A diagnostic tool and method are described herein that are capable of diagnosing and localizing a multicast connectivity flow fault within a layer 2 aggregation network. In one application, the diagnostic tool and method can be used by a customer service representative to diagnose why a customer cannot...http://www.google.de/patents/US7843845?utm_source=gb-gplus-sharePatent US7843845 - Diagnostic tool and method for troubleshooting multicast connectivity flow problem(s) in a layer 2 aggregation network
