Hi Philip,   As far as the Cisco Meraki documentation guidelines, the direct L2 link (VRRP/HA) between the MX design got retired it seems. Are we in a same page? If not, shall we proceed to interconnect a dedicated layer-2 link for MX heartbeat link?   Also, can we use the MX WAN interfaces (/29 IP subnet & same broadcast domain) to have VRRP heartbeat communication for define the failover provided the MXs are deployed in routed mode.   If you could reply for this query, it would really great for our requirement.  ... View more