diff --git a/Makefile b/Makefile
index 4f1a177..bbc4052 100755
--- a/Makefile
+++ b/Makefile
@@ -109,6 +109,11 @@
 sanity-kind-tt: ROBOT_FILE := Voltha_TT_PODTests.robot
 sanity-kind-tt: voltha-tt-test
 
+sanity-kind-tt-maclearning: ROBOT_MISC_ARGS += -i sanityTT -v with_maclearning:True $(ROBOT_DEBUG_LOG_OPT)
+sanity-kind-tt-maclearning: ROBOT_CONFIG_FILE := $(ROBOT_SANITY_TT_SINGLE_PON_FILE)
+sanity-kind-tt-maclearning: ROBOT_FILE := Voltha_TT_PODTests.robot
+sanity-kind-tt-maclearning: voltha-tt-test
+
 sanity-kind-multiuni-tt: ROBOT_MISC_ARGS += -i sanityTT $(ROBOT_DEBUG_LOG_OPT)
 sanity-kind-multiuni-tt: ROBOT_CONFIG_FILE := $(ROBOT_SANITY_TT_MULTI_UNI_SINGLE_PON_FILE)
 sanity-kind-multiuni-tt: ROBOT_FILE := Voltha_TT_PODTests.robot
diff --git a/libraries/onos.robot b/libraries/onos.robot
index 4dc7967..aff9866 100755
--- a/libraries/onos.robot
+++ b/libraries/onos.robot
@@ -769,6 +769,14 @@
     ...    dhcpl2relay-allocations | grep DHCPACK | grep ${onu_port} | grep ${vlan}
     Should Not Be Empty    ${allocations}    ONU port ${onu_port} not found in dhcpl2relay-allocations
 
+Validate Mac Learner Mapping in ONOS
+    [Arguments]    ${ip}    ${port}    ${dev_id}    ${onu_port}    ${vlan}
+    [Documentation]    Verifies the MAC mapping for the client
+    ${mac}=    Execute ONOS CLI Command use single connection    ${ip}    ${port}
+    ...    mac-learner-get-mapping ${dev_id} ${onu_port} ${vlan} | grep -v INFO
+    Should Not Be Empty    ${mac}
+    ...    No client mac-mapping found with vlan-id: ${vlan} that uses port: ${onu_port} of device: ${dev_id}
+
 Device Is Available In ONOS
     [Arguments]    ${url}    ${dpid}    ${available}=true
     [Documentation]    Validates the device exists and it has the expected availability in ONOS
@@ -1005,7 +1013,7 @@
     [Return]    ${limiting_BW}
 
 Validate Deleted Device Cleanup In ONOS
-    [Arguments]    ${ip}    ${port}    ${olt_serial_number}
+    [Arguments]    ${ip}    ${port}    ${olt_serial_number}    ${maclearning_enabled}=False
     [Documentation]    The keyword verifies that ports, flows, meters, subscribers, dhcp are all cleared in ONOS
     # Fetch OF Id for OLT
     ${olt_of_id}=    Wait Until Keyword Succeeds    ${timeout}    5s    Validate OLT Device in ONOS    ${olt_serial_number}
@@ -1039,6 +1047,12 @@
     ...    dhcpl2relay-allocations ${olt_of_id}
     ${dhcp_count}=      Get Line Count      ${dhcp}
     Should Be Equal As Integers    ${dhcp_count}    0   DHCP Allocations have not been removed from ONOS after cleanup
+    # Verify MAC Learner Mappings are Removed
+    ${mac}=    Run Keyword If    ${maclearning_enabled}    Execute ONOS CLI Command use single connection     ${ip}    ${port}
+    ...    mac-learner-get-mapping | grep -v INFO
+    ${mac_count}=    Run Keyword If    ${maclearning_enabled}    Get Line Count    ${mac}
+    ...    ELSE    Set Variable    0
+    Should Be Equal As Integers    ${mac_count}    0   Client MAC Learner Mappings have not been removed from ONOS after cleanup
 
 Delete ONOS App
     [Arguments]    ${url}    ${app_name}
diff --git a/libraries/utils.robot b/libraries/utils.robot
index 04282b6..ec94c5f 100755
--- a/libraries/utils.robot
+++ b/libraries/utils.robot
@@ -409,12 +409,13 @@
     ...    and avoids duplication of code.
     ...    For repeating sanity test without subscriber changes set flag supress_add_subscriber=True.
     ...    In all other (common) cases flag has to be set False (default).
-    [Arguments]    ${supress_add_subscriber}=False
+    [Arguments]    ${supress_add_subscriber}=False    ${maclearning_enabled}=False
     FOR    ${I}    IN RANGE    0    ${num_all_onus}
         ${src}=    Set Variable    ${hosts.src[${I}]}
         ${dst}=    Set Variable    ${hosts.dst[${I}]}
         ${service_type}=    Get Variable Value    ${src['service_type']}    "null"
-        Run Keyword IF    '${service_type}' != 'mcast'    Sanity Test TT one ONU    ${src}    ${dst}    ${supress_add_subscriber}
+        Run Keyword IF    '${service_type}' != 'mcast'    Sanity Test TT one ONU    ${src}    ${dst}
+        ...    ${supress_add_subscriber}    ${maclearning_enabled}
     END
     # Verify Subscriber Access Flow Count
     @{particular_onu_device_port}=      Create List
@@ -495,7 +496,7 @@
     ...       Assertions apply to HSIA, VoD, VoIP services
     ...       For repeating sanity test without subscriber changes set flag supress_add_subscriber=True.
     ...       In all other (common) cases flag has to be set False (default).
-    [Arguments]    ${src}    ${dst}    ${supress_add_subscriber}=False
+    [Arguments]    ${src}    ${dst}    ${supress_add_subscriber}=False    ${maclearning_enabled}=False
     Provision Subscription for ONU TT    ${src}    ${dst}    ${supress_add_subscriber}
     ${of_id}=    Wait Until Keyword Succeeds    ${timeout}    15s    Validate OLT Device in ONOS    ${src['olt']}
     Set Global Variable    ${of_id}
@@ -507,10 +508,14 @@
     ...    ${src['ip']}    ${src['user']}    ${src['pass']}    ${src['container_type']}    ${src['container_name']}
     ...    ${dst['dp_iface_name']}    ${dst['ip']}    ${dst['user']}    ${dst['pass']}    ${dst['container_type']}
     ...    ${dst['container_name']}
-    Run Keyword IF    '${src['service_type']}'!='hsia'
+    Run Keyword If    '${src['service_type']}'!='hsia'
+    ...    Run Keywords
     ...    Wait Until Keyword Succeeds    ${timeout}    2s
     ...    Validate Subscriber DHCP Allocation    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${onu_port}
     ...    ${src['c_tag']}
+    ...    AND    Run Keyword If    ${maclearning_enabled}
+    ...    Wait Until Keyword Succeeds    ${timeout}    5s    Validate Mac Learner Mapping in ONOS
+    ...    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${of_id}    ${onu_port}    ${src['c_tag']}
 
 Perform Sanity Test TT MCAST
     [Documentation]    This keyword performs Sanity Test Procedure for TT Workflow
@@ -715,6 +720,7 @@
 
 Delete All Devices and Verify
     [Documentation]    Remove any devices from VOLTHA and ONOS
+    [Arguments]    ${maclearning_enabled}=False
     # Clear devices from VOLTHA
     Disable Devices In Voltha    Root=true
     Wait Until Keyword Succeeds    ${timeout}    2s    Test Devices Disabled In Voltha    Root=true
@@ -724,6 +730,7 @@
         ${olt_serial_number}=    Set Variable    ${list_olts}[${I}][sn]
         Wait Until Keyword Succeeds    ${timeout}    5s
         ...    Validate Deleted Device Cleanup In ONOS    ${ONOS_SSH_IP}    ${ONOS_SSH_PORT}    ${olt_serial_number}
+        ...    ${maclearning_enabled}
     END
     Wait Until Keyword Succeeds    ${timeout}    5s    Validate Cleanup In ETCD    ${INFRA_NAMESPACE}
 
diff --git a/tests/tt-workflow/Voltha_TT_PODTests.robot b/tests/tt-workflow/Voltha_TT_PODTests.robot
index f5caa13..483ca6e 100755
--- a/tests/tt-workflow/Voltha_TT_PODTests.robot
+++ b/tests/tt-workflow/Voltha_TT_PODTests.robot
@@ -64,6 +64,10 @@
 
 ${suppressaddsubscriber}    True
 
+# flag to choose if mac-learning is enabled, or disabled (i.e. mac-address is configured)
+# example: -v with_maclearning:True
+${with_maclearning}    False
+
 # flag to choose the subscriber provisioning command type in ONOS
 # TT often provision a single services for a subscriber (eg: hsia, voip, ...) one after the other.
 # if set to True, command used is "volt-add-subscriber-unitag"
@@ -102,7 +106,7 @@
     [Teardown]    Run Keywords    Collect Logs
     ...           AND             Stop Logging    SanityTestTT
     Run Keyword If    ${has_dataplane}    Clean Up Linux
-    Perform Sanity Test TT
+    Perform Sanity Test TT    maclearning_enabled=${with_maclearning}
 
 Sanity E2E Test for TT (MCAST)
     [Documentation]    Validates E2E Ping Connectivity and object states for the given scenario:
@@ -294,7 +298,7 @@
     [Documentation]    Tear down steps for the suite
     Start Logging Setup or Teardown  Teardown-${SUITE NAME}
     Run Keyword If    ${has_dataplane}    Clean Up Linux
-    Run Keyword If    ${teardown_device}    Delete All Devices And Verify
+    Run Keyword If    ${teardown_device}    Delete All Devices And Verify    maclearning_enabled=${with_maclearning}
     Close All ONOS SSH Connections
     # remove pre-loaded tech profiles
     Set Suite Variable    ${TechProfile}    ${EMPTY}