Rule order is important for OBP, they are processed top down in order and the first rule that matches traffic is what is applied so make sure the “UK IP” rule is placed correctly.
As for the rule “UK IP” if you just want to direct traffic sourced from 192.168.6.0/24 out the VPN then you do not need to use the “destination” filed, the destination should likely be “any” as you only care about what subnet the traffic is sourced from.
Thank you for your input, I have corrected Outgoing Policy but it is still not triggered, 192.168.6.0/24 clients are not routed to VPN: SpeedFusion as expected?
It’s a bug.
Use a priority rule instead but just put the Grapevine VPN 2 tunnel in as the only active connection and don’t allow fail to next rule.
Like you its an intermittent bug I have been chasing for far too long. Every time I think I understand it I can’t reproduce it.
A theory is that when the enforced rule doesn’t work, changing it to a priority rule overwrites or recreates the lookup tables specifically for that target identifier. I need to spend more time playing with it.