MPLS This section provides configuration information for the following topics: Automatic Creation of RSVP-TE LSPs BFD for RSVP-TE and LDP LSPs BFD for RSVP-TE LSPs with Failure Action DiffServ Traffic Engineering IGP Shortcuts Inter-Area TE Point-to-Point LSPs LDP FEC to BGP Label Route Stitching LDP over RSVP Using OSPF as IGP LDP Point-to-Point LSPs LDP-IGP Synchronization LDP-SR Stitching for IPv4 Prefixes (IS-IS) MPLS LDP FRR using ISIS as IGP Multicast Label Distribution Protocol Path MTU Discovery Remote Loop-Free Alternate Node Protection RSVP Point-to-Point LSPs Seamless MPLS: Isolated IGP/LDP Domains and Labeled BGP Shared Risk Link Groups for RSVP-Based LSP Static Point-to-Point LSPs Topology-Independent Loop-Free Alternate for Link Protection Tunneling of ICMP Reply Packets over MPLS LSPs Unnumbered Interfaces in RSVP-TE and LDP