diff --git a/ansible/install_config/group_vars/rpm_version.yml b/ansible/install_config/group_vars/rpm_version.yml
index 00b8fd06..aa8c51ab 100644
--- a/ansible/install_config/group_vars/rpm_version.yml
+++ b/ansible/install_config/group_vars/rpm_version.yml
@@ -65,3 +65,10 @@ tsg_diagnose_rpm_version:
 
 http_healthcheck_rpm_version:
   http_healthcheck: http_healthcheck-21.06.01.d0685bb
+
+wannat_wangw_rpm_version:
+  libwangw: libwangw-1.3.0.bcc9c59  
+
+wire_graft_rpm_version:  
+  libwire_graft: libwire_graft-1.2.8.d123db9
+  libwire_graft-devel: libwire_graft-devel-1.2.8.d123db9   
diff --git a/ansible/install_config/group_vars/stage_one_7400MCN0P01R01.yml b/ansible/install_config/group_vars/stage_one_7400MCN0P01R01.yml
index 21878507..6b840e8c 100644
--- a/ansible/install_config/group_vars/stage_one_7400MCN0P01R01.yml
+++ b/ansible/install_config/group_vars/stage_one_7400MCN0P01R01.yml
@@ -63,4 +63,18 @@ tsg_diagnose:
     virtual_server_nic: eth_dign_s
     virtual_client_nic: eth_dign_c
 
-cm_policy_server_ip: '{% raw %}{{ cm_policy_server_ip }}{% endraw %}'
\ No newline at end of file
+cm_policy_server_ip: '{% raw %}{{ cm_policy_server_ip }}{% endraw %}'
+
+wannat_wangw:
+  wangw_conf:
+    main:
+      NAT_GW_tunnel_recv_port: 3544
+      NAT_GW_tunnel_send_port: 3544
+      NAT_GW_tunnel_device: eth_ctl
+
+wire_graft:
+  wire_graft_conf:
+    main:
+      identification_by_which_device: eth_ctl
+    toroad:
+      sendto_toroad_enable: 1   
\ No newline at end of file
diff --git a/ansible/roles/system-init-7400-mcn0/files/setup b/ansible/roles/system-init-7400-mcn0/files/setup
index 453390c6..791a1724 100644
--- a/ansible/roles/system-init-7400-mcn0/files/setup
+++ b/ansible/roles/system-init-7400-mcn0/files/setup
@@ -38,6 +38,7 @@ function vf_setup()
   sleep 5
 
   ifconfig eth_ctl up
+  ifconfig eth_ctl mtu 2000
   ip link set eth_pf vf 2 vlan 200
   ifconfig eth_ctl 192.168.200.1 netmask 255.255.255.0
 
diff --git a/ansible/roles/tsg-os-provision/files/provision_config_sample_files/provision.yml.sample.7400MCN0P01R01 b/ansible/roles/tsg-os-provision/files/provision_config_sample_files/provision.yml.sample.7400MCN0P01R01
index b5c139d3..c059bf44 100644
--- a/ansible/roles/tsg-os-provision/files/provision_config_sample_files/provision.yml.sample.7400MCN0P01R01
+++ b/ansible/roles/tsg-os-provision/files/provision_config_sample_files/provision.yml.sample.7400MCN0P01R01
@@ -65,4 +65,12 @@ network_setting:
   nic_policy_log:
     ipv4: 127.0.0.1/24
     ipv6: 'fe80\:\:5/64'
-    gateway_ipv4: 191.168.1.1 
\ No newline at end of file
+    gateway_ipv4: 191.168.1.1 
+	
+wannat_natgw:
+  natgw_ip: "127.0.0.1"
+  
+wannat_toroad:
+  server_ip: "127.0.0.1"
+  server_port: 8888
+	
\ No newline at end of file
diff --git a/ansible/roles/tsg-os-provision/files/provision_tasks_files/provision.yml.7400MCN0P01R01 b/ansible/roles/tsg-os-provision/files/provision_tasks_files/provision.yml.7400MCN0P01R01
index fbfff709..311583e1 100644
--- a/ansible/roles/tsg-os-provision/files/provision_tasks_files/provision.yml.7400MCN0P01R01
+++ b/ansible/roles/tsg-os-provision/files/provision_tasks_files/provision.yml.7400MCN0P01R01
@@ -144,7 +144,19 @@
         src: "../templates/telegraf_statistic.conf.j2"
         dest: /etc/telegraf/telegraf_statistic.conf
       tags: telegraf_statistic
-  
+ 
+    - name: "tsg-os-provision: template wannat wangw.conf file"
+      template:
+        src: "../templates/wangw.conf.j2"
+        dest: /home/mesasoft/sapp_run/etc/wannat/wangw.conf
+      tags: wangw
+
+    - name: "tsg-os-provision: template wire_graft.conf file"
+      template:
+        src: "../templates/wire_graft.conf.j2"
+        dest: /home/mesasoft/sapp_run/etc/wire_graft/wire_graft.conf
+      tags: wire_graft
+	  
     - name: "mkdir /opt/tsg/etc/"
       file:
         path: /opt/tsg/etc
diff --git a/ansible/stage_one_deploy.yml b/ansible/stage_one_deploy.yml
index f021b869..a2c19bfa 100644
--- a/ansible/stage_one_deploy.yml
+++ b/ansible/stage_one_deploy.yml
@@ -24,6 +24,8 @@
     - {role: exporter, tags: exporter}
     - {role: tsg-diagnose, tags: tsg-diagnose}
     - {role: system-init, tags: system-init}
+    - {role: wannat_wangw, tags: wannat_wangw}
+    - {role: wire_graft, tags: wire_graft}
 
 - hosts: 7400-MCN123-P01R01
   remote_user: root