[streaming] Re: Configuring Multicast

[Danislav Kostov]

Hi Prasad!
Be careful with multicasts: 
- in a LAN with normal switches this is nothing more than broadcast. If your
switches support IGMP snooping v2 or v3 you have to enable it. (if the
switches support only v2 try to force the clients to use v2 also...
depending on the OS)
- otherwise, with a router, you also need a multicast enabled.

Good luck,
..Dani
 


> -----Original Message-----
> From: streaming-bounce at videolan.org 
> [mailto:streaming-bounce at videolan.org] On Behalf Of Paul Rae
> Sent: Wednesday, June 08, 2005 11:21 AM
> To: streaming at videolan.org
> Subject: [streaming] Re: Configuring Multicast
> 
> 
> Your problem is you are trying to give your ethernet 
> interface a multicast address - you do not need to do this.
> 
> set it to be a normal address on your subnet, and all will be good :)
> 
> -----Original Message-----
> From: streaming-bounce at videolan.org 
> [mailto:streaming-bounce at videolan.org]On Behalf Of prasad
> Sent: 08 June 2005 06:42
> To: streaming at videolan.org
> Subject: [streaming] Re: Configuring Multicast
> 
> 
> Thanks for the reply.
> 
> I tried with this command and checked the route  table and I got the 
> following information
> 
> > Destination     Gateway         Genmask         Flags Metric Ref    
> > Use Iface
> > 192.168.4.0     *               255.255.255.0   U     0     
>  0        
> > 0 eth0
> > 169.254.0.0     *               255.255.0.0     U     0     
>  0        
> > 0 eth0
> > 224.0.0.0       *               240.0.0.0       U     0     
>  0        
> > 0 eth0
> > default         192.168.4.1     0.0.0.0         UG    0     
>  0        
> > 0 eth0
> 
> Now I have one doubt , we should create one multicast IP 
> address right...
>     I tried with the following command
>        ifconfig eth0 224.0.0.12 and getting this error
> SIOCSIFADDR: Invalid argument .
> 
> can you please help me this problem....
> 
> Thanks in Advance
> Prasad
> 
> 
> 
> 
> 
> 
> 
> deon stoltz wrote:
> 
> >On Wed, 2005-06-08 at 09:20 +0530, prasad wrote:
> >  
> >
> >>Hi All,
> >>
> >>       I want test vlc streaming through UDP multicast.Please can
> >>anybody tell
> >>       me how to configure multicast in linux.
> >>    
> >>
> >
> >I assume you have read the manual how to setup vlc?
> >For multicast you must setup the linux routing like
> >routte add -net 224.0.0.0 netmask 240.0.0.0 dev ethx
> >where ethx is the interface you need to send all multicast packets.
> >
> >  
> >
> >>Thanks in Advance
> >>Prasad
> >>
> >>    
> >>
> >
> >  
> >
> 
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