Though Multicast is a fantastic concept, it's far from ubiquitous and not reliable to depend on. So few ISPs route it, so few home routers properly support it, so few hosts allow IGMP, etc. to pass, etc. It's actually quite sad but it's been this way for many many years. If you'd like to see if YOUR system can receive multicast traffic, here is one of the few test streams I could find:
https://support.bbc.co.uk/multicast/streams.html
--David KI6ZHD
On 03/25/2016 12:24 PM, Marius Petrescu wrote:
(Please trim inclusions from previous messages) _______________________________________________ Hmm, there are also global IPv4 multicast addresses :-) Maybe it is worth some testing: 233.0.0.0/8 per RFC2770 - and here AMPR has its own 16 bit AS number, so 256 addresses could be available 234.0.0.0/8 per RFC 6034 - we could use 234.44.x.x in this scheme, even split to country level.
If this would work, that would be great. But it depends on the ISP.