z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
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Designing multicast programs: IPv6 multicast options

z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
SC27-3660-00

To enable your application to support the IPv6 version of multicast support, the following socket options will be discussed:
  • IPV6_JOIN_GROUP
  • IPV6_LEAVE_GROUP
  • IPV6_MULTICAST_IF
  • IPV6_MULTICAST_LOOP
  • IPV6_MULTICAST_HOPS

Use the Macro, Callable, and REXX Sockets API SETSOCKOPT call to set these options. Use the Macro, Callable, or REXX Sockets API GETSOCKOPT call to get the current settings. The status of the IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP are exceptions as they are SETSOCKOPT options only.

If you want to enable your application to support the IPv6 multicast source filter, see Designing multicast programs: Protocol-independent multicast options.

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