How to make two mx64w working simultaneously

[Dener]

I want to know if it's possible to make two mx64w working simultaneously, in case of failing the other will assume the network, as VPN clients, etc.

The idea is to have a backup device working simultaneously. 

[DarrenOC]

Hi @Dener , the design will be an Active/Passive MX.

please consult the below:

https://documentation.meraki.com/MX/Deployment_Guides/MX_Warm_Spare_-_High_Availability_Pair

https://meraki.cisco.com/technologies/failover-and-ha