adnl/adnl-peer-table.hpp
index 04f493bd..2a27a802 100644
--- a/adnl/adnl-peer-table.hpp
+++ b/adnl/adnl-peer-table.hpp
@@ -102,6 +102,7 @@ class AdnlPeerTableImpl : public AdnlPeerTable {
 
   void create_tunnel(AdnlNodeIdShort dst, td::uint32 size,
                      td::Promise<std::pair<td::actor::ActorOwn<AdnlTunnel>, AdnlAddress>> promise) override;
+  void get_conn_ip_str(AdnlNodeIdShort l_id, AdnlNodeIdShort p_id, td::Promise<td::string> promise) override;
 
   struct PrintId {};
   PrintId print_id() const {
diff --git a/adnl/adnl-peer.cpp b/adnl/adnl-peer.cpp
index 132f795a..35ba2a11 100644
--- a/adnl/adnl-peer.cpp
+++ b/adnl/adnl-peer.cpp
@@ -725,6 +725,28 @@ void AdnlPeerPairImpl::update_addr_list(AdnlAddressList addr_list) {
   (priority ? priority_addr_list_ : addr_list_) = addr_list;
 }
 
+void AdnlPeerPairImpl::get_conn_ip_str(td::Promise<td::string> promise) {
+  if (conns_.size() == 0 && priority_conns_.size() == 0) {
+    promise.set_value("undefined");
+    return;
+  }
+  
+  for (auto &conn : priority_conns_) {
+    if (conn.ready()) {
+      td::actor::send_closure(conn.conn, &AdnlNetworkConnection::get_ip_str, std::move(promise));
+      return;
+    }
+  }
+  for (auto &conn : conns_) {
+    if (conn.ready()) {
+      td::actor::send_closure(conn.conn, &AdnlNetworkConnection::get_ip_str, std::move(promise));
+      return;
+    }
+  }
+  
+  promise.set_value("undefined");
+}
+
 void AdnlPeerImpl::update_id(AdnlNodeIdFull id) {
   CHECK(id.compute_short_id() == peer_id_short_);
   if (!peer_id_.empty()) {
@@ -841,6 +863,16 @@ void AdnlPeerImpl::update_dht_node(td::actor::ActorId<dht::Dht> dht_node) {
   }
 }
 
+void AdnlPeerImpl::get_conn_ip_str(AdnlNodeIdShort l_id, td::Promise<td::string> promise) {
+  auto it = peer_pairs_.find(l_id);
+  if (it == peer_pairs_.end()) {
+    promise.set_value("undefined");
+    return;
+  } 
+
+  td::actor::send_closure(it->second, &AdnlPeerPair::get_conn_ip_str, std::move(promise));
+}
+
 void AdnlPeerImpl::update_addr_list(AdnlNodeIdShort local_id, td::uint32 local_mode,
                                     td::actor::ActorId<AdnlLocalId> local_actor, AdnlAddressList addr_list) {
   auto it = peer_pairs_.find(local_id);
diff --git a/adnl/adnl-peer.h b/adnl/adnl-peer.h
index 2f671f9e..8488e82e 100644
--- a/adnl/adnl-peer.h
+++ b/adnl/adnl-peer.h
@@ -58,6 +58,7 @@ class AdnlPeerPair : public td::actor::Actor {
   virtual void update_dht_node(td::actor::ActorId<dht::Dht> dht_node) = 0;
   virtual void update_peer_id(AdnlNodeIdFull id) = 0;
   virtual void update_addr_list(AdnlAddressList addr_list) = 0;
+  virtual void get_conn_ip_str(td::Promise<td::string> promise) = 0;
 
   static td::actor::ActorOwn<AdnlPeerPair> create(td::actor::ActorId<AdnlNetworkManager> network_manager,
                                                   td::actor::ActorId<AdnlPeerTable> peer_table, td::uint32 local_mode,
@@ -98,6 +99,7 @@ class AdnlPeer : public td::actor::Actor {
   virtual void update_addr_list(AdnlNodeIdShort local_id, td::uint32 local_mode,
                                 td::actor::ActorId<AdnlLocalId> local_actor, AdnlAddressList addr_list) = 0;
   virtual void update_dht_node(td::actor::ActorId<dht::Dht> dht_node) = 0;
+  virtual void get_conn_ip_str(AdnlNodeIdShort l_id, td::Promise<td::string> promise) = 0;
 };
 
 }  // namespace adnl
diff --git a/adnl/adnl-peer.hpp b/adnl/adnl-peer.hpp
index 66b6b60c..410c0f75 100644
--- a/adnl/adnl-peer.hpp
+++ b/adnl/adnl-peer.hpp
@@ -88,6 +88,8 @@ class AdnlPeerPairImpl : public AdnlPeerPair {
   void update_addr_list(AdnlAddressList addr_list) override;
   void update_peer_id(AdnlNodeIdFull id) override;
 
+  void get_conn_ip_str(td::Promise<td::string> promise) override;
+
   void got_data_from_db(td::Result<AdnlDbItem> R);
   void got_data_from_static_nodes(td::Result<AdnlNode> R);
   void got_data_from_dht(td::Result<AdnlNode> R);
@@ -265,6 +267,7 @@ class AdnlPeerImpl : public AdnlPeer {
   void update_addr_list(AdnlNodeIdShort local_id, td::uint32 local_mode, td::actor::ActorId<AdnlLocalId> local_actor,
                         AdnlAddressList addr_list) override;
   void update_dht_node(td::actor::ActorId<dht::Dht> dht_node) override;
+  void get_conn_ip_str(AdnlNodeIdShort l_id, td::Promise<td::string> promise) override;
   //void check_signature(td::BufferSlice data, td::BufferSlice signature, td::Promise<td::Unit> promise) override;
 
   AdnlPeerImpl(td::actor::ActorId<AdnlNetworkManager> network_manager, td::actor::ActorId<AdnlPeerTable> peer_table,
diff --git a/adnl/adnl.h b/adnl/adnl.h
index 917f5afb..b7dad216 100644
--- a/adnl/adnl.h
+++ b/adnl/adnl.h
@@ -56,6 +56,7 @@ class AdnlSenderInterface : public td::actor::Actor {
   virtual void send_query_ex(AdnlNodeIdShort src, AdnlNodeIdShort dst, std::string name,
                              td::Promise<td::BufferSlice> promise, td::Timestamp timeout, td::BufferSlice data,
                              td::uint64 max_answer_size) = 0;
+  virtual void get_conn_ip_str(AdnlNodeIdShort l_id, AdnlNodeIdShort p_id, td::Promise<td::string> promise) = 0;
 };
 
 class AdnlTunnel : public td::actor::Actor {};
diff --git a/overlay/overlay-broadcast.cpp b/overlay/overlay-broadcast.cpp
index 1c05f705..03991b76 100644
--- a/overlay/overlay-broadcast.cpp
+++ b/overlay/overlay-broadcast.cpp
@@ -80,6 +80,7 @@ td::Status BroadcastSimple::distribute() {
 
 void BroadcastSimple::broadcast_checked(td::Result<td::Unit> R) {
   if (R.is_error()) {
+    td::actor::send_closure(actor_id(overlay_), &OverlayImpl::update_peer_err_ctr, src_peer_id_, false);
     return;
   }
   is_valid_ = true;
@@ -114,7 +115,7 @@ td::Status BroadcastSimple::run() {
   return run_continue();
 }
 
-td::Status BroadcastSimple::create(OverlayImpl *overlay, tl_object_ptr<ton_api::overlay_broadcast> broadcast) {
+td::Status BroadcastSimple::create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id, tl_object_ptr<ton_api::overlay_broadcast> broadcast) {
   auto src = PublicKey{broadcast->src_};
   auto data_hash = sha256_bits256(broadcast->data_.as_slice());
   auto broadcast_hash = compute_broadcast_id(src, data_hash, broadcast->flags_);
@@ -125,7 +126,7 @@ td::Status BroadcastSimple::create(OverlayImpl *overlay, tl_object_ptr<ton_api::
 
   auto B = std::make_unique<BroadcastSimple>(broadcast_hash, src, std::move(cert), broadcast->flags_,
                                              std::move(broadcast->data_), broadcast->date_,
-                                             std::move(broadcast->signature_), false, overlay);
+                                             std::move(broadcast->signature_), false, overlay, src_peer_id);
   TRY_STATUS(B->run());
   overlay->register_simple_broadcast(std::move(B));
   return td::Status::OK();
@@ -139,7 +140,7 @@ td::Status BroadcastSimple::create_new(td::actor::ActorId<OverlayImpl> overlay,
   auto date = static_cast<td::uint32>(td::Clocks::system());
 
   auto B = std::make_unique<BroadcastSimple>(broadcast_hash, PublicKey{}, nullptr, flags, std::move(data), date,
-                                             td::BufferSlice{}, false, nullptr);
+                                             td::BufferSlice{}, false, nullptr, adnl::AdnlNodeIdShort::zero());
 
   auto to_sign = B->to_sign();
   auto P = td::PromiseCreator::lambda(
diff --git a/overlay/overlay-broadcast.hpp b/overlay/overlay-broadcast.hpp
index da29695a..e7b39eec 100644
--- a/overlay/overlay-broadcast.hpp
+++ b/overlay/overlay-broadcast.hpp
@@ -49,6 +49,8 @@ class BroadcastSimple : public td::ListNode {
 
   OverlayImpl *overlay_;
 
+  adnl::AdnlNodeIdShort src_peer_id_ = adnl::AdnlNodeIdShort::zero();
+
   td::Status check_time();
   td::Status check_duplicate();
   td::Status check_source();
@@ -61,7 +63,7 @@ class BroadcastSimple : public td::ListNode {
  public:
   BroadcastSimple(Overlay::BroadcastHash broadcast_hash, PublicKey source, std::shared_ptr<Certificate> cert,
                   td::uint32 flags, td::BufferSlice data, td::uint32 date, td::BufferSlice signature, bool is_valid,
-                  OverlayImpl *overlay)
+                  OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id)
       : broadcast_hash_(broadcast_hash)
       , source_(std::move(source))
       , cert_(std::move(cert))
@@ -70,7 +72,8 @@ class BroadcastSimple : public td::ListNode {
       , date_(date)
       , signature_(std::move(signature))
       , is_valid_(is_valid)
-      , overlay_(overlay) {
+      , overlay_(overlay)
+      , src_peer_id_(src_peer_id) {
   }
 
   Overlay::BroadcastHash get_hash() const {
@@ -98,7 +101,7 @@ class BroadcastSimple : public td::ListNode {
   void update_overlay(OverlayImpl *overlay);
   void broadcast_checked(td::Result<td::Unit> R);
 
-  static td::Status create(OverlayImpl *overlay, tl_object_ptr<ton_api::overlay_broadcast> broadcast);
+  static td::Status create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id, tl_object_ptr<ton_api::overlay_broadcast> broadcast);
   static td::Status create_new(td::actor::ActorId<OverlayImpl> overlay, td::actor::ActorId<keyring::Keyring> keyring,
                                PublicKeyHash local_id, td::BufferSlice data, td::uint32 flags);
 
diff --git a/overlay/overlay-fec-broadcast.cpp b/overlay/overlay-fec-broadcast.cpp
index 0ff53346..7ff08309 100644
--- a/overlay/overlay-fec-broadcast.cpp
+++ b/overlay/overlay-fec-broadcast.cpp
@@ -88,6 +88,7 @@ td::Status OverlayFecBroadcastPart::run_checks() {
 
 void BroadcastFec::broadcast_checked(td::Result<td::Unit> R) {
   if (R.is_error()) {
+    td::actor::send_closure(actor_id(overlay_), &OverlayImpl::update_peer_err_ctr, src_peer_id_, true);
     return;
   }
   overlay_->deliver_broadcast(get_source().compute_short_id(), data_.clone());
@@ -155,6 +156,7 @@ td::Status OverlayFecBroadcastPart::apply() {
 
   if (!bcast_->finalized()) {
     bcast_->set_overlay(overlay_);
+    bcast_->set_src_peer_id(src_peer_id_);
     TRY_STATUS(bcast_->add_part(seqno_, data_.clone(), export_serialized_short(), export_serialized()));
     auto R = bcast_->finish();
     if (R.is_error()) {
@@ -211,7 +213,7 @@ td::BufferSlice OverlayFecBroadcastPart::to_sign() {
   return serialize_tl_object(obj, true);
 }
 
-td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay,
+td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id,
                                            tl_object_ptr<ton_api::overlay_broadcastFec> broadcast) {
   TRY_STATUS(overlay->check_date(broadcast->date_));
   auto source = PublicKey{broadcast->src_};
@@ -244,12 +246,13 @@ td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay,
                             std::move(broadcast->signature_),
                             false,
                             overlay->get_fec_broadcast(broadcast_hash),
-                            overlay};
+                            overlay,
+                            src_peer_id};
   TRY_STATUS(B.run());
   return td::Status::OK();
 }
 
-td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay,
+td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id,
                                            tl_object_ptr<ton_api::overlay_broadcastFecShort> broadcast) {
   auto bcast = overlay->get_fec_broadcast(broadcast->broadcast_hash_);
   if (!bcast) {
@@ -285,7 +288,8 @@ td::Status OverlayFecBroadcastPart::create(OverlayImpl *overlay,
                             std::move(broadcast->signature_),
                             true,
                             bcast,
-                            overlay};
+                            overlay,
+                            src_peer_id};
   TRY_STATUS(B.run());
   return td::Status::OK();
 }
@@ -300,7 +304,7 @@ td::Status OverlayFecBroadcastPart::create_new(OverlayImpl *overlay, td::actor::
 
   auto B = std::make_unique<OverlayFecBroadcastPart>(
       broadcast_hash, part_hash, PublicKey{}, overlay->get_certificate(local_id), data_hash, size, flags,
-      part_data_hash, std::move(part), seqno, std::move(fec_type), date, td::BufferSlice{}, false, nullptr, overlay);
+      part_data_hash, std::move(part), seqno, std::move(fec_type), date, td::BufferSlice{}, false, nullptr, overlay, adnl::AdnlNodeIdShort::zero());
   auto to_sign = B->to_sign();
 
   auto P = td::PromiseCreator::lambda(
diff --git a/overlay/overlay-fec-broadcast.hpp b/overlay/overlay-fec-broadcast.hpp
index f27e69fb..612af22f 100644
--- a/overlay/overlay-fec-broadcast.hpp
+++ b/overlay/overlay-fec-broadcast.hpp
@@ -194,6 +194,9 @@ class BroadcastFec : public td::ListNode {
   void set_overlay(OverlayImpl *overlay) {
     overlay_ = overlay;
   }
+  void set_src_peer_id(adnl::AdnlNodeIdShort src_peer_id) {
+    src_peer_id_ = src_peer_id;
+  }
 
   td::Status distribute_part(td::uint32 seqno);
 
@@ -220,6 +223,7 @@ class BroadcastFec : public td::ListNode {
 
   std::map<td::uint32, std::pair<td::BufferSlice, td::BufferSlice>> parts_;
   OverlayImpl *overlay_;
+  adnl::AdnlNodeIdShort src_peer_id_ = adnl::AdnlNodeIdShort::zero();
   td::BufferSlice data_;
 };
 
@@ -245,6 +249,7 @@ class OverlayFecBroadcastPart : public td::ListNode {
 
   BroadcastFec *bcast_;
   OverlayImpl *overlay_;
+  adnl::AdnlNodeIdShort src_peer_id_ = adnl::AdnlNodeIdShort::zero();
 
   td::Status check_time();
   td::Status check_duplicate();
@@ -260,7 +265,7 @@ class OverlayFecBroadcastPart : public td::ListNode {
                           std::shared_ptr<Certificate> cert, Overlay::BroadcastDataHash data_hash, td::uint32 data_size,
                           td::uint32 flags, Overlay::BroadcastDataHash part_data_hash, td::BufferSlice data,
                           td::uint32 seqno, fec::FecType fec_type, td::uint32 date, td::BufferSlice signature,
-                          bool is_short, BroadcastFec *bcast, OverlayImpl *overlay)
+                          bool is_short, BroadcastFec *bcast, OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id)
       : broadcast_hash_(broadcast_hash)
       , part_hash_(part_hash)
       , source_(std::move(source))
@@ -276,7 +281,8 @@ class OverlayFecBroadcastPart : public td::ListNode {
       , signature_(std::move(signature))
       , is_short_(is_short)
       , bcast_(bcast)
-      , overlay_(overlay) {
+      , overlay_(overlay) 
+      , src_peer_id_(src_peer_id) {
   }
 
   td::uint32 data_size() const {
@@ -310,8 +316,8 @@ class OverlayFecBroadcastPart : public td::ListNode {
     return td::Status::OK();
   }
 
-  static td::Status create(OverlayImpl *overlay, tl_object_ptr<ton_api::overlay_broadcastFec> broadcast);
-  static td::Status create(OverlayImpl *overlay, tl_object_ptr<ton_api::overlay_broadcastFecShort> broadcast);
+  static td::Status create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id, tl_object_ptr<ton_api::overlay_broadcastFec> broadcast);
+  static td::Status create(OverlayImpl *overlay, adnl::AdnlNodeIdShort src_peer_id, tl_object_ptr<ton_api::overlay_broadcastFecShort> broadcast);
   static td::Status create_new(OverlayImpl *overlay, td::actor::ActorId<OverlayImpl> overlay_actor_id,
                                PublicKeyHash local_id, Overlay::BroadcastDataHash data_hash, td::uint32 size,
                                td::uint32 flags, td::BufferSlice part, td::uint32 seqno, fec::FecType fec_type,
diff --git a/overlay/overlay-manager.cpp b/overlay/overlay-manager.cpp
index 1d133673..41750b4f 100644
--- a/overlay/overlay-manager.cpp
+++ b/overlay/overlay-manager.cpp
@@ -90,12 +90,12 @@ void OverlayManager::delete_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdSho
 }
 
 void OverlayManager::create_public_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
-                                           std::unique_ptr<Callback> callback, OverlayPrivacyRules rules) {
+                                           std::unique_ptr<Callback> callback, OverlayPrivacyRules rules, td::string scope) {
   CHECK(!dht_node_.empty());
   auto id = overlay_id.compute_short_id();
   register_overlay(local_id, id,
                    Overlay::create(keyring_, adnl_, actor_id(this), dht_node_, local_id, std::move(overlay_id),
-                                   std::move(callback), std::move(rules)));
+                                   std::move(callback), std::move(rules), scope));
 }
 
 void OverlayManager::create_private_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
@@ -128,6 +128,7 @@ void OverlayManager::receive_message(adnl::AdnlNodeIdShort src, adnl::AdnlNodeId
     return;
   }
 
+  td::actor::send_closure(it2->second, &Overlay::update_throughput_in_ctr, src, (td::uint32)data.size(), false);
   td::actor::send_closure(it2->second, &Overlay::receive_message, src, std::move(data));
 }
 
@@ -152,12 +153,12 @@ void OverlayManager::receive_query(adnl::AdnlNodeIdShort src, adnl::AdnlNodeIdSh
   }
   auto it2 = it->second.find(OverlayIdShort{M->overlay_});
   if (it2 == it->second.end()) {
-    VLOG(OVERLAY_NOTICE) << this << ": query to localid not in overlay " << M->overlay_ << "@" << dst << " from "
-                         << src;
+    VLOG(OVERLAY_NOTICE) << this << ": query to localid not in overlay " << M->overlay_ << "@" << dst << " from " << src;
     promise.set_error(td::Status::Error(ErrorCode::protoviolation, PSTRING() << "bad overlay_id " << M->overlay_));
     return;
   }
 
+  td::actor::send_closure(it2->second, &Overlay::update_throughput_in_ctr, src, (td::uint32)data.size(), true);
   td::actor::send_closure(it2->second, &Overlay::receive_query, src, std::move(data), std::move(promise));
 }
 
@@ -166,6 +167,15 @@ void OverlayManager::send_query_via(adnl::AdnlNodeIdShort dst, adnl::AdnlNodeIdS
                                     td::BufferSlice query, td::uint64 max_answer_size,
                                     td::actor::ActorId<adnl::AdnlSenderInterface> via) {
   CHECK(query.size() <= adnl::Adnl::huge_packet_max_size());
+  
+  auto it = overlays_.find(src);
+  if (it != overlays_.end()) {
+    auto it2 = it->second.find(overlay_id);
+    if (it2 != it->second.end()) {
+      td::actor::send_closure(it2->second, &Overlay::update_throughput_out_ctr, dst, (td::uint32)query.size(), true);
+    }
+  }
+  
   td::actor::send_closure(
       via, &adnl::AdnlSenderInterface::send_query_ex, src, dst, std::move(name), std::move(promise), timeout,
       create_serialize_tl_object_suffix<ton_api::overlay_query>(query.as_slice(), overlay_id.tl()), max_answer_size);
@@ -174,6 +184,15 @@ void OverlayManager::send_query_via(adnl::AdnlNodeIdShort dst, adnl::AdnlNodeIdS
 void OverlayManager::send_message_via(adnl::AdnlNodeIdShort dst, adnl::AdnlNodeIdShort src, OverlayIdShort overlay_id,
                                       td::BufferSlice object, td::actor::ActorId<adnl::AdnlSenderInterface> via) {
   CHECK(object.size() <= adnl::Adnl::huge_packet_max_size());
+  
+  auto it = overlays_.find(src);
+  if (it != overlays_.end()) {
+    auto it2 = it->second.find(overlay_id);
+    if (it2 != it->second.end()) {
+      td::actor::send_closure(it2->second, &Overlay::update_throughput_out_ctr, dst, (td::uint32)object.size(), false);
+    }
+  }
+  
   td::actor::send_closure(
       via, &adnl::AdnlSenderInterface::send_message, src, dst,
       create_serialize_tl_object_suffix<ton_api::overlay_message>(object.as_slice(), overlay_id.tl()));
diff --git a/overlay/overlay-manager.h b/overlay/overlay-manager.h
index c6afefaf..d9739bf3 100644
--- a/overlay/overlay-manager.h
+++ b/overlay/overlay-manager.h
@@ -51,7 +51,7 @@ class OverlayManager : public Overlays {
   void update_dht_node(td::actor::ActorId<dht::Dht> dht) override;
 
   void create_public_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
-                             std::unique_ptr<Callback> callback, OverlayPrivacyRules rules) override;
+                             std::unique_ptr<Callback> callback, OverlayPrivacyRules rules, td::string scope) override;
   void create_private_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
                               std::vector<adnl::AdnlNodeIdShort> nodes, std::unique_ptr<Callback> callback,
                               OverlayPrivacyRules rules) override;
diff --git a/overlay/overlay.cpp b/overlay/overlay.cpp
index ec13fcd3..2574932b 100644
--- a/overlay/overlay.cpp
+++ b/overlay/overlay.cpp
@@ -37,10 +37,10 @@ td::actor::ActorOwn<Overlay> Overlay::create(td::actor::ActorId<keyring::Keyring
                                              td::actor::ActorId<OverlayManager> manager,
                                              td::actor::ActorId<dht::Dht> dht_node, adnl::AdnlNodeIdShort local_id,
                                              OverlayIdFull overlay_id, std::unique_ptr<Overlays::Callback> callback,
-                                             OverlayPrivacyRules rules) {
+                                             OverlayPrivacyRules rules, td::string scope) {
   auto R = td::actor::create_actor<OverlayImpl>("overlay", keyring, adnl, manager, dht_node, local_id,
                                                 std::move(overlay_id), true, std::vector<adnl::AdnlNodeIdShort>(),
-                                                std::move(callback), std::move(rules));
+                                                std::move(callback), std::move(rules), scope);
   return td::actor::ActorOwn<Overlay>(std::move(R));
 }
 
@@ -60,7 +60,7 @@ OverlayImpl::OverlayImpl(td::actor::ActorId<keyring::Keyring> keyring, td::actor
                          td::actor::ActorId<OverlayManager> manager, td::actor::ActorId<dht::Dht> dht_node,
                          adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id, bool pub,
                          std::vector<adnl::AdnlNodeIdShort> nodes, std::unique_ptr<Overlays::Callback> callback,
-                         OverlayPrivacyRules rules)
+                         OverlayPrivacyRules rules, td::string scope)
     : keyring_(keyring)
     , adnl_(adnl)
     , manager_(manager)
@@ -69,7 +69,8 @@ OverlayImpl::OverlayImpl(td::actor::ActorId<keyring::Keyring> keyring, td::actor
     , id_full_(std::move(overlay_id))
     , callback_(std::move(callback))
     , public_(pub)
-    , rules_(std::move(rules)) {
+    , rules_(std::move(rules))
+    , scope_(scope) {
   overlay_id_ = id_full_.compute_short_id();
 
   VLOG(OVERLAY_INFO) << this << ": creating " << (public_ ? "public" : "private");
@@ -161,17 +162,17 @@ void OverlayImpl::receive_query(adnl::AdnlNodeIdShort src, td::BufferSlice data,
 
 td::Status OverlayImpl::process_broadcast(adnl::AdnlNodeIdShort message_from,
                                           tl_object_ptr<ton_api::overlay_broadcast> bcast) {
-  return BroadcastSimple::create(this, std::move(bcast));
+  return BroadcastSimple::create(this, message_from, std::move(bcast));
 }
 
 td::Status OverlayImpl::process_broadcast(adnl::AdnlNodeIdShort message_from,
                                           tl_object_ptr<ton_api::overlay_broadcastFec> b) {
-  return OverlayFecBroadcastPart::create(this, std::move(b));
+  return OverlayFecBroadcastPart::create(this, message_from, std::move(b));
 }
 
 td::Status OverlayImpl::process_broadcast(adnl::AdnlNodeIdShort message_from,
                                           tl_object_ptr<ton_api::overlay_broadcastFecShort> b) {
-  return OverlayFecBroadcastPart::create(this, std::move(b));
+  return OverlayFecBroadcastPart::create(this, message_from, std::move(b));
 }
 
 td::Status OverlayImpl::process_broadcast(adnl::AdnlNodeIdShort message_from,
@@ -236,6 +237,35 @@ void OverlayImpl::receive_message(adnl::AdnlNodeIdShort src, td::BufferSlice dat
 
 void OverlayImpl::alarm() {
   bcast_gc();
+  
+  if(update_throughput_at_.is_in_past()) {
+    double t_elapsed = td::Time::now() - last_throughput_update_.at();
+    
+    peers_.iterate([&](const adnl::AdnlNodeIdShort &key, OverlayPeer &peer) {
+      peer.throughput_out_bytes = static_cast<td::uint32>(peer.throughput_out_bytes_ctr / t_elapsed);
+      peer.throughput_in_bytes = static_cast<td::uint32>(peer.throughput_in_bytes_ctr / t_elapsed);
+      
+      peer.throughput_out_packets = static_cast<td::uint32>(peer.throughput_out_packets_ctr / t_elapsed);
+      peer.throughput_in_packets = static_cast<td::uint32>(peer.throughput_in_packets_ctr / t_elapsed);
+      
+      peer.throughput_out_bytes_ctr = 0;
+      peer.throughput_in_bytes_ctr = 0;
+      
+      peer.throughput_out_packets_ctr = 0;
+      peer.throughput_in_packets_ctr = 0;
+      
+      auto P = td::PromiseCreator::lambda([SelfId = actor_id(this), peer_id = key](td::Result<td::string> result) {
+        result.ensure();
+        td::actor::send_closure(SelfId, &Overlay::update_peer_ip_str, peer_id, result.move_as_ok());
+      });
+      
+      td::actor::send_closure(adnl_, &adnl::AdnlSenderInterface::get_conn_ip_str, local_id_, key, std::move(P));
+    });
+    
+    update_throughput_at_ = td::Timestamp::in(50.0);
+    last_throughput_update_ = td::Timestamp::now();
+  }
+  
   if (public_) {
     if (peers_.size() > 0) {
       auto P = get_random_peer();
@@ -541,6 +571,17 @@ void OverlayImpl::check_broadcast(PublicKeyHash src, td::BufferSlice data, td::P
   callback_->check_broadcast(src, overlay_id_, std::move(data), std::move(promise));
 }
 
+void OverlayImpl::update_peer_err_ctr(adnl::AdnlNodeIdShort peer_id, bool is_fec) {
+  auto src_peer = peers_.get(peer_id);
+  if(src_peer) {
+    if(is_fec) {
+      src_peer->fec_broadcast_errors++;
+    } else {
+      src_peer->broadcast_errors++;
+    }
+  }
+}
+
 void OverlayImpl::broadcast_checked(Overlay::BroadcastHash hash, td::Result<td::Unit> R) {
   {
     auto it = broadcasts_.find(hash);
@@ -561,7 +602,26 @@ void OverlayImpl::get_stats(td::Promise<tl_object_ptr<ton_api::engine_validator_
   res->adnl_id_ = local_id_.bits256_value();
   res->overlay_id_ = overlay_id_.bits256_value();
   res->overlay_id_full_ = id_full_.pubkey().tl();
-  peers_.iterate([&](const adnl::AdnlNodeIdShort &key, const OverlayPeer &peer) { res->nodes_.push_back(key.tl()); });
+  res->scope_ = scope_;
+  peers_.iterate([&](const adnl::AdnlNodeIdShort &key, const OverlayPeer &peer) {
+    auto node_obj = create_tl_object<ton_api::engine_validator_overlayStatsNode>();
+    node_obj->adnl_id_ = key.bits256_value();
+    node_obj->t_out_bytes_ = peer.throughput_out_bytes;
+    node_obj->t_in_bytes_ = peer.throughput_in_bytes;
+    
+    node_obj->t_out_pckts_ = peer.throughput_out_packets;
+    node_obj->t_in_pckts_ = peer.throughput_in_packets;
+   
+    node_obj->ip_addr_ = peer.ip_addr_str;
+    
+    node_obj->last_in_query_ = static_cast<td::uint32>(peer.last_in_query_at.at_unix());
+    node_obj->last_out_query_ = static_cast<td::uint32>(peer.last_out_query_at.at_unix());
+    
+    node_obj->bdcst_errors_ = peer.broadcast_errors;
+    node_obj->fec_bdcst_errors_ = peer.fec_broadcast_errors;
+ 
+    res->nodes_.push_back(std::move(node_obj));
+  });
 
   res->stats_.push_back(
       create_tl_object<ton_api::engine_validator_oneStat>("neighbours_cnt", PSTRING() << neighbours_.size()));
diff --git a/overlay/overlay.h b/overlay/overlay.h
index cce24ed8..51eab1b4 100644
--- a/overlay/overlay.h
+++ b/overlay/overlay.h
@@ -42,7 +42,7 @@ class Overlay : public td::actor::Actor {
                                              td::actor::ActorId<OverlayManager> manager,
                                              td::actor::ActorId<dht::Dht> dht_node, adnl::AdnlNodeIdShort local_id,
                                              OverlayIdFull overlay_id, std::unique_ptr<Overlays::Callback> callback,
-                                             OverlayPrivacyRules rules);
+                                             OverlayPrivacyRules rules, td::string scope);
   static td::actor::ActorOwn<Overlay> create(td::actor::ActorId<keyring::Keyring> keyring,
                                              td::actor::ActorId<adnl::Adnl> adnl,
                                              td::actor::ActorId<OverlayManager> manager,
@@ -64,6 +64,9 @@ class Overlay : public td::actor::Actor {
   virtual void set_privacy_rules(OverlayPrivacyRules rules) = 0;
   virtual void receive_nodes_from_db(tl_object_ptr<ton_api::overlay_nodes> nodes) = 0;
   virtual void get_stats(td::Promise<tl_object_ptr<ton_api::engine_validator_overlayStats>> promise) = 0;
+  virtual void update_throughput_out_ctr(adnl::AdnlNodeIdShort peer_id, td::uint32 msg_size, bool is_query) = 0;
+  virtual void update_throughput_in_ctr(adnl::AdnlNodeIdShort peer_id, td::uint32 msg_size, bool is_query) = 0;
+  virtual void update_peer_ip_str(adnl::AdnlNodeIdShort peer_id, td::string ip_str) = 0;
   //virtual void receive_broadcast(td::BufferSlice data) = 0;
   //virtual void subscribe(std::unique_ptr<Overlays::Callback> callback) = 0;
 };
diff --git a/overlay/overlay.hpp b/overlay/overlay.hpp
index 76d17aab..1d5f9861 100644
--- a/overlay/overlay.hpp
+++ b/overlay/overlay.hpp
@@ -79,6 +79,26 @@ class OverlayPeer {
   td::int32 get_version() const {
     return node_.version();
   }
+  
+  td::uint32 throughput_out_bytes = 0;
+  td::uint32 throughput_in_bytes = 0;
+  
+  td::uint32 throughput_out_packets = 0;
+  td::uint32 throughput_in_packets = 0;
+  
+  td::uint32 throughput_out_bytes_ctr = 0;
+  td::uint32 throughput_in_bytes_ctr = 0;
+  
+  td::uint32 throughput_out_packets_ctr = 0;
+  td::uint32 throughput_in_packets_ctr = 0;
+  
+  td::uint32 broadcast_errors = 0;
+  td::uint32 fec_broadcast_errors = 0;
+ 
+  td::Timestamp last_in_query_at = td::Timestamp::now();
+  td::Timestamp last_out_query_at = td::Timestamp::now();
+  
+  td::string ip_addr_str = "undefined";
 
  private:
   OverlayNode node_;
@@ -93,7 +113,7 @@ class OverlayImpl : public Overlay {
               td::actor::ActorId<OverlayManager> manager, td::actor::ActorId<dht::Dht> dht_node,
               adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id, bool pub,
               std::vector<adnl::AdnlNodeIdShort> nodes, std::unique_ptr<Overlays::Callback> callback,
-              OverlayPrivacyRules rules);
+              OverlayPrivacyRules rules, td::string scope = "{ \"type\": \"undefined\" }");
   void update_dht_node(td::actor::ActorId<dht::Dht> dht) override {
     dht_node_ = dht;
   }
@@ -109,6 +129,9 @@ class OverlayImpl : public Overlay {
 
   void alarm() override;
   void start_up() override {
+    update_throughput_at_ = td::Timestamp::in(50.0);
+    last_throughput_update_ = td::Timestamp::now();
+    
     if (public_) {
       update_db_at_ = td::Timestamp::in(60.0);
     }
@@ -150,6 +173,8 @@ class OverlayImpl : public Overlay {
   void broadcast_checked(Overlay::BroadcastHash hash, td::Result<td::Unit> R);
   void check_broadcast(PublicKeyHash src, td::BufferSlice data, td::Promise<td::Unit> promise);
 
+  void update_peer_err_ctr(adnl::AdnlNodeIdShort peer_id, bool is_fec);
+
   BroadcastFec *get_fec_broadcast(BroadcastHash hash);
   void register_fec_broadcast(std::unique_ptr<BroadcastFec> bcast);
   void register_simple_broadcast(std::unique_ptr<BroadcastSimple> bcast);
@@ -191,6 +216,39 @@ class OverlayImpl : public Overlay {
   td::Result<Encryptor *> get_encryptor(PublicKey source);
 
   void get_stats(td::Promise<tl_object_ptr<ton_api::engine_validator_overlayStats>> promise) override;
+  
+  void update_throughput_out_ctr(adnl::AdnlNodeIdShort peer_id, td::uint32 msg_size, bool is_query) override {
+    auto out_peer = peers_.get(peer_id);
+    if(out_peer) {
+      out_peer->throughput_out_bytes_ctr += msg_size;
+      out_peer->throughput_out_packets_ctr++;
+      
+      if(is_query)
+      {
+        out_peer->last_out_query_at = td::Timestamp::now();
+      }
+    }
+  }
+  
+  void update_throughput_in_ctr(adnl::AdnlNodeIdShort peer_id, td::uint32 msg_size, bool is_query) override {
+    auto in_peer = peers_.get(peer_id);
+    if(in_peer) {
+      in_peer->throughput_in_bytes_ctr += msg_size;
+      in_peer->throughput_in_packets_ctr++;
+      
+      if(is_query)
+      {
+        in_peer->last_in_query_at = td::Timestamp::now();
+      }
+    }
+  }
+  
+  void update_peer_ip_str(adnl::AdnlNodeIdShort peer_id, td::string ip_str) override {
+    auto fpeer = peers_.get(peer_id);
+    if(fpeer) {
+      fpeer->ip_addr_str = ip_str;
+    }
+  }
 
  private:
   template <class T>
@@ -236,6 +294,8 @@ class OverlayImpl : public Overlay {
   td::DecTree<adnl::AdnlNodeIdShort, OverlayPeer> peers_;
   td::Timestamp next_dht_query_ = td::Timestamp::in(1.0);
   td::Timestamp update_db_at_;
+  td::Timestamp update_throughput_at_;
+  td::Timestamp last_throughput_update_;
 
   std::unique_ptr<Overlays::Callback> callback_;
 
@@ -291,6 +351,7 @@ class OverlayImpl : public Overlay {
   bool public_;
   bool semi_public_ = false;
   OverlayPrivacyRules rules_;
+  td::string scope_;
   std::map<PublicKeyHash, std::shared_ptr<Certificate>> certs_;
 
   class CachedEncryptor : public td::ListNode {
diff --git a/overlay/overlays.h b/overlay/overlays.h
index 799faf5a..45316254 100644
--- a/overlay/overlays.h
+++ b/overlay/overlays.h
@@ -193,7 +193,7 @@ class Overlays : public td::actor::Actor {
   virtual void update_dht_node(td::actor::ActorId<dht::Dht> dht) = 0;
 
   virtual void create_public_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
-                                     std::unique_ptr<Callback> callback, OverlayPrivacyRules rules) = 0;
+                                     std::unique_ptr<Callback> callback, OverlayPrivacyRules rules, td::string scope) = 0;
   virtual void create_private_overlay(adnl::AdnlNodeIdShort local_id, OverlayIdFull overlay_id,
                                       std::vector<adnl::AdnlNodeIdShort> nodes, std::unique_ptr<Callback> callback,
                                       OverlayPrivacyRules rules) = 0;
diff --git a/rldp/rldp-in.hpp b/rldp/rldp-in.hpp
index 196f5edc..b4981999 100644
--- a/rldp/rldp-in.hpp
+++ b/rldp/rldp-in.hpp
@@ -99,6 +99,7 @@ class RldpIn : public RldpImpl {
   void in_transfer_completed(TransferId transfer_id);
 
   void add_id(adnl::AdnlNodeIdShort local_id) override;
+  void get_conn_ip_str(adnl::AdnlNodeIdShort l_id, adnl::AdnlNodeIdShort p_id, td::Promise<td::string> promise) override;
 
   RldpIn(td::actor::ActorId<adnl::AdnlPeerTable> adnl) : adnl_(adnl) {
   }
diff --git a/rldp/rldp.cpp b/rldp/rldp.cpp
index ac787ca5..9b38dcb8 100644
--- a/rldp/rldp.cpp
+++ b/rldp/rldp.cpp
@@ -259,6 +259,10 @@ void RldpIn::add_id(adnl::AdnlNodeIdShort local_id) {
   local_ids_.insert(local_id);
 }
 
+void RldpIn::get_conn_ip_str(adnl::AdnlNodeIdShort l_id, adnl::AdnlNodeIdShort p_id, td::Promise<td::string> promise) {  
+  td::actor::send_closure(adnl_, &adnl::AdnlPeerTable::get_conn_ip_str, l_id, p_id, std::move(promise));
+}
+
 std::unique_ptr<adnl::Adnl::Callback> RldpIn::make_adnl_callback() {
   class Callback : public adnl::Adnl::Callback {
    private:
diff --git a/rldp2/rldp-in.hpp b/rldp2/rldp-in.hpp
index e1697c4d..c2e46d2a 100644
--- a/rldp2/rldp-in.hpp
+++ b/rldp2/rldp-in.hpp
@@ -90,6 +90,8 @@ class RldpIn : public RldpImpl {
 
   void add_id(adnl::AdnlNodeIdShort local_id) override;
 
+  void get_conn_ip_str(adnl::AdnlNodeIdShort l_id, adnl::AdnlNodeIdShort p_id, td::Promise<td::string> promise) override;
+
   RldpIn(td::actor::ActorId<adnl::AdnlPeerTable> adnl) : adnl_(adnl) {
   }
 
diff --git a/rldp2/rldp.cpp b/rldp2/rldp.cpp
index 7a608c14..765e38a5 100644
--- a/rldp2/rldp.cpp
+++ b/rldp2/rldp.cpp
@@ -217,6 +217,10 @@ void RldpIn::add_id(adnl::AdnlNodeIdShort local_id) {
   local_ids_.insert(local_id);
 }
 
+void RldpIn::get_conn_ip_str(adnl::AdnlNodeIdShort l_id, adnl::AdnlNodeIdShort p_id, td::Promise<td::string> promise) {
+  td::actor::send_closure(adnl_, &adnl::AdnlPeerTable::get_conn_ip_str, l_id, p_id, std::move(promise));
+}
+
 std::unique_ptr<adnl::Adnl::Callback> RldpIn::make_adnl_callback() {
   class Callback : public adnl::Adnl::Callback {
    private:
diff --git a/storage/storage-cli.cpp b/storage/storage-cli.cpp
index fcbbc55f..06cb0055 100644
--- a/storage/storage-cli.cpp
+++ b/storage/storage-cli.cpp
@@ -95,7 +95,7 @@ class PeerManager : public td::actor::Actor {
       }
     };
     send_closure(overlays_, &ton::overlay::Overlays::create_public_overlay, adnl_id_, overlay_id_.clone(),
-                 std::make_unique<Callback>(), rules);
+                 std::make_unique<Callback>(), rules, "{ \"type\": \"storage\" }");
   }
   void tear_down() override {
     send_closure(overlays_, &ton::overlay::Overlays::delete_overlay, adnl_id_, overlay_id_.compute_short_id());
diff --git a/tl/generate/scheme/ton_api.tl b/tl/generate/scheme/ton_api.tl
index 0be70540..7f52198b 100644
--- a/tl/generate/scheme/ton_api.tl
+++ b/tl/generate/scheme/ton_api.tl
@@ -620,8 +620,9 @@ engine.validator.proposalVote perm_key:int256 to_send:bytes = engine.validator.P
 engine.validator.dhtServerStatus id:int256 status:int = engine.validator.DhtServerStatus;
 engine.validator.dhtServersStatus servers:(vector engine.validator.dhtServerStatus) = engine.validator.DhtServersStatus;
 
-engine.validator.overlayStats overlay_id:int256 overlay_id_full:PublicKey adnl_id:int256 nodes:(vector adnl.id.short) 
-                              stats:(vector engine.validator.oneStat) = engine.validator.OverlayStats;
+engine.validator.overlayStatsNode adnl_id:int256 ip_addr:string bdcst_errors:int fec_bdcst_errors:int last_in_query:int last_out_query:int t_out_bytes:int t_in_bytes:int t_out_pckts:int t_in_pckts:int = engine.validator.OverlayStatsNode;
+
+engine.validator.overlayStats overlay_id:int256 overlay_id_full:PublicKey adnl_id:int256 scope:string nodes:(vector engine.validator.overlayStatsNode) stats:(vector engine.validator.oneStat) = engine.validator.OverlayStats;
 engine.validator.overlaysStats overlays:(vector engine.validator.overlayStats) = engine.validator.OverlaysStats;
 
 
diff --git a/tl/generate/scheme/ton_api.tlo b/tl/generate/scheme/ton_api.tlo
index dbdd73b3..fad15df5 100644
Binary files a/tl/generate/scheme/ton_api.tlo and b/tl/generate/scheme/ton_api.tlo differ
diff --git a/validator-engine-console/validator-engine-console-query.cpp b/validator-engine-console/validator-engine-console-query.cpp
index 4b5802c6..89fe9f1a 100644
--- a/validator-engine-console/validator-engine-console-query.cpp
+++ b/validator-engine-console/validator-engine-console-query.cpp
@@ -34,6 +34,7 @@
 #include "overlay/overlays.h"
 
 #include <cctype>
+#include <fstream>
 
 Tokenizer::Tokenizer(td::BufferSlice data) : data_(std::move(data)) {
   remaining_ = data_.as_slice();
@@ -835,11 +836,25 @@ td::Status GetOverlaysStatsQuery::receive(td::BufferSlice data) {
                     "received incorrect answer: ");
   for (auto &s : f->overlays_) {
     td::StringBuilder sb;
-    sb << "overlay_id=" << s->overlay_id_ << " adnl_id=" << s->adnl_id_ << "\n";
-    sb << "  nodes:";
+    sb << "overlay_id: " << s->overlay_id_ << " adnl_id: " << s->adnl_id_ << " scope: " << s->scope_ << "\n";
+    sb << "  nodes:\n";
+    
+    td::uint32 overlay_t_out_bytes = 0;
+    td::uint32 overlay_t_out_pckts = 0;
+    td::uint32 overlay_t_in_bytes = 0;
+    td::uint32 overlay_t_in_pckts = 0;
+    
     for (auto &n : s->nodes_) {
-      sb << "   " << n->id_ << "\n";
+      sb << "   adnl_id: " << n->adnl_id_ << " ip_addr: " << n->ip_addr_ << " broadcast_errors: " << n->bdcst_errors_ << " fec_broadcast_errors: " << n->fec_bdcst_errors_ << " last_in_query: " << n->last_in_query_ << " (" << time_to_human(n->last_in_query_) << ")" << " last_out_query: " << n->last_out_query_ << " (" << time_to_human(n->last_out_query_) << ")" << "\n   throughput:\n    out: " << n->t_out_bytes_ << " bytes/sec, " << n->t_out_pckts_ << " pckts/sec\n    in: " << n->t_in_bytes_ << " bytes/sec, " << n->t_in_pckts_ << " pckts/sec\n";
+      
+      overlay_t_out_bytes += n->t_out_bytes_;
+      overlay_t_out_pckts += n->t_out_pckts_;
+      
+      overlay_t_in_bytes += n->t_in_bytes_;
+      overlay_t_in_pckts += n->t_in_pckts_;
     }
+    sb << "  total_throughput:\n   out: " << overlay_t_out_bytes << " bytes/sec, " << overlay_t_out_pckts << " pckts/sec\n   in: " << overlay_t_in_bytes << " bytes/sec, " << overlay_t_in_pckts << " pckts/sec\n";
+     
     sb << "  stats:\n";
     for (auto &t : s->stats_) {
       sb << "    " << t->key_ << "\t" << t->value_ << "\n";
@@ -849,6 +864,82 @@ td::Status GetOverlaysStatsQuery::receive(td::BufferSlice data) {
   return td::Status::OK();
 }
 
+td::Status GetOverlaysStatsJsonQuery::run() {
+  TRY_RESULT_ASSIGN(file_name_, tokenizer_.get_token<std::string>());
+  TRY_STATUS(tokenizer_.check_endl());
+  return td::Status::OK();
+}
+
+td::Status GetOverlaysStatsJsonQuery::send() {
+  auto b = ton::create_serialize_tl_object<ton::ton_api::engine_validator_getOverlaysStats>();
+  td::actor::send_closure(console_, &ValidatorEngineConsole::envelope_send_query, std::move(b), create_promise());
+  return td::Status::OK();
+}
+
+td::Status GetOverlaysStatsJsonQuery::receive(td::BufferSlice data) {
+  TRY_RESULT_PREFIX(f, ton::fetch_tl_object<ton::ton_api::engine_validator_overlaysStats>(data.as_slice(), true),
+                    "received incorrect answer: ");
+  std::ofstream sb(file_name_);
+  
+  sb << "[\n";
+  bool rtail = false;
+  for (auto &s : f->overlays_) {
+    if(rtail) {
+      sb << ",\n";
+    } else {
+      rtail = true;
+    }
+    
+    sb << "{\n  \"overlay_id\": \"" << s->overlay_id_ << "\",\n  \"adnl_id\": \"" << s->adnl_id_ << "\",\n  \"scope\": " << s->scope_ << ",\n";
+    sb << "  \"nodes\": [\n";
+    
+    td::uint32 overlay_t_out_bytes = 0;
+    td::uint32 overlay_t_out_pckts = 0;
+    td::uint32 overlay_t_in_bytes = 0;
+    td::uint32 overlay_t_in_pckts = 0;
+    
+    bool tail = false;
+    for (auto &n : s->nodes_) {
+      if(tail) {
+        sb << ",\n";
+      } else {
+        tail = true;
+      }
+      
+      sb << "   {\n    \"adnl_id\": \"" << n->adnl_id_ << "\",\n    \"ip_addr\": \"" << n->ip_addr_ << "\",\n    \"broadcast_errors\": " << n->bdcst_errors_ << ",\n    \"fec_broadcast_errors\": " << n->fec_bdcst_errors_ << ",\n    \"last_in_query_unix\": " << n->last_in_query_ << ",\n    \"last_in_query_human\": \"" << time_to_human(n->last_in_query_) << "\",\n" << "    \"last_out_query_unix\": " << n->last_out_query_ << ",\n    \"last_out_query_human\": \"" << time_to_human(n->last_out_query_) << "\",\n" << "\n    \"throughput\": { \"out_bytes_sec\": " << n->t_out_bytes_ << ", \"out_pckts_sec\": " << n->t_out_pckts_ << ", \"in_bytes_sec\": " << n->t_in_bytes_ << ", \"in_pckts_sec\": " << n->t_in_pckts_ << " }\n   }";
+      
+      overlay_t_out_bytes += n->t_out_bytes_;
+      overlay_t_out_pckts += n->t_out_pckts_;
+      
+      overlay_t_in_bytes += n->t_in_bytes_;
+      overlay_t_in_pckts += n->t_in_pckts_;
+    }
+    sb << "  ],\n";
+    
+    sb << "  \"total_throughput\": { \"out_bytes_sec\": " << overlay_t_out_bytes << ", \"out_pckts_sec\": " << overlay_t_out_pckts << ", \"in_bytes_sec\": " << overlay_t_in_bytes << ", \"in_pckts_sec\": " << overlay_t_in_pckts << " },\n";
+     
+    sb << "  \"stats\": {\n";
+    
+    tail = false;
+    for (auto &t : s->stats_) {
+      if(tail) {
+        sb << ",\n";
+      } else {
+        tail = true;
+      }
+      
+      sb << "   \"" << t->key_ << "\": \"" << t->value_ << "\"";
+    }
+    sb << "\n  }\n";
+    sb << "}\n";
+  }
+  sb << "]\n";
+  sb << std::flush;
+  
+  td::TerminalIO::output(std::string("wrote stats to " + file_name_ + "\n"));
+  return td::Status::OK();
+}
+
 
 td::Status ImportCertificateQuery::receive(td::BufferSlice data) {
   TRY_RESULT_PREFIX(f, ton::fetch_tl_object<ton::ton_api::engine_validator_success>(data.as_slice(), true),
diff --git a/validator-engine-console/validator-engine-console-query.h b/validator-engine-console/validator-engine-console-query.h
index 769f2052..558a0893 100644
--- a/validator-engine-console/validator-engine-console-query.h
+++ b/validator-engine-console/validator-engine-console-query.h
@@ -918,11 +918,51 @@ class GetOverlaysStatsQuery : public Query {
   static std::string get_help() {
     return "getoverlaysstats\tgets stats for all overlays";
   }
+  static std::string time_to_human(int unixtime) {
+    char time_buffer[80];
+    time_t rawtime = unixtime;
+    struct tm tInfo;
+    struct tm* timeinfo = localtime_r(&rawtime, &tInfo);
+    assert(timeinfo == &tInfo);
+    strftime(time_buffer, 80, "%c", timeinfo);
+    return std::string(time_buffer);
+  }
   std::string name() const override {
     return get_name();
   }
 };
 
+class GetOverlaysStatsJsonQuery : public Query {
+ public:
+  GetOverlaysStatsJsonQuery(td::actor::ActorId<ValidatorEngineConsole> console, Tokenizer tokenizer)
+      : Query(console, std::move(tokenizer)) {
+  }
+  td::Status run() override;
+  td::Status send() override;
+  td::Status receive(td::BufferSlice data) override;
+  static std::string get_name() {
+    return "getoverlaysstatsjson";
+  }
+  static std::string get_help() {
+    return "getoverlaysstatsjson <outfile>\tgets stats for all overlays and writes to json file";
+  }
+  static std::string time_to_human(int unixtime) {
+    char time_buffer[80];
+    time_t rawtime = unixtime;
+    struct tm tInfo;
+    struct tm* timeinfo = localtime_r(&rawtime, &tInfo);
+    assert(timeinfo == &tInfo);
+    strftime(time_buffer, 80, "%c", timeinfo);
+    return std::string(time_buffer);
+  }
+  std::string name() const override {
+    return get_name();
+  }
+  
+private:
+ std::string file_name_;
+};
+
 class SignCertificateQuery : public Query {
  public:
   SignCertificateQuery(td::actor::ActorId<ValidatorEngineConsole> console, Tokenizer tokenizer)
diff --git a/validator-engine-console/validator-engine-console.cpp b/validator-engine-console/validator-engine-console.cpp
index 899cd53f..8e5f37b3 100644
--- a/validator-engine-console/validator-engine-console.cpp
+++ b/validator-engine-console/validator-engine-console.cpp
@@ -137,6 +137,7 @@ void ValidatorEngineConsole::run() {
   add_query_runner(std::make_unique<QueryRunnerImpl<SignCertificateQuery>>());
   add_query_runner(std::make_unique<QueryRunnerImpl<ImportCertificateQuery>>());
   add_query_runner(std::make_unique<QueryRunnerImpl<GetOverlaysStatsQuery>>());
+  add_query_runner(std::make_unique<QueryRunnerImpl<GetOverlaysStatsJsonQuery>>());
   add_query_runner(std::make_unique<QueryRunnerImpl<ImportShardOverlayCertificateQuery>>());
   add_query_runner(std::make_unique<QueryRunnerImpl<SignShardOverlayCertificateQuery>>());
 }
diff --git a/validator/full-node-shard.cpp b/validator/full-node-shard.cpp
index 279fb6fb..1094c896 100644
--- a/validator/full-node-shard.cpp
+++ b/validator/full-node-shard.cpp
@@ -93,7 +93,7 @@ void FullNodeShardImpl::create_overlay() {
   };
 
   td::actor::send_closure(overlays_, &overlay::Overlays::create_public_overlay, adnl_id_, overlay_id_full_.clone(),
-                          std::make_unique<Callback>(actor_id(this)), rules_);
+                          std::make_unique<Callback>(actor_id(this)), rules_, PSTRING() << "{ \"type\": \"shard\", \"shard_id\": " << get_shard() << ", \"workchain_id\": " << get_workchain() << " }");
 
   td::actor::send_closure(rldp_, &rldp::Rldp::add_id, adnl_id_);
   if (cert_) {