The status of the FCS retention negotiation process based on local configuration and the remote advertisement. remoteIndicationUnknown - set if a FEC has not been received from the remote. remoteRequestFcsRetention - indicates that the peer has requested for FCS retention. FCS retention will be used if the local node is capable and configured to use it for this PW. fcsRetentionEnabled - FCS retention is enabled (both peers were configured for FCS retention for signaled PW, or the local node is configured and capable for FCS retention for manually assigned PW). fcsRetentionDisabled - FCS retention is disabled (not configured locally or not advertised by the peer). localFcsRetentionCfgErr - Set if the local node has been configured for FCS retention but is not capable to support it. fcsRetentionFcsSizeMismatch - Set if there is an FCS size mismatch between the local and the peer node.