Which order is accurate for a firmware upgrade on MX appliances in a high-availability configuration?

Question

Options

• Astarts on the secondary MX appliance and then occurs on the primary MX appliance
• Bstarts on both MX appliances at the same time and then reboots both appliances after traffic on
• Cstarts on both MX appliances at the same time and then immediately reboots both appliances
• Dstarts on the primary MX appliance and then occurs on the secondary MX appliance

• A
  3% (1)
• C
  8% (3)
• D
  89% (32)

Explanation

https://community.meraki.com/t5/Security-SD-WAN/Firmware-Update-to-HA-unit/td-p/47865

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