ATM / DSL OAM ping

The ATM OAM Ping feature sends an ATM Operation, Administration, and Maintenance (OAM) packet to confirm the connectivity of a specific permanent virtual circuit (PVC). The status of the PVC is displayed when a response to the OAM packet is received. The ATM OAM Ping feature allows the network administrator to verify PVC integrity and facilitates ATM network troubleshooting (it's OAM ping, not IP ping, so that you must be able to success atm ping (OAM ping) without having an IP address set up on an ATM interface (Cisco specific command):

ping atm interface ATM0.1 7 34 # ATM0.1 is ATM subinterface, 7 is VPI, 34 is VCI