Multicast testing some tests fail

[Shantaram Pande]

Alan Bateman wrote:
> Shantaram Pande wrote:
>> Hi Alan,
>>
>>  
>>> Thanks. I'm pretty sure the issue is that the
>>>     
>> multicast datagrams  
>>> are being dropped. It may be that your tests will only
>>>     
>> be able to run  
>>> in the same subnet or alternatively only in conditions
>>>     
>> where you have  
>>> control of the router to allow multicast datagrams to be
>>>     
>> forwarded.
>>
>> I have changed the   
>> dc.setOption(StandardSocketOption.IP_MULTICAST_TTL,16)
>>
>> and tested it. Still the test is failing.
>>
>>   
> Did you get a chance to capture network traces from both networks? I 
> assume the issue is that the multicast datagrams aren't going through 
> the router. If you can "snoop -o <file> multicast" to capture the 
> multicast packets on *both* the source and destination network while 
> the test runs then we should be able to figure this out quickly.
>
> -Alan.
>
>
>
Hi Alan,

I tested it today. and verified that the multicast datagram is 
transmitted but just isn't received on the target network. So the issue 
is with teh router.
Thanks for your help.

Thanks and Regards,
shantaram