When using the pure DVIPA feature for IOAGATE recovery, you must configure your Sysplex environment as follows:

• RUN a routing server OMPROUTE on each image in the Sysplex

  The new location of the moved IP Address must be advertised to routers in the network, so that reconnection requests are routed to the backup z/OS image. This requires running a Dynamic Routing Server (OMPROUTE) on both the original z/OS image, and the backup image.

• DEFINE DVIPA support in the TCP/IP profile

  To enable DVIPA support for an application, use the VIPARANGE statement in the TCP/IP profile to define the VIPA for each TCP/IP stack where the application may run.

  For OS/390 version 2.8, the following example illustrates the syntax for VIPARANGE:

  VIPADYNAMIC

  VIPARANGE DEFINE 255.255.255.0 172.16.240.193

  ENDVIPADYNAMIC

  For OS/390 version 2.10 and later, the following example illustrates the syntax for VIPARANGE:

  VIPADYNAMIC

  VIPARANGE DEFINE MOVEABLE NONDISRUPT 255.255.255.0 172.16.240.193

  ENDVIPADYNAMIC