Mutlicast Failing without Adding route

[Till Straumann]

This may give some insight:

https://www.rtems.org/bugzilla/show_bug.cgi?id=1381

HTH
-- Till


On 08/26/2010 12:09 PM, John Wood wrote:
>
> Greetings all,
>
> I am using rtems 4.9.2 on a custom PCB with 2 Ethernet interfaces.  If 
> I don't add a route my multicast sends fail.  Is this the correct 
> behavior?
>
> I am not particularly familiar with multicast.  I have loopback 
> enabled and when I receive the message it has the IP address of my 
> interface as
>
> Opposed to the broadcast address which seems incorrect to me but is it 
> possibly correct.
>
> I tried setting the interface using the IP_MULTICAST_IF but this does 
> not appear to help.
>
> Thanks for any insight,
>
> John
>
>
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