diff --git a/ansible/roles/vm_set/tasks/start_sonic_vm.yml b/ansible/roles/vm_set/tasks/start_sonic_vm.yml
index a44adbdefb8..6235afebc62 100644
--- a/ansible/roles/vm_set/tasks/start_sonic_vm.yml
+++ b/ansible/roles/vm_set/tasks/start_sonic_vm.yml
@@ -9,7 +9,7 @@
     disk_image: "{{ home_path }}/sonic-vm/disks/sonic_{{ dut_name }}.img"
     mgmt_ip_address: " {{ hostvars[dut_name]['ansible_host'] }}"
     mgmt_gw: "{{ vm_mgmt_gw | default(mgmt_gw) }}"
-    serial_port: 9000
+    serial_port: "{{ hostvars[dut_name]['serial_port'] }}"
 
 - name: Device debug output
   debug: msg="hostname = {{ dut_name }} serial port = {{ serial_port }} ip = {{ mgmt_ip_address }}/{{ mgmt_prefixlen }} mgmt_gw = {{ mgmt_gw }}"
diff --git a/ansible/veos.vtb b/ansible/veos.vtb
index 4e672ec2d98..840ddb19bf2 100644
--- a/ansible/veos.vtb
+++ b/ansible/veos.vtb
@@ -29,7 +29,7 @@ server_1
 topologies=['t1', 't1-lag', 't1-64-lag', 't1-64-lag-clet', 't0', 't0-16', 't0-56', 't0-52', 'ptf32', 'ptf64', 't0-64', 't0-64-32', 't0-116']
 
 [sonic]
-vlab-01 ansible_host=10.250.0.101 type=kvm hwsku=Force10-S6000
-vlab-02 ansible_host=10.250.0.102 type=kvm hwsku=Force10-S6100
+vlab-01 ansible_host=10.250.0.101 type=kvm hwsku=Force10-S6000 serial_port=9000
+vlab-02 ansible_host=10.250.0.102 type=kvm hwsku=Force10-S6100 serial_port=9000
 vlab-simx-01 ansible_host=10.250.0.103 type=simx hwsku=MSN2700
 vlab-simx-02 ansible_host=10.250.0.104 type=simx hwsku=MSN3700