diff --git a/src/routing_layer/conn_mgr_monitor.c b/src/routing_layer/conn_mgr_monitor.c
index d554d14e..32398ab3 100644
--- a/src/routing_layer/conn_mgr_monitor.c
+++ b/src/routing_layer/conn_mgr_monitor.c
@@ -177,7 +177,8 @@ void cm_candidate_ping_timer_cb(void* arg) {
         if (cm_has_active_conn(mgr->group, nid)) {
             struct ETCP_CONN* dc = topo_group_find_conn_for_node(mgr->group, nid);
             struct TOPO_NODE* ni = topo_node_registry_find(mgr->instance->topo_groups, nq->node_id);
-            if (ni && dc && dc->links) {
+            /* пир в SLEEP-фазе — прямое соединение живо, пинг будит его: пропускаем */
+            if (ni && dc && dc->links && !dc->peer_sleep_phase) {
                 if (dc->links->is_tcp)
                     etcp_send_tcp_ping(mgr->instance, ni->public_key, &dc->links->remote_addr, CONN_PROBE_TIMEOUT_MS, cm_bg_ping_noop_cb, NULL);
                 else
diff --git a/src/routing_layer/conn_mgr_priv.h b/src/routing_layer/conn_mgr_priv.h
index b4a9c95d..44bc47f3 100644
--- a/src/routing_layer/conn_mgr_priv.h
+++ b/src/routing_layer/conn_mgr_priv.h
@@ -24,7 +24,7 @@ struct stcp_link;
 #define CONN_MGR_CANDIDATE_STALE_TB 300000
 #define CONN_MGR_CANDIDATE_PING_TB  20000
 #define CONN_MGR_BG_PING_INTERVAL_TB 1000
-#define CONN_MGR_BG_PING_CYCLE_MIN_TB 100000
+#define CONN_MGR_BG_PING_CYCLE_MIN_TB 600000
 #define CONN_MGR_LOCAL_SCAN_ATTEMPTS    3
 #define CONN_MGR_LOCAL_SCAN_TIMEOUT_MS  100
 #define CONN_MGR_CONNECT_DIRECT_TIMEOUT_MS  2000
diff --git a/src/routing_layer/route_connectivity.c b/src/routing_layer/route_connectivity.c
index fb6da9eb..58346fc2 100644
--- a/src/routing_layer/route_connectivity.c
+++ b/src/routing_layer/route_connectivity.c
@@ -273,6 +273,11 @@ void route_connectivity_probe_node(struct UTUN_INSTANCE* instance, struct TOPO_G
     struct TOPO_NODE* ni = topo_node_registry_find(instance->topo_groups, nq->node_id);
     if (!ni) return;
     if (nq->node_id == instance->node_id) return; // не пингуем себя
+    /* Пир в SLEEP-фазе: прямое соединение живо, probe будит пира — пропускаем. */
+    {
+        struct ETCP_CONN* c = instance_find_conn(instance, nq->node_id);
+        if (c && c->peer_sleep_phase) return;
+    }
 #ifdef UTUN_HAVE_STANDBY
     if (nq->connectivity.probe_status == PROBE_STATUS_DEFERRED) {
         DEBUG_INFO(DEBUG_CATEGORY_BGP, "probe already deferred for node %016llx", (unsigned long long)nq->node_id);
diff --git a/src/transport_layer/etcp_keepalive.c b/src/transport_layer/etcp_keepalive.c
index b37a86bc..1288d0d1 100644
--- a/src/transport_layer/etcp_keepalive.c
+++ b/src/transport_layer/etcp_keepalive.c
@@ -340,9 +340,14 @@ static void ka_announce_retry_cb(void* arg) {
 }
 
 // Анонс-серия (ACTIVE-окно): анонс + ретраи до ACK, лимит попыток на окно.
+// TCP доставляет надёжно — без ретраев и ACK, только один анонс.
 static void ka_announce_burst(struct ETCP_LINK* link) {
     link->ka_announce_attempts = 0;
     link->ka_sleep_acked = 0;
+    if (link->is_tcp) {
+        ka_send_sleep_keepalive(link);
+        return;
+    }
     link->ka_announce_max_attempts = ka_announce_max_calc(link);
     ka_send_sleep_keepalive(link);   // попытка 1
     ka_arm_announce_retry(link);
@@ -507,7 +512,8 @@ int etcp_keepalive_on_recv(struct ETCP_SOCKET* e_sock, struct ETCP_DGRAM* pkt,
                        link->etcp->log_name, peer_period,
                        (int)(active_remaining / 10), (int)(active_remaining % 10),
                        (int)(sleep_duration / 10), (int)(sleep_duration % 10));
-            ka_send_sleep_ack(link);
+            if (!link->is_tcp)
+                ka_send_sleep_ack(link);   /* TCP доставляет надёжно — ACK не нужен */
         } else if (link->ka_peer_sleeping) {
             /* Обычный keepalive (без флагов): пир проснулся — вернуться в normal-режим. */
             link->ka_peer_sleeping = 0;