diff --git a/frontend/src/NetworkMapDashboard.jsx b/frontend/src/NetworkMapDashboard.jsx
index 1b06533..9204878 100644
--- a/frontend/src/NetworkMapDashboard.jsx
+++ b/frontend/src/NetworkMapDashboard.jsx
@@ -195,14 +195,21 @@ export default function NetworkMapDashboard() {
   /** Один ключ пинга на ребро (маршруты статичны — одна сторона) */
   const edgePingKey = (a, b) => [String(a), String(b)].sort().join(':');
 
-  const requestPings = useCallback(async () => {
-    if (connections.length === 0) return;
+  /**
+   * Запросить пинг для всех соединений или для конкретного подмножества.
+   * Если передать force=true, игнорирует TTL кеша по пингу.
+   */
+  const requestPings = useCallback(async (options = {}) => {
+    const { connections: targetConnections, force = false } = options;
+    const sourceConnections =
+      Array.isArray(targetConnections) && targetConnections.length > 0 ? targetConnections : connections;
+    if (sourceConnections.length === 0) return;
     pingAbortRef.current = false;
     setPingLoading(true);
     const ttlMs = Math.max(0, (pingCacheSeconds || 0) * 1000);
 
     const tasks = [];
-    connections.forEach((c) => {
+    sourceConnections.forEach((c) => {
       const from = String(c.from);
       const to = String(c.to);
       if (!from || !to || from === to) return;
@@ -214,7 +221,7 @@ export default function NetworkMapDashboard() {
         srcTo && ['jumphost', 'home'].includes(String(srcTo.type || '').toLowerCase()) && c.internalToFrom;
 
       const ekey = edgePingKey(from, to);
-      if (ttlMs > 0 && pingTimestampsRef.current[ekey] && Date.now() - pingTimestampsRef.current[ekey] < ttlMs) {
+      if (!force && ttlMs > 0 && pingTimestampsRef.current[ekey] && Date.now() - pingTimestampsRef.current[ekey] < ttlMs) {
         return;
       }
 
@@ -291,8 +298,14 @@ export default function NetworkMapDashboard() {
   const speedKey = (key1, key2) =>
     [String(key1), String(key2)].sort().join(':');
 
-  const requestSpeeds = useCallback(async () => {
-    const withSpeed = connections.filter(
+  /**
+   * Запросить скорость для всех соединений или подмножества.
+   */
+  const requestSpeeds = useCallback(async (options = {}) => {
+    const { connections: targetConnections } = options;
+    const sourceConnections =
+      Array.isArray(targetConnections) && targetConnections.length > 0 ? targetConnections : connections;
+    const withSpeed = sourceConnections.filter(
       (c) => c.speedTestServerId && c.interfaceName
     );
     if (withSpeed.length === 0) return;
@@ -343,6 +356,22 @@ export default function NetworkMapDashboard() {
     setSpeedLoading(false);
   }, [connections]);
 
+  const handleRefreshPingForConnection = useCallback(
+    (connection) => {
+      if (!connection) return;
+      requestPings({ connections: [connection], force: true });
+    },
+    [requestPings]
+  );
+
+  const handleRefreshSpeedForConnection = useCallback(
+    (connection) => {
+      if (!connection) return;
+      requestSpeeds({ connections: [connection] });
+    },
+    [requestSpeeds]
+  );
+
   useEffect(() => {
     const controller = new AbortController();
     fetchData(controller.signal);
@@ -427,6 +456,10 @@ export default function NetworkMapDashboard() {
           speedMap={speedMap}
           pingStaleMap={pingStaleMap}
           speedStaleMap={speedStaleMap}
+          onRefreshPingForConnection={handleRefreshPingForConnection}
+          onRefreshSpeedForConnection={handleRefreshSpeedForConnection}
+          pingLoading={pingLoading}
+          speedLoading={speedLoading}
         />
       )}
     </div>
diff --git a/frontend/src/NetworkMapUnifi.jsx b/frontend/src/NetworkMapUnifi.jsx
index cda5b42..353febf 100644
--- a/frontend/src/NetworkMapUnifi.jsx
+++ b/frontend/src/NetworkMapUnifi.jsx
@@ -86,7 +86,18 @@ function speedKey(key1, key2) {
   return [String(key1), String(key2)].sort().join(':');
 }
 
-export default function NetworkMapUnifi({ servers = [], connections = [], pingMap = {}, speedMap = {}, pingStaleMap = {}, speedStaleMap = {} }) {
+export default function NetworkMapUnifi({
+  servers = [],
+  connections = [],
+  pingMap = {},
+  speedMap = {},
+  pingStaleMap = {},
+  speedStaleMap = {},
+  onRefreshPingForConnection,
+  onRefreshSpeedForConnection,
+  pingLoading = false,
+  speedLoading = false,
+}) {
   const containerRef = useRef(null);
   const svgRef = useRef(null);
   const [size, setSize] = useState({ w: 800, h: 520 });
@@ -514,6 +525,17 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
         const sk = speedKey(selectedEdge.raw?.fromKey, selectedEdge.raw?.toKey);
         const speed = speedMap[sk] ?? selectedEdge.speed;
         const speedStale = speedStaleMap[sk] === true;
+        const canPingFrom =
+          fromServer &&
+          ['jumphost', 'home'].includes(String(fromServer.type || '').toLowerCase()) &&
+          selectedEdge.raw?.internalFromTo;
+        const canPingTo =
+          toServer &&
+          ['jumphost', 'home'].includes(String(toServer.type || '').toLowerCase()) &&
+          selectedEdge.raw?.internalToFrom;
+        const canPing = Boolean(canPingFrom || canPingTo);
+        const canSpeed =
+          Boolean(selectedEdge.raw?.speedTestServerId && selectedEdge.raw?.interfaceName);
         return (
           <div
             className="network-map-edge-modal-backdrop"
@@ -635,6 +657,32 @@ export default function NetworkMapUnifi({ servers = [], connections = [], pingMa
                     </div>
                   </div>
                 )}
+                <div className="mt-3 d-flex flex-wrap gap-2 justify-content-end">
+                  <button
+                    type="button"
+                    className="btn btn-outline-primary btn-sm"
+                    disabled={!canPing || pingLoading || !onRefreshPingForConnection}
+                    onClick={() => onRefreshPingForConnection && onRefreshPingForConnection(selectedEdge.raw)}
+                  >
+                    <IconRefresh
+                      size={14}
+                      className={pingLoading ? 'spin me-1' : 'me-1'}
+                    />
+                    {pingLoading ? 'Пинг…' : 'Проверить пинг'}
+                  </button>
+                  <button
+                    type="button"
+                    className="btn btn-outline-primary btn-sm"
+                    disabled={!canSpeed || speedLoading || !onRefreshSpeedForConnection}
+                    onClick={() => onRefreshSpeedForConnection && onRefreshSpeedForConnection(selectedEdge.raw)}
+                  >
+                    <IconRefresh
+                      size={14}
+                      className={speedLoading ? 'spin me-1' : 'me-1'}
+                    />
+                    {speedLoading ? 'Скорость…' : 'Проверить скорость'}
+                  </button>
+                </div>
               </div>
             </div>
           </div>