[streaming] Re: windows machine doesn't "understand" multicast

[John Anderson]

----- Original Message ----- 
From: "Sebastian Heuer" <seb at belanur.de>
To: <streaming at videolan.org>
Sent: Tuesday, September 14, 2004 3:27 PM
Subject: [streaming] windows machine doesn't "understand" multicast


> hi all,
>
> I'm just trying to get multicast streaming to work... I use a gentoo
> linux machine for streaming a video file to the multicast address
> 239.0.0.1.
> All my Linux machines are able to join the multicast group and play the
> stream - but my windows machine isn't! If I ping 224.0.0.1 all linux
> machines answer, but the windows machine doesn't ;)
>
> it's windows xp professional by the way.
>
> any ideas? :-)

Are you using managed switches?  If not then the multicast packets are being
delivered to your machine even if it isn't in the group.  If so then it
could be an issue with IGMP V2 vs. IGMP V3.  I have seen where XP wants to
use V3 while the switch is using V2.  There is a MS article on this...

Microsoft Knowledge Base Article - 815752

http://support.microsoft.com/default.aspx?scid=kb;en-us;815752


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