diff --git a/tests/tt-workflow/Voltha_TT_MulticastTests.robot b/tests/tt-workflow/Voltha_TT_MulticastTests.robot
index fbdca15..81b5eee 100644
--- a/tests/tt-workflow/Voltha_TT_MulticastTests.robot
+++ b/tests/tt-workflow/Voltha_TT_MulticastTests.robot
@@ -84,6 +84,27 @@
     Wait Until Keyword Succeeds    ${timeout}    15    TT 2 RG MCAST Test    ${src_onu1}    ${dst_onu1}
     ...    ${channel_ip_1}    ${src_onu2}    ${dst_onu2}    ${channel_ip_1}
 
+2 RG Same ONU Different Channel Multicast Test
+    [Documentation]    Verify that 2 RG which are connected to the same ONU could join the different channel.
+    [Tags]    functionalTT    2RGSameOnuDifferentChannel    multicastTT
+    [Setup]    Start Logging    2RGSameOnuDifferentChannel
+    [Teardown]    Run Keywords    Run Keyword If    ${logging}    Collect Logs
+    ...           AND             Stop Logging    2RGSameOnuDifferentChannel
+    ${test_onus_pon0}=    Set Variable    ${multicast_test_onu_pon_locations.pon_0[0]}
+    ${test_onu1_sn}=    Set Variable    ${test_onus_pon0['onu_1']}
+    ${test_onu1_uni}=    Set Variable    1
+    ${test_onu2_sn}=    Set Variable    ${test_onus_pon0['onu_1']}
+    ${test_onu2_uni}=    Set Variable    2
+    ${channel_ip_list}=    Set Variable    ${multicast_ip_addresses[0]}
+    ${channel_ip_1}=    Set Variable    ${channel_ip_list['channel_1']}
+    ${channel_ip_2}=    Set Variable    ${channel_ip_list['channel_2']}
+    ${matched}    ${src_onu1}    ${dst_onu1}=    Get ONU details with Given Sn and Service and UNI    ${test_onu1_sn}    mcast
+    ...    ${test_onu1_uni}
+    ${matched}    ${src_onu2}    ${dst_onu2}=    Get ONU details with Given Sn and Service and UNI    ${test_onu2_sn}    mcast
+    ...    ${test_onu2_uni}
+    Wait Until Keyword Succeeds    ${timeout}    15    TT 2 RG MCAST Test    ${src_onu1}    ${dst_onu1}
+    ...    ${channel_ip_1}    ${src_onu2}    ${dst_onu2}    ${channel_ip_2}
+
 *** Keywords ***
 Get ONU details with Given Sn and Service and UNI
     [Documentation]    This keyword finds the ONU details (as required for multicast test)