MEF 46 Latching Loopback Protocol and Functionality

2014 Nov

Product Portfolio: Carrier Ethernet | Standard Type: Service Activation and Test


This specification defines the protocol and functionality for Latching Loopbacks (LLs) for Service Activation Testing (SAT) and troubleshooting up to the Information Rate for point-to-point and multipoint services across multiple Carrier Ethernet Networks (CENs).


This specification describes the use cases, functionality and protocol for a Latching Loopback feature in Ethernet Equipment. Latching Loopback can be controlled to return selected Ethernet frames in the direction from which they came.

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