We have a setup with 2 x XG230 configured with HA active / passive with PPPoE on PortA2.
Primary Sophos PortA2 connects to ISP Primary router and Aux Sophos PortA2 connects to ISP Aux Router.
Port A2 is set as monitored interface.
ISP Primary router has 3 redundant links (PL1,PL2 and PL3) and ISP Aux router has 2 (AL1 and AL2) running OSPF.
So we the ISP have fail over covered.
The problem is if PL1,PL2 and PL3 die for what ever reason, the primary Sophos PPPoE stays connected and failover doesn't occur.
The only way fail over to Aux sophos if the ISP primary router looses power, then Sophos detects port down and fail over occurs with the PPPoE connecting on ISP Aux Router.
P.S There is no WAN link manager as there is only 1 WAN.
I need a solution if indeed the 3 links fail the HA kicks in.
This is a client that is a broadcast house and needs connectivity 24x7x365.
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