diff --git a/gbproxy/GBProxy_Tests.cfg b/gbproxy/GBProxy_Tests.cfg
index e1e1eff6f..d610e407d 100644
--- a/gbproxy/GBProxy_Tests.cfg
+++ b/gbproxy/GBProxy_Tests.cfg
@@ -21,48 +21,6 @@ GBProxy_Tests.mp_nsconfig_sgsn := {
 
 }
 
-GBProxy_Tests.mp_nsconfig_pcu := {
-	{
-		handle_sns := false,
-		nsvc := {
-			{
-				provider := {
-					ip := {
-						local_ip := "127.0.0.1",
-						remote_ip := "127.0.0.1"
-					}
-				}
-			}
-		}
-	},
-	{
-		handle_sns := false,
-		nsvc := {
-			{
-				provider := {
-					ip := {
-						local_ip := "127.0.0.1",
-						remote_ip := "127.0.0.1"
-					}
-				}
-			}
-		}
-	},
-	{
-		handle_sns := false,
-		nsvc := {
-			{
-				provider := {
-					ip := {
-						local_ip := "127.0.0.1",
-						remote_ip := "127.0.0.1"
-					}
-				}
-			}
-		}
-	}
-}
-
 [MAIN_CONTROLLER]
 
 [EXECUTE]
diff --git a/gbproxy/GBProxy_Tests.ttcn b/gbproxy/GBProxy_Tests.ttcn
index 487a799de..9fa9c4f62 100644
--- a/gbproxy/GBProxy_Tests.ttcn
+++ b/gbproxy/GBProxy_Tests.ttcn
@@ -65,7 +65,7 @@ modulepar {
 						ip := {
 							address_family := AF_INET,
 							local_udp_port := 7777,
-							local_ip := "127.0.0.1",
+							local_ip := "127.0.0.10",
 							remote_udp_port := 23000,
 							remote_ip := "127.0.0.1"
 						}
@@ -83,7 +83,7 @@ modulepar {
 						ip := {
 							address_family := AF_INET,
 							local_udp_port := 8888,
-							local_ip := "127.0.0.1",
+							local_ip := "127.0.0.11",
 							remote_udp_port := 23000,
 							remote_ip := "127.0.0.1"
 						}
@@ -107,7 +107,7 @@ modulepar {
 						ip := {
 							address_family := AF_INET,
 							local_udp_port := 21010,
-							local_ip := "127.0.0.1",
+							local_ip := "127.0.1.1",
 							remote_udp_port := 23000,
 							remote_ip := "127.0.0.1"
 						}
@@ -126,7 +126,7 @@ modulepar {
 						ip := {
 							address_family := AF_INET,
 							local_udp_port := 21020,
-							local_ip := "127.0.0.1",
+							local_ip := "127.0.2.1",
 							remote_udp_port := 23000,
 							remote_ip := "127.0.0.1"
 						}
@@ -145,7 +145,7 @@ modulepar {
 						ip := {
 							address_family := AF_INET,
 							local_udp_port := 21030,
-							local_ip := "127.0.0.1",
+							local_ip := "127.0.3.1",
 							remote_udp_port := 23000,
 							remote_ip := "127.0.0.1"
 						}
diff --git a/gbproxy/osmo-gbproxy.cfg b/gbproxy/osmo-gbproxy.cfg
index 5789e3a54..6f4b1e7bd 100644
--- a/gbproxy/osmo-gbproxy.cfg
+++ b/gbproxy/osmo-gbproxy.cfg
@@ -18,9 +18,9 @@ ns
   listen 127.0.0.1 23000
   accept-ipaccess
  nse 101
-  ip-sns 127.0.0.1 7777
+  ip-sns 127.0.0.10 7777
  nse 102
-  ip-sns 127.0.0.1 8888
+  ip-sns 127.0.0.11 8888
  timer tns-block 3
  timer tns-block-retries 3
  timer tns-reset 3