Greg Mirsky, Jeff Tantsura, Gyan Mishra, 2022-03-30, This document describes the use of Bidirectional Forwarding Detection for Multi-chassis Link Aggregation Group to supply more rapidly than Link Aggregation Control Protocol convergence. This specification boosts RFC 7130 "Bidirectional Forwarding Detection (BFD) on Link Aggregation Group (LAG) Interfaces".