Li, Y., Eastlake 3rd, D., Dunbar, L., Perlman, R., and M. Umair, "Transparent Interconnection of Lots of Links (TRILL): ARP and Neighbor Discovery (ND) Optimization", RFC 8302, DOI 10.17487/RFC8302, January 2018, <https://www.rfc-editor.org/info/rfc8302>.