Cisco Optical Channel Interface Controller Loopback

1.3.6.1.4.1.9.9.639.1.1.1.1.1

This object is used to configure the loopback mode of the interface. valid values are - 'noLoop' - No Loopback present. 'otherLoop' - A loopback of type other than rest of types defined in this enumeration. 'diagnosticLoop' - This is an internal loopback, where the data stream is looped from the transmit to receive section. It is used for hardware debug, bring-up and diagnostics. 'lineLoop' - In this mode, the receive data stream is looped back to the transmit side.