diff --git a/libraries/utils.robot b/libraries/utils.robot
index f30a5f5..04282b6 100755
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -324,10 +324,10 @@
         Continue For Loop If    "${olt_serial_number}"!="${src['olt']}"
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         # Check ONU port is Enabled in ONOS
         Wait Until Keyword Succeeds   120s   2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         Run Keyword Unless    ${supress_add_subscriber}
         ...    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
         ...    volt-add-subscriber-access ${of_id} ${onu_port}
@@ -706,7 +706,7 @@
         ...    Validate Device    ENABLED    DISCOVERED
         ...    UNREACHABLE    ${src['onu']}    onu=True    onu_reason=${valid_onu_states}
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds   ${timeout}    2s
-        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
         ...    Wait Until Keyword Succeeds    60s    2s
         ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
@@ -770,10 +770,10 @@
         ${src}=    Set Variable    ${hosts.src[${I}]}
         ${dst}=    Set Variable    ${hosts.dst[${I}]}
         ${onu_port}=    Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         # Check ONU port is Enabled in ONOD
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds   120s   2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         # Verify EAPOL flows are added for the ONU port
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Verify Eapol Flows Added For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    ${onu_port}
@@ -978,7 +978,7 @@
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${src['olt']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         ${matched}=    Match ONU in PON OLT Peer List    ${olt_peer_list}    ${onu_device_id}
         ${valid_onu_states}=    Create List    stopping-openomci    omci-flows-deleted
         Run Keyword If    ${matched}
@@ -987,7 +987,7 @@
         ...    Validate Device    ENABLED    DISCOVERED
         ...    UNREACHABLE    ${src['onu']}    onu=True    onu_reason=${valid_onu_states}
         ...    AND    Wait Until Keyword Succeeds   ${timeout}    2s
-        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         ...    AND    Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
         ...    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
@@ -1020,7 +1020,7 @@
         ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${src['olt']}
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         ${matched}=    Match ONU in PON OLT Peer List    ${olt_peer_list}    ${onu_device_id}
         Run Keyword If    ${matched}
         ...    Run Keywords
@@ -1028,7 +1028,7 @@
         ...    Run Keyword If    ${has_dataplane}    Clean Up Linux    ${onu_device_id}
         # Verify ONU port status
         ...    AND    Wait Until Keyword Succeeds   120s   2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         ...    AND    Wait Until Keyword Succeeds    ${timeout}    2
         ...    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
         ...    volt-add-subscriber-access ${of_id} ${onu_port}
diff --git a/tests/dt-workflow/Voltha_DT_FailureScenarios.robot b/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
index 9637a89..9417b8a 100755
--- a/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
+++ b/tests/dt-workflow/Voltha_DT_FailureScenarios.robot
@@ -90,7 +90,7 @@
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         # If the power switch port is not specified, continue
         Continue For Loop If    '${src["power_switch_port"]}' == '${None}'
         # Disable Power Switch
@@ -111,7 +111,7 @@
         Enable Switch Outlet    ${src['power_switch_port']}
         # Check ONU port is Enabled in ONOS
         Wait Until Keyword Succeeds    120s    5s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         Wait Until Keyword Succeeds    ${timeout}    2
         ...    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
         ...    volt-add-subscriber-access ${of_id} ${onu_port}
@@ -260,7 +260,7 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Validate Device        ENABLED    ACTIVE    REACHABLE
         ...    ${onu_device_id}    onu=True    onu_reason=initial-mib-downloaded    by_dev_id=True
@@ -290,7 +290,7 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         # Add subscriber access and verify that DHCP completes to ensure system is still functioning properly
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
@@ -343,14 +343,14 @@
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         # Verify ONU state in voltha
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s    Validate Device
         ...    ENABLED    ACTIVE    REACHABLE
         ...    ${src['onu']}    onu=True    onu_reason=omci-flows-pushed
         # Check ONU port is Disabled in ONOS
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
-        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         # Verify subscriber access flows are added for the ONU port
         Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Verify Subscriber Access Flows Added For ONU DT    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}
@@ -395,7 +395,7 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         # Bring up the device and verify it authenticates
         Wait Until Keyword Succeeds    360s    5s    Validate Device    ENABLED    ACTIVE    REACHABLE
         ...    ${onu_device_id}    onu=True    onu_reason=initial-mib-downloaded    by_dev_id=True
@@ -433,7 +433,7 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         # Add subscriber access and verify that DHCP completes to ensure system is still functioning properly
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-add-subscriber-access ${of_id} ${onu_port}
@@ -510,7 +510,7 @@
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         Reboot Device    ${onu_device_id}
         Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
         ...    Wait Until Keyword Succeeds    ${timeout}    2s
@@ -525,7 +525,7 @@
         Sleep    40s
         # Check ONU port is Enabled in ONOS
         Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         Wait Until Keyword Succeeds    ${timeout}    2
         ...    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}
         ...    volt-add-subscriber-access ${of_id} ${onu_port}
@@ -763,7 +763,7 @@
         ${nni_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get NNI Port in ONOS    ${of_id}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         # Remove Subscriber Access
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
diff --git a/tests/dt-workflow/Voltha_DT_PODTests.robot b/tests/dt-workflow/Voltha_DT_PODTests.robot
index b6b14bb..b8db993 100755
--- a/tests/dt-workflow/Voltha_DT_PODTests.robot
+++ b/tests/dt-workflow/Voltha_DT_PODTests.robot
@@ -163,7 +163,7 @@
         ${olt_device_id}=    Get OLTDeviceID From OLT List    ${src['olt']}
         ${num_of_olt_onus}=    Get Num of Onus From OLT SN    ${src['olt']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         # Remove Subscriber Access
         Wait Until Keyword Succeeds    ${timeout}    2s    Execute ONOS CLI Command use single connection    ${ONOS_SSH_IP}
         ...    ${ONOS_SSH_PORT}    volt-remove-subscriber-access ${of_id} ${onu_port}
@@ -231,13 +231,13 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         Disable Device    ${onu_device_id}
         Run Keyword And Continue On Failure    Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Validate Device    DISABLED    UNKNOWN
         ...    REACHABLE    ${src['onu']}    onu=True    onu_reason=tech-profile-config-delete-success
         Wait Until Keyword Succeeds   ${timeout}    2s
-        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         # TODO: Yet to Verify on the GPON based Physical POD (VOL-2652)
         Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
         ...    Wait Until Keyword Succeeds    ${timeout}    2s
@@ -249,7 +249,7 @@
         ...    Validate Device    ENABLED    ACTIVE
         ...    REACHABLE    ${src['onu']}    onu=True    onu_reason=onu-reenabled
         Wait Until Keyword Succeeds   ${timeout}    2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         # Workaround for issue seen in VOL-4489. Keep this workaround until VOL-4489 is fixed.
         Run Keyword If    ${has_dataplane}    Reboot XGSPON ONU    ${src['olt']}    ${src['onu']}    omci-flows-pushed
         # Workaround ends here for issue seen in VOL-4489.
@@ -337,9 +337,9 @@
         ${of_id}=    Get ofID From OLT List    ${src['olt']}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         Wait Until Keyword Succeeds   ${timeout}    2s
-        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Disabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         Run Keyword If    ${has_dataplane}    Run Keyword And Continue On Failure
         ...    Wait Until Keyword Succeeds    ${timeout}    2s
         ...    Check Ping    False    ${dst['dp_iface_ip_qinq']}    ${src['dp_iface_name']}
@@ -481,7 +481,7 @@
         Pass Execution If    ${rc} != 0    Skipping test: iperf3 / jq not found on the RG
 
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         ${subscriber_id}=    Set Variable    ${of_id}/${onu_port}
         ${bandwidth_profile_name}    Get Bandwidth Profile Name For Given Subscriber    ${subscriber_id}
         ...    upstreamBandwidthProfile
@@ -540,7 +540,7 @@
         Pass Execution If    ${rc} != 0    Skipping test: iperf3 / jq not found on the RG
 
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         ${subscriber_id}=    Set Variable    ${of_id}/${onu_port}
         ${bandwidth_profile_name}    Get Bandwidth Profile Name For Given Subscriber    ${subscriber_id}
         ...    upstreamBandwidthProfile
@@ -738,7 +738,7 @@
         Pass Execution If    ${rc} != 0    Skipping test: iperf3 / jq not found on the RG
 
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s    Get ONU Port in ONOS    ${src['onu']}
-        ...    ${of_id}
+        ...    ${of_id}    ${src['uni_id']}
         ${subscriber_id}=    Set Variable    ${of_id}/${onu_port}
         ${bandwidth_profile_name}    Get Bandwidth Profile Name For Given Subscriber    ${subscriber_id}
         ...    upstreamBandwidthProfile
@@ -805,10 +805,10 @@
         ...    Verify No Pending Flows For ONU    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
         # ONU Auto-Discovery
         ${onu_port}=    Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}
+        ...    Get ONU Port in ONOS    ${src['onu']}    ${of_id}    ${src['uni_id']}
         # Check ONU port is Enabled in ONOS
         Wait Until Keyword Succeeds    ${timeout}    2s
-        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}
+        ...    Verify UNI Port Is Enabled   ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${src['onu']}    ${src['uni_id']}
         ${onu_device_id}=    Get Device ID From SN    ${src['onu']}
         Run Keyword If    ${has_dataplane}    Clean Up Linux    ${onu_device_id}
         # Verify ONU state in voltha