Run mpls and MPLS VPN in Router cisco

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_basic/configuration/xe-3s/mp-basic-xe-3s-book/mp-mpls-cisco-rtrs.html
https://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/13733-mpls-vpn-basic.html
https://community.cisco.com/t5/networking-documents/how-to-configure-mpls-vpn/ta-p/3108825