Mutlicast Failing without Adding route
John Wood
jwood at scisol.com
Thu Aug 26 18:38:02 UTC 2010
That exactly what I am seeing, with my route added I found that it seems to be working as expected using an external machine running wireshark. Originally, all I could see was my loopback packet which appeared to have the interface IP so I was not sure if routing was changing the mcast IP to the interface IP but this does not appear to be the case.
Thanks a lot,
John
From: Till Straumann [mailto:strauman at slac.stanford.edu]
Sent: Thursday, August 26, 2010 2:33 PM
To: John Wood
Cc: rtems-users at rtems.org
Subject: Re: Mutlicast Failing without Adding route
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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