The value of vRtrLdpSessMcastFecOverloadSent indicates whether LSR Overload Notification has been sent to the LDP peer for Multicast FEC Types. The value of 'true' indicates that Local LSR has set the LDP session as overloaded for Multicast FEC types and is not ready to receive new Label Mappings for Multicast FEC Types. In this state if a Label Mapping Message is received from peer for Multicast FEC types then the Label is returned with a Label Release Message. This object was obsoleted in release 13.0.