diff --git a/pkg/cni-plugin/plugin/ovs.go b/pkg/cni-plugin/plugin/ovs.go
index 28ffd4fe2..66e0a1eb5 100644
--- a/pkg/cni-plugin/plugin/ovs.go
+++ b/pkg/cni-plugin/plugin/ovs.go
@@ -12,7 +12,7 @@ import (
 )
 
 type OVSClient interface {
-	AddPort(bridge, port string) error
+	AddPort(bridge, port string, vlanId int) error
 	DeletePort(bridge, port string) error
 	SetIfaceId(id string, name string) error
 }
@@ -37,11 +37,20 @@ func newTimeoutCtx() context.Context {
 	return ctx
 }
 
-func (sw *ovsClient) AddPort(bridge, port string) error {
-	return sw.agentCli.W(sw.agentCli.VSwitch.AddBridgePort(newTimeoutCtx(), &pb.AddBridgePortRequest{
+func (sw *ovsClient) AddPort(bridge, port string, vlanId int) error {
+	/*return sw.agentCli.W(sw.agentCli.VSwitch.AddBridgePort(newTimeoutCtx(), &pb.AddBridgePortRequest{
 		Bridge: bridge,
 		Port:   port,
-	}))
+	}))*/
+	args := []string{"add-port", bridge, port}
+	if vlanId > 1 {
+		args = append(args, fmt.Sprintf("tag=%d", vlanId))
+	}
+	ovsCmd := exec.Command("ovs-vsctl", args...)
+	if out, err := ovsCmd.CombinedOutput(); err != nil {
+		return errors.Wrapf(err, "add port to ovs %v: %s", args, out)
+	}
+	return nil
 }
 
 func (sw *ovsClient) SetIfaceId(netId string, ifName string) error {
diff --git a/pkg/cni-plugin/plugin/types.go b/pkg/cni-plugin/plugin/types.go
index 738b60ecf..771c021b6 100644
--- a/pkg/cni-plugin/plugin/types.go
+++ b/pkg/cni-plugin/plugin/types.go
@@ -25,15 +25,19 @@ type PodNic struct {
 	Ifname    string     `json:"ifname"`
 	Interface string     `json:"interface"`
 	Ip        string     `json:"ip"`
+	Ip6       string     `json:"ip6"`
 	Mac       string     `json:"mac"`
 	Gateway   string     `json:"gateway"`
+	Gateway6  string     `json:"gateway6"`
 	Bandwidth int        `json:"bw"`
 	Dns       string     `json:"dns"`
 	Mtu       int        `json:"mtu"`
 	Masklen   int        `json:"masklen,omitempty"`
+	Masklen6  int        `json:"masklen6,omitempty"`
 	Domain    string     `json:"domain,omitempty"`
 	NetId     string     `json:"net_id"`
 	WireId    string     `json:"wire_id"`
+	Vlan      int        `json:"vlan"`
 	Vpc       *PodNicVpc `json:"vpc,omitempty"`
 }
 
diff --git a/pkg/cni-plugin/plugin/utils.go b/pkg/cni-plugin/plugin/utils.go
index 369e0be82..1b00170c6 100644
--- a/pkg/cni-plugin/plugin/utils.go
+++ b/pkg/cni-plugin/plugin/utils.go
@@ -173,7 +173,35 @@ func getNetworkConfig(idx int, nic PodNic, defaultGw bool) (*current.Interface,
 			GW:  defaultGateway,
 		}
 		routes = append(routes, route)
+
+	}
+	// process ipv6
+	if nic.Ip6 != "" {
+		ip6n, err := getIPNet(nic.Ip6, nic.Masklen6)
+		if err != nil {
+			return nil, nil, nil, errors.Wrap(err, "get ipv6 network")
+		}
+		gatewayIp6 := net.ParseIP(nic.Gateway6)
+		ip6Config := &current.IPConfig{
+			Version:   "6",
+			Interface: &idx,
+			Address:   *ip6n,
+			Gateway:   gatewayIp6,
+		}
+		ipConfigs = append(ipConfigs, ip6Config)
+
+		// add ipv6 default route if ipv6 is configured
+		if defaultGw {
+			_, defaultNet6, _ := net.ParseCIDR("::/0")
+			defaultGateway6 := net.ParseIP(nic.Gateway6)
+			route6 := &types.Route{
+				Dst: *defaultNet6,
+				GW:  defaultGateway6,
+			}
+			routes = append(routes, route6)
+		}
 	}
+
 	return ctrIf, ipConfigs, routes, nil
 }
 
@@ -250,7 +278,7 @@ func setupVeth(
 	}
 	hostIf.Mac = hostVeth.Attrs().HardwareAddr.String()
 
-	if err := cli.AddPort(nic.Bridge, hostIf.Name); err != nil {
+	if err := cli.AddPort(nic.Bridge, hostIf.Name, nic.Vlan); err != nil {
 		return nil, nil, errors.Wrapf(err, "Add port to OVS: %s -> %s", hostIf.Name, nic.Bridge)
 	}
 	if nic.Vpc != nil && nic.Vpc.Provider == POD_NIC_PROVIDER_OVN {