diff --git a/libraries/utils.robot b/libraries/utils.robot
index 234f5a7..5fc187f 100755
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -407,10 +407,10 @@
         # Verify Meters in ONOS
         Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Verify Meters in ONOS Ietf    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    ${onu_port}
-        ...    ${src['service'][0]['name']}
+        ...    FTTB_SUBSCRIBER_TRAFFIC
         # Verify Mac Learner Mappings
         Wait Until Keyword Succeeds    ${timeout}    5s    Validate Mac Learner Mapping in ONOS
-        ...    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    ${onu_port}    ${src['service'][2]['s_tag']}
+        ...    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    ${onu_port}    ${src['service'][0]['s_tag']}
         Run Keyword If    ${has_dataplane}    Validate DHCP and Ping    True
         ...    True    ${src['dp_iface_name']}    ${src['s_tag']}    ${src['c_tag']}    ${dst['dp_iface_ip_qinq']}
         ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
diff --git a/tests/data/bbsim-kind-dt-fttb-1OLTx1PONx2ONUx2UNI.yaml b/tests/data/bbsim-kind-dt-fttb-1OLTx1PONx2ONUx2UNI.yaml
index 0f7d502..1dc635f 100644
--- a/tests/data/bbsim-kind-dt-fttb-1OLTx1PONx2ONUx2UNI.yaml
+++ b/tests/data/bbsim-kind-dt-fttb-1OLTx1PONx2ONUx2UNI.yaml
@@ -38,8 +38,13 @@
     -
       onu: 'BBSM000a0001'
       olt: 'BBSIM_OLT_10'
+      # maintain the below service order for all the entries
       service:
         -
+          name: DPU_MGMT_TRAFFIC
+          c_tag: '6'
+          s_tag: '60'
+        -
           name: FTTB_SUBSCRIBER_TRAFFIC
           c_tag: '101'
           s_tag: '3101'
@@ -47,16 +52,16 @@
           name: DPU_ANCP_TRAFFIC
           c_tag: '4'
           s_tag: '40'
-        -
-          name: DPU_MGMT_TRAFFIC
-          c_tag: '6'
-          s_tag: '60'
       uni_id: '1'
     -
       onu: 'BBSM000a0001'
       olt: 'BBSIM_OLT_10'
       service:
         -
+          name: DPU_MGMT_TRAFFIC
+          c_tag: '6'
+          s_tag: '60'
+        -
           name: FTTB_SUBSCRIBER_TRAFFIC
           c_tag: '102'
           s_tag: '3102'
@@ -64,16 +69,16 @@
           name: DPU_ANCP_TRAFFIC
           c_tag: '4'
           s_tag: '40'
-        -
-          name: DPU_MGMT_TRAFFIC
-          c_tag: '6'
-          s_tag: '60'
       uni_id: '2'
     -
       onu: 'BBSM000a0002'
       olt: 'BBSIM_OLT_10'
       service:
         -
+          name: DPU_MGMT_TRAFFIC
+          c_tag: '6'
+          s_tag: '60'
+        -
           name: FTTB_SUBSCRIBER_TRAFFIC
           c_tag: '105'
           s_tag: '3105'
@@ -81,10 +86,6 @@
           name: DPU_ANCP_TRAFFIC
           c_tag: '4'
           s_tag: '40'
-        -
-          name: DPU_MGMT_TRAFFIC
-          c_tag: '6'
-          s_tag: '60'
       uni_id: '1'
 
   dst: