diff --git a/backend/routes/alertsRoutes.js b/backend/routes/alertsRoutes.js
index 49bb3df..d5eddb3 100644
--- a/backend/routes/alertsRoutes.js
+++ b/backend/routes/alertsRoutes.js
@@ -8,6 +8,8 @@ const { readServersFromS3 } = require('./serversRoutes');
 const { checkOneServerFast, loadUiSettingsSync } = require('./miscRoutes');
 const { getResourceStatsData } = require('./resourceStatsRoutes');
 const { getUptimeCacheData } = require('./mikrotikConfigRoutes');
+const { buildConnections } = require('../services/networkMapScheduler');
+const { readS3TextObject } = require('../services/s3Service');
 
 /** Значения по умолчанию для настроек оповещений. */
 const DEFAULT_ALERT_SETTINGS = {
@@ -16,6 +18,10 @@ const DEFAULT_ALERT_SETTINGS = {
   highCpu: { enabled: true, thresholdPercent: 85, durationMinutes: 10 },
   highRam: { enabled: true, thresholdPercent: 85, durationMinutes: 10 },
   highHdd: { enabled: true, thresholdPercent: 90, durationMinutes: 10 },
+  /** Порог по пингу туннелей (карта сети) */
+  tunnelHighPing: { enabled: false, thresholdMs: 0 },
+  /** Пороги по скорости туннелей (карта сети) */
+  tunnelLowSpeed: { enabled: false, minDownloadMbps: 0, minUploadMbps: 0 },
 };
 
 function getAlertSettings(uiSettings) {
@@ -26,9 +32,19 @@ function getAlertSettings(uiSettings) {
     highCpu: { ...DEFAULT_ALERT_SETTINGS.highCpu, ...raw.highCpu },
     highRam: { ...DEFAULT_ALERT_SETTINGS.highRam, ...raw.highRam },
     highHdd: { ...DEFAULT_ALERT_SETTINGS.highHdd, ...raw.highHdd },
+    tunnelHighPing: { ...DEFAULT_ALERT_SETTINGS.tunnelHighPing, ...raw.tunnelHighPing },
+    tunnelLowSpeed: { ...DEFAULT_ALERT_SETTINGS.tunnelLowSpeed, ...raw.tunnelLowSpeed },
   };
 }
 
+function edgePingKey(a, b) {
+  return [String(a), String(b)].sort().join(':');
+}
+
+function speedKey(key1, key2) {
+  return [String(key1), String(key2)].sort().join(':');
+}
+
 /**
  * GET /api/alerts
  * Возвращает список активных оповещений (учёт настроек из ui-settings.alertSettings).
@@ -177,6 +193,119 @@ async function getAlerts(req, res) {
       }
     });
 
+    // 3) Туннели (карта сети): высокий пинг и/или низкая скорость
+    const tunnelPingSettings = settings.tunnelHighPing || {};
+    const tunnelSpeedSettings = settings.tunnelLowSpeed || {};
+    const tunnelPingEnabled = Boolean(tunnelPingSettings.enabled);
+    const tunnelSpeedEnabled = Boolean(tunnelSpeedSettings.enabled);
+
+    if (tunnelPingEnabled || tunnelSpeedEnabled) {
+      let cache = null;
+      let connectionsData = null;
+      try {
+        const [rawCache, built] = await Promise.all([
+          readS3TextObject('network-map-cache/latest.json').catch(() => null),
+          buildConnections().catch(() => null),
+        ]);
+        if (rawCache?.body) {
+          const parsed = JSON.parse(rawCache.body);
+          if (parsed && typeof parsed === 'object') cache = parsed;
+        }
+        if (built && typeof built === 'object') connectionsData = built;
+      } catch (e) {
+        // Ошибки при чтении кеша/конфигурации не должны ломать остальные оповещения
+        console.warn('alerts: network-map-cache read failed', e?.message || e);
+      }
+
+      if (cache && connectionsData && Array.isArray(connectionsData.connections)) {
+        const pingMap = cache.pingMap && typeof cache.pingMap === 'object' ? cache.pingMap : {};
+        const speedMap = cache.speedMap && typeof cache.speedMap === 'object' ? cache.speedMap : {};
+
+        const thPingMs = Math.max(1, Number(tunnelPingSettings.thresholdMs) || 0);
+        const minDownMbps = Math.max(0, Number(tunnelSpeedSettings.minDownloadMbps) || 0);
+        const minUpMbps = Math.max(0, Number(tunnelSpeedSettings.minUploadMbps) || 0);
+
+        if (thPingMs > 0 || minDownMbps > 0 || minUpMbps > 0) {
+          const serversByIp = new Map();
+          servers.forEach((s) => {
+            if (s && s.ip) {
+              serversByIp.set(String(s.ip), s);
+            }
+          });
+
+          connectionsData.connections.forEach((c) => {
+            const fromIp = String(c.from);
+            const toIp = String(c.to);
+            if (!fromIp || !toIp || fromIp === toIp) return;
+
+            const fromServer = serversByIp.get(fromIp) || null;
+            const toServer = serversByIp.get(toIp) || null;
+            const fromName = fromServer?.name || fromServer?.dns || fromIp;
+            const toName = toServer?.name || toServer?.dns || toIp;
+
+            const pingMapKey = edgePingKey(fromIp, toIp);
+            const pingMs = typeof pingMap[pingMapKey] === 'number' ? pingMap[pingMapKey] : null;
+
+            if (tunnelPingEnabled && thPingMs > 0 && pingMs != null && pingMs >= thPingMs) {
+              alerts.push({
+                id: `tunnel-ping-${pingMapKey}-${thPingMs}`,
+                type: 'tunnel_high_ping',
+                severity: 'warning',
+                title: 'Высокий пинг по туннелю',
+                description: `Пинг между ${fromName} и ${toName}: ${pingMs} ms (порог ${thPingMs} ms).`,
+                entity: `${fromName} ⇄ ${toName}`,
+                entityId: `${c.fromKey || fromIp}__${c.toKey || toIp}__${c.interfaceName || ''}`,
+                link: '/network-map',
+                at: now,
+              });
+            }
+
+            if (tunnelSpeedEnabled && (minDownMbps > 0 || minUpMbps > 0) && c.fromKey && c.toKey) {
+              const sk = speedKey(c.fromKey, c.toKey);
+              const speed = speedMap[sk];
+              if (speed && typeof speed === 'object') {
+                const downMbps =
+                  typeof speed.tcpDownloadBps === 'number' ? speed.tcpDownloadBps / 1e6 : null;
+                const upMbps =
+                  typeof speed.tcpUploadBps === 'number' ? speed.tcpUploadBps / 1e6 : null;
+
+                const downTooLow = minDownMbps > 0 && (downMbps == null || downMbps < minDownMbps);
+                const upTooLow = minUpMbps > 0 && (upMbps == null || upMbps < minUpMbps);
+
+                if (downTooLow || upTooLow) {
+                  const parts = [];
+                  if (downTooLow) {
+                    parts.push(
+                      `↓ ${downMbps != null ? downMbps.toFixed(1) : '—'} Мбит/с (порог ${minDownMbps} Мбит/с)`
+                    );
+                  }
+                  if (upTooLow) {
+                    parts.push(
+                      `↑ ${upMbps != null ? upMbps.toFixed(1) : '—'} Мбит/с (порог ${minUpMbps} Мбит/с)`
+                    );
+                  }
+                  const ifaceLabel = c.interfaceName ? `, интерфейс ${c.interfaceName}` : '';
+                  alerts.push({
+                    id: `tunnel-speed-${sk}-${minDownMbps}-${minUpMbps}`,
+                    type: 'tunnel_low_speed',
+                    severity: 'warning',
+                    title: 'Низкая скорость по туннелю',
+                    description: `Туннель между ${fromName} и ${toName}${ifaceLabel}: ${parts.join(
+                      '; '
+                    )}.`,
+                    entity: `${fromName} ⇄ ${toName}`,
+                    entityId: `${c.fromKey || fromIp}__${c.toKey || toIp}__${c.interfaceName || ''}`,
+                    link: '/network-map',
+                    at: now,
+                  });
+                }
+              }
+            }
+          });
+        }
+      }
+    }
+
     return res.json({
       alerts,
       total: alerts.length,
diff --git a/frontend/src/SettingsPage.jsx b/frontend/src/SettingsPage.jsx
index 3668e55..c31f390 100644
--- a/frontend/src/SettingsPage.jsx
+++ b/frontend/src/SettingsPage.jsx
@@ -114,6 +114,11 @@ export default function SettingsPage() {
   const [alertHighHddEnabled, setAlertHighHddEnabled] = useState(true);
   const [alertHighHddThreshold, setAlertHighHddThreshold] = useState('90');
   const [alertHighHddDurationMinutes, setAlertHighHddDurationMinutes] = useState('10');
+  const [alertTunnelHighPingEnabled, setAlertTunnelHighPingEnabled] = useState(false);
+  const [alertTunnelHighPingThresholdMs, setAlertTunnelHighPingThresholdMs] = useState('0');
+  const [alertTunnelLowSpeedEnabled, setAlertTunnelLowSpeedEnabled] = useState(false);
+  const [alertTunnelLowSpeedMinDownload, setAlertTunnelLowSpeedMinDownload] = useState('0');
+  const [alertTunnelLowSpeedMinUpload, setAlertTunnelLowSpeedMinUpload] = useState('0');
   const [serversList, setServersList] = useState([]);
   const [sidebarSearch, setSidebarSearch] = useState('');
   const [activeSection, setActiveSection] = useState(() => {
@@ -321,18 +326,49 @@ export default function SettingsPage() {
         );
         const a = data?.alertSettings || {};
         setAlertServerOffline(a.serverOffline?.enabled !== false);
-        setAlertServerOfflineMinutes(a.serverOffline?.offlineMinutes != null ? String(a.serverOffline.offlineMinutes) : '5');
+        setAlertServerOfflineMinutes(
+          a.serverOffline?.offlineMinutes != null ? String(a.serverOffline.offlineMinutes) : '5'
+        );
         setAlertMikrotikUnreachable(a.mikrotikUnreachable?.enabled !== false);
-        setAlertMikrotikUnreachableMinutes(a.mikrotikUnreachable?.durationMinutes != null ? String(a.mikrotikUnreachable.durationMinutes) : '5');
+        setAlertMikrotikUnreachableMinutes(
+          a.mikrotikUnreachable?.durationMinutes != null
+            ? String(a.mikrotikUnreachable.durationMinutes)
+            : '5'
+        );
         setAlertHighCpuEnabled(a.highCpu?.enabled !== false);
-        setAlertHighCpuThreshold(a.highCpu?.thresholdPercent != null ? String(a.highCpu.thresholdPercent) : '85');
-        setAlertHighCpuDurationMinutes(a.highCpu?.durationMinutes != null ? String(a.highCpu.durationMinutes) : '10');
+        setAlertHighCpuThreshold(
+          a.highCpu?.thresholdPercent != null ? String(a.highCpu.thresholdPercent) : '85'
+        );
+        setAlertHighCpuDurationMinutes(
+          a.highCpu?.durationMinutes != null ? String(a.highCpu.durationMinutes) : '10'
+        );
         setAlertHighRamEnabled(a.highRam?.enabled !== false);
-        setAlertHighRamThreshold(a.highRam?.thresholdPercent != null ? String(a.highRam.thresholdPercent) : '85');
-        setAlertHighRamDurationMinutes(a.highRam?.durationMinutes != null ? String(a.highRam.durationMinutes) : '10');
+        setAlertHighRamThreshold(
+          a.highRam?.thresholdPercent != null ? String(a.highRam.thresholdPercent) : '85'
+        );
+        setAlertHighRamDurationMinutes(
+          a.highRam?.durationMinutes != null ? String(a.highRam.durationMinutes) : '10'
+        );
         setAlertHighHddEnabled(a.highHdd?.enabled !== false);
-        setAlertHighHddThreshold(a.highHdd?.thresholdPercent != null ? String(a.highHdd.thresholdPercent) : '90');
-        setAlertHighHddDurationMinutes(a.highHdd?.durationMinutes != null ? String(a.highHdd.durationMinutes) : '10');
+        setAlertHighHddThreshold(
+          a.highHdd?.thresholdPercent != null ? String(a.highHdd.thresholdPercent) : '90'
+        );
+        setAlertHighHddDurationMinutes(
+          a.highHdd?.durationMinutes != null ? String(a.highHdd.durationMinutes) : '10'
+        );
+        setAlertTunnelHighPingEnabled(a.tunnelHighPing?.enabled === true);
+        setAlertTunnelHighPingThresholdMs(
+          a.tunnelHighPing?.thresholdMs != null ? String(a.tunnelHighPing.thresholdMs) : '0'
+        );
+        setAlertTunnelLowSpeedEnabled(a.tunnelLowSpeed?.enabled === true);
+        setAlertTunnelLowSpeedMinDownload(
+          a.tunnelLowSpeed?.minDownloadMbps != null
+            ? String(a.tunnelLowSpeed.minDownloadMbps)
+            : '0'
+        );
+        setAlertTunnelLowSpeedMinUpload(
+          a.tunnelLowSpeed?.minUploadMbps != null ? String(a.tunnelLowSpeed.minUploadMbps) : '0'
+        );
         const e =
           settingsRes?.headers?.etag || settingsRes?.headers?.ETag || '';
         setEtag(e ? String(e) : '');
@@ -447,29 +483,71 @@ export default function SettingsPage() {
               interfaceName: p.interfaceName,
             }))
           : [],
-        alertSettings: {
+          alertSettings: {
           serverOffline: {
             enabled: alertServerOffline,
-            offlineMinutes: Math.max(1, Math.min(1440, parseInt(alertServerOfflineMinutes, 10) || 5)),
+            offlineMinutes: Math.max(
+              1,
+              Math.min(1440, parseInt(alertServerOfflineMinutes, 10) || 5)
+            ),
           },
           mikrotikUnreachable: {
             enabled: alertMikrotikUnreachable,
-            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertMikrotikUnreachableMinutes, 10) || 5)),
+            durationMinutes: Math.max(
+              1,
+              Math.min(1440, parseInt(alertMikrotikUnreachableMinutes, 10) || 5)
+            ),
           },
           highCpu: {
             enabled: alertHighCpuEnabled,
-            thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighCpuThreshold, 10) || 85)),
-            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighCpuDurationMinutes, 10) || 10)),
+            thresholdPercent: Math.max(
+              1,
+              Math.min(100, parseInt(alertHighCpuThreshold, 10) || 85)
+            ),
+            durationMinutes: Math.max(
+              1,
+              Math.min(1440, parseInt(alertHighCpuDurationMinutes, 10) || 10)
+            ),
           },
           highRam: {
             enabled: alertHighRamEnabled,
-            thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighRamThreshold, 10) || 85)),
-            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighRamDurationMinutes, 10) || 10)),
+            thresholdPercent: Math.max(
+              1,
+              Math.min(100, parseInt(alertHighRamThreshold, 10) || 85)
+            ),
+            durationMinutes: Math.max(
+              1,
+              Math.min(1440, parseInt(alertHighRamDurationMinutes, 10) || 10)
+            ),
           },
           highHdd: {
             enabled: alertHighHddEnabled,
-            thresholdPercent: Math.max(1, Math.min(100, parseInt(alertHighHddThreshold, 10) || 90)),
-            durationMinutes: Math.max(1, Math.min(1440, parseInt(alertHighHddDurationMinutes, 10) || 10)),
+            thresholdPercent: Math.max(
+              1,
+              Math.min(100, parseInt(alertHighHddThreshold, 10) || 90)
+            ),
+            durationMinutes: Math.max(
+              1,
+              Math.min(1440, parseInt(alertHighHddDurationMinutes, 10) || 10)
+            ),
+          },
+          tunnelHighPing: {
+            enabled: alertTunnelHighPingEnabled,
+            thresholdMs: Math.max(
+              1,
+              Math.min(5000, parseInt(alertTunnelHighPingThresholdMs, 10) || 0)
+            ),
+          },
+          tunnelLowSpeed: {
+            enabled: alertTunnelLowSpeedEnabled,
+            minDownloadMbps: Math.max(
+              0,
+              Math.min(10000, parseInt(alertTunnelLowSpeedMinDownload, 10) || 0)
+            ),
+            minUploadMbps: Math.max(
+              0,
+              Math.min(10000, parseInt(alertTunnelLowSpeedMinUpload, 10) || 0)
+            ),
           },
         },
       };
@@ -1320,6 +1398,96 @@ export default function SettingsPage() {
                       </div>
                     </div>
                   </div>
+
+                  {/* Пинг по туннелям (карта сети) */}
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
+                    <div className="flex-grow-1 min-w-0">
+                      <div className="fw-semibold">Пинг по туннелям</div>
+                      <div className="text-muted small">
+                        Срабатывает, если средний пинг по туннелю на карте сети превышает указанный порог.
+                        Применяется ко всем туннелям из раздела «Сетевые настройки».
+                      </div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 110 }}>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={1}
+                          max={5000}
+                          value={alertTunnelHighPingThresholdMs}
+                          onChange={(e) => setAlertTunnelHighPingThresholdMs(e.target.value)}
+                          disabled={saving || !alertTunnelHighPingEnabled}
+                        />
+                        <span className="input-group-text">ms</span>
+                      </div>
+                      <div className="form-check form-switch mb-0">
+                        <input
+                          className="form-check-input"
+                          type="checkbox"
+                          id="alertTunnelHighPingEnabled"
+                          checked={alertTunnelHighPingEnabled}
+                          onChange={(e) => setAlertTunnelHighPingEnabled(e.target.checked)}
+                          disabled={saving}
+                        />
+                        <label className="form-check-label small" htmlFor="alertTunnelHighPingEnabled">
+                          Вкл
+                        </label>
+                      </div>
+                    </div>
+                  </div>
+
+                  {/* Скорость по туннелям (карта сети) */}
+                  <div className="list-group-item d-flex flex-column flex-md-row align-items-stretch align-items-md-center gap-3 py-3">
+                    <div className="flex-grow-1 min-w-0">
+                      <div className="fw-semibold">Скорость по туннелям</div>
+                      <div className="text-muted small">
+                        Срабатывает, если измеренная скорость по туннелю (download и/или upload) ниже указанных
+                        порогов. Используются последние результаты планировщика карты сети.
+                      </div>
+                    </div>
+                    <div className="d-flex flex-wrap align-items-center gap-2">
+                      <div className="input-group input-group-sm" style={{ width: 130 }}>
+                        <span className="input-group-text">↓</span>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={0}
+                          max={10000}
+                          value={alertTunnelLowSpeedMinDownload}
+                          onChange={(e) => setAlertTunnelLowSpeedMinDownload(e.target.value)}
+                          disabled={saving || !alertTunnelLowSpeedEnabled}
+                        />
+                        <span className="input-group-text">Мбит/с</span>
+                      </div>
+                      <div className="input-group input-group-sm" style={{ width: 130 }}>
+                        <span className="input-group-text">↑</span>
+                        <input
+                          type="number"
+                          className="form-control"
+                          min={0}
+                          max={10000}
+                          value={alertTunnelLowSpeedMinUpload}
+                          onChange={(e) => setAlertTunnelLowSpeedMinUpload(e.target.value)}
+                          disabled={saving || !alertTunnelLowSpeedEnabled}
+                        />
+                        <span className="input-group-text">Мбит/с</span>
+                      </div>
+                      <div className="form-check form-switch mb-0">
+                        <input
+                          className="form-check-input"
+                          type="checkbox"
+                          id="alertTunnelLowSpeedEnabled"
+                          checked={alertTunnelLowSpeedEnabled}
+                          onChange={(e) => setAlertTunnelLowSpeedEnabled(e.target.checked)}
+                          disabled={saving}
+                        />
+                        <label className="form-check-label small" htmlFor="alertTunnelLowSpeedEnabled">
+                          Вкл
+                        </label>
+                      </div>
+                    </div>
+                  </div>
                 </div>
               </>
               )}