Merge Point(MPT) on mLDP LSP SNMP Scalar - mplsMldpStdMIB:mplsMldpMptCapable
You can use the mplsMldpMp2mpCapable attribute of the mplsMldpScalars table in the multicast LDP standard MIB to know the multipoint-to-multipoint (MP2MP) capability of a multicast LDP LSP on a label-switching router (LSR).