diff --git a/ansible/roles/test/files/ptftests/mtu_test.py b/ansible/roles/test/files/ptftests/mtu_test.py
index 353db573dba..154caaf1b6c 100644
--- a/ansible/roles/test/files/ptftests/mtu_test.py
+++ b/ansible/roles/test/files/ptftests/mtu_test.py
@@ -1,8 +1,8 @@
 '''
 Description:    This file contains the MTU test for SONIC
 
-Usage:          Examples of how to use log analyzer
-                ptf --test-dir ptftests mtu_test.MtuTest  --platform remote  -t "testbed_type='t1-lag';" --relax --debug info --log-file /tmp/mtu_test.log  --disable-vxlan --disable-geneve --disable-erspan --disable-mpls --disable-nvgre --socket-recv-size 16384
+Usage:          Examples of how to start this script
+                ptf --test-dir ptftests mtu_test.MtuTest --platform-dir ptftests --platform remote -t "router_mac='11:22:33:44:55';testbed_type='t1-64-lag'" --relax --debug info --log-file /tmp/mtu_test.log  --disable-vxlan --disable-geneve --disable-erspan --disable-mpls --disable-nvgre --socket-recv-size 16384
 
 '''
 
@@ -49,6 +49,7 @@ def __init__(self):
     def setUp(self):
         self.dataplane = ptf.dataplane_instance
         self.router_mac = self.test_params['router_mac']
+        self.testbed_type = self.test_params['testbed_type']
     
     #---------------------------------------------------------------------
 
@@ -125,7 +126,11 @@ def check_ip_mtu(self):
         src_port = 0
         send_packet(self, src_port, pkt)
         logging.info("Sending packet from port " + str(src_port) + " to " + ip_dst)
-        dst_port_list = [31]
+        dst_port_list = []
+        if self.testbed_type == 't1' or self.testbed_type == 't1-lag':
+            dst_port_list = [31]
+        elif self.testbed_type == 't1-64-lag':
+            dst_port_list = [58]
 
         (matched_index, received) = verify_packet_any_port(self, masked_exp_pkt, dst_port_list)
 
diff --git a/ansible/roles/test/tasks/mtu.yml b/ansible/roles/test/tasks/mtu.yml
index c53d8e65d1f..aecab9d04ee 100644
--- a/ansible/roles/test/tasks/mtu.yml
+++ b/ansible/roles/test/tasks/mtu.yml
@@ -7,17 +7,15 @@
   when: testbed_type is not defined
 
 - fail: msg="testbed_type {{testbed_type}} is invalid."
-  when: testbed_type not in ['t1-lag', 't1']
+  when: testbed_type not in ['t1-lag', 't1', 't1-64-lag']
 
 - include_vars: "vars/topo_{{testbed_type}}.yml"
 
 - name: Expand properties into props
   set_fact: props="{{configuration_properties['spine']}}"
-  when: testbed_type in ['t1', 't1-lag']
 
 - name: Expand ToR properties into props
   set_fact: props_tor="{{configuration_properties['tor']}}"
-  when: testbed_type in ['t1', 't1-lag']
 
 - name: Gathering minigraph facts about the device
   minigraph_facts: host={{ inventory_hostname }}
@@ -35,6 +33,7 @@
     ptf_test_name: MTU test
     ptf_test_dir: ptftests
     ptf_test_path: mtu_test.MtuTest
+    ptf_platform_dir: ptftests
     ptf_platform: remote
     ptf_test_params:
       - testbed_type='{{testbed_type}}'
diff --git a/ansible/roles/test/vars/testcases.yml b/ansible/roles/test/vars/testcases.yml
index ffd95b8c1e8..b503074a154 100644
--- a/ansible/roles/test/vars/testcases.yml
+++ b/ansible/roles/test/vars/testcases.yml
@@ -115,7 +115,7 @@ testcases:
 
     mtu:
       filename: mtu.yml
-      topologies: [t1, t1-lag]
+      topologies: [t1, t1-lag, t1-64-lag]
       required_vars:
           ptf_host:
           testbed_type: