diff --git a/frontend/src/SettingsPage.jsx b/frontend/src/SettingsPage.jsx
index e0670b2..5063e73 100644
--- a/frontend/src/SettingsPage.jsx
+++ b/frontend/src/SettingsPage.jsx
@@ -74,7 +74,7 @@ export default function SettingsPage() {
   const [pingServicesServerId, setPingServicesServerId] = useState('');
   const [pingServicesGatewayIp, setPingServicesGatewayIp] = useState('');
   const [pingServicesCacheSeconds, setPingServicesCacheSeconds] = useState('');
-  const [trafficInterfaceNamesSelected, setTrafficInterfaceNamesSelected] = useState([]);
+  const [trafficInterfacesSelected, setTrafficInterfacesSelected] = useState([]);
   const [trafficJumphosts, setTrafficJumphosts] = useState([]);
   const [trafficInterfacesLoading, setTrafficInterfacesLoading] = useState(false);
   const [trafficInterfacesError, setTrafficInterfacesError] = useState('');
@@ -147,13 +147,39 @@ export default function SettingsPage() {
     fetchTrafficInterfaces();
   }, [activeSection, trafficJumphosts.length, fetchTrafficInterfaces]);
 
-  const trafficAllInterfaceNames = useMemo(() => {
-    const set = new Set();
+  const getJumphostKey = useCallback((jh) => String(jh?.serverId || jh?.host || jh?.name || ''), []);
+
+  const trafficAllPairs = useMemo(() => {
+    const out = [];
     for (const jh of trafficJumphosts) {
-      for (const i of jh.interfaces || []) set.add(i.name);
+      const sk = getJumphostKey(jh);
+      for (const i of jh.interfaces || []) {
+        if (i?.name) out.push({ serverKey: sk, interfaceName: i.name });
+      }
     }
-    return Array.from(set).sort((a, b) => a.localeCompare(b));
-  }, [trafficJumphosts]);
+    return out;
+  }, [trafficJumphosts, getJumphostKey]);
+
+  const isTrafficInterfaceSelected = useCallback(
+    (serverKey, interfaceName) =>
+      trafficInterfacesSelected.some(
+        (p) => p.serverKey === serverKey && p.interfaceName === interfaceName
+      ),
+    [trafficInterfacesSelected]
+  );
+
+  const setTrafficInterfaceChecked = useCallback(
+    (serverKey, interfaceName, checked) => {
+      setTrafficInterfacesSelected((prev) => {
+        const next = prev.filter(
+          (p) => !(p.serverKey === serverKey && p.interfaceName === interfaceName)
+        );
+        if (checked) next.push({ serverKey, interfaceName });
+        return next;
+      });
+    },
+    []
+  );
 
   const goToSection = (id) => {
     setActiveSection(id);
@@ -196,10 +222,20 @@ export default function SettingsPage() {
             ? String(data.pingServicesCacheSeconds)
             : ''
         );
-        const rawNames = data?.trafficInterfaceNames;
-        setTrafficInterfaceNamesSelected(
-          Array.isArray(rawNames)
-            ? rawNames.filter((n) => n != null).map(String)
+        const raw = data?.trafficInterfaces;
+        setTrafficInterfacesSelected(
+          Array.isArray(raw)
+            ? raw
+                .filter(
+                  (p) =>
+                    p &&
+                    (p.serverKey != null || p.serverId != null) &&
+                    (p.interfaceName != null || p.name != null)
+                )
+                .map((p) => ({
+                  serverKey: String(p.serverKey ?? p.serverId ?? ''),
+                  interfaceName: String(p.interfaceName ?? p.name ?? ''),
+                }))
             : []
         );
         const e =
@@ -274,8 +310,11 @@ export default function SettingsPage() {
           0,
           parseInt(pingServicesCacheSeconds, 10) || 0
         ),
-        trafficInterfaceNames: Array.isArray(trafficInterfaceNamesSelected)
-          ? trafficInterfaceNamesSelected.filter(Boolean)
+        trafficInterfaces: Array.isArray(trafficInterfacesSelected)
+          ? trafficInterfacesSelected.map((p) => ({
+              serverKey: p.serverKey,
+              interfaceName: p.interfaceName,
+            }))
           : [],
       };
       const payload = { settings: mergedSettings, etag };
@@ -611,15 +650,15 @@ export default function SettingsPage() {
                       <button
                         type="button"
                         className="btn btn-sm btn-outline-secondary"
-                        onClick={() => setTrafficInterfaceNamesSelected([...trafficAllInterfaceNames])}
-                        disabled={saving || trafficInterfacesLoading || trafficAllInterfaceNames.length === 0}
+                        onClick={() => setTrafficInterfacesSelected([...trafficAllPairs])}
+                        disabled={saving || trafficInterfacesLoading || trafficAllPairs.length === 0}
                       >
                         Выбрать все
                       </button>
                       <button
                         type="button"
                         className="btn btn-sm btn-outline-secondary"
-                        onClick={() => setTrafficInterfaceNamesSelected([])}
+                        onClick={() => setTrafficInterfacesSelected([])}
                         disabled={saving}
                       >
                         Снять все
@@ -671,28 +710,30 @@ export default function SettingsPage() {
                                   </div>
                                 )}
                               </div>
-                              {!jh.error && (jh.interfaces?.length ?? 0) > 0 && (
-                                <button
-                                  type="button"
-                                  className="btn btn-sm btn-ghost-secondary"
-                                  onClick={() => {
-                                    const names = (jh.interfaces || []).map((i) => i.name);
-                                    setTrafficInterfaceNamesSelected((prev) => {
-                                      const next = new Set(prev);
-                                      const allChecked = names.every((n) => next.has(n));
-                                      if (allChecked) names.forEach((n) => next.delete(n));
-                                      else names.forEach((n) => next.add(n));
-                                      return Array.from(next).sort((a, b) => a.localeCompare(b));
-                                    });
-                                  }}
-                                  disabled={saving}
-                                  title="Выбрать / снять все на этом сервере"
-                                >
-                                  {(jh.interfaces || []).every((i) => trafficInterfaceNamesSelected.includes(i.name))
-                                    ? 'Снять все'
-                                    : 'Выбрать все'}
-                                </button>
-                              )}
+                              {!jh.error && (jh.interfaces?.length ?? 0) > 0 && (() => {
+                                const sk = getJumphostKey(jh);
+                                const pairs = (jh.interfaces || []).map((i) => ({ serverKey: sk, interfaceName: i.name }));
+                                const allChecked = pairs.every((p) => isTrafficInterfaceSelected(p.serverKey, p.interfaceName));
+                                return (
+                                  <button
+                                    type="button"
+                                    className="btn btn-sm btn-ghost-secondary"
+                                    onClick={() => {
+                                      setTrafficInterfacesSelected((prev) => {
+                                        const next = prev.filter(
+                                          (x) => !pairs.some((p) => p.serverKey === x.serverKey && p.interfaceName === x.interfaceName)
+                                        );
+                                        if (!allChecked) next.push(...pairs);
+                                        return next;
+                                      });
+                                    }}
+                                    disabled={saving}
+                                    title="Выбрать / снять все на этом сервере"
+                                  >
+                                    {allChecked ? 'Снять все' : 'Выбрать все'}
+                                  </button>
+                                );
+                              })()}
                             </div>
                             <div className="card-body">
                               {jh.error && (
@@ -705,27 +746,25 @@ export default function SettingsPage() {
                               )}
                               {!jh.error && (jh.interfaces?.length ?? 0) > 0 && (
                                 <div className="row g-2">
-                                  {jh.interfaces.map((iface) => (
-                                    <div key={iface.name} className="col-12 col-sm-6">
-                                      <label className="form-check">
-                                        <input
-                                          className="form-check-input"
-                                          type="checkbox"
-                                          checked={trafficInterfaceNamesSelected.includes(iface.name)}
-                                          onChange={(e) => {
-                                            if (e.target.checked) {
-                                              setTrafficInterfaceNamesSelected((prev) => [...prev, iface.name].sort((a, b) => a.localeCompare(b)));
-                                            } else {
-                                              setTrafficInterfaceNamesSelected((prev) => prev.filter((n) => n !== iface.name));
-                                            }
-                                          }}
-                                          disabled={saving}
-                                          aria-label={`Интерфейс ${iface.name}`}
-                                        />
-                                        <span className="form-check-label font-monospace">{iface.name}</span>
-                                      </label>
-                                    </div>
-                                  ))}
+                                  {jh.interfaces.map((iface) => {
+                                    const sk = getJumphostKey(jh);
+                                    const checked = isTrafficInterfaceSelected(sk, iface.name);
+                                    return (
+                                      <div key={iface.name} className="col-12 col-sm-6">
+                                        <label className="form-check">
+                                          <input
+                                            className="form-check-input"
+                                            type="checkbox"
+                                            checked={checked}
+                                            onChange={(e) => setTrafficInterfaceChecked(sk, iface.name, e.target.checked)}
+                                            disabled={saving}
+                                            aria-label={`Интерфейс ${iface.name}`}
+                                          />
+                                          <span className="form-check-label font-monospace">{iface.name}</span>
+                                        </label>
+                                      </div>
+                                    );
+                                  })}
                                 </div>
                               )}
                             </div>
diff --git a/frontend/src/TrafficDashboard.jsx b/frontend/src/TrafficDashboard.jsx
index c9e770a..d33dd23 100644
--- a/frontend/src/TrafficDashboard.jsx
+++ b/frontend/src/TrafficDashboard.jsx
@@ -158,13 +158,19 @@ function JumphostCard({ jumphost }) {
   );
 }
 
-/** Нормализовать список имён интерфейсов из настроек (массив, пустой = все) */
+/** Ключ jumphost для сопоставления с настройками (как в SettingsPage) */
+function getJumphostKey(jh) {
+  return String(jh?.serverId ?? jh?.host ?? jh?.name ?? '');
+}
+
+/** Множество выбранных пар (serverKey + interfaceName). Пустое = учитывать все интерфейсы. */
 function getTrafficInterfaceFilter(settings) {
-  const raw = settings?.trafficInterfaceNames;
-  if (!raw) return null;
-  const arr = Array.isArray(raw) ? raw : (typeof raw === 'string' ? raw.split(/[\n,]+/).map((s) => s.trim()) : []);
-  const names = arr.filter(Boolean);
-  return names.length > 0 ? new Set(names) : null;
+  const raw = settings?.trafficInterfaces;
+  if (!raw || !Array.isArray(raw)) return null;
+  const pairs = raw
+    .filter((p) => p && (p.serverKey != null || p.serverId != null) && (p.interfaceName != null || p.name != null))
+    .map((p) => `${String(p.serverKey ?? p.serverId ?? '')}\n${String(p.interfaceName ?? p.name ?? '')}`);
+  return pairs.length > 0 ? new Set(pairs) : null;
 }
 
 export default function TrafficDashboard() {
@@ -201,12 +207,19 @@ export default function TrafficDashboard() {
 
   const filteredJumphosts = useMemo(() => {
     if (!interfaceFilter) return jumphosts;
-    return jumphosts.map((jh) => ({
-      ...jh,
-      interfaces: Array.isArray(jh.interfaces)
-        ? jh.interfaces.filter((i) => i.name != null && interfaceFilter.has(String(i.name).trim()))
-        : [],
-    }));
+    return jumphosts.map((jh) => {
+      const sk = getJumphostKey(jh);
+      return {
+        ...jh,
+        interfaces: Array.isArray(jh.interfaces)
+          ? jh.interfaces.filter(
+              (i) =>
+                i.name != null &&
+                interfaceFilter.has(`${sk}\n${String(i.name).trim()}`)
+            )
+          : [],
+      };
+    });
   }, [jumphosts, interfaceFilter]);
 
   // Суммарная статистика по всем отображаемым системам (без ошибок, с данными)