Fortigate SD-WAN with FGCP HA

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grindelwaldus
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2019/02/07 02:08:57 (permalink) 6.0
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Fortigate SD-WAN with FGCP HA

Hi guys.
I have a pair of VM-based Fortigates (VM00) configured to work in a topology described here: https://cookbook.fortinet.com/sd-wan-with-fgcp-ha-expert-60/
I'm a bit confused by one thing however. That's what the article says about testing failover scenarios:
 
To test failover of the redundant Internet configuration, you must simulate a failed Internet connection to one of the ports. You can do so by disconnecting power from the wan1 switch or otherwise disconnecting the wan1 interfaces of both FortiGates from ISP 1.
Specifically I'm confused by "disconnecting the wan1 interfaces of both FortiGates from ISP 1.". This scenario works fine, but what if, for instance, WAN1 of only the first Fortigate fails? 
As I understand, "monitor interfaces" feature will save me in a scenario like this. I'm not, however, able to test this cause I'm doing all of this inside a virtualized envronment (EVE-NG), so I can't emulate physical interface failure. Can someone confirm this feature is acceptable in such scenario?
Also, "monitor interfaces" is only for physical link failures. Is there any way to prevent traffic blackholing in case my link's up, but the GW is not reachable? I was thinking of Remote Link Failover: https://help.fortinet.com/fos50hlp/54/Content/FortiOS/fortigate-high-availability-52/HA_failoverRemoteLink.htm but I encountered some problems during the configuration so I'm not relly sure this feature is acceptable for my scenario.
post edited by grindelwaldus - 2019/02/07 02:19:56
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