Ethernet OAM to ATM OAM interworking for loopback capability

An access node comprising:

• an Ethernet interface that receives an Ethernet operations, administration, and maintenance (OAM) Loopback frame from an originating device within an Ethernet network;
• a control unit that constructs an Asynchronous Transfer Mode (ATM) OAM End-to-End Loopback cell from the Ethernet OAM Loopback frame;
• and
• an ATM interface that transmits the ATM OAM End-to-End Loopback cell from the access node towards a virtual circuit connected to a subscriber device within an ATM network to verify connectivity from the originating device within the Ethernet network to the subscriber device within the ATM network,
• wherein to construct the ATM OAM End-to-End Loopback cell from the Ethernet OAM Loopback frame, the control unit is configured to translate data from one or more fields of the Ethernet OAM Loopback frame into a source identification (ID) field of the ATM OAM End-to-End Loopback cell.

A non-transitory computer-readable medium comprising instructions that, when executed, cause one or more processors to:

• receive, with an access node, an Ethernet operations, administration, and maintenance (OAM) Loopback frame from an originating device within an Ethernet network;
• construct, with the access node, an Asynchronous Transfer Mode (ATM) OAM End-to-End Loopback cell from the Ethernet OAM Loopback frame;
• and
• transmit the ATM OAM End-to-End Loopback cell from the access node towards a virtual circuit connected to a subscriber device within an ATM network to verify end-to-end connectivity from the originating device within the Ethernet network to the subscriber device within the ATM network,
• wherein the instructions that cause the one or more processors to construct the ATM OAM End-to-End Loopback cell from the Ethernet OAM Loopback frame further comprise instructions that, when executed, cause the one or more processors to translate data from one or more fields of the Ethernet OAM Loopback frame into a source identification (ID) field of the ATM OAM End-to-End Loopback cell.