diff --git a/src/pathcomp/frontend/service/algorithms/tools/EroPathToHops.py b/src/pathcomp/frontend/service/algorithms/tools/EroPathToHops.py
index eb9e862753d3834f7dd7b7c6529d7d9ae5e38f1f..c3e1a0d5738bc2fe4706c336b587ece97746da85 100644
--- a/src/pathcomp/frontend/service/algorithms/tools/EroPathToHops.py
+++ b/src/pathcomp/frontend/service/algorithms/tools/EroPathToHops.py
@@ -116,12 +116,10 @@ def eropath_to_hops(
             if link_tuple is None: raise Exception('Malformed path')
 
             ingress = next(iter([
-                ep_id for ep_id in link_tuple[0]['link_endpoint_ids']
-                if (ep_id['endpoint_id']['device_id'] == device_uuid) and\
-                    (ep_id['endpoint_id']['endpoint_uuid'] != endpoint_uuid)
+                ep_id
+                for ep_id in link_tuple[0]['link_endpoint_ids']
+                if ep_id['endpoint_id']['device_id'] != device_uuid
             ]), None)
-            if ingress['endpoint_id']['device_id'] != device_uuid:
-                raise Exception('Malformed path')
 
             ingress_ep = ingress['endpoint_id']['endpoint_uuid']
             ingress_ep = MAP_TAPI_UUIDS.get(ingress_ep, ingress_ep)
diff --git a/src/pathcomp/frontend/tests/test_ero_path.py b/src/pathcomp/frontend/tests/test_ero_path.py
new file mode 100644
index 0000000000000000000000000000000000000000..82fca7570007aacd4317525c7e4058d8880f15f1
--- /dev/null
+++ b/src/pathcomp/frontend/tests/test_ero_path.py
@@ -0,0 +1,184 @@
+import logging
+from typing import Any, Dict, List, Tuple
+#from common.proto.context_pb2 import Link
+
+logging.basicConfig(level=logging.DEBUG)
+LOGGER = logging.getLogger(__name__)
+
+ERO_PATH = [
+  {'device_id': 'DC1-GW', 'endpoint_uuid': 'int'},
+  {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth1'},
+  {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/2'},
+  {'device_id': 'TN-R2', 'endpoint_uuid': '2/1'},
+  {'device_id': 'TN-OLS', 'endpoint_uuid': '77486d5b0a15'},
+  {'device_id': 'TN-R4', 'endpoint_uuid': '1/2'},
+  {'device_id': 'CS2-GW1', 'endpoint_uuid': '10/1'},
+  {'device_id': 'DC2-GW', 'endpoint_uuid': 'int'}
+]
+
+ENDPOINT_TO_LINK_DICT = {
+  ('CS1-GW1', '1/1'         , 'dst'): ({'link_Id': 'TN-R1/1/1==CS1-GW1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS1-GW1', '1/1'         , 'src'): ({'link_Id': 'CS1-GW1/1/1==TN-R1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS1-GW1', '1/2'         , 'dst'): ({'link_Id': 'TN-R2/1/2==CS1-GW1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS1-GW1', '1/2'         , 'src'): ({'link_Id': 'CS1-GW1/1/2==TN-R2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS1-GW1', '10/1'        , 'dst'): ({'link_Id': 'DC1-GW/eth1==CS1-GW1/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth1'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '10/1'}}]}, None),
+  ('CS1-GW1', '10/1'        , 'src'): ({'link_Id': 'CS1-GW1/10/1==DC1-GW/eth1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth1'}}]}, None),
+  ('CS1-GW2', '1/1'         , 'dst'): ({'link_Id': 'TN-R2/1/1==CS1-GW2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS1-GW2', '1/1'         , 'src'): ({'link_Id': 'CS1-GW2/1/1==TN-R2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS1-GW2', '1/2'         , 'dst'): ({'link_Id': 'TN-R1/1/2==CS1-GW2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS1-GW2', '1/2'         , 'src'): ({'link_Id': 'CS1-GW2/1/2==TN-R1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS1-GW2', '10/1'        , 'dst'): ({'link_Id': 'DC1-GW/eth2==CS1-GW2/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth2'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '10/1'}}]}, None),
+  ('CS1-GW2', '10/1'        , 'src'): ({'link_Id': 'CS1-GW2/10/1==DC1-GW/eth2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth2'}}]}, None),
+  ('CS2-GW1', '1/1'         , 'dst'): ({'link_Id': 'TN-R3/1/1==CS2-GW1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS2-GW1', '1/1'         , 'src'): ({'link_Id': 'CS2-GW1/1/1==TN-R3/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS2-GW1', '1/2'         , 'dst'): ({'link_Id': 'TN-R4/1/2==CS2-GW1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS2-GW1', '1/2'         , 'src'): ({'link_Id': 'CS2-GW1/1/2==TN-R4/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS2-GW1', '10/1'        , 'dst'): ({'link_Id': 'DC2-GW/eth1==CS2-GW1/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth1'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '10/1'}}]}, None),
+  ('CS2-GW1', '10/1'        , 'src'): ({'link_Id': 'CS2-GW1/10/1==DC2-GW/eth1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth1'}}]}, None),
+  ('CS2-GW2', '1/1'         , 'dst'): ({'link_Id': 'TN-R4/1/1==CS2-GW2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS2-GW2', '1/1'         , 'src'): ({'link_Id': 'CS2-GW2/1/1==TN-R4/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/1'}}]}, None),
+  ('CS2-GW2', '1/2'         , 'dst'): ({'link_Id': 'TN-R3/1/2==CS2-GW2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS2-GW2', '1/2'         , 'src'): ({'link_Id': 'CS2-GW2/1/2==TN-R3/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/2'}}]}, None),
+  ('CS2-GW2', '10/1'        , 'dst'): ({'link_Id': 'DC2-GW/eth2==CS2-GW2/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth2'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '10/1'}}]}, None),
+  ('CS2-GW2', '10/1'        , 'src'): ({'link_Id': 'CS2-GW2/10/1==DC2-GW/eth2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth2'}}]}, None),
+  ('DC1-GW' , 'eth1'        , 'dst'): ({'link_Id': 'CS1-GW1/10/1==DC1-GW/eth1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth1'}}]}, None),
+  ('DC1-GW' , 'eth1'        , 'src'): ({'link_Id': 'DC1-GW/eth1==CS1-GW1/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth1'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '10/1'}}]}, None),
+  ('DC1-GW' , 'eth2'        , 'dst'): ({'link_Id': 'CS1-GW2/10/1==DC1-GW/eth2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth2'}}]}, None),
+  ('DC1-GW' , 'eth2'        , 'src'): ({'link_Id': 'DC1-GW/eth2==CS1-GW2/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC1-GW', 'endpoint_uuid': 'eth2'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '10/1'}}]}, None),
+  ('DC2-GW' , 'eth1'        , 'dst'): ({'link_Id': 'CS2-GW1/10/1==DC2-GW/eth1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth1'}}]}, None),
+  ('DC2-GW' , 'eth1'        , 'src'): ({'link_Id': 'DC2-GW/eth1==CS2-GW1/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth1'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '10/1'}}]}, None),
+  ('DC2-GW' , 'eth2'        , 'dst'): ({'link_Id': 'CS2-GW2/10/1==DC2-GW/eth2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '10/1'}}, {'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth2'}}]}, None),
+  ('DC2-GW' , 'eth2'        , 'src'): ({'link_Id': 'DC2-GW/eth2==CS2-GW2/10/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'DC2-GW', 'endpoint_uuid': 'eth2'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '10/1'}}]}, None),
+  ('TN-OLS' , '3c5ace9aaf9f', 'dst'): ({'link_Id': 'TN-R1/2/1==TN-OLS/3c5ace9aaf9f', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c5ace9aaf9f'}}]}, None),
+  ('TN-OLS' , '3c5ace9aaf9f', 'src'): ({'link_Id': 'TN-OLS/3c5ace9aaf9f==TN-R1/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c5ace9aaf9f'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-OLS' , '3c9fd5178cd5', 'dst'): ({'link_Id': 'TN-R2/2/1==TN-OLS/3c9fd5178cd5', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c9fd5178cd5'}}]}, None),
+  ('TN-OLS' , '3c9fd5178cd5', 'src'): ({'link_Id': 'TN-OLS/3c9fd5178cd5==TN-R2/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c9fd5178cd5'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-OLS' , '77486d5b0a15', 'dst'): ({'link_Id': 'TN-R4/2/1==TN-OLS/77486d5b0a15', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '77486d5b0a15'}}]}, None),
+  ('TN-OLS' , '77486d5b0a15', 'src'): ({'link_Id': 'TN-OLS/77486d5b0a15==TN-R4/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '77486d5b0a15'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-OLS' , 'e4072030a6d6', 'dst'): ({'link_Id': 'TN-R3/2/1==TN-OLS/e4072030a6d6', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': 'e4072030a6d6'}}]}, None),
+  ('TN-OLS' , 'e4072030a6d6', 'src'): ({'link_Id': 'TN-OLS/e4072030a6d6==TN-R3/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': 'e4072030a6d6'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-R1'  , '1/1'         , 'dst'): ({'link_Id': 'CS1-GW1/1/1==TN-R1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R1'  , '1/1'         , 'src'): ({'link_Id': 'TN-R1/1/1==CS1-GW1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R1'  , '1/2'         , 'dst'): ({'link_Id': 'CS1-GW2/1/2==TN-R1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R1'  , '1/2'         , 'src'): ({'link_Id': 'TN-R1/1/2==CS1-GW2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R1'  , '2/1'         , 'dst'): ({'link_Id': 'TN-OLS/3c5ace9aaf9f==TN-R1/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c5ace9aaf9f'}}, {'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-R1'  , '2/1'         , 'src'): ({'link_Id': 'TN-R1/2/1==TN-OLS/3c5ace9aaf9f', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R1', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c5ace9aaf9f'}}]}, None),
+  ('TN-R2'  , '1/1'         , 'dst'): ({'link_Id': 'CS1-GW2/1/1==TN-R2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R2'  , '1/1'         , 'src'): ({'link_Id': 'TN-R2/1/1==CS1-GW2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS1-GW2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R2'  , '1/2'         , 'dst'): ({'link_Id': 'CS1-GW1/1/2==TN-R2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R2'  , '1/2'         , 'src'): ({'link_Id': 'TN-R2/1/2==CS1-GW1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS1-GW1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R2'  , '2/1'         , 'dst'): ({'link_Id': 'TN-OLS/3c9fd5178cd5==TN-R2/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c9fd5178cd5'}}, {'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-R2'  , '2/1'         , 'src'): ({'link_Id': 'TN-R2/2/1==TN-OLS/3c9fd5178cd5', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R2', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '3c9fd5178cd5'}}]}, None),
+  ('TN-R3'  , '1/1'         , 'dst'): ({'link_Id': 'CS2-GW1/1/1==TN-R3/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R3'  , '1/1'         , 'src'): ({'link_Id': 'TN-R3/1/1==CS2-GW1/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R3'  , '1/2'         , 'dst'): ({'link_Id': 'CS2-GW2/1/2==TN-R3/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R3'  , '1/2'         , 'src'): ({'link_Id': 'TN-R3/1/2==CS2-GW2/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R3'  , '2/1'         , 'dst'): ({'link_Id': 'TN-OLS/e4072030a6d6==TN-R3/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': 'e4072030a6d6'}}, {'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-R3'  , '2/1'         , 'src'): ({'link_Id': 'TN-R3/2/1==TN-OLS/e4072030a6d6', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R3', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': 'e4072030a6d6'}}]}, None),
+  ('TN-R4'  , '1/1'         , 'dst'): ({'link_Id': 'CS2-GW2/1/1==TN-R4/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R4'  , '1/1'         , 'src'): ({'link_Id': 'TN-R4/1/1==CS2-GW2/1/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/1'}}, {'endpoint_id': {'device_id': 'CS2-GW2', 'endpoint_uuid': '1/1'}}]}, None),
+  ('TN-R4'  , '1/2'         , 'dst'): ({'link_Id': 'CS2-GW1/1/2==TN-R4/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R4'  , '1/2'         , 'src'): ({'link_Id': 'TN-R4/1/2==CS2-GW1/1/2', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '1/2'}}, {'endpoint_id': {'device_id': 'CS2-GW1', 'endpoint_uuid': '1/2'}}]}, None),
+  ('TN-R4'  , '2/1'         , 'dst'): ({'link_Id': 'TN-OLS/77486d5b0a15==TN-R4/2/1', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '77486d5b0a15'}}, {'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '2/1'}}]}, None),
+  ('TN-R4'  , '2/1'         , 'src'): ({'link_Id': 'TN-R4/2/1==TN-OLS/77486d5b0a15', 'link_endpoint_ids': [{'endpoint_id': {'device_id': 'TN-R4', 'endpoint_uuid': '2/1'}}, {'endpoint_id': {'device_id': 'TN-OLS', 'endpoint_uuid': '77486d5b0a15'}}]}, None),
+}
+
+MAP_TAPI_UUIDS = {
+    "c3dbaa44-9cda-5d54-8f99-0f282362be65": "5b835e46-53f7-52e8-9c8a-077322679e36", # node-1-port-13-input => node-1-port-13-output
+    "1fb9ac86-b7ad-5d6d-87b1-a09d995f1ddd": "c9df6ece-1650-5078-876a-1e488a453625", # node-1-port-14-input => node-1-port-14-output
+    "aa109937-8291-5a09-853a-97bff463e569": "b245480f-027c-53a0-9320-fca5b9d7a1e1", # node-1-port-15-input => node-1-port-15-output
+    "6653ae16-42a3-56b5-adf3-71adda024a61": "ac356900-ce2f-5c15-b038-1b05e6f50bf7", # node-1-port-17-input => node-1-port-17-output
+    "d782ef85-a473-50b4-93b5-2af86024a42a": "dcfeedd3-2d47-5bc8-b31c-ed9f973d8b76", # node-2-port-13-input => node-2-port-13-output
+    "bbbd83ef-6053-55dc-ab08-06fb0c2bd081": "57bcf45b-eb47-5a9c-86d1-d9cff0c910fd", # node-2-port-14-input => node-2-port-14-output
+    "27cdf70d-4e48-53ff-bc4f-20addf6524c0": "fd31eff5-392e-5fb5-a6f4-6dfca583344d", # node-2-port-15-input => node-2-port-15-output
+    "55ac2364-fad8-5a05-ac2b-5003997ff89e": "d12a2591-7f4a-575d-8fda-0bc3d6b7ca32", # node-2-port-17-input => node-2-port-17-output
+    "59f44a3c-32a5-5abf-af58-45e6fa7ca657": "1977ef5c-4383-5195-9221-0cdf8ee26cb7", # node-3-port-13-input => node-3-port-13-output
+    "1be3f905-d553-5291-9906-47c0772d45aa": "9def067b-9a75-54df-8867-853f35a42e87", # node-3-port-14-input => node-3-port-14-output
+    "fb4ece7a-2dd1-593a-b6ca-a787b3b59fc5": "1f294257-132a-54ad-b653-ef8b7517c9d8", # node-3-port-15-input => node-3-port-15-output
+    "a571d2fe-c7f8-5ac8-b2af-8e5b92a558b0": "5b60a688-deac-567a-8e36-0d52e56fd4fc", # node-3-port-16-input => node-3-port-16-output
+    "9ea9dc53-2d6a-5f28-b81a-e930f7cbedf9": "2aec14c1-3a84-5cba-8f22-783bd0273cd0", # node-3-port-17-input => node-3-port-17-output
+    "9ec8e0f3-3378-55e0-bed1-be1fe120a1a9": "ece2ed55-ce16-59d3-8137-3f4cf17e67ab", # node-3-port-18-input => node-3-port-18-output
+    "a7e114aa-a3b6-52ae-b7b7-0e5fe4dd4d1c": "0a05e43d-a13c-5276-9839-613600f3ff28", # node-4-port-13-input => node-4-port-13-output
+    "4ca8357a-3468-51e6-bba8-65137486666f": "18926fdf-de5c-5a52-be88-cccc065e5e03", # node-4-port-14-input => node-4-port-14-output
+    "a7e9f06f-6fd2-594e-8a0c-25bfe8c652d7": "1adb9e17-e499-58dc-8aa2-881ed5ce9670", # node-4-port-15-input => node-4-port-15-output
+    "9f6a23b2-c71c-5559-8fb3-f76421bea1d9": "049bb1f1-cc04-5b72-8c0f-43891d9637bf", # node-4-port-16-input => node-4-port-16-output
+    "f1d74c96-41f5-5eb9-a160-a38463184934": "2206440b-ef66-5d3e-8da5-40608fb00a10", # node-4-port-17-input => node-4-port-17-output
+
+    "5b835e46-53f7-52e8-9c8a-077322679e36": "c3dbaa44-9cda-5d54-8f99-0f282362be65", # node-1-port-13-output => node-1-port-13-input
+    "c9df6ece-1650-5078-876a-1e488a453625": "1fb9ac86-b7ad-5d6d-87b1-a09d995f1ddd", # node-1-port-14-output => node-1-port-14-input
+    "b245480f-027c-53a0-9320-fca5b9d7a1e1": "aa109937-8291-5a09-853a-97bff463e569", # node-1-port-15-output => node-1-port-15-input
+    "ac356900-ce2f-5c15-b038-1b05e6f50bf7": "6653ae16-42a3-56b5-adf3-71adda024a61", # node-1-port-17-output => node-1-port-17-input
+    "dcfeedd3-2d47-5bc8-b31c-ed9f973d8b76": "d782ef85-a473-50b4-93b5-2af86024a42a", # node-2-port-13-output => node-2-port-13-input
+    "57bcf45b-eb47-5a9c-86d1-d9cff0c910fd": "bbbd83ef-6053-55dc-ab08-06fb0c2bd081", # node-2-port-14-output => node-2-port-14-input
+    "fd31eff5-392e-5fb5-a6f4-6dfca583344d": "27cdf70d-4e48-53ff-bc4f-20addf6524c0", # node-2-port-15-output => node-2-port-15-input
+    "d12a2591-7f4a-575d-8fda-0bc3d6b7ca32": "55ac2364-fad8-5a05-ac2b-5003997ff89e", # node-2-port-17-output => node-2-port-17-input
+    "1977ef5c-4383-5195-9221-0cdf8ee26cb7": "59f44a3c-32a5-5abf-af58-45e6fa7ca657", # node-3-port-13-output => node-3-port-13-input
+    "9def067b-9a75-54df-8867-853f35a42e87": "1be3f905-d553-5291-9906-47c0772d45aa", # node-3-port-14-output => node-3-port-14-input
+    "1f294257-132a-54ad-b653-ef8b7517c9d8": "fb4ece7a-2dd1-593a-b6ca-a787b3b59fc5", # node-3-port-15-output => node-3-port-15-input
+    "5b60a688-deac-567a-8e36-0d52e56fd4fc": "a571d2fe-c7f8-5ac8-b2af-8e5b92a558b0", # node-3-port-16-output => node-3-port-16-input
+    "2aec14c1-3a84-5cba-8f22-783bd0273cd0": "9ea9dc53-2d6a-5f28-b81a-e930f7cbedf9", # node-3-port-17-output => node-3-port-17-input
+    "ece2ed55-ce16-59d3-8137-3f4cf17e67ab": "9ec8e0f3-3378-55e0-bed1-be1fe120a1a9", # node-3-port-18-output => node-3-port-18-input
+    "0a05e43d-a13c-5276-9839-613600f3ff28": "a7e114aa-a3b6-52ae-b7b7-0e5fe4dd4d1c", # node-4-port-13-output => node-4-port-13-input
+    "18926fdf-de5c-5a52-be88-cccc065e5e03": "4ca8357a-3468-51e6-bba8-65137486666f", # node-4-port-14-output => node-4-port-14-input
+    "1adb9e17-e499-58dc-8aa2-881ed5ce9670": "a7e9f06f-6fd2-594e-8a0c-25bfe8c652d7", # node-4-port-15-output => node-4-port-15-input
+    "049bb1f1-cc04-5b72-8c0f-43891d9637bf": "9f6a23b2-c71c-5559-8fb3-f76421bea1d9", # node-4-port-16-output => node-4-port-16-input
+    "2206440b-ef66-5d3e-8da5-40608fb00a10": "f1d74c96-41f5-5eb9-a160-a38463184934", # node-4-port-17-output => node-4-port-17-input
+}
+
+def eropath_to_hops(
+    ero_path : List[Dict], endpoint_to_link_dict : Dict[Tuple[str, str, str], Tuple[Dict, Any]]
+) -> List[Dict]:
+    LOGGER.debug('ero_path = {:s}'.format(str(ero_path)))
+    try:
+        path_hops = []
+        num_ero_hops = len(ero_path)
+        for endpoint in ero_path:
+            LOGGER.info('endpoint={:s}'.format(str(endpoint)))
+
+            device_uuid = endpoint['device_id']
+            endpoint_uuid = endpoint['endpoint_uuid']
+
+            if len(path_hops) == 0:
+                LOGGER.info('  first hop')
+                path_hops.append({'device': device_uuid, 'ingress_ep': endpoint_uuid})
+                continue
+
+            LOGGER.info('  next hop')
+            last_hop = path_hops[-1]
+            LOGGER.info('  last_hop={:s}'.format(str(last_hop)))
+            if last_hop['device'] != device_uuid: raise Exception('Malformed path')
+            last_hop['egress_ep'] = endpoint_uuid
+
+            if num_ero_hops - 1 == len(path_hops): break
+
+            endpoint_key = (last_hop['device'], last_hop['egress_ep'], 'src')
+            LOGGER.info('  endpoint_key={:s}'.format(str(endpoint_key)))
+            link_tuple = endpoint_to_link_dict[endpoint_key]
+            LOGGER.info('  link_tuple={:s}'.format(str(link_tuple)))
+            if link_tuple is None: raise Exception('Malformed path')
+
+            ingress = next(iter([
+                ep_id
+                for ep_id in link_tuple[0]['link_endpoint_ids']
+                if ep_id['endpoint_id']['device_id'] != device_uuid
+            ]), None)
+            LOGGER.info('  ingress={:s}'.format(str(ingress)))
+            #if ingress['endpoint_id']['device_id'] != device_uuid:
+            #    raise Exception('Malformed path')
+
+            ingress_ep = ingress['endpoint_id']['endpoint_uuid']
+            ingress_ep = MAP_TAPI_UUIDS.get(ingress_ep, ingress_ep)
+            path_hops.append({
+                'device': ingress['endpoint_id']['device_id'],
+                'ingress_ep': ingress_ep,
+                'egress_ep': endpoint_uuid,
+            })
+        LOGGER.debug('path_hops = {:s}'.format(str(path_hops)))
+        return path_hops
+    except:
+        #LOGGER.exception('Unhandled exception: ero_path={:s} endpoint_to_link_dict={:s}'.format(
+        #    str(ero_path), str(endpoint_to_link_dict)))
+        raise
+
+res = eropath_to_hops(ERO_PATH, ENDPOINT_TO_LINK_DICT)
+LOGGER.warning('res = {:s}'.format(str(res)))