A scenario may arise where the Secondary Clustered Gateway node with MySQL Database Replication established requires relocation to new infrastructure. For this Use Case it is best practices to stop MySQL DB Replication between nodes before any moves are made.
For this use case the hostname and IP address of your affected (relocated) node are not changing.
A required Infrastructure move of the Secondary DB node in a Gateway Cluster
Release : 9.x Cluster with MySQL DB Replication enables between Primary and Secondary Nodes
Component : API GATEWAY