https://documentation.meraki.com/MX/Deployment_Guides/MX_Warm_Spare_-_High_Availability_Pair I am moving toward a core pair of MS devices in stack with aggregation switches connected via port channels for floors in the building I am using a VIRTUAL IP currently and thise VIRTUAL IPs connect to VPNS at a cloud provider. NOTE and behave appropriately. Additionally, the following other considerations should be kept in mind: If a virtual IP is being used, then each uplink of the two MXs must share the same broadcast domain on the WAN side. QUESTION. What protocol do the the MX use on the WAN side?
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