Hi
I've not long ago upgraded the firewall to V19 in anticipation of the new SD-WAN profile settings that will hopefully manage our internet connections a bit more reliably.
Up until now I've had them set up as failover in thte WAN link manager to go from a high capacity wireless system, to a 4G link, to DSL on failure which has mostly worked but has issues when the primary wireless link is suffering due to the weather with moderate to high packet loss.
I have set up the SD WAN profiles as per what I'd expect and tested it simply by unplugging the connections, and all seems well... up until today.
We had a brief power cut over the weekend and the firewall was reporting some contradictory information that I didn't understand and was hoping someone could shed some light on, along with some questions.
On the SD WAN profile page link status pop out it showed the primary as down (red light), and the two backup links as within the SLA, and we had been switched to the first backup. On the WAN link manager it showed all three links as up and active (green lights on all three). There was no internet connection to users at all. Manually setting a route for my desktop pc to the first backup showed it was working fine.
I had to switch Active and Backup connections in WAN link manager to get the backup running, at which point the primary connection started working again, so I could switch back to the normal way round and operations resumed.
I'm not sure though which takes precident in this situation? It seems that SD WAN profile and WAN link manager are both trying to do the same thing with routing in event of a failure and I'm not sure how I should set each of them up. I was unable to find any documentation detailing this. I want to have the improved failover handling of the SD WAN profiles as the packet loss and jitter SLAs are very much what I need here.
How do I configure the connections in WAN link manager to play nice with SD WAN profiles?
Thanks.
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