diff --git a/plstackapi/core/api/subnets.py b/plstackapi/core/api/subnets.py
index a2417bc..44cd56f 100644
--- a/plstackapi/core/api/subnets.py
+++ b/plstackapi/core/api/subnets.py
@@ -42,7 +42,8 @@
 
     # add subnet as interface to slice's router
     driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)     
-    
+    add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
+    commands.getstatusoutput(add_route)    
     subnet.save()
     return subnet
 
@@ -56,6 +57,8 @@
         driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
         driver.delete_subnet(subnet.subnet_id) 
         subnet.delete()
+    del_route = 'route del -net %s' % self.cidr
+    commands.getstatusoutput(del_route)
     return 1
 
 def get_subnets(auth, filter={}):