By default, what TCP port does Vault replication use?

Comprehensive and Detailed in Depth Explanation:

Vault replication ensures data consistency across clusters, using a specific port:

A: 8200 - Default HTTP API port, not replication.

B: 8300 - Raft protocol port, not replication.

C: 8201 - Default replication port. Correct.

D: 8301 - Serf protocol port, not replication.

Overall Explanation from Vault Docs:

“Replication occurs on TCP port 8201 by default… distinct from the API (8200) and Raft (8300) ports.”