diff --git a/pkg/controller/controller.go b/pkg/controller/controller.go
index ab5256493bb..a38858ab31c 100644
--- a/pkg/controller/controller.go
+++ b/pkg/controller/controller.go
@@ -86,7 +86,7 @@ func NewController(
 
 	controller := &Controller{
 		config:        config,
-		ovnClient:     ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitchCIDR),
+		ovnClient:     ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitch, config.NodeSwitchCIDR),
 		kubeclientset: config.KubeClient,
 
 		podsLister:     podInformer.Lister(),
diff --git a/pkg/controller/init.go b/pkg/controller/init.go
index a44fcd47035..1477979d8d6 100644
--- a/pkg/controller/init.go
+++ b/pkg/controller/init.go
@@ -50,7 +50,7 @@ func InitDefaultLogicalSwitch(config *Configuration) error {
 }
 
 func InitNodeSwitch(config *Configuration) error {
-	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitchCIDR)
+	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitch, config.NodeSwitchCIDR)
 	ss, err := client.ListLogicalSwitch()
 	if err != nil {
 		return err
@@ -62,7 +62,7 @@ func InitNodeSwitch(config *Configuration) error {
 		}
 	}
 
-	err = client.CreateLogicalSwitch(config.NodeSwitch, config.NodeSwitchCIDR, config.NodeSwitchGateway, config.NodeSwitchGateway, "")
+	err = client.CreateLogicalSwitch(config.NodeSwitch, config.NodeSwitchCIDR, config.NodeSwitchGateway, config.NodeSwitchGateway)
 	if err != nil {
 		return err
 	}
@@ -70,7 +70,7 @@ func InitNodeSwitch(config *Configuration) error {
 }
 
 func InitClusterRouter(config *Configuration) error {
-	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitchCIDR)
+	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitch, config.NodeSwitchCIDR)
 	lrs, err := client.ListLogicalRouter()
 	if err != nil {
 		return err
@@ -85,7 +85,7 @@ func InitClusterRouter(config *Configuration) error {
 }
 
 func InitLoadBalancer(config *Configuration) error {
-	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitchCIDR)
+	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitch, config.NodeSwitchCIDR)
 	tcpLb, err := client.FindLoadbalancer(config.ClusterTcpLoadBalancer)
 	if err != nil {
 		return fmt.Errorf("failed to find tcp lb %v", err)
@@ -119,7 +119,7 @@ func InitLoadBalancer(config *Configuration) error {
 }
 
 func InitDnsTable(config *Configuration) error {
-	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitchCIDR)
+	client := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, "", 0, config.ClusterRouter, config.ClusterTcpLoadBalancer, config.ClusterUdpLoadBalancer, config.NodeSwitch, config.NodeSwitchCIDR)
 	uuid, err := client.CreateDnsTable()
 	if err != nil {
 		return err
diff --git a/pkg/controller/namespace.go b/pkg/controller/namespace.go
index 9f10f2d4b33..0b1cce80098 100644
--- a/pkg/controller/namespace.go
+++ b/pkg/controller/namespace.go
@@ -198,7 +198,7 @@ func (c *Controller) handleAddNamespace(key string) error {
 			excludeIps = gateway
 		}
 		// If multiple namespace use same ls name, only first one will success
-		err = c.ovnClient.CreateLogicalSwitch(ls, cidr, gateway, excludeIps, ns.Name)
+		err = c.ovnClient.CreateLogicalSwitch(ls, cidr, gateway, excludeIps)
 		if err != nil {
 			return err
 		}
diff --git a/pkg/daemon/controller.go b/pkg/daemon/controller.go
index a64f3db3940..d7063f6bf63 100644
--- a/pkg/daemon/controller.go
+++ b/pkg/daemon/controller.go
@@ -45,7 +45,7 @@ type Controller struct {
 func NewController(config *Configuration, informerFactory informers.SharedInformerFactory) (*Controller, error) {
 	namespaceInformer := informerFactory.Core().V1().Namespaces()
 	podInformer := informerFactory.Core().V1().Pods()
-	ovnClient := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, config.OvnSbHost, config.OvnSbPort, "", "", "", "")
+	ovnClient := ovs.NewClient(config.OvnNbHost, config.OvnNbPort, config.OvnSbHost, config.OvnSbPort, "", "", "", "", "")
 	iptablesMgr, err := iptables.New()
 	if err != nil {
 		return nil, err
diff --git a/pkg/ovs/ovn-nbctl.go b/pkg/ovs/ovn-nbctl.go
index ef891858d42..28b86264139 100644
--- a/pkg/ovs/ovn-nbctl.go
+++ b/pkg/ovs/ovn-nbctl.go
@@ -158,12 +158,11 @@ func (c Client) CreateOutsideLogicalSwitch(ls, edgeLr, ip, mac string) error {
 	return nil
 }
 
-func (c Client) CreateLogicalSwitch(ls, subnet, gateway, excludeIps, namespace string) error {
+func (c Client) CreateLogicalSwitch(ls, subnet, gateway, excludeIps string) error {
 	_, err := c.ovnNbCommand(WaitSb, MayExist, "ls-add", ls, "--",
 		"set", "logical_switch", ls, fmt.Sprintf("other_config:subnet=%s", subnet), "--",
 		"set", "logical_switch", ls, fmt.Sprintf("other_config:gateway=%s", gateway), "--",
-		"set", "logical_switch", ls, fmt.Sprintf("other_config:exclude_ips=%s", excludeIps), "--",
-		"set", "logical_switch", ls, fmt.Sprintf("other_config:namespace=%s", namespace))
+		"set", "logical_switch", ls, fmt.Sprintf("other_config:exclude_ips=%s", excludeIps))
 	if err != nil {
 		klog.Errorf("create switch %s failed %v", ls, err)
 		return err
@@ -190,12 +189,16 @@ func (c Client) CreateLogicalSwitch(ls, subnet, gateway, excludeIps, namespace s
 		return err
 	}
 
-	err = c.AddDnsTableToLogicalSwitch(ls)
-	if err != nil {
-		klog.Errorf("failed to add cluster dns to %s, %v", ls, err)
-		return err
+	// DO NOT add ovn dns to node switch
+	if ls != c.NodeSwitch {
+		err = c.AddDnsTableToLogicalSwitch(ls)
+		if err != nil {
+			klog.Errorf("failed to add cluster dns to %s, %v", ls, err)
+			return err
+		}
 	}
-	return err
+
+	return nil
 }
 
 func (c Client) ListLogicalSwitch() ([]string, error) {
diff --git a/pkg/ovs/ovn.go b/pkg/ovs/ovn.go
index 1b16b8904fa..95f6b295ab2 100644
--- a/pkg/ovs/ovn.go
+++ b/pkg/ovs/ovn.go
@@ -16,6 +16,7 @@ type Client struct {
 	ClusterRouter          string
 	ClusterTcpLoadBalancer string
 	ClusterUdpLoadBalancer string
+	NodeSwitch             string
 	NodeSwitchCIDR         string
 }
 
@@ -32,13 +33,14 @@ const (
 
 var GlobalDnsTable string
 
-func NewClient(ovnNbHost string, ovnNbPort int, ovnSbHost string, ovnSbPort int, clusterRouter, clusterTcpLoadBalancer, clusterUdpLoadBalancer, nodeSwitchCIDR string) *Client {
+func NewClient(ovnNbHost string, ovnNbPort int, ovnSbHost string, ovnSbPort int, clusterRouter, clusterTcpLoadBalancer, clusterUdpLoadBalancer, nodeSwitch, nodeSwitchCIDR string) *Client {
 	return &Client{
 		OvnNbAddress:           fmt.Sprintf("tcp:%s:%d", ovnNbHost, ovnNbPort),
 		OvnSbAddress:           fmt.Sprintf("tcp:%s:%d", ovnSbHost, ovnSbPort),
 		ClusterRouter:          clusterRouter,
 		ClusterTcpLoadBalancer: clusterTcpLoadBalancer,
 		ClusterUdpLoadBalancer: clusterUdpLoadBalancer,
+		NodeSwitch:             nodeSwitch,
 		NodeSwitchCIDR:         nodeSwitchCIDR,
 	}
 }