All things related to multicast

[Stig Venaas <>]

On Wed, Jul 06, 2005 at 02:20:35PM -0500, Brent Sweeny wrote:
> Abilene isn't running embedded-RP code yet, but will be fairly soon.

So will GEANT I'm told. Note that it is already deployed on Juniper
routers in NORDUnet. I'm in UNINETT connected to GEANT via NORDUnet,
which again peers with Abilene. That is,

Abilene - GEANT - NORDUnet - UNINETT
            |
         RP / Renater
            |
         M6Bone

> we static to v6 RPs as follows:
> 
>                 address 2001:468::1 {
>                     group-ranges {
>                         ff05::/16;
>                     }
>                 }
>                 address 2001:660:3007:300:1:: {
>                     group-ranges {
>                         ff0e::/16;
>                         ff1e::/16;
>                     }
>                 }
>                 address 2001:700:e000:501::2 {
>                     group-ranges {
>                         ff3e:30:2001:700::/64;
>                     }
>                 }
> 
> I expect the 2nd one (in Renater) will be the one of interest, though

Yep! So we should indeed be able to do ASM then. As first steps I would
suggest running ssmping to test SSM, or run a multicast beacon. In GEANT,
M6Bone etc. we are now using a beacon written in C called dbeacon. The
current status can be seen at
http://supervision-ipv6.renater.fr/public/m6bone/matrix
Further instructions at the bottom of the page.

To test ssmping, just see the web page, download the UNIX/Linux source
and build the client. You can then try to ssmping the IPv6 servers
listed on the page.

> the 3rd one is in uninett.

Yes. That is the IPv4 - IPv6 multicast gateway I've been running. It
has unfortunately been moved to Renater using embedded-RP. So I would
suggest removing it from the config. Hopefully we'll have embedded-RP
in Abilene/GEANT in a couple of months so you will again be able to
use the gateway.

Stig

>       Brent Sweeny, Abilene
> 
> On Wed, Jul 06, 2005 at 08:12:26PM +0200, Stig Venaas wrote:
> > On Wed, Jul 06, 2005 at 10:55:55AM -0700, Tom Pusateri wrote:
> > > Is this standards based?
> > > 
> > > Sure would be nice to have an app that played nicely with other vendors.
> > > I won't ever be running XP but I have a Mac and a FreeBSD box on an IPv6
> > > multicast capable net and I like to come out and play.
> > 
> > How are you guys connected. Via Abilene, or are there other networks
> > involved? Is there a common RP configured in all the routers? I suppose
> > Embedded-RP isn't deployed yet.
> > 
> > If there is no common RP configured, I would suggest doing some initial
> > testing with SSM. This is quite easy using ssmping, see
> > http://www.venaas.no/multicast/ssmping/
> > 
> > This should also in theory work between me in Europe being connected to
> > GEANT since there is a multicast peering between GEANT and Abilene.
> > 
> > I would be quite interested in testing IPv6 SSM between GEANT and
> > Abilene. If we in fact have the same RP configured (which I doubt), we
> > could also test ASM though.
> > 
> > Anyone willing to test SSM with me, or just inside Abilene? I'll provide
> > whatever help I can, but pretty straightforward.
> > 
> > Stig