diff --git a/ansible/install_config/group_vars/HAL_7400MCN0P01R01.yml b/ansible/install_config/group_vars/HAL_7400MCN0P01R01.yml
index 276e40a7..c0f547f0 100644
--- a/ansible/install_config/group_vars/HAL_7400MCN0P01R01.yml
+++ b/ansible/install_config/group_vars/HAL_7400MCN0P01R01.yml
@@ -40,6 +40,7 @@ dp_steering_firewall:
   # capture_packet value: pcap, driver
   capture_packet: driver
   nic_internal: eth_raw
+  enable_mirror: 0
 
 diagnose:
   virtual_server_nic: eth_dign_s