Changing the heartbeat VLAN
To change the VLAN from the FortiController GUI, from the System Information dashboard widget, beside HA Status, select Configure. Change the VLAN to use for HA heartbeat traffic(1-4094) setting.
You can also change the heartbeat VLAN ID from the FortiController CLI. For example, to change the heartbeat VLAN ID to 333:
config system ha
set hbdev-vlan-id 333
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