Transparent Interconnection of Lots of Links : Address Flush Message
RFC 8383, “Transparent Interconnection of Lots of Links : Address Flush Message”, is a Proposed Standard document published in May 2018 by W. Hao, D. Eastlake 3rd, Y. Li, M. Umair. The canonical text is published by the RFC Editor.
Abstract
The TRILL (Transparent Interconnection of Lots of Links) protocol, by default, learns end station addresses from observing the data plane. In particular, it learns local Media Access Control (MAC) addresses and the edge switch port of attachment from the receipt of local data frames and learns remote MAC addresses and the edge switch port of attachment from the decapsulation of remotely sourced TRILL Data packets.
This document specifies a message by which a TRILL switch can explicitly request other TRILL switches to flush certain MAC reachability learned through the decapsulation of TRILL Data packets. This is a supplement to the TRILL automatic address forgetting (see Section 4.8.3 of RFC 6325) and can assist in achieving more rapid convergence in case of topology or configuration change.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 8383 is hosted at rfc-editor.org. Available in TXT,HTML.
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