EOS 4.26.1F release  added a platform configuration command to modify the dynamic MAC learning limit threshold on

On a MLAG chassis, MAC addresses learned on individual peers are synced and appropriate interfaces are mapped to these MAC addresses. In case of unexpected events like reloading of one of the peers in the MLAG chassis or flapping of one or more MLAG interfaces, some loss of traffic may be observed.

EOS-4.23.1F added basic MLAG support for 7800R3, 7500R3 and 7280R3 platforms. The MLAG features that are currently supported are: Bridging, Routing, STP, VARP, L2 Multicast.

EOS-4.36.1F added basic MLAG support for 7800R4, 7280R4 and 7020R4 platforms.

EOS 4.20.1F introduces expanded VRRP, VARP and MLAG Peer Gateway virtual MAC capabilities on the 7500R, 7280R,