RSVP-TE P2MP LER adds ingress and egress support for Point-to-Multipoint (P2MP) LSPs to be used in Multicast Virtual Private Network (MVPN) as an extension to the LSR support which adds transit support.

RSVP TE, the Resource Reservation Protocol (RSVP) for Traffic Engineering (TE), is used to distribute MPLS labels

RSVP-TE applies the Resource Reservation Protocol (RSVP) for Traffic Engineering (TE), i.e., to distribute MPLS labels for steering traffic and reserving bandwidth.