ExtremeXOS 22.7.5 introduces a new pair of commands to enable and disable ports for a multi-switch link aggregation group (MLAG) ID.
Summit X450-G2, X460-G2, X670-G2, X770, and ExtremeSwitching X440-G2, X590, X620, X690, X870 series switches.
enable ports [mlag-id mlag_id]
disable ports [mlag-id mlag_id]