diff --git a/src/sdx_pce/topology/temanager.py b/src/sdx_pce/topology/temanager.py
index 8709e266..bfe18f48 100644
--- a/src/sdx_pce/topology/temanager.py
+++ b/src/sdx_pce/topology/temanager.py
@@ -688,7 +688,7 @@ def generate_connection_breakdown(
         if tagged_breakdown is None:
             raise TEError(
                 f"Can't find a valid vlan breakdown solution for: {connection_request}",
-                410,
+                409,
             )
 
         if not isinstance(tagged_breakdown, VlanTaggedBreakdowns):
@@ -943,12 +943,13 @@ def _reserve_vlan_breakdown(
             # segment["ingress_vlan"] = ingress_vlan
             # segment["egress_vlan"] = egress_vlan
             # upstream_o_vlan = egress_vlan
-
+            tag_type = 0 if ingress_vlan == "untagged" else 1
             port_a = VlanTaggedPort(
-                VlanTag(value=ingress_vlan, tag_type=1), port_id=ingress_port_id
+                VlanTag(value=ingress_vlan, tag_type=tag_type), port_id=ingress_port_id
             )
+            tag_type = 0 if egress_vlan == "untagged" else 1
             port_z = VlanTaggedPort(
-                VlanTag(value=egress_vlan, tag_type=1), port_id=egress_port_id
+                VlanTag(value=egress_vlan, tag_type=tag_type), port_id=egress_port_id
             )
 
             # Names look like "AMLIGHT_vlan_201_202_Ampath_Tenet".  We
@@ -1161,6 +1162,8 @@ def _reserve_vlan(
             for vlan_tag, vlan_usage in vlan_table.items():
                 if vlan_usage is UNUSED_VLAN:
                     available_tag = vlan_tag
+        elif tag == "untagged":
+            return tag
         elif self._tag_is_vlan_range(tag):
             # expand the range.
             start, end = map(int, tag.split(":"))
@@ -1171,7 +1174,10 @@ def _reserve_vlan(
             # Check if all VLANs in the range are available.
             for vlan in vlans:
                 if vlan_table[vlan] is not UNUSED_VLAN:
-                    raise Exception(f"VLAN {vlan} is in use; can't reserve {tag} range")
+                    raise TEError(
+                        f"VLAN {vlan} is in use; can't reserve {tag}",
+                        409,
+                    )
 
             # Mark range in use.
             for vlan in vlans:
@@ -1191,7 +1197,10 @@ def _reserve_vlan(
                     available_tag = tag
                 else:
                     self._logger.error(f"VLAN {tag} is in use by {vlan_table[tag]}")
-                    return None
+                    raise TEError(
+                        f"VLAN {vlan} is in use; can't reserve {tag}",
+                        409,
+                    )
             else:
                 self._logger.error(f"VLAN {tag} is not present in the table")
                 return None
diff --git a/tests/test_te_manager.py b/tests/test_te_manager.py
index b03e6b41..a6f31d87 100644
--- a/tests/test_te_manager.py
+++ b/tests/test_te_manager.py
@@ -1415,7 +1415,7 @@ def test_connection_amlight_to_zaoxi_user_port_any(self):
         )
 
         # Rewrite the request to have VLAN of "any".
-        connection_request["endpoints"][0]["vlan"] = "any"
+        connection_request["endpoints"][0]["vlan"] = "untagged"
         connection_request["endpoints"][1]["vlan"] = "any"
 
         print(f"connection_request: {connection_request}")
@@ -1459,7 +1459,7 @@ def test_connection_amlight_to_zaoxi_user_port_any(self):
             self.assertIsInstance(segment.get("dynamic_backup_path"), bool)
             self.assertIsInstance(segment.get("uni_a"), dict)
             self.assertIsInstance(segment.get("uni_a").get("tag"), dict)
-            self.assertIsInstance(segment.get("uni_a").get("tag").get("value"), int)
+            # self.assertIsInstance(segment.get("uni_a").get("tag").get("value"), int)
             self.assertIsInstance(segment.get("uni_a").get("tag").get("tag_type"), int)
             self.assertIsInstance(segment.get("uni_a").get("port_id"), str)
             self.assertIsInstance(segment.get("uni_z"), dict)