diff --git a/api.go b/api.go
index b04ee6e..8cc2c8f 100644
--- a/api.go
+++ b/api.go
@@ -1036,6 +1036,7 @@ type TcpReader interface {
 	GetEmitter() Emitter
 	GetIsClosed() bool
 	GetCapture() *Capture
+	GetLayer4() string
 	Rewind()
 	Lock()
 	Unlock()
diff --git a/health.go b/health.go
index 6e80371..09978d7 100644
--- a/health.go
+++ b/health.go
@@ -38,6 +38,7 @@ type HealthWorkerLicenseData struct {
 
 type HealthHub struct {
 	Workers              []HealthHubWorker       `json:"workers"`
+	Nodes                []HealthHubNode         `json:"nodes"`
 	NodeName             string                  `json:"nodeName"`
 	ClusterID            string                  `json:"clusterID"`
 	Version              string                  `json:"version"`
@@ -54,3 +55,8 @@ type HealthHubWorker struct {
 	Addr    string `json:"addr"`
 	PodName string `json:"podName"`
 }
+
+type HealthHubNode struct {
+	NodeName string `json:"nodeName"`
+	PodCount int    `json:"podCount"`
+}