MPLS: IP over MPLS tunnel support
modulename: mpls_iptunnel.ko
configname: CONFIG_MPLS_IPTUNNEL
Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>MultiProtocol Label Switching
└─>MPLS: IP over MPLS tunnel support
In linux kernel since version 4.1 (release Date: 2015-06-21)
mpls ip tunnel support.