diff --git a/cmd/network/evpn-logical-brige.go b/cmd/network/evpn-logical-brige.go
index eb1645f..ffc0ade 100644
--- a/cmd/network/evpn-logical-brige.go
+++ b/cmd/network/evpn-logical-brige.go
@@ -192,6 +192,7 @@ func ListLogicalBridges() *cobra.Command {
 func UpdateLogicalBridge() *cobra.Command {
 	var addr string
 	var name string
+	var allowMissing bool
 	var updateMask []string
 	cmd := &cobra.Command{
 		Use:   "update-lb",
@@ -204,7 +205,7 @@ func UpdateLogicalBridge() *cobra.Command {
 			}
 			defer cancel()
 
-			lb, err := evpnClient.UpdateLogicalBridge(ctx, name, updateMask)
+			lb, err := evpnClient.UpdateLogicalBridge(ctx, name, updateMask, allowMissing)
 			if err != nil {
 				log.Fatalf("failed to update logical bridge: %v", err)
 			}
@@ -215,6 +216,7 @@ func UpdateLogicalBridge() *cobra.Command {
 	cmd.Flags().StringVar(&name, "name", "", "name of the logical bridge")
 	cmd.Flags().StringSliceVar(&updateMask, "update-mask", nil, "update mask")
 	cmd.Flags().StringVar(&addr, "addr", "localhost:50151", "address of OPI gRPC server")
+	cmd.Flags().BoolVarP(&allowMissing, "allowMissing", "a", false, "Specify allow missing")
 
 	return cmd
 }
diff --git a/network/bridge_port.go b/network/bridge_port.go
index 6269291..6202396 100644
--- a/network/bridge_port.go
+++ b/network/bridge_port.go
@@ -7,6 +7,7 @@ package network
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"net"
@@ -25,7 +26,9 @@ func (c evpnClientImpl) CreateBridgePort(ctx context.Context, name string, mac s
 		return nil, err
 	}
 	defer closer()
-
+	if mac == "" || bridgePortType == "" {
+		return nil, errors.New("required parameter [mac, bridgePortType] wasn't passed ")
+	}
 	client := c.getEvpnBridgePortClient(conn)
 	macBytes, err := net.ParseMAC(mac)
 	if err != nil {
@@ -67,6 +70,9 @@ func (c evpnClientImpl) DeleteBridgePort(ctx context.Context, name string, allow
 	}
 	defer closer()
 
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
 	client := c.getEvpnBridgePortClient(conn)
 	data, err := client.DeleteBridgePort(ctx, &pb.DeleteBridgePortRequest{
 		Name:         resourceIDToFullName("ports", name),
@@ -89,6 +95,10 @@ func (c evpnClientImpl) GetBridgePort(ctx context.Context, name string) (*pb.Bri
 	}
 	defer closer()
 
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
+
 	client := c.getEvpnBridgePortClient(conn)
 	data, err := client.GetBridgePort(ctx, &pb.GetBridgePortRequest{
 		Name: resourceIDToFullName("ports", name),
diff --git a/network/evpn.go b/network/evpn.go
index ce7672b..bbdeb44 100644
--- a/network/evpn.go
+++ b/network/evpn.go
@@ -45,7 +45,7 @@ type EvpnClient interface {
 	DeleteLogicalBridge(ctx context.Context, name string, allowMissing bool) (*emptypb.Empty, error)
 	GetLogicalBridge(ctx context.Context, name string) (*pb.LogicalBridge, error)
 	ListLogicalBridges(ctx context.Context, pageSize int32, pageToken string) (*pb.ListLogicalBridgesResponse, error)
-	UpdateLogicalBridge(ctx context.Context, name string, updateMask []string) (*pb.LogicalBridge, error)
+	UpdateLogicalBridge(ctx context.Context, name string, updateMask []string, allowMissing bool) (*pb.LogicalBridge, error)
 
 	// Bridge Port Interfaces
 	CreateBridgePort(ctx context.Context, name string, mac string, bridgePortType string, logicalBridges []string) (*pb.BridgePort, error)
diff --git a/network/logical_bridge.go b/network/logical_bridge.go
index 64aee26..97f2755 100644
--- a/network/logical_bridge.go
+++ b/network/logical_bridge.go
@@ -67,6 +67,9 @@ func (c evpnClientImpl) DeleteLogicalBridge(ctx context.Context, name string, al
 	}
 	defer closer()
 
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
 	client := c.getEvpnLogicalBridgeClient(conn)
 
 	data, err := client.DeleteLogicalBridge(ctx, &pb.DeleteLogicalBridgeRequest{
@@ -90,6 +93,9 @@ func (c evpnClientImpl) GetLogicalBridge(ctx context.Context, name string) (*pb.
 	}
 	defer closer()
 
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
 	client := c.getEvpnLogicalBridgeClient(conn)
 
 	data, err := client.GetLogicalBridge(ctx, &pb.GetLogicalBridgeRequest{
@@ -127,7 +133,7 @@ func (c evpnClientImpl) ListLogicalBridges(ctx context.Context, pageSize int32,
 }
 
 // UpdateLogicalBridge update Logical Bridge on OPI server
-func (c evpnClientImpl) UpdateLogicalBridge(ctx context.Context, name string, updateMask []string) (*pb.LogicalBridge, error) {
+func (c evpnClientImpl) UpdateLogicalBridge(ctx context.Context, name string, updateMask []string, allowMissing bool) (*pb.LogicalBridge, error) {
 	conn, closer, err := c.NewConn()
 	if err != nil {
 		log.Printf("error creating connection: %s\n", err)
@@ -142,6 +148,7 @@ func (c evpnClientImpl) UpdateLogicalBridge(ctx context.Context, name string, up
 	data, err := client.UpdateLogicalBridge(ctx, &pb.UpdateLogicalBridgeRequest{
 		LogicalBridge: Bridge,
 		UpdateMask:    &fieldmaskpb.FieldMask{Paths: updateMask},
+		AllowMissing:  allowMissing,
 	})
 	if err != nil {
 		log.Printf("error Update logical bridge: %s\n", err)
diff --git a/network/logical_bridge_test.go b/network/logical_bridge_test.go
index 0c9a0c0..7488e7f 100644
--- a/network/logical_bridge_test.go
+++ b/network/logical_bridge_test.go
@@ -407,7 +407,7 @@ func TestUpdateLogicalBridge(t *testing.T) {
 				},
 			)
 
-			response, err := c.UpdateLogicalBridge(context.Background(), name, updateMask)
+			response, err := c.UpdateLogicalBridge(context.Background(), name, updateMask, allowMissing)
 
 			assert.Equal(t, tt.wantErr, err)
 			assert.Equal(t, tt.wantConnClosed, connClosed)
diff --git a/network/svi.go b/network/svi.go
index 4de9628..0cb4013 100644
--- a/network/svi.go
+++ b/network/svi.go
@@ -7,6 +7,7 @@ package network
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"log"
 	"net"
@@ -27,6 +28,10 @@ func (c evpnClientImpl) CreateSvi(ctx context.Context, name string, vrf string,
 
 	client := c.getEvpnSVIClient(conn)
 
+	if vrf == "" || mac == "" || len(gwIPs) == 0 {
+		return nil, errors.New("one of the required together parameter [vrf, mac, gwIPs] wasn't passed ")
+	}
+
 	gwPrefixes, err := parseIPPrefixes(gwIPs)
 	if err != nil {
 		log.Printf("error parsing GwIPs: %s\n", err)
@@ -66,6 +71,11 @@ func (c evpnClientImpl) DeleteSvi(ctx context.Context, name string, allowMissing
 		return nil, err
 	}
 	defer closer()
+
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
+
 	client := c.getEvpnSVIClient(conn)
 	data, err := client.DeleteSvi(ctx, &pb.DeleteSviRequest{
 		Name:         resourceIDToFullName("svis", name),
@@ -87,6 +97,11 @@ func (c evpnClientImpl) GetSvi(ctx context.Context, name string) (*pb.Svi, error
 		return nil, err
 	}
 	defer closer()
+
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
+
 	client := c.getEvpnSVIClient(conn)
 	data, err := client.GetSvi(ctx, &pb.GetSviRequest{
 		Name: resourceIDToFullName("svis", name),
diff --git a/network/vrf.go b/network/vrf.go
index 146c006..8672d33 100644
--- a/network/vrf.go
+++ b/network/vrf.go
@@ -27,15 +27,14 @@ func (c evpnClientImpl) CreateVrf(ctx context.Context, name string, vni *uint32,
 	defer closer()
 
 	client := c.getEvpnVRFClient(conn)
+	if loopbackIP == "" {
+		return nil, errors.New("required together parameter [loopbackIP] wasn't passed ")
+	}
 	ipLoopback, err := parseIPAndPrefix(loopbackIP)
 	if err != nil {
 		log.Printf("parseIPAndPrefix: error creating vrf: %s\n", err)
 		return nil, err
 	}
-	if (vni == nil && vtepIP != "") || (vni != nil && vtepIP == "") {
-		return nil, errors.New("one of the required together parameter [vni, vtep] wasn't passed ")
-	}
-
 	if vni != nil && vtepIP != "" {
 		ipVtep, err = parseIPAndPrefix(vtepIP)
 		if err != nil {
@@ -69,6 +68,11 @@ func (c evpnClientImpl) DeleteVrf(ctx context.Context, name string, allowMissing
 		return nil, err
 	}
 	defer closer()
+
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
+
 	client := c.getEvpnVRFClient(conn)
 	data, err := client.DeleteVrf(ctx, &pb.DeleteVrfRequest{
 		Name:         resourceIDToFullName("vrfs", name),
@@ -90,6 +94,11 @@ func (c evpnClientImpl) GetVrf(ctx context.Context, name string) (*pb.Vrf, error
 		return nil, err
 	}
 	defer closer()
+
+	if name == "" {
+		return nil, errors.New("required parameter [name] wasn't passed ")
+	}
+
 	client := c.getEvpnVRFClient(conn)
 	data, err := client.GetVrf(ctx, &pb.GetVrfRequest{
 		Name: resourceIDToFullName("vrfs", name),