Hello!
I have setup a network with 2 ISP, 2 gateways, 2 subnets (see attached graphic) on Proxmox VE host.
ISP A is connected to Fritz!Box (router A), ISP B is connected to eth0 of Proxmox VE host (router B).
Subnet A 192.168.178.0/24 with gateway 192.168.178.1 (= router A) is connected to...