[nsp] multicast questions

[Charles Sprickman]

Also, just for the archives, found this off the Sprint multicast page:

ftp://ftpeng.cisco.com/ipmulticast.html

Charles

On Fri, 7 May 2004, Charles Sprickman wrote:

> On Thu, 6 May 2004, Siva Valliappan wrote:
>
> > Hi Charles,
> >
> >    i believe multicast is supported over RBE.  (been too long out of the
> > DSL space)
> >
> > http://www.cisco.com/warp/public/cc/so/neso/dsso/global/madsl_wp.htm
>
> Hmmm.  That certainly sounds like it's not only supported, but is the
> preferred method.
>
> Anyone have good pointers to Windows + Multicast?  I understand the basics
> here, but I'm completely lost on the windows side.
>
> It certainly looks like there's not much more on the Cisco than putting
> "ip pim sparse-dense-mode" on each interface.  I don't *think* I need an
> RP, but that doesn't look too tough to setup either.
>
> Thanks,
>
> Charles
>
> > http://www.cisco.com/warp/public/794/7200faq.html
> >
> > it is definitely supported on the C10000 per:
> >
> > http://www.cisco.com/warp/public/cc/pd/rt/10000/prodlit/2137_pp.pdf
> >
> > but i can't find (in my cursory search) config guides for the 7200.
> >
> > cheers
> > .siva
> >
> >
> >
> >
> > On Thu, 6 May 2004, Charles Sprickman wrote:
> >
> > > Anyone?  It's not like I'm asking about ipv6... :)
> > >
> > > On Mon, 3 May 2004, Charles Sprickman wrote:
> > >
> > > > Hi,
> > > >
> > > > I've got a few questions about multicast, mostly Cisco, but there's some
> > > > other issues that perhaps some of you have dealt with.
> > > >
> > > > First issue, does anyone know if RBE (used for bridged DSL circuits coming
> > > > in on an ATM line) passes multicast?  Meaning, does it look like a LAN to
> > > > multiple hosts in the same subnet that are all bridged?  From what I can
> > > > see so far it seems not, but it would be very helpful if someone could
> > > > confirm that.
> > > >
> > > > The second issue is more generic, and I apologize for bringing this to
> > > > -nsp, but I have to imagine some of you have done this before.
> > > >
> > > > I need to make multicast "work" for a group of 10 DSL lines.  I thought
> > > > this would be simple; just bridge all of them using RBE and be done with
> > > > it.  The server is Window Media server on W2K Server.  It seems it will
> > > > not allow any multicast stations to be defined unless you enable the W2K
> > > > routing services and setup IGMP.  However, if you do this, the stream is
> > > > not available on the "local" all-hosts or all-routers IPs; it's off in
> > > > it's own little range.  So that complicates things.
> > > >
> > > > So now I'm at a loss.  The multicast support on DSL CPE routers seems a
> > > > bit dodgy, and for the most part completely undocumented by the vendor
> > > > (Netopia and Zyxel are the choices).  And since I don't know what RBE does
> > > > with multicast, I may need a router at all sites.  Argh.  Any pointers to
> > > > how to setup the Cisco that terminates all these connections to handle
> > > > this scenario?
> > > >
> > > > I've had little luck finding a good high-traffic multicast list,
> > > > especially one that will even touch a question that veers into the windows
> > > > world.
> > > >
> > > > Any help at all is appreciated, even a pointer to another good list.
> > > >
> > > > Thanks,
> > > >
> > > > Charles
> > > >
> > > > --
> > > > Charles Sprickman
> > > > spork at inch.com
> > > >
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