I cannot ping the 3030 concentrator public interface from the gateway router. I can ping the gateway from the concentrator. The interface is up. There are no ACLs on the gateway router. The only device between the gateway and the concentrator is a hu...

Just installed a 3030 concentrator and cannot ping the router on the public interface. I can ping everything on the private interface. I have added the default gateway for the public interface but cannot ping it and cannot ping the public interface f...