I have fibre connected to WAN1 on my HD4 and I have a single LTE SIM connected at the moment. I have FusionHub in our data centre, so I want to route for now all traffic over the VPN to test hot failover on VoIP, then eventually just voice traffic.
By default it had 2 WAN connections as Priority 1, with the cellular as Priority 2. Doing that would always put the cellular as Standby, so failover wouldn’t work. I moved the cellular up to Priority 1 which keeps it active, then in Outbound Policy I set to send all traffic to the VPN. The problem is it’s clearly just bonding both connections and routing traffic over both links. I don’t want the LTE to be used at all, just if there’s a failure. The latency on the LTE is 55ms vs 4 on fibre, so you can clearly tell when it is using LTE as the calls sound like total garbage.
Just confused because even if I set all traffic to use the local internet, but set the IP for the PBX to use the VPN, I feel like it still will be routing over the fibre and the LTE, vs just the fibre and using the LTE for hot fail over.