diff --git a/configs/ct/ct-noc-a8325-b.cfg b/configs/ct/ct-noc-a8325-b.cfg
index 2f86e7a..67d8f0f 100644
--- a/configs/ct/ct-noc-a8325-b.cfg
+++ b/configs/ct/ct-noc-a8325-b.cfg
@@ -88,6 +88,7 @@ vlan 24
 vlan 30
     name IoT
     description IoT
+    ip igmp snooping enable
 vlan 34
     name Wireless_-_SCSD_Administrator
     description Wireless - SCSD Administrator
@@ -106,6 +107,7 @@ vlan 48
 vlan 50
     name Voice
     description Voice
+    ip igmp snooping enable
 vlan 60
     name Z-Band_Video
     description Z-Band Video
@@ -1083,6 +1085,7 @@ interface vlan 30
     ip helper-address 10.1.40.189
     ip helper-address 10.21.48.20
     ip ospf 1 area 0.0.0.0
+    ip pim-sparse enable
 interface vlan 35
     description Wireless Controller Admin
     ip address 10.1.35.3/24
@@ -1126,6 +1129,7 @@ interface vlan 50
     ip helper-address 10.1.40.189
     ip helper-address 10.21.48.20
     ip ospf 1 area 0.0.0.0
+    ip pim-sparse enable
 interface vlan 60
     description Z-Band Video
     ip address 10.1.60.3/24