diff --git a/tests/data/bbsim-kind-2x2.yaml b/tests/data/bbsim-kind-2x2.yaml
index 4618002..18d1c85 100644
--- a/tests/data/bbsim-kind-2x2.yaml
+++ b/tests/data/bbsim-kind-2x2.yaml
@@ -30,24 +30,24 @@
 olts:
   -
     ip: bbsim0
-    serial: BBSIM_OLT_0
+    serial: BBSIM_OLT_10
 
 hosts:
   src:
-    - onu: 'BBSM00000001'
-      olt: 'BBSIM_OLT_0'
+    - onu: 'BBSM000a0001'
+      olt: 'BBSIM_OLT_10'
       c_tag: '900'
       s_tag: '900'
-    - onu: 'BBSM00000002'
-      olt: 'BBSIM_OLT_0'
+    - onu: 'BBSM000a0002'
+      olt: 'BBSIM_OLT_10'
       c_tag: '901'
       s_tag: '900'
-    - onu: 'BBSM00000101'
-      olt: 'BBSIM_OLT_0'
+    - onu: 'BBSM000a0101'
+      olt: 'BBSIM_OLT_10'
       c_tag: '902'
       s_tag: '900'
-    - onu: 'BBSM00000102'
-      olt: 'BBSIM_OLT_0'
+    - onu: 'BBSM000a0102'
+      olt: 'BBSIM_OLT_10'
       c_tag: '903'
       s_tag: '900'