All things related to multicast

[Bruce Curtis <>]

On Apr 13, 2007, at 11:41 AM, Stig Venaas wrote:

> Nicholas J Humfrey wrote:
> > Hi,
> > The University of Southampton is connected to m6bone/Géant via a  
> > tunnel. I am able to asmping and ssmping Stig's ssmping server in  
> > Norway ok. I am unsure of the details of how m6bone is connected  
> > to Internet 2?
>
> The topology is
>
> Abilene -- GEANT -- RENATER -- M6Bone

  That's useful to know.

> Well, it's not clear exactly what is M6Bone, but there is a native
> peering between Abilene and GEANT. RENATER (and some other European
> NRNs) have native peerings to GEANT. RENATER hosts a number of
> tunnels etc to various places, possibly including the Vatican. For
> e.g. the Virgin radio and soton.ac.uk it goes natively (I think)
> from GEANT to JANET, and then from JANET to Soton...
>
> ssmping/asmping is IMO a good way to test the connectivity. I know
> we have had working connectivity from several places in Europe to
> I2 before. Pretty much all the routers should support embedded-RP
> too.
>
> Stig

   Yes, asmping works when testing to Norway.

   Plus I am able to watch the IPv6 Multicast stream from the vatican.

  udp://@[ff7e:e40:2a01:b8::e]:1234

---
Bruce Curtis                         

Certified NetAnalyst II                701-231-8527
North Dakota State University