Changing the IP address of network adapters in cluster server
Changing the IP Address of a Cluster Adapter May Result in Failover
How to change the network IP addresses of SQL Server failover cluster instances
How to: Change the IP Address of a SQL Server Failover Cluster
How to: Change the IP Address of a SQL Server 2005 Failover Cluster
Error message when you change the IP address on a SQL Server failover cluster node: "Bind failed"