diff --git a/api/src/com/cloud/api/commands/CreateNetworkACLCmd.java b/api/src/com/cloud/api/commands/CreateNetworkACLCmd.java
index 25d433b5c9e..574de50f837 100644
--- a/api/src/com/cloud/api/commands/CreateNetworkACLCmd.java
+++ b/api/src/com/cloud/api/commands/CreateNetworkACLCmd.java
@@ -42,7 +42,7 @@ public class CreateNetworkACLCmd extends BaseAsyncCreateCmd implements FirewallR
             "the protocol for the ACL rule. Valid values are TCP/UDP/ICMP.")
     private String protocol;
 
-    @Parameter(name = ApiConstants.START_PORT, type = CommandType.INTEGER, required=true, description = "the starting port of ACL")
+    @Parameter(name = ApiConstants.START_PORT, type = CommandType.INTEGER, description = "the starting port of ACL")
     private Integer publicStartPort;
 
     @Parameter(name = ApiConstants.END_PORT, type = CommandType.INTEGER, description = "the ending port of ACL")
diff --git a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
index c3b9f3c502e..347d7fb297d 100755
--- a/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
+++ b/server/src/com/cloud/network/router/VirtualNetworkApplianceManagerImpl.java
@@ -52,6 +52,7 @@ import com.cloud.agent.api.GetDomRVersionCmd;
 import com.cloud.agent.api.ModifySshKeysCommand;
 import com.cloud.agent.api.NetworkUsageAnswer;
 import com.cloud.agent.api.NetworkUsageCommand;
+import com.cloud.agent.api.RebootAnswer;
 import com.cloud.agent.api.StartupCommand;
 import com.cloud.agent.api.StopAnswer;
 import com.cloud.agent.api.check.CheckSshAnswer;