Troubleshooting Tip: Failover is not triggered when the primary unit's aggregate interface is down

Description

This article describes how to troubleshoot an untriggered failover when the interface drops while configured as a High Availability (HA) monitor.

Scope

FortiADC.

Solution

The issue can be resolved by enabling lacp-down-inactive-partner under the aggregate interface:

config system interface
    edit "Demo-Aggr"
        set type aggregate
        set vdom root
        set member port8 port9
        set lacp-down-inactive-partner enable
            config ha-node-ip-list
end