Hello @polo,
Welcome to the forum!
All nodes behind the /24 subnet of the public IPs will be treated as a one node for uploads and downloads, but as a separate for audits and uptime checks.
So, both your nodes will share the same amount of traffic as only one node.
Since your nodes are new, they are in the vetting process. They will receive only 5% of potential traffic in total until got vetted. To be vetted on a one satellite, they should pass 100 audits from it.
For the one node it usually takes at least a month. But in your case both nodes will share the same small amount of traffic and the vetting process will be in the same times longer as a number of nodes.