https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16-book/configuring-multiprotocol-bgp-mp-bgp-support-for-clns.html
IP Routing: BGP Configuration Guide - Configuring Multiprotocol BGP (MP-BGP) Support for CLNS...
IP Routing: BGP Configuration Guide -Configuring Multiprotocol BGP (MP-BGP) Support for CLNS
ip routingconfiguration guidemp supportbgp