diff --git a/plstackapi/core/api/deployment_networks.py b/plstackapi/core/api/deployment_networks.py
index 812ca15..80b4ff3 100644
--- a/plstackapi/core/api/deployment_networks.py
+++ b/plstackapi/core/api/deployment_networks.py
@@ -2,7 +2,17 @@
 from plstackapi.openstack.driver import OpenStackDriver
 from plstackapi.core.api.auth import auth_check
 from plstackapi.core.models import DeploymentNetwork
- 
+
+def _get_deployment_networks(filter):
+    if isinstance(filter, int):
+        deployment_networks = DeploymentNetwork.objects.filter(id=filter)
+    elif isinstance(filter, StringTypes):
+        deployment_networks = DeploymentNetwork.objects.filter(name=filter)
+    elif isinstance(filer, dict):
+        deployment_networks = DeploymentNetwork.objects.filter(**filter)
+    else:
+        deployment_networks = []
+    return deployment_networks 
 
 def add_deployment_network(auth, name):
     auth_check(auth)    
@@ -12,14 +22,14 @@
 
 def delete_deployment_network(auth, filter={}):
     auth_check(auth)   
-    deployments = DeploymentNetwork.objects.filter(**filter)
+    deployments = _get_deployment_networks(filter)
     for deployment in deployments:
         deployment.delete()
     return 1
 
 def get_deployment_networks(auth, filter={}):
     auth_check(auth)   
-    deployments = DeploymentNetwork.objects.filter(**filter)
+    deployments = _get_deployment_networks(filter)
     return deployments