Re: Multicast Issue!

Is the RP address reachable from all the routers and have you
configured sparse-mode on the interface which is the RP ip address i.e
150.1.1.1 ? What does a show ip mroute or a debug on R1 say ?

Regards,
Ravi

On Fri, Apr 17, 2009 at 5:41 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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>> >
>> >
>
>> >
>> >
>> >
>> >
>> >
>>
>>
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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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>
>
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>
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Received on Fri Apr 17 2009 - 09:38:23 ART