[Twisted-Python] multicast

[Andrew Gasson]

On 16/12/2010, at 5:10 PM, exarkun at twistedmatrix.com wrote:

> On 03:59 pm, itamar at itamarst.org wrote:
>> On Thu, 2010-12-16 at 12:09 +0200, Pandelis Theodosiou wrote:
>>> 
>>> I've also tried to use listenMulticast instead of listenUDP but then I
>>> realized this is if I need more than one application to listen/write
>>> to the multicast port and I don't need that.
>>> pandelis
>> 
>> You should use listenMulticast regardless if you want to use multicast.
> 
> Is that an error in the udp howto, then?  The second multicast example 
> uses listenUDP.

check the ttl of your multicast source , they usually default to TTL=1 so wont pass a router hop, also with nix boxes check once you start listening
you are listening on right interface with netstat -g

Gas
> 
> Jean-Paul
> 
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