[zeromq-dev] PGM and sending interface

[Steven McCoy]

On 5 January 2016 at 13:34, Jim Hague <jim.hague at acm.org> wrote:

> I think AIX is a bit of a red herring here. I can produce exactly the same
> scenario on Linux using iproute2


Interesting, thus this invalidates most of RFC 3678:

/* section 5.1 of RFC 3678: basic (delta-based) protocol-independent
multicast
 * source filter APIs.
 *
 * required for OSX 10.6 and earlier.
 */
struct group_req
{
  uint32_t gr_interface; /* interface index */
  struct sockaddr_storage gr_group; /* group address */
};

And it looks like it pretty much breaks group_source_req and group_filter
too.   Unless you really don't care about multicast coming from any of the
addresses on the interface which appears a little foolish?

-- 
Steve-o
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