I have an existing hierarchical setup of my geth nodes, where the mission-critical Private node runs in a hardened environment only being able to talk to the Border node, which in turn talks to the outside world.
[Private geth] ---|Firewall|---> [Border geth] ----> Internet ^ | [prysm] --------> Internet
As shown above, I've added a PoS beacon node (prysm) after the Merge in order to get my Border node synced (otherwise it would not anymore).
Now I'm trying to get my Private geth node synced without connecting it to prysm itself (for operative and security reasons outside of scope of this question).
The connection between the Private and Border geth nodes has been set statically, and now I've even added the Border node as "Trusted" on the Private one (
admin.addTrustedPeer), but that doesn't help. The Private geth node is stuck and won't sync anymore after the Merge.
Is there any way to configure the Private node to trust the Border node enough to take the information about the chain tip from it?
Note: both geth nodes are running in full-sync mode so they are capable of verifying the validity of blocks and transactions autonomously. It's just the consensus about the chain tip that I assume I need to push from Border to Private in a trusted way.