diff --git a/netx_api/topology_discover_common.py b/netx_api/topology_discover_common.py
index 02cf107..b6110cc 100644
--- a/netx_api/topology_discover_common.py
+++ b/netx_api/topology_discover_common.py
@@ -137,7 +137,12 @@ def _resolve_scan_targets(
     default_profile = get_default_profile(db)
     targets: list[dict[str, str]] = []
     if scope == "all_inventory":
+        # Managed inventory first; then UME NEs not already covered by the same management IP.
+        managed_ips: set[str] = set()
         for ne in db.query(ManagedNE).all():
+            ip = str(ne.ip_address or "").strip()
+            if ip:
+                managed_ips.add(ip)
             targets.append(
                 {
                     "ne_id": ne.id,
@@ -148,6 +153,16 @@ def _resolve_scan_targets(
                     "device_type": ne.device_type or "",
                 }
             )
+        for ume in db.query(UmeInventoryNE).all():
+            uid = str(ume.ne_id or "").strip()
+            if not uid:
+                continue
+            ip = str(ume.ip_address or "").strip()
+            if ip and ip in managed_ips:
+                continue
+            row = _ume_target_dict(db, uid, default_profile)
+            if row is not None:
+                targets.append(row)
         return targets
 
     managed_ids = [str(x).strip() for x in (body.managed_ne_ids or []) if str(x).strip()]
diff --git a/netx_api/topology_schemas.py b/netx_api/topology_schemas.py
index 3dbcb6a..835eb3c 100644
--- a/netx_api/topology_schemas.py
+++ b/netx_api/topology_schemas.py
@@ -74,7 +74,7 @@ class FabricNeighborhoodOut(BaseModel):
 class FabricDiscoverRequest(BaseModel):
     """Start LLDP discovery into fabric (no CDP)."""
 
-    scope: str = Field(default="ne_ids", description="all_inventory | ne_ids")
+    scope: str = Field(default="ne_ids", description="all_inventory (managed+UME) | ne_ids")
     ne_ids: list[str] = Field(
         default_factory=list,
         description="Legacy mixed ids (managed first, then ume). Prefer managed_ne_ids/ume_ne_ids.",
diff --git a/tests/test_lldp_collect.py b/tests/test_lldp_collect.py
index 8f33631..ee2f780 100644
--- a/tests/test_lldp_collect.py
+++ b/tests/test_lldp_collect.py
@@ -242,6 +242,51 @@ class LldpCollectTests(unittest.TestCase):
         self.assertEqual(job.status, "failed")
         self.assertIn("running_stale_timeout", job.error or "")
 
+    def test_all_inventory_includes_ume(self) -> None:
+        from netx_api.models import UmeInventoryNE
+        from netx_api.topology_discover_common import _resolve_scan_targets
+        from netx_api.topology_schemas import FabricDiscoverRequest
+
+        suffix = uuid4().hex[:8]
+        managed = ManagedNE(
+            id=f"m-{suffix}",
+            name=f"M-{suffix}",
+            vendor="Cisco",
+            device_type="cisco_ios",
+            ip_address="10.20.30.1",
+        )
+        ume_only = UmeInventoryNE(
+            ne_id=f"u-{suffix}",
+            ne_name=f"U-{suffix}",
+            ip_address="10.20.30.2",
+            vendor="ZTE",
+            ne_type="ZXCTN",
+        )
+        # Same IP as managed — should be skipped to avoid double SSH.
+        ume_dup = UmeInventoryNE(
+            ne_id=f"udup-{suffix}",
+            ne_name=f"UDup-{suffix}",
+            ip_address="10.20.30.1",
+            vendor="ZTE",
+            ne_type="ZXCTN",
+        )
+        self.db.add(managed)
+        self.db.add(ume_only)
+        self.db.add(ume_dup)
+        self.db.commit()
+
+        targets = _resolve_scan_targets(self.db, FabricDiscoverRequest(scope="all_inventory"))
+        ids = {(t.get("ne_id"), t.get("ume_ne_id")) for t in targets}
+        self.assertIn((managed.id, ""), ids)
+        self.assertIn((ume_only.ne_id, ume_only.ne_id), ids)
+        self.assertNotIn((ume_dup.ne_id, ume_dup.ne_id), ids)
+
+        # Cleanup shared DB rows created by this test.
+        self.db.delete(managed)
+        self.db.delete(ume_only)
+        self.db.delete(ume_dup)
+        self.db.commit()
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/web/src/i18n/en.ts b/web/src/i18n/en.ts
index 8e7c126..64b1f06 100644
--- a/web/src/i18n/en.ts
+++ b/web/src/i18n/en.ts
@@ -287,7 +287,7 @@ const en = {
     concurrency: "Concurrency",
     historyKeep: "Jobs to keep",
     scope: "Scope",
-    scopeAll: "All managed NEs",
+    scopeAll: "All NEs (managed + UME)",
     scopeSelected: "Selected NEs",
     savePolicy: "Save policy",
     selectedCount: "{{count}} selected",
diff --git a/web/src/i18n/zh.ts b/web/src/i18n/zh.ts
index c3a8593..9aafbfa 100644
--- a/web/src/i18n/zh.ts
+++ b/web/src/i18n/zh.ts
@@ -284,7 +284,7 @@ const zh = {
     concurrency: "并发",
     historyKeep: "任务保留数",
     scope: "范围",
-    scopeAll: "全部纳管网元",
+    scopeAll: "全部网元（纳管+UME）",
     scopeSelected: "指定网元",
     savePolicy: "保存策略",
     selectedCount: "已选 {{count}} 台",