diff --git a/stp/stp_intf.c b/stp/stp_intf.c
index 982a0fb..0122f80 100755
--- a/stp/stp_intf.c
+++ b/stp/stp_intf.c
@@ -594,12 +594,20 @@ int stp_intf_event_mgr_init(void)
         STP_LOG_CRITICAL("netlink init failed");
         sys_assert(0);
     }
-
-    if (stp_netlink_recv_all(g_stpd_netlink_handle) == -1)
+    do
     {
-        STP_LOG_CRITICAL("error in intf db creation");
-        sys_assert(0);
+        if (stp_netlink_recv_all(g_stpd_netlink_handle) == -1)
+        {
+            STP_LOG_CRITICAL("error in intf db creation");
+            sys_assert(0);
+        }
+        if(!g_max_stp_port)
+        {
+            STP_LOG_INFO("Max port is 0,retry after 1 sec");
+            sleep(1);
+        }
     }
+    while(g_max_stp_port == 0 );
 
     g_max_stp_port = g_max_stp_port * 2; // Phy Ports + LAG
     STP_LOG_INFO("intf db done. max port %d", g_max_stp_port);
diff --git a/stp/stp_mgr.c b/stp/stp_mgr.c
index 21f438a..7739273 100755
--- a/stp/stp_mgr.c
+++ b/stp/stp_mgr.c
@@ -1899,15 +1899,14 @@ static void stpmgr_process_ipc_msg(STP_IPC_MSG *msg, int len, struct sockaddr_un
         }
         case STP_BRIDGE_CONFIG:
         {
-            stpmgr_process_bridge_config_msg(msg->data);
-            /*if(msg->proto_mode == L2_PVSTP)
+            if(msg->proto_mode == L2_PVSTP)
             {
                 stpmgr_process_bridge_config_msg(msg->data);
             }
             else if(msg->proto_mode == L2_MSTP)
             {
                 mstpmgr_process_bridge_config_msg(msg->data);
-            }*/
+            }
             break;
         }
         case STP_VLAN_CONFIG:
@@ -1922,15 +1921,14 @@ static void stpmgr_process_ipc_msg(STP_IPC_MSG *msg, int len, struct sockaddr_un
         }
         case STP_PORT_CONFIG:
         {
-            stpmgr_process_intf_config_msg(msg->data);
-            /*if(msg->proto_mode == L2_PVSTP)
+            if(msg->proto_mode == L2_PVSTP)
             {
                 stpmgr_process_intf_config_msg(msg->data);
             }
             else if(msg->proto_mode == L2_MSTP)
             {
                 mstpmgr_process_intf_config_msg(msg->data);
-            }*/
+            }
             break;
         }
         case STP_VLAN_MEM_CONFIG:
@@ -1964,7 +1962,8 @@ static void stpmgr_process_ipc_msg(STP_IPC_MSG *msg, int len, struct sockaddr_un
         }
         case STP_MST_VLAN_PORT_LIST_CONFIG:
         {
-            mstpmgr_process_vlan_mem_config_msg(msg->data);
+            if (msg->proto_mode == L2_MSTP)
+                mstpmgr_process_vlan_mem_config_msg(msg->data);
             break;
         }
         case STP_MST_INST_PORT_CONFIG: