diff --git a/frontend/src/NetworkMapUnifi.jsx b/frontend/src/NetworkMapUnifi.jsx
index 2252940..40dd66a 100644
--- a/frontend/src/NetworkMapUnifi.jsx
+++ b/frontend/src/NetworkMapUnifi.jsx
@@ -167,6 +167,21 @@ export default function NetworkMapUnifi({
     return { low, belowNorm, normal };
   }, [alertSettings]);
 
+  const nodeMetaByIp = useMemo(() => {
+    const byIp = new Map();
+    servers.forEach((s) => {
+      const ip = String(s.ip || '');
+      if (!ip) return;
+      byIp.set(ip, {
+        ip,
+        dns: s.dns || '',
+        type: String(s.type || '').toLowerCase(),
+        nodeLabel: s.dns ? String(s.dns).split('.')[0] : ip,
+      });
+    });
+    return byIp;
+  }, [servers]);
+
   useEffect(() => {
     const el = containerRef.current;
     if (!el) return;
@@ -501,7 +516,9 @@ export default function NetworkMapUnifi({
         linkCount: 0,
         staleCount: 0,
         maxPingMs: null,
+        maxPingPeerLabel: null,
         minSpeedMbps: null,
+        minSpeedPeerLabel: null,
       });
     });
 
@@ -516,15 +533,24 @@ export default function NetworkMapUnifi({
       [e.from, e.to].forEach((nodeIp) => {
         const node = byIp.get(String(nodeIp));
         if (!node) return;
+        const peerIp = String(nodeIp) === String(e.from) ? String(e.to) : String(e.from);
+        const peerMeta = nodeMetaByIp.get(peerIp);
+        const peerLabel = peerMeta?.nodeLabel || peerIp;
         if (e.stale) node.staleCount += 1;
         if (typeof e.pingMs === 'number') {
-          node.maxPingMs = node.maxPingMs == null ? e.pingMs : Math.max(node.maxPingMs, e.pingMs);
+          if (node.maxPingMs == null || e.pingMs > node.maxPingMs) {
+            node.maxPingMs = e.pingMs;
+            node.maxPingPeerLabel = peerLabel;
+          }
         }
         const down = e.speed?.tcpDownloadBps != null ? e.speed.tcpDownloadBps / 1_000_000 : null;
         const up = e.speed?.tcpUploadBps != null ? e.speed.tcpUploadBps / 1_000_000 : null;
         const edgeMin = down != null && up != null ? Math.min(down, up) : (down ?? up);
         if (edgeMin != null && Number.isFinite(edgeMin)) {
-          node.minSpeedMbps = node.minSpeedMbps == null ? edgeMin : Math.min(node.minSpeedMbps, edgeMin);
+          if (node.minSpeedMbps == null || edgeMin < node.minSpeedMbps) {
+            node.minSpeedMbps = edgeMin;
+            node.minSpeedPeerLabel = peerLabel;
+          }
         }
       });
     });
@@ -536,23 +562,23 @@ export default function NetworkMapUnifi({
 
         if (n.maxPingMs != null) {
           if (n.maxPingMs >= 120) {
-            issues.push('Очень высокий ping');
+            issues.push(`Очень высокий ping${n.maxPingPeerLabel ? ` (с ${n.maxPingPeerLabel})` : ''}`);
             riskScore += 3;
           } else if (n.maxPingMs >= 80) {
-            issues.push('Повышенный ping');
+            issues.push(`Повышенный ping${n.maxPingPeerLabel ? ` (с ${n.maxPingPeerLabel})` : ''}`);
             riskScore += 2;
           }
         }
 
         if (n.minSpeedMbps != null) {
           if (n.minSpeedMbps < mapSpeedThresholds.low) {
-            issues.push('Низкая скорость');
+            issues.push(`Низкая скорость${n.minSpeedPeerLabel ? ` (с ${n.minSpeedPeerLabel})` : ''}`);
             riskScore += 3;
           } else if (n.minSpeedMbps < mapSpeedThresholds.belowNorm) {
-            issues.push('Скорость ниже нормы');
+            issues.push(`Скорость ниже нормы${n.minSpeedPeerLabel ? ` (с ${n.minSpeedPeerLabel})` : ''}`);
             riskScore += 2;
           } else if (n.minSpeedMbps < mapSpeedThresholds.normal) {
-            issues.push('Норма скорости не достигнута');
+            issues.push(`Норма скорости не достигнута${n.minSpeedPeerLabel ? ` (с ${n.minSpeedPeerLabel})` : ''}`);
             riskScore += 1;
           }
         }
@@ -572,6 +598,10 @@ export default function NetworkMapUnifi({
           issues,
           riskScore,
           nodeLabel: n.dns ? String(n.dns).split('.')[0] : n.ip,
+          affectedLink:
+            (n.maxPingPeerLabel && `${n.dns ? String(n.dns).split('.')[0] : n.ip} ↔ ${n.maxPingPeerLabel}`) ||
+            (n.minSpeedPeerLabel && `${n.dns ? String(n.dns).split('.')[0] : n.ip} ↔ ${n.minSpeedPeerLabel}`) ||
+            '—',
         };
       })
       .filter((n) => n.issues.length > 0)
@@ -580,7 +610,7 @@ export default function NetworkMapUnifi({
         (b.maxPingMs ?? -1) - (a.maxPingMs ?? -1) ||
         (a.minSpeedMbps ?? Infinity) - (b.minSpeedMbps ?? Infinity)
       );
-  }, [servers, connections, routedEdges, mapSpeedThresholds]);
+  }, [servers, connections, routedEdges, mapSpeedThresholds, nodeMetaByIp]);
 
   const criticalNodes = useMemo(
     () => problematicNodes.filter((n) => n.riskScore >= 4).slice(0, 8),
@@ -1078,13 +1108,14 @@ export default function NetworkMapUnifi({
                   <th scope="col">Ping max</th>
                   <th scope="col">Speed min</th>
                   <th scope="col">Связи</th>
+                  <th scope="col">Проблемная связь</th>
                   <th scope="col">Проблемы</th>
                 </tr>
               </thead>
               <tbody>
                 {criticalNodes.length === 0 ? (
                   <tr>
-                    <td colSpan={6} className="text-muted">Критичных узлов не найдено</td>
+                    <td colSpan={7} className="text-muted">Критичных узлов не найдено</td>
                   </tr>
                 ) : (
                   criticalNodes.map((n) => (
@@ -1101,6 +1132,9 @@ export default function NetworkMapUnifi({
                       <td>{n.maxPingMs != null ? `${n.maxPingMs} ms` : '—'}</td>
                       <td>{n.minSpeedMbps != null ? `${n.minSpeedMbps.toFixed(1)} Мбит/с` : '—'}</td>
                       <td>{n.linkCount}</td>
+                      <td>
+                        <span className="text-muted">{n.affectedLink}</span>
+                      </td>
                       <td>
                         <span className="badge bg-orange-lt text-orange">
                           {n.issues.slice(0, 2).join(', ')}
@@ -1130,13 +1164,14 @@ export default function NetworkMapUnifi({
                   <th scope="col">Ping max</th>
                   <th scope="col">Speed min</th>
                   <th scope="col">Stale</th>
+                  <th scope="col">Проблемная связь</th>
                   <th scope="col">Проблемы</th>
                 </tr>
               </thead>
               <tbody>
                 {warningNodes.length === 0 ? (
                   <tr>
-                    <td colSpan={5} className="text-muted">Узлов с предупреждениями не найдено</td>
+                    <td colSpan={6} className="text-muted">Узлов с предупреждениями не найдено</td>
                   </tr>
                 ) : (
                   warningNodes.map((n) => (
@@ -1152,6 +1187,9 @@ export default function NetworkMapUnifi({
                           {n.staleCount}
                         </span>
                       </td>
+                      <td>
+                        <span className="text-muted">{n.affectedLink}</span>
+                      </td>
                       <td>
                         <span className="text-muted">{n.issues.slice(0, 2).join(', ')}</span>
                       </td>