Re: [v6ops] Possibility of Multicast support through GRE tunnel?

"Templin, Fred L" <Fred.L.Templin@boeing.com> Wed, 23 October 2013 15:20 UTC

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From: "Templin, Fred L" <Fred.L.Templin@boeing.com>
To: Jeroen Massar <jeroen@massar.ch>, sajjad akbar <sajjad_akr@yahoo.com>, "v6ops@ietf.org" <v6ops@ietf.org>
Thread-Topic: [v6ops] Possibility of Multicast support through GRE tunnel?
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Date: Wed, 23 Oct 2013 15:20:00 +0000
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Subject: Re: [v6ops] Possibility of Multicast support through GRE tunnel?
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RFC2529 is an automatic tunneling mechanism that specifies a multicast
mapping from the IPv6 multicast space to the IPv4 space. VET is a more
recent automatic tunneling mechanism that picks up the RFC2529 mapping.

Thanks - Fred
fred.l.templin@boeing.com 

> -----Original Message-----
> From: v6ops-bounces@ietf.org [mailto:v6ops-bounces@ietf.org] On Behalf
> Of Jeroen Massar
> Sent: Wednesday, October 23, 2013 2:24 AM
> To: sajjad akbar; v6ops@ietf.org
> Subject: Re: [v6ops] Possibility of Multicast support through GRE
> tunnel?
> 
> On 2013-10-23 11:01, sajjad akbar wrote:
> >
> >
> > Dear fellows
> >
> >
> > We need to implement multicast for hybrid network (IPv6-IPv4) in our
> > testbed. No automatic tunneling mechanism is supporting multicast.
> > can GRE tunnel support multicast streaming in a hybrid network (IPv6-
> IPv4)?
> 
> As per: http://www.sixxs.net/faq/connectivity/?faq=comparison
> 
> Yes, GRE can do it, but as listed there many others do too.
> 
> The trick is that at either end of the tunnel you will have to run a
> MLD
> proxy or a real multicast router for things to work.
> (ecmh amongst many others can achieve this)
> 
> You state you have a 'hybrid network', why is that network not native?
> 
> Greets,
>  Jeroen
> 
> 
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