diff --git a/api/v1beta2/network_types.go b/api/v1beta2/network_types.go
index 9974cbddb1..00a775a54e 100644
--- a/api/v1beta2/network_types.go
+++ b/api/v1beta2/network_types.go
@@ -207,6 +207,14 @@ type TargetGroupAttribute string
 var (
 	// TargetGroupAttributeEnablePreserveClientIP defines the attribute key for enabling preserve client IP.
 	TargetGroupAttributeEnablePreserveClientIP = "preserve_client_ip.enabled"
+
+	// TargetGroupAttributeEnableConnectionTermination defines the attribute key for terminating
+	// established connections to unhealthy targets.
+	TargetGroupAttributeEnableConnectionTermination = "target_health_state.unhealthy.connection_termination.enabled"
+
+	// TargetGroupAttributeUnhealthyDrainingIntervalSeconds defines the attribute key for the
+	// unhealthy target connection draining interval.
+	TargetGroupAttributeUnhealthyDrainingIntervalSeconds = "target_health_state.unhealthy.draining_interval_seconds"
 )
 
 // LoadBalancerAttribute defines a set of attributes for a V2 load balancer.
diff --git a/controllers/helpers_test.go b/controllers/helpers_test.go
index d68669c407..05f103cfb6 100644
--- a/controllers/helpers_test.go
+++ b/controllers/helpers_test.go
@@ -393,6 +393,14 @@ func mockedModifyTargetGroupAttributes(t *testing.T, m *mocks.MockELBV2APIMockRe
 	m.ModifyTargetGroupAttributes(gomock.Any(), gomock.Eq(&elbv2.ModifyTargetGroupAttributesInput{
 		TargetGroupArn: tgArn,
 		Attributes: []elbv2types.TargetGroupAttribute{
+			{
+				Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+				Value: aws.String("false"),
+			},
+			{
+				Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+				Value: aws.String("300"),
+			},
 			{
 				Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 				Value: aws.String("false"),
diff --git a/pkg/cloud/services/elb/loadbalancer.go b/pkg/cloud/services/elb/loadbalancer.go
index 25aefa9b4d..6887692dd3 100644
--- a/pkg/cloud/services/elb/loadbalancer.go
+++ b/pkg/cloud/services/elb/loadbalancer.go
@@ -1687,16 +1687,32 @@ func (s *Service) reconcileTargetGroupsAndListeners(ctx context.Context, lbARN s
 			}
 			createdTargetGroups = append(createdTargetGroups, group)
 
+			targetGroupAttributeInput := &elbv2.ModifyTargetGroupAttributesInput{TargetGroupArn: group.TargetGroupArn}
+
+			if lbSpec.LoadBalancerType == infrav1.LoadBalancerTypeNLB {
+				targetGroupAttributeInput.Attributes = append(targetGroupAttributeInput.Attributes,
+					elbv2types.TargetGroupAttribute{
+						Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+						Value: aws.String("false"),
+					},
+					elbv2types.TargetGroupAttribute{
+						Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+						Value: aws.String("300"),
+					},
+				)
+			}
+
 			if !lbSpec.PreserveClientIP {
-				targetGroupAttributeInput := &elbv2.ModifyTargetGroupAttributesInput{
-					TargetGroupArn: group.TargetGroupArn,
-					Attributes: []elbv2types.TargetGroupAttribute{
-						{
-							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
-							Value: aws.String("false"),
-						},
+				targetGroupAttributeInput.Attributes = append(targetGroupAttributeInput.Attributes,
+					elbv2types.TargetGroupAttribute{
+						Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
+						Value: aws.String("false"),
 					},
-				}
+				)
+			}
+
+			if len(targetGroupAttributeInput.Attributes) > 0 {
+				s.scope.Debug("configuring target group attributes", "attributes", targetGroupAttributeInput)
 				if _, err := s.ELBV2Client.ModifyTargetGroupAttributes(ctx, targetGroupAttributeInput); err != nil {
 					return nil, nil, errors.Wrapf(err, "failed to modify target group attribute")
 				}
diff --git a/pkg/cloud/services/elb/loadbalancer_test.go b/pkg/cloud/services/elb/loadbalancer_test.go
index 805167b3b7..5bf8baae0a 100644
--- a/pkg/cloud/services/elb/loadbalancer_test.go
+++ b/pkg/cloud/services/elb/loadbalancer_test.go
@@ -1543,6 +1543,14 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), gomock.Eq(&elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),
@@ -1661,6 +1669,14 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), &elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),
@@ -1767,6 +1783,14 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), &elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),
@@ -1860,6 +1884,19 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 						},
 					},
 				}, nil)
+				m.ModifyTargetGroupAttributes(gomock.Any(), gomock.Eq(&elbv2.ModifyTargetGroupAttributesInput{
+					TargetGroupArn: aws.String(tgArn),
+					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
+					},
+				})).Return(nil, nil)
 				m.DescribeListeners(gomock.Any(), &elbv2.DescribeListenersInput{
 					LoadBalancerArn: aws.String(elbArn),
 				}).Return(&elbv2.DescribeListenersOutput{
@@ -2000,6 +2037,14 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), &elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),
@@ -2115,6 +2160,14 @@ func TestReconcileTargetGroupsAndListeners(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), &elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),
@@ -2403,6 +2456,14 @@ func TestReconcileV2LB(t *testing.T) {
 				m.ModifyTargetGroupAttributes(gomock.Any(), gomock.Eq(&elbv2.ModifyTargetGroupAttributesInput{
 					TargetGroupArn: aws.String(tgArn),
 					Attributes: []elbv2types.TargetGroupAttribute{
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeEnableConnectionTermination),
+							Value: aws.String("false"),
+						},
+						{
+							Key:   aws.String(infrav1.TargetGroupAttributeUnhealthyDrainingIntervalSeconds),
+							Value: aws.String("300"),
+						},
 						{
 							Key:   aws.String(infrav1.TargetGroupAttributeEnablePreserveClientIP),
 							Value: aws.String("false"),