diff --git a/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java b/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
index 4f0fda62e2e..9c840c459cf 100755
--- a/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
+++ b/ovm/src/com/cloud/ovm/hypervisor/OvmDiscoverer.java
@@ -74,12 +74,11 @@ public class OvmDiscoverer extends DiscovererBase implements Discoverer,
 	}
 
 	private boolean checkIfExisted(String guid) {
-		SearchCriteria2<HostVO, Long> sc = SearchCriteria2.create(HostVO.class,
-				Long.class);
+		SearchCriteria2<HostVO, HostVO> sc = SearchCriteria2.create(HostVO.class);
 		sc.addAnd(sc.getEntity().getGuid(), SearchCriteria.Op.EQ, guid);
 		sc.addAnd(sc.getEntity().getHypervisorType(), SearchCriteria.Op.EQ,
 				HypervisorType.Ovm);
-		List<Long> hosts = sc.list();
+		List<HostVO> hosts = sc.list();
 		return !hosts.isEmpty();
 	}
 
diff --git a/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java b/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
index 6ff983d942f..b7ab51e21f1 100755
--- a/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
+++ b/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
@@ -21,6 +21,8 @@ import com.cloud.agent.api.Answer;
 import com.cloud.agent.api.AttachIsoCommand;
 import com.cloud.agent.api.AttachVolumeAnswer;
 import com.cloud.agent.api.AttachVolumeCommand;
+import com.cloud.agent.api.CheckNetworkAnswer;
+import com.cloud.agent.api.CheckNetworkCommand;
 import com.cloud.agent.api.CheckVirtualMachineAnswer;
 import com.cloud.agent.api.CheckVirtualMachineCommand;
 import com.cloud.agent.api.CleanupNetworkRulesCmd;
@@ -78,6 +80,7 @@ import com.cloud.agent.api.to.VirtualMachineTO;
 import com.cloud.agent.api.to.VolumeTO;
 import com.cloud.host.Host.Type;
 import com.cloud.hypervisor.Hypervisor.HypervisorType;
+import com.cloud.network.PhysicalNetworkSetupInfo;
 import com.cloud.network.Networks.BroadcastDomainType;
 import com.cloud.network.Networks.TrafficType;
 import com.cloud.ovm.object.Connection;
@@ -106,6 +109,7 @@ import com.cloud.vm.DiskProfile;
 import com.cloud.vm.VirtualMachine;
 import com.cloud.vm.VirtualMachine.State;
 import com.trilead.ssh2.SCPClient;
+import com.xensource.xenapi.Types.XenAPIException;
 
 public class OvmResourceBase implements ServerResource, HypervisorResource {
 	private static final Logger s_logger = Logger.getLogger(OvmResourceBase.class);
@@ -125,6 +129,7 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
     String _guestNetworkName;
     boolean _canBridgeFirewall;
     static boolean _isHeartBeat = false;
+    List<String> _bridges = null;
 	protected HashMap<String, State> _vms = new HashMap<String, State>(50);
 	static HashMap<String, State> _stateMaps;
 	private final Map<String, Pair<Long, Long>> _vmNetworkStats= new ConcurrentHashMap<String, Pair<Long, Long>>();
@@ -197,26 +202,25 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
 		}
 		
         _conn = new Connection(_ip, _agentUserName, _agentPassword);
-        List<String> bridges = null;
         try {
 			OvmHost.registerAsMaster(_conn);
 			OvmHost.registerAsVmServer(_conn);
-			bridges = OvmBridge.getAllBridges(_conn);
+			_bridges = OvmBridge.getAllBridges(_conn);
 		} catch (XmlRpcException e) {
 			s_logger.debug("Get bridges failed", e);
 			throw new ConfigurationException("Cannot get bridges on host " + _ip + "," + e.getMessage());
 		}
 		
-		if (_privateNetworkName != null && !bridges.contains(_privateNetworkName)) {
-			throw new ConfigurationException("Cannot find bridge " + _privateNetworkName + " on host " + _ip + ", all bridges are:" + bridges);
+		if (_privateNetworkName != null && !_bridges.contains(_privateNetworkName)) {
+			throw new ConfigurationException("Cannot find bridge " + _privateNetworkName + " on host " + _ip + ", all bridges are:" + _bridges);
 		}
 		
-		if (_publicNetworkName != null && !bridges.contains(_publicNetworkName)) {
-			throw new ConfigurationException("Cannot find bridge " + _publicNetworkName + " on host " + _ip + ", all bridges are:" + bridges);
+		if (_publicNetworkName != null && !_bridges.contains(_publicNetworkName)) {
+			throw new ConfigurationException("Cannot find bridge " + _publicNetworkName + " on host " + _ip + ", all bridges are:" + _bridges);
 		}
 		
-		if (_guestNetworkName != null && !bridges.contains(_guestNetworkName)) {
-			throw new ConfigurationException("Cannot find bridge " + _guestNetworkName + " on host " + _ip + ", all bridges are:" + bridges);
+		if (_guestNetworkName != null && !_bridges.contains(_guestNetworkName)) {
+			throw new ConfigurationException("Cannot find bridge " + _guestNetworkName + " on host " + _ip + ", all bridges are:" + _bridges);
 		}
         
 		/* set to false so each time ModifyStoragePoolCommand will re-setup heartbeat*/
@@ -1225,6 +1229,54 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
 		return new Answer(cmd);
 	}
 	
+	protected CheckNetworkAnswer execute(CheckNetworkCommand cmd) {
+        if (s_logger.isDebugEnabled()) {
+            s_logger.debug("Checking if network name setup is done on the resource");
+        }
+
+		List<PhysicalNetworkSetupInfo> infoList = cmd.getPhysicalNetworkInfoList();
+
+		boolean errorout = false;
+		String msg = "";
+		for (PhysicalNetworkSetupInfo info : infoList) {
+			if (!isNetworkSetupByName(info.getGuestNetworkName())) {
+				msg = "For Physical Network id:" + info.getPhysicalNetworkId() + ", Guest Network is not configured on the backend by name "
+				        + info.getGuestNetworkName();
+				errorout = true;
+				break;
+			}
+			if (!isNetworkSetupByName(info.getPrivateNetworkName())) {
+				msg = "For Physical Network id:" + info.getPhysicalNetworkId() + ", Private Network is not configured on the backend by name "
+				        + info.getPrivateNetworkName();
+				errorout = true;
+				break;
+			}
+			if (!isNetworkSetupByName(info.getPublicNetworkName())) {
+				msg = "For Physical Network id:" + info.getPhysicalNetworkId() + ", Public Network is not configured on the backend by name "
+				        + info.getPublicNetworkName();
+				errorout = true;
+				break;
+			}
+		}
+		
+		if (errorout) {
+			s_logger.error(msg);
+			return new CheckNetworkAnswer(cmd, false, msg);
+		} else {
+			return new CheckNetworkAnswer(cmd, true, "Network Setup check by names is done");
+		}
+    }
+
+    private boolean isNetworkSetupByName(String nameTag) {
+        if (nameTag != null) {
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug("Looking for network setup by name " + nameTag);
+            }
+            return _bridges.contains(nameTag);
+        }
+        return true;
+    }    
+    
 	@Override
 	public Answer executeRequest(Command cmd) {
 		Class<? extends Command> clazz = cmd.getClass();
@@ -1282,6 +1334,8 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
 			return execute((CopyVolumeCommand)cmd);
 		} else if (clazz == DeleteStoragePoolCommand.class) {
 			return execute((DeleteStoragePoolCommand)cmd);
+		} else if (clazz == CheckNetworkCommand.class) {
+			return execute((CheckNetworkCommand)cmd);
 		} else {
 			return Answer.createUnsupportedCommandAnswer(cmd);
 		}
diff --git a/server/src/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java b/server/src/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
old mode 100644
new mode 100755
index ceaacaa5d90..9da2e5c3434
--- a/server/src/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
+++ b/server/src/com/cloud/network/dao/PhysicalNetworkTrafficTypeDaoImpl.java
@@ -37,6 +37,7 @@ public class PhysicalNetworkTrafficTypeDaoImpl extends GenericDaoBase<PhysicalNe
     final GenericSearchBuilder<PhysicalNetworkTrafficTypeVO, String> xenAllFieldsSearch;
     final GenericSearchBuilder<PhysicalNetworkTrafficTypeVO, String> vmWareAllFieldsSearch;
     final GenericSearchBuilder<PhysicalNetworkTrafficTypeVO, String> simulatorAllFieldsSearch;
+    final GenericSearchBuilder<PhysicalNetworkTrafficTypeVO, String> ovmAllFieldsSearch;
 
     protected PhysicalNetworkTrafficTypeDaoImpl() {
         super();
@@ -69,6 +70,11 @@ public class PhysicalNetworkTrafficTypeDaoImpl extends GenericDaoBase<PhysicalNe
         simulatorAllFieldsSearch.selectField(simulatorAllFieldsSearch.entity().getSimulatorNetworkLabel());
         simulatorAllFieldsSearch.done();
         
+        ovmAllFieldsSearch = createSearchBuilder(String.class);
+        ovmAllFieldsSearch.and("physicalNetworkId", ovmAllFieldsSearch.entity().getPhysicalNetworkId(), Op.EQ);
+        ovmAllFieldsSearch.and("trafficType", ovmAllFieldsSearch.entity().getTrafficType(), Op.EQ);
+        ovmAllFieldsSearch.selectField(ovmAllFieldsSearch.entity().getSimulatorNetworkLabel());
+        ovmAllFieldsSearch.done();
     }
 
     @Override
@@ -101,6 +107,8 @@ public class PhysicalNetworkTrafficTypeDaoImpl extends GenericDaoBase<PhysicalNe
             sc = vmWareAllFieldsSearch.create();
         } else if (hType == HypervisorType.Simulator) {
         	sc = simulatorAllFieldsSearch.create();
+        } else if (hType == HypervisorType.Ovm) {
+        	sc = ovmAllFieldsSearch.create();
         } else {
             assert(false) : "We don't handle this hypervisor type";
             return null;
diff --git a/setup/db/create-schema.sql b/setup/db/create-schema.sql
index c3c2725bdae..ed39d73b994 100755
--- a/setup/db/create-schema.sql
+++ b/setup/db/create-schema.sql
@@ -1978,6 +1978,7 @@ CREATE TABLE `cloud`.`physical_network_traffic_types` (
   `kvm_network_label` varchar(255) DEFAULT 'cloudbr0' COMMENT 'The network name label of the physical device dedicated to this traffic on a KVM host',
   `vmware_network_label` varchar(255) DEFAULT 'vSwitch0' COMMENT 'The network name label of the physical device dedicated to this traffic on a VMware host',
   `simulator_network_label` varchar(255) COMMENT 'The name labels needed for identifying the simulator',
+  `ovm_network_label` varchar(255) COMMENT 'The network name label of the physical device dedicated to this traffic on a Ovm host',
   `vlan` varchar(255) COMMENT 'The vlan tag to be sent down to a VMware host',
   PRIMARY KEY (`id`),
   CONSTRAINT `fk_physical_network_traffic_types__physical_network_id` FOREIGN KEY (`physical_network_id`) REFERENCES `physical_network`(`id`) ON DELETE CASCADE,
diff --git a/setup/db/db/schema-2214to30.sql b/setup/db/db/schema-2214to30.sql
index f32a0a05eda..91009305d14 100755
--- a/setup/db/db/schema-2214to30.sql
+++ b/setup/db/db/schema-2214to30.sql
@@ -645,3 +645,5 @@ UPDATE `cloud`.`configuration` SET category = 'Hidden' WHERE name = 'ovm.guest.n
 UPDATE `cloud`.`configuration` SET category = 'Hidden' WHERE name = 'kvm.public.network.device';
 UPDATE `cloud`.`configuration` SET category = 'Hidden' WHERE name = 'kvm.private.network.device';
 UPDATE `cloud`.`configuration` SET category = 'Hidden' WHERE name = 'kvm.guest.network.device';
+
+ALTER TABLE `cloud`.`physical_network_traffic_types` ADD COLUMN `ovm_network_label` varchar(255) COMMENT 'The network name label of the physical device dedicated to this traffic on a Ovm host';