diff --git a/api/src/com/cloud/api/ApiConstants.java b/api/src/com/cloud/api/ApiConstants.java
index 665bfac9527..49ef2b94ef5 100755
--- a/api/src/com/cloud/api/ApiConstants.java
+++ b/api/src/com/cloud/api/ApiConstants.java
@@ -331,6 +331,7 @@ public class ApiConstants {
     public static final String SORT_BY = "sortby";
     public static final String CHANGE_CIDR = "changecidr";
     public static final String PURPOSE = "purpose";
+    public static final String IS_TAGGED = "istagged";
     
     public enum HostDetails {
         all, capacity, events, stats, min;
diff --git a/api/src/com/cloud/api/commands/ListNetworkOfferingsCmd.java b/api/src/com/cloud/api/commands/ListNetworkOfferingsCmd.java
index 98ffe270d91..533da004414 100644
--- a/api/src/com/cloud/api/commands/ListNetworkOfferingsCmd.java
+++ b/api/src/com/cloud/api/commands/ListNetworkOfferingsCmd.java
@@ -28,7 +28,6 @@ import com.cloud.api.BaseListCmd;
 import com.cloud.api.IdentityMapper;
 import com.cloud.api.Implementation;
 import com.cloud.api.Parameter;
-import com.cloud.api.BaseCmd.CommandType;
 import com.cloud.api.response.ListResponse;
 import com.cloud.api.response.NetworkOfferingResponse;
 import com.cloud.offering.NetworkOffering;
@@ -88,7 +87,10 @@ public class ListNetworkOfferingsCmd extends BaseListCmd {
     private Boolean specifyIpRanges;
     
     @Parameter(name=ApiConstants.TAGS, type=CommandType.STRING, description="list network offerings by tags", length=4096)
-    private String tags; 
+    private String tags;
+    
+    @Parameter(name=ApiConstants.IS_TAGGED, type=CommandType.BOOLEAN, description="true if offering has tags specified")
+    private Boolean isTagged;
     
     /////////////////////////////////////////////////////
     /////////////////// Accessors ///////////////////////
@@ -154,6 +156,10 @@ public class ListNetworkOfferingsCmd extends BaseListCmd {
         return tags;
     }
 
+    public Boolean isTagged() {
+        return isTagged;
+    }
+
     /////////////////////////////////////////////////////
     /////////////// API Implementation///////////////////
     /////////////////////////////////////////////////////
diff --git a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
index 57cbe8ed28b..d293ca809b6 100755
--- a/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
+++ b/server/src/com/cloud/configuration/ConfigurationManagerImpl.java
@@ -3392,6 +3392,7 @@ public class ConfigurationManagerImpl implements ConfigurationManager, Configura
         List<String> supportedServicesStr = cmd.getSupportedServices();
         Object specifyIpRanges = cmd.getSpecifyIpRanges();
         String tags = cmd.getTags();
+        Boolean isTagged = cmd.isTagged();
 
         if (zoneId != null) {
             zone = getZone(zoneId);
@@ -3486,10 +3487,14 @@ public class ConfigurationManagerImpl implements ConfigurationManager, Configura
         }
         
         if (tags != null) {
-            if (tags.isEmpty()) {
-                sc.addAnd("tags", SearchCriteria.Op.NULL);
+            sc.addAnd("tags", SearchCriteria.Op.EQ, tags);
+        }
+        
+        if (isTagged != null) {
+            if (isTagged) {
+                sc.addAnd("tags", SearchCriteria.Op.NNULL);
             } else {
-                sc.addAnd("tags", SearchCriteria.Op.EQ, tags);
+                sc.addAnd("tags", SearchCriteria.Op.NULL);
             }
         }