diff --git a/tools/etcpmon/etcpmon_client.c b/tools/etcpmon/etcpmon_client.c
index 977a030..dd1177c 100644
--- a/tools/etcpmon/etcpmon_client.c
+++ b/tools/etcpmon/etcpmon_client.c
@@ -222,6 +222,18 @@ void etcpmon_client_disconnect(struct etcpmon_client* client) {
     client->fully_connected = 0;
     client->recv_len = 0;
     client->selected_peer_id = 0;
+    
+    /* Очистить очередь pending requests и сбросить seq_id */
+    struct etcpmon_pending_request* req = client->pending_head;
+    while (req) {
+        struct etcpmon_pending_request* next = req->next;
+        free(req);
+        req = next;
+    }
+    client->pending_head = NULL;
+    client->pending_tail = NULL;
+    client->next_seq_id = 1;
+    client->last_response_seq_id = 0;
 }
 
 int etcpmon_client_is_connected(const struct etcpmon_client* client) {
diff --git a/tools/etcpmon/etcpmon_gui.c b/tools/etcpmon/etcpmon_gui.c
index ddbe773..d657f89 100644
--- a/tools/etcpmon/etcpmon_gui.c
+++ b/tools/etcpmon/etcpmon_gui.c
@@ -733,6 +733,8 @@ static void OnDisconnect(struct etcpmon_app* app) {
     
     etcpmon_client_disconnect(app->client);
     app->isConnected = 0;
+    app->need_initial_request = 1;
+    app->last_selected_peer_id = 0;  // Сбросить для автоматического выбора при переподключении
     UpdateUIState(app);
     etcpmon_gui_clear_metrics(app);
     etcpmon_gui_set_status(app, "Disconnected");