diff --git a/src/service/service/service_handlers/l3slice_ietfslice/L3SliceIETFSliceServiceHandler.py b/src/service/service/service_handlers/l3slice_ietfslice/L3SliceIETFSliceServiceHandler.py
index b5e9bb43f91919c2e580c50c91cde244b67ca7fc..2cb6d59c3b4acad39a1de655727b4b61f84a572c 100644
--- a/src/service/service/service_handlers/l3slice_ietfslice/L3SliceIETFSliceServiceHandler.py
+++ b/src/service/service/service_handlers/l3slice_ietfslice/L3SliceIETFSliceServiceHandler.py
@@ -40,8 +40,8 @@ from .ConfigRules import (
 
 
 class Ipv4Info(TypedDict):
-    src_ip: str
-    dst_ip: str
+    src_lan: str
+    dst_lan: str
     src_port: str
     dst_port: str
     vlan: str
@@ -254,9 +254,9 @@ def extract_match_criterion_ipv4_info(
 ) -> Ipv4Info:
     for type_value in match_criterion["match-type"]:
         if type_value["type"] == "ietf-network-slice-service:source-ip-prefix":
-            src_ip = type_value["value"][0]
+            src_lan = type_value["value"][0]
         elif type_value["type"] == "ietf-network-slice-service:destination-ip-prefix":
-            dst_ip = type_value["value"][0]
+            dst_lan = type_value["value"][0]
         elif type_value["type"] == "ietf-network-slice-service:source-tcp-port":
             src_port = type_value["value"][0]
         elif type_value["type"] == "ietf-network-slice-service:destination-tcp-port":
@@ -264,8 +264,8 @@ def extract_match_criterion_ipv4_info(
         elif type_value["type"] == "ietf-network-slice-service:vlan":
             vlan = type_value["value"][0]
     return Ipv4Info(
-        src_ip=src_ip,
-        dst_ip=dst_ip,
+        src_lan=src_lan,
+        dst_lan=dst_lan,
         src_port=src_port,
         dst_port=dst_port,
         vlan=vlan,