diff --git a/Platform/user/configm/config-server/include/netconfig.h b/Platform/user/configm/config-server/include/netconfig.h
index a7ea8ce78..727779e88 100644
--- a/Platform/user/configm/config-server/include/netconfig.h
+++ b/Platform/user/configm/config-server/include/netconfig.h
@@ -7,6 +7,6 @@ ret_code if_ioctl(unsigned long request, caddr_t ifreq, int *ret);
 ret_code if_set_up(char *ifname, int *code);
 ret_code if_set_down(char *ifname, int *code);
 
-int net_main();
+ret_code net_main();
 #endif
 
diff --git a/Platform/user/configm/config-server/netconfig/bridge/brconfig.c b/Platform/user/configm/config-server/netconfig/bridge/brconfig.c
index a26ff4ec1..e08d5e05f 100644
--- a/Platform/user/configm/config-server/netconfig/bridge/brconfig.c
+++ b/Platform/user/configm/config-server/netconfig/bridge/brconfig.c
@@ -329,7 +329,9 @@ ret_code br_bridge_add(char *br_name, int *sys_err)
     {
         return RET_SYSERR;
     }
-        
+
+    if_set_up(br_name, sys_err);
+    
     br_invoke_event(BR_CREATE_EVENT, event_arg);
     
     br_save_file(BR_CREATE_EVENT, br_name, NULL);
@@ -344,6 +346,8 @@ ret_code br_bridge_del(char * br_name, int *sys_err)
     
     br_invoke_event(BR_DELETE_EVENT_PRE, event_arg);
     
+    if_set_down(br_name, sys_err);
+    
     sys_ret = br_del_bridge(br_name);
     *sys_err = sys_ret;
     
diff --git a/Platform/user/configm/config-server/netconfig/netmain.c b/Platform/user/configm/config-server/netconfig/netmain.c
index 88cd44c8a..5d989c5a8 100644
--- a/Platform/user/configm/config-server/netconfig/netmain.c
+++ b/Platform/user/configm/config-server/netconfig/netmain.c
@@ -2,7 +2,7 @@
 #include "netconfig.h"
 
 
-int net_main()
+ret_code net_main()
 {   
    br_bridge_init(); 
 }