diff --git a/configs/ct/ct-noc-a8325-b.cfg b/configs/ct/ct-noc-a8325-b.cfg
index 57a8058..2545838 100644
--- a/configs/ct/ct-noc-a8325-b.cfg
+++ b/configs/ct/ct-noc-a8325-b.cfg
@@ -107,6 +107,7 @@ vlan 60
 vlan 70
     name Security_Video
     description Security Video
+    ip igmp snooping enable
 vlan 72
     name Access_Control
     description Access Control
@@ -1091,6 +1092,7 @@ interface vlan 70
     ip helper-address 10.1.40.189
     ip helper-address 10.21.48.20
     ip ospf 1 area 0.0.0.0
+    ip igmp enable
 interface vlan 72
     description Access Control
     ip address 10.1.72.3/24