server: dedicate vxlan range to account (#7215)

This fixes #6871

Author: weizhouapache

server/src/main/java/com/cloud/network/NetworkServiceImpl.java

@@ -4048,12 +4048,14 @@ public GuestVlanRange dedicateGuestVlanRange(DedicateGuestVlanRangeCmd cmd) {
         }
         vlanOwnerId = vlanOwner.getAccountId();
 
-        // Verify physical network isolation type is VLAN
+        // Verify physical network isolation methods contain VLAN or VXLAN
         PhysicalNetworkVO physicalNetwork = _physicalNetworkDao.findById(physicalNetworkId);
         if (physicalNetwork == null) {
             throw new InvalidParameterValueException("Unable to find physical network by id " + physicalNetworkId);
-        } else if (!physicalNetwork.getIsolationMethods().isEmpty() && !physicalNetwork.getIsolationMethods().contains("VLAN")) {
-            throw new InvalidParameterValueException("Cannot dedicate guest vlan range. " + "Physical isolation type of network " + physicalNetworkId + " is not VLAN");
+        } else if (!physicalNetwork.getIsolationMethods().isEmpty() &&
+                !physicalNetwork.getIsolationMethods().contains("VLAN") &&
+                !physicalNetwork.getIsolationMethods().contains("VXLAN")) {
+            throw new InvalidParameterValueException("Cannot dedicate guest vlan range. " + "Physical isolation type of network " + physicalNetworkId + " is not VLAN nor VXLAN");
         }
 
         // Get the start and end vlan