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Standby state definition in Independent Mode A PW is considered to be in Standby state when: the PW labels are exchanged between its two endpoints in the control plane, and the status bits exchanged indicate the PW is in Standby state at one or both endpoints In this state the endpoints MUST NOT forward data traffic over the PW but MAY allow PW OAM packets, e.g., VCCV, to be sent and received in order to test the liveliness of standby PW |