The IESG has received a request from the Transparent Interconnection of Lots of Links WG (trill) to consider the following document: - 'TRILL Multilevel Using Unique Nicknames' <draft-ietf-trill-multilevel-unique-nickname-04.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2018-03-06. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract TRILL routing can be extended to support multiple levels by building on the multilevel feature of IS-IS routing. Depending on how nicknames are managed, there are two primary alternatives to realize TRILL multilevel: the unique nickname approach and the aggregated nickname approach as discussed in RFC 8243. This document specifies a unique nickname approach. This approach gives unique nicknames to all TRILL switches across the multilevel TRILL campus. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-trill-multilevel-unique-nickname/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-trill-multilevel-unique-nickname/ballot/ No IPR declarations have been submitted directly on this I-D.