In the customer environment, the customer may find that the traffic between LAN ports is leaking , this article discusses the reason and resolution.
In environments where the customer has 520 edges and all their ports are L2 LAN ports and the customer is running edge version 5.2.4.0
Issue is caused by a bug under the reference 153924.
Issue will be fixed in 5.2.4.2 and later releases.
For 6.x releases , it's being addressed under a different bug reference 153918 as the architecture is different.