https://app.knowbase.one/vault/rfc/docid/8845
RFC8139: Transparent Interconnection of Lots of Links (TRILL): Appointed Forwarders
Internet Engineering Task Force (IETF) D. Eastlake 3rd Request for Comments: 8139 Y. Li Obsoletes: 6439 Huawei Updates: 6325, 7177 M. Umair Ca...