http://www.rfc-editor.org/rfc/rfc7180.txt
RFC 7180: Transparent Interconnection of Lots of Links (TRILL): Clarifications, Corrections, and Updates, D. Eastlake 3rd, M. Zhang, A. Ghanwani, V. Manral, A. Banerjee2014-05-01T23:00:00-00:00RFCs 6327 and 6439 provide clarifications and updates with respect to adjacency and Appointed Forwarders. This document provides other known clarifications, corrections, and updates to RFCs 6325, 6327, and 6439.