It seems that there should be three dedicated (vlan?) networks within the cluster, one for each of:
Storage Traffic
K3s Controller Traffic
App Traffic
Additionally, each VPS should be assigned private IPs only, with a dedicated external gateway for outgoing requests. This will make it easier to configure outgoing email via a dedicated external IP.
It seems that there should be three dedicated (vlan?) networks within the cluster, one for each of:
Additionally, each VPS should be assigned private IPs only, with a dedicated external gateway for outgoing requests. This will make it easier to configure outgoing email via a dedicated external IP.