Re: Multicast Issue!

you need to check the state of multicast routing table.
Is the entry present? If it's not, look closer to the destination.

On Fri, Apr 17, 2009 at 6:41 AM, mike jones <ccie1q2008_at_hotmail.com> wrote:

> Yes! I have R1 As the RP! ip pim rp address 150.1.1.1 on all routers
>
> Date: Thu, 16 Apr 2009 22:34:06 -0600
> Subject: Re: Multicast Issue!
> From: bbartik_at_ipexpert.com
> To: ccie1q2008_at_hotmail.com
> CC: ccielab_at_groupstudy.com
>
> Did you configure the RP?
>
> On Thu, Apr 16, 2009 at 10:31 PM, mike jones <ccie1q2008_at_hotmail.com>
> wrote:
>
>
>
>
>
>
> Bryan,
> I changed from dense to sparse-mode with pim nbma-mode on the hub (R1),
> and R2 is still unable to ping 224.25.25.25.
>
>
> Mike
>
> > Date: Thu, 16 Apr 2009 22:08:02 -0600
> > Subject: Re: Multicast Issue!
>
> > From: bbartik_at_ipexpert.com
> > To: ccie1q2008_at_hotmail.com
> > CC: ccielab_at_groupstudy.com
>
> >
> > Mike,
> >
> > The router will not send a multicast packet out of the same interface on
> > which it was received. If you use sparse-mode you can use pim nbma-mode
>
> > which allows the outgoing interface list to be populated by neighbor. You
> > can also use p2p subinterfaces or some type of tunneling. Also, remember
> > static mroutes will not populate the OIL, they only help in RPF checks.
>
> >
> >
> > Bryan Bartik
> > CCIE #23707, CCNP
> > Sr. Support Engineer - IPexpert, Inc.
> > URL: http://www.IPexpert.com
> >
> > On Thu, Apr 16, 2009 at 9:43 PM, mike jones <ccie1q2008_at_hotmail.com>
> wrote:
>
> >
> > > Group,
> > > I have the following lab layer out:
> > >
> > >
> > > Major network 157.1.0.0
> > >
> > >
> > > R1 (hub)
> > > 123.1 / \
>
> > > / \
> > > / \
> > > .2 / FR \ .3 FastE
> > > R2 R3---------R5
> > > .35.3 .35.5
>
> > >
> > >
> > > I am using Phy. interfaces on the Fr connection (I'm sending traffic
> for
> > > the
> > > spokes out the same dlci as for the HUB.)
> > >
> > > Ex. of R2 configure:
>
> > >
> > > frame-relay map ip 157.1.123.1 201 bro
> > > frame-relay map ip 157.1.123.3 201
> > >
> > >
> > > EIGRP is the IGP, and I have Split-horizon disabled on R1. I'm also
>
> > > running
> > > Dense mode on the the links, and i joined R5 to group 224.25.25.25.
> > >
> > >
> > > So fairly sample set up, but I can't ping 224.25.25.25 from R2. And
> debug
> > > on
>
> > > R1 with ping from R2 shows:
> > >
> > > s=157.1.123.2 d=224.25.25.25, mroute olist null
> > >
> > > I know the above debug outout mean that the packet is begin drop due to
> no
> > > outgoing interface was founded. I tried added static mroutes, but
> that
>
> > > did
> > > not work. I got it to work when I configred R1 with two sub-p-to-p
> > > interfaces, but why is it not working with Phy interfaces on R1.
> > >
> > >
> > >
> > > Thanks!
>
> > >
> > >
> > > Mike
> > >
> > > _________________________________________________________________
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> > >
> > >
> >
> >
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> --
> Bryan Bartik
> CCIE #23707, CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
> _________________________________________________________________
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