diff --git a/ansible/roles/vm_set/tasks/add_topo.yml b/ansible/roles/vm_set/tasks/add_topo.yml
index 134ef242d5b..d21c24d390d 100644
--- a/ansible/roles/vm_set/tasks/add_topo.yml
+++ b/ansible/roles/vm_set/tasks/add_topo.yml
@@ -10,6 +10,11 @@
     net: none
     detach: True
     cap_add: NET_ADMIN
+    privileged: yes
+  become: yes
+
+- name: Enable ipv6 for docker container ptf_{{ vm_set_name }}
+  command: docker exec -i ptf_{{ vm_set_name }} sysctl -w net.ipv6.conf.all.disable_ipv6=0
   become: yes
 
 - name: Bind topology {{ topo }} to VMs. base vm = {{ VM_base }} base vlan = {{ vlan_base }}