Is there any good solution with SD-WAN on Internet Edge Routers forcontrolling the outgoing trafficto the service providers from the customer side? (except using PBR solution)
And how does it exactly work ?
We want each buildings send/receive traffic to go through a specific ISP, while all providers can act as backup for others.
For controlling the incoming traffic, its easy.
Just advertising the specific/24 of the building + the complete /22 address, to each provider.
How about the outgoing traffic?
As we want it symmetric, so each building willsend their own traffic from their specific service provider, that we have set the receive traffic to come from that direction(with BGP subnet advertisements).