VIPARANGE (DEFINE) MOVEABLE NONDISRUPTIVE

If the first stack is configured with VIPARANGE MOVEABLE NONDISRUPTIVE, the following events occur:

The DVIPA ownership is immediately transferred to the second stack which adds the DVIPA to its HOME list and dynamically notifies the routers.
At the same time, the first stack notifies the routers that it no longer is the owner of the DVIPA, and puts the DVIPA into moving status. The DVIPA remains in moving status (and in the first stack's HOME list) until the DVIPA is deleted on that stack with the VIPADELETE profile statement or the SIOCSVIPA or SIOCSVIPA6 ioctl DELETE option.
Existing connections on the first stack are preserved. If the second stack receives packets intended for existing connections, it will route the packets to the first stack.

Notes:

To ensure preservation of existing connections on the prior owning stack, you must define DYNAMICXCF on both stacks, on the IPCONFIG statement for IPv4 dynamic VIPAs or on the IPCONFIG6 statement for IPv6 dynamic VIPAs.
NONDISRUPTIVE is the default for V2R10 and later.
Both stacks must be running V2R10 or later to get non-disruptive behavior. If either stack is running V2R8, the result will be as described in VIPARANGE (DEFINE) MOVEABLE DISRUPTIVE.