diff --git a/go-server-server/go/default.go b/go-server-server/go/default.go
index 7ea4a45..f0c5053 100644
--- a/go-server-server/go/default.go
+++ b/go-server-server/go/default.go
@@ -871,6 +871,7 @@ func ConfigVrouterVrfIdGet(w http.ResponseWriter, r *http.Request) {
         VnetName: vars["vnet_name"],
         Attr: VnetModel{
             Vnid: vnid,
+            Ipv4MaxRoutes: 0,
         },
     }
 
@@ -933,6 +934,7 @@ func ConfigVrouterVrfIdPost(w http.ResponseWriter, r *http.Request) {
     pt.Set(vnet_id_str, map[string]string{
         "vxlan_tunnel": "default_vxlan_tunnel",
         "vni": strconv.Itoa(attr.Vnid),
+        "ipv4_max_routes": "",
         "guid": vars["vnet_name"],
     }, "SET", "")
 
diff --git a/go-server-server/go/models.go b/go-server-server/go/models.go
index 4e7b1f8..b5c6ce9 100644
--- a/go-server-server/go/models.go
+++ b/go-server-server/go/models.go
@@ -118,6 +118,7 @@ type TunnelDecapReturnModel struct {
 
 type VnetModel struct {
     Vnid int `json:"vnid"`
+    Ipv4MaxRoutes int `json:"ipv4_max_routes,omitempty"`
 }
 
 type VnetReturnModel struct {
@@ -309,6 +310,7 @@ func (m *TunnelDecapModel) UnmarshalJSON(data []byte) (err error) {
 func (m *VnetModel) UnmarshalJSON(data []byte) (err error) {
     required := struct {
         Vnid *int `json:"vnid"`
+        Ipv4MaxRoutes *int `json:"ipv4_max_routes,omitempty"`
     }{}
 
     err = json.Unmarshal(data, &required)
@@ -328,6 +330,7 @@ func (m *VnetModel) UnmarshalJSON(data []byte) (err error) {
     }
 
     m.Vnid = *required.Vnid
+    m.Ipv4MaxRoutes = 0
 
     return
 }
diff --git a/sonic_api.yaml b/sonic_api.yaml
index 7e86d10..f1fe6c8 100644
--- a/sonic_api.yaml
+++ b/sonic_api.yaml
@@ -1337,11 +1337,16 @@ definitions:
     type: object
     required:
       - vnid
+      - max_routes
     properties:
       vnid:
         type: integer
         format: int32
         description: vnid
+      max_routes:
+        type: integer
+        format: int32
+        description: maximum routes per vrf
   VlanEntry:
     type: object
     properties: