diff --git a/go-controller/pkg/ovn/base_network_controller_secondary.go b/go-controller/pkg/ovn/base_network_controller_secondary.go
index 8a77a87209f..793ac3ae447 100644
--- a/go-controller/pkg/ovn/base_network_controller_secondary.go
+++ b/go-controller/pkg/ovn/base_network_controller_secondary.go
@@ -327,10 +327,13 @@ func (bsnc *BaseSecondaryNetworkController) addLogicalPortToNetworkForNAD(pod *k
 			return err
 		}
 	}
-
-	if bsnc.doesNetworkRequireIPAM() && util.IsMultiNetworkPoliciesSupportEnabled() {
+	if bsnc.doesNetworkRequireIPAM() && (util.IsMultiNetworkPoliciesSupportEnabled() || bsnc.multicastSupport) {
 		// Ensure the namespace/nsInfo exists
-		addOps, err := bsnc.addPodToNamespaceForSecondaryNetwork(pod.Namespace, podAnnotation.IPs)
+		portUUID := ""
+		if lsp != nil {
+			portUUID = lsp.UUID
+		}
+		addOps, err := bsnc.addPodToNamespaceForSecondaryNetwork(pod.Namespace, podAnnotation.IPs, portUUID)
 		if err != nil {
 			return err
 		}
@@ -556,7 +559,7 @@ func (bsnc *BaseSecondaryNetworkController) syncPodsForSecondaryNetwork(pods []i
 }
 
 // addPodToNamespaceForSecondaryNetwork returns the ops needed to add pod's IP to the namespace's address set.
-func (bsnc *BaseSecondaryNetworkController) addPodToNamespaceForSecondaryNetwork(ns string, ips []*net.IPNet) ([]ovsdb.Operation, error) {
+func (bsnc *BaseSecondaryNetworkController) addPodToNamespaceForSecondaryNetwork(ns string, ips []*net.IPNet, portUUID string) ([]ovsdb.Operation, error) {
 	var ops []ovsdb.Operation
 	var err error
 	nsInfo, nsUnlock, err := bsnc.ensureNamespaceLockedForSecondaryNetwork(ns, true, nil)
@@ -570,6 +573,12 @@ func (bsnc *BaseSecondaryNetworkController) addPodToNamespaceForSecondaryNetwork
 		return nil, err
 	}
 
+	if portUUID != "" && nsInfo.portGroupName != "" {
+		if ops, err = libovsdbops.AddPortsToPortGroupOps(bsnc.nbClient, ops, nsInfo.portGroupName, portUUID); err != nil {
+			return nil, err
+		}
+	}
+
 	return ops, nil
 }