[vlc] Re: VLC IGMP Problems

[Pranjal Dutta (prdutta)]

Hi,
       Whether to send IGMPv2 or IGMPv3 is decided by the OS that you are 
using.IGMP is a part of IP Layer and so it resides within the TCP/IP stack 
which in turn is embedded into the OS Kernel.VLC or any other application 
softwares that use IGMP applies the APIs/Systems Calls(like BSD sockets in 
Linux) only to ask the kernel to send IGMP join/leave messages.Now it's 
upto the Kernel to send the latest version of IGMP message that it 
supports. I think previously your WINXP machine was capable of only sending 
IGMPv2, but later some setting change or windows update might have updated 
IGMP to Version 3. Then it will send only IGMPv3 messages. But why do you 
want to revert back to IGMPv2. Because you don't lose anything with IGMPv3, 
rather you get the enhanced functionality of SSM(Source Specific 
Multicast). As far as I know only WINXP supports IGMPv3, others like Win 
98/2000 supports only IGMPv2. Hope this helps.

Thanks,
-Pranjal


At 11:48 AM 9/16/2004 -0700, Yeliseyev Dmitriy wrote:
>Hallo.
>
>Im using your VLC client and I have the problem.
>Please, excuse me, if my question very simple or may be I miss the 
>solution for this problem in the vlc settings, but for me it is very important.
>I use operational system MS Windows XP Home Edition and the problem is 
>that I can use just IGMPv2 reports about multicast group membership. First 
>times VLC sends IGMPv2 reports, now it starts to send IGMPv3 reports. How 
>can I change this back? How I can configure VLC to send to the router 
>IGMPv2 reports instead of IGMPv3 reports?
>
>Thank You very much in advance for help!
>
>Best wishes
>Dmitriy Yeliseyev
>
>
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