diff --git a/pkg/neg/metrics/neg_metrics_collector.go b/pkg/neg/metrics/neg_metrics_collector.go
index 9986234bde..ab6df5e872 100644
--- a/pkg/neg/metrics/neg_metrics_collector.go
+++ b/pkg/neg/metrics/neg_metrics_collector.go
@@ -69,8 +69,22 @@ func init() {
 // NewNEGMetricsCollector initializes SyncerMetrics and starts a go routine to compute and export metrics periodically.
 func NewNegMetricsCollector(exportInterval time.Duration) *SyncerMetrics {
 	return &SyncerMetrics{
-		countSinceLastExport: make(map[syncError]int),
-		metricsInterval:      exportInterval,
+		countSinceLastExport: map[syncError]int{
+			ErrEPCountsDiffer:         0,
+			ErrEPMissingNodeName:      0,
+			ErrEPMissingZone:          0,
+			ErrInvalidEPAttach:        0,
+			ErrInvalidEPDetach:        0,
+			ErrEPSEndpointCountZero:   0,
+			ErrEPCalculationCountZero: 0,
+			ErrNegNotFound:            0,
+			ErrCurrentEPNotFound:      0,
+			ErrEPSNotFound:            0,
+			ErrNodeNotFound:           0,
+			ErrOtherError:             0,
+			Success:                   0,
+		},
+		metricsInterval: exportInterval,
 	}
 }
 
diff --git a/pkg/neg/syncers/transaction.go b/pkg/neg/syncers/transaction.go
index c3963aed71..8773aa3a26 100644
--- a/pkg/neg/syncers/transaction.go
+++ b/pkg/neg/syncers/transaction.go
@@ -104,6 +104,9 @@ type transactionSyncer struct {
 	// 4. Endpoint count from EPS or calculated endpoint list is 0
 	// Need to grab syncLock first for any reads or writes based on this value
 	inError bool
+
+	// syncCollector collect sync related metrics
+	syncCollector metrics.SyncerMetricsCollector
 }
 
 func NewTransactionSyncer(
@@ -121,6 +124,7 @@ func NewTransactionSyncer(
 	epc negtypes.NetworkEndpointsCalculator,
 	kubeSystemUID string,
 	svcNegClient svcnegclient.Interface,
+	syncerMetrics *metrics.SyncerMetrics,
 	customName bool,
 	enableEndpointSlices bool,
 	log klog.Logger) negtypes.NegSyncer {
@@ -145,6 +149,7 @@ func NewTransactionSyncer(
 		reflector:            reflector,
 		kubeSystemUID:        kubeSystemUID,
 		svcNegClient:         svcNegClient,
+		syncCollector:        syncerMetrics,
 		customName:           customName,
 		enableEndpointSlices: enableEndpointSlices,
 		inError:              false,
@@ -192,6 +197,9 @@ func (s *transactionSyncer) syncInternal() error {
 
 	s.updateStatus(err)
 	metrics.PublishNegSyncMetrics(string(s.NegSyncerKey.NegType), string(s.endpointsCalculator.Mode()), err, start)
+	if s.enableEndpointSlices {
+		s.syncCollector.UpdateSyncer(s.NegSyncerKey, err)
+	}
 	return err
 }
 
@@ -510,6 +518,7 @@ func (s *transactionSyncer) operationInternal(operation transactionOp, zone stri
 			if operation == detachOp {
 				err = fmt.Errorf("%w, reason: %v", metrics.ErrInvalidEPDetach, err)
 			}
+			s.syncCollector.UpdateSyncer(s.NegSyncerKey, err)
 		}
 	}