diff --git a/configs/ct/ct-noc-a8360-3-b.cfg b/configs/ct/ct-noc-a8360-3-b.cfg
index c827985..43ac86c 100644
--- a/configs/ct/ct-noc-a8360-3-b.cfg
+++ b/configs/ct/ct-noc-a8360-3-b.cfg
@@ -124,6 +124,7 @@ vlan 60
 vlan 70
     name Security_Video
     description Security Video
+    ip igmp snooping enable
 vlan 72
     name Access_Control
     description Access Control