Re: Multicast

From: Ivan Kuchin (ivan@iip.net)
Date: Fri Jul 21 2006 - 08:48:11 ART

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Found parts in univercd about sparse-mode only and AutoRP.
Really sparse-mode and ip pim autorp listener can coexist together.

<quote>
ip pim autorp listener - Causes IP multicast traffic for the two Auto-RP
groups 224.0.1.39 and 224.0.1.40 to be PIM dense mode flooded across
interfaces operating in PIM sparse mode.
</quote>

http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/himc_c/chap05/mcbbasic.htm#wp1112026

> Hi Ivan,
>
> I do not think so, I'm not 100% sure about ip pim sparse-mode only, one of
> the requirements says that there are multicast groups that the RP does not
> covers
>
> Say
>
> 224.0.0.10, 224.0.0.20, 224.0.0.30
>
> Rx would be the Rp for .20 and .10
>
> On 7/19/06, Osmanov, Orhan <Orhan.Osmanov@siemens.com> wrote:
> > Why don't use ip pim sparse-mode and ip pim auto-rp listener ?
> >
> >
> > Best Regards
> >
> > Orhan Osmanov
> >
> > Senior System Engineer
> >
> > Mobile: +359 888 585630
> >
> > E-mail: orhan.osmanov@siemens.com
> >
> > SIEMENS EOOD
> >
> > Bulgaria, Sofia 1309, 2 "Kukush"str.
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Ivan
> > Sent: Wednesday, July 19, 2006 1:24 PM
> > To: ccielab@groupstudy.com; Stavros Filargyropoulos
> > Subject: Re: Multicast
> >
> > Once task restrict using dense mode, you can't using ip pim
> > sparce-dense-mode.
> > Instead AutoRP need use BSR. As for RP spoofing, think that ip pim
> > bsr-border
> > must be used at border routers.
> >
> > > Hi,
> > >
> > > if a task tells you to configure so that RP spoofing should not
> >
> > happen; and
> >
> > > one restriction tells that ip pim dense is not allowed but they are
> > > multicast groups that the RP does not covers, could I use ip pim
> > > sparse-dense-mode and ip pim rp-announce-filter announcements at the
> > > mapping agent?
> > >
> > > tia
> > > *Stav.
> >
> > _______________________________________________________________________
> >
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> >
> > --
> > Ivan
> >
> > _______________________________________________________________________
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>
> _______________________________________________________________________
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-- 
iWAN kU^IN (mail to: ivan@iip.net)
NOC iip.net 
137-31-04

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