Changing the IP address of a node

Stop the node.
Edit the cassandra.yaml file.
The location of the cassandra.yaml file depends on the type of installation:
- Package installations and Installer-Services installations: /etc/dse/cassandra/cassandra.yaml
- Tarball installations and Installer-No Services installations: <installation_location>/resources/cassandra/conf/cassandra.yaml
Replace the old IP address with the new one in the following parameters:
- listen_address
- broadcast_address
- (Optional if already set) rpc_address
If the node is a seed node, update the -seeds parameter in the seed_provider list on all nodes.
If the endpoint_snitch is PropertyFileSnitch, add a new entry for the new IP address in cassandra-topology.properties on all nodes.

Don’t remove the entry for the old IP address in cassandra-topology.properties.
Update the DNS and the local host IP settings.
Start DSE on the local host.
If using the PropertyFileSnitch, perform a rolling restart of all nodes in the cluster.

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