*Edited to remove HA terms that might be confusing Keep in mind there are two common ways to deploy redundant MX hubs. The most common way is active / spare. Two MXs, one license and only the primary is doing all the work. Another way to deploy hubs is in a active / active config. Both are licensed, in their own dashboard networks, both are active. This type of deployment allows you to use both hubs and split the spoke load. You can still plan for redundancy depending on what type of failure you think is most likely. Meaning, if you think the most likely scenario is losing one hub then make sure the remaining hub can handle all the spokes while the other hub is offline. Many large customers deploy hubs all as active and use horizontal scaling for size and resiliency.
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