diff --git a/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java b/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
index 8b996d1bfed..9e40eefc11a 100755
--- a/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
+++ b/core/src/com/cloud/agent/resource/virtualnetwork/VirtualRoutingResource.java
@@ -642,7 +642,7 @@ public class VirtualRoutingResource implements Manager {
         for (IpAliasTO ipAliasTO : revokedIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
         }
-        args = args + " " ;
+        args = args + "- " ;
         List<IpAliasTO> activeIpAliasTOs = cmd.getCreateIpAliasTos();
         for (IpAliasTO ipAliasTO : activeIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
diff --git a/patches/systemvm/debian/config/root/deleteIpAlias.sh b/patches/systemvm/debian/config/root/deleteIpAlias.sh
index 865ff3b4769..cf6d4de5269 100755
--- a/patches/systemvm/debian/config/root/deleteIpAlias.sh
+++ b/patches/systemvm/debian/config/root/deleteIpAlias.sh
@@ -24,7 +24,7 @@ set -x
 var="$1"
 cert="/root/.ssh/id_rsa.cloud"
 
-while [ -n "$var" ]
+while [[ !( "$var" == "-" ) ]]
 do
  var1=$(echo $var | cut -f1 -d "-")
  alias_count=$( echo $var1 | cut -f1 -d ":" )
diff --git a/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java b/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
index 5f99a152fdd..bcd02d49517 100755
--- a/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
+++ b/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
@@ -1976,7 +1976,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         for (IpAliasTO ipAliasTO : revokedIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
         }
-        args = args + " " ;
+        args = args + "- " ;
         for (IpAliasTO ipAliasTO : activeIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
         }
diff --git a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
index a2cceb14d90..66f96ad7ba6 100644
--- a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
+++ b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
@@ -2006,7 +2006,8 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
         for (IpAliasTO ipAliasTO : revokedIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
         }
-        args = args + " " ;
+        //this is to ensure that thre is some argument passed to the deleteipAlias script  when there are no revoked rules.
+        args = args + "- " ;
         List<IpAliasTO> activeIpAliasTOs = cmd.getCreateIpAliasTos();
         for (IpAliasTO ipAliasTO : activeIpAliasTOs) {
             args = args + ipAliasTO.getAlias_count()+":"+ipAliasTO.getRouterip()+":"+ipAliasTO.getNetmask()+"-";
diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index 020dbda4ed4..f7e77f3cff6 100755
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -2473,18 +2473,21 @@ public class VirtualNetworkApplianceManagerImpl extends ManagerBase implements V
         //Reapply dhcp and dns configuration.
         if (_networkModel.isProviderSupportServiceInNetwork(guestNetworkId, Service.Dhcp, provider)) {
             List<NicIpAliasVO> revokedIpAliasVOs = _nicIpAliasDao.listByNetworkIdAndState(guestNetworkId, NicIpAlias.state.revoked);
-            s_logger.debug("Found" + revokedIpAliasVOs.size() + "ip Aliases to apply on the router as a part of dhco configuration");
+            s_logger.debug("Found" + revokedIpAliasVOs.size() + "ip Aliases to revoke on the router as a part of dhcp configuration");
             List<IpAliasTO> revokedIpAliasTOs = new ArrayList<IpAliasTO>();
             for (NicIpAliasVO revokedAliasVO : revokedIpAliasVOs) {
                 revokedIpAliasTOs.add(new IpAliasTO(revokedAliasVO.getIp4Address(), revokedAliasVO.getNetmask(), revokedAliasVO.getAliasCount().toString()));
             }
             List<NicIpAliasVO> aliasVOs = _nicIpAliasDao.listByNetworkIdAndState(guestNetworkId, NicIpAlias.state.active);
-            s_logger.debug("Found" + aliasVOs.size() + "ip Aliases to apply on the router as a part of dhco configuration");
+            s_logger.debug("Found" + aliasVOs.size() + "ip Aliases to apply on the router as a part of dhcp configuration");
             List<IpAliasTO> activeIpAliasTOs = new ArrayList<IpAliasTO>();
             for (NicIpAliasVO aliasVO : aliasVOs) {
                    activeIpAliasTOs.add(new IpAliasTO(aliasVO.getIp4Address(), aliasVO.getNetmask(), aliasVO.getAliasCount().toString()));
             }
-            createDeleteIpAliasCommand(router, revokedIpAliasTOs, activeIpAliasTOs, guestNetworkId, cmds);
+            if (revokedIpAliasTOs.size() != 0 || activeIpAliasTOs.size() != 0){
+                createDeleteIpAliasCommand(router, revokedIpAliasTOs, activeIpAliasTOs, guestNetworkId, cmds);
+                configDnsMasq(router, _networkDao.findById(guestNetworkId), cmds);
+            }
 
         }
     }
@@ -2844,13 +2847,13 @@ public class VirtualNetworkApplianceManagerImpl extends ManagerBase implements V
 
             Commands cmds = new Commands(OnError.Continue);
             List<NicIpAliasVO> revokedIpAliasVOs = _nicIpAliasDao.listByNetworkIdAndState(network.getId(), NicIpAlias.state.revoked);
-            s_logger.debug("Found" + revokedIpAliasVOs.size() + "ip Aliases to apply on the router as a part of dhco configuration");
+            s_logger.debug("Found" + revokedIpAliasVOs.size() + "ip Aliases to revoke on the router as a part of dhcp configuration");
             List<IpAliasTO> revokedIpAliasTOs = new ArrayList<IpAliasTO>();
             for (NicIpAliasVO revokedAliasVO : revokedIpAliasVOs) {
                 revokedIpAliasTOs.add(new IpAliasTO(revokedAliasVO.getIp4Address(), revokedAliasVO.getNetmask(), revokedAliasVO.getAliasCount().toString()));
             }
             List<NicIpAliasVO> aliasVOs = _nicIpAliasDao.listByNetworkIdAndState(network.getId(), NicIpAlias.state.active);
-            s_logger.debug("Found" + aliasVOs.size() + "ip Aliases to apply on the router as a part of dhco configuration");
+            s_logger.debug("Found" + aliasVOs.size() + "ip Aliases to apply on the router as a part of dhcp configuration");
             List<IpAliasTO> activeIpAliasTOs = new ArrayList<IpAliasTO>();
             for (NicIpAliasVO aliasVO : aliasVOs) {
                 activeIpAliasTOs.add(new IpAliasTO(aliasVO.getIp4Address(), aliasVO.getNetmask(), aliasVO.getAliasCount().toString()));