Re: IPV6 Multicast

Hello,

Remember that these are not real receivers, but routers that >act< as
receivers. Routers don't talk MLD between each other, they speak PIM.
So, in your case, you must have R1, R2 and R3 fully aware of RP. R0
doesn't have to know anything, as the source doesn't require any
knowledge of the multicast. Clients need to speak some multicast
language. Host-router is MLD and router-router is PIM.

( I really don't want to do yet another shameless plug for our latest
product, but... our AoD has this stuff for IPv6, too )

--
Marko Milivojevic - CCIE #18427
Senior Technical Instructor - IPexpert
Mailto: markom_at_ipexpert.com
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
Web: http://www.ipexpert.com/
On Mon, Mar 15, 2010 at 22:00, Muzammil Malick <malickmuz_at_gmail.com> wrote:
> Configuring all routers with static RP, which in my case is R1, solved the
> problem.But this breaks my understanding of source and receivers.
>
> Does this mean that in ipv6 the receiver somehow tries to contact the RP
> directly?
> I'm confused!
>
> On 15 March 2010 21:54, Joe Astorino <jastorino_at_ipexpert.com> wrote:
>
>> I would put the static RP command everywhere even if it is not technically
>> required. B Let's try to narrow down the problem. B  Which router is the RP?
>> Is the topology as simple as what you wrote out or is there a possibility of
>> an RPF failure or something of that nature?
>>
>> On Mon, Mar 15, 2010 at 5:51 PM, Muzammil Malick <malickmuz_at_gmail.com>wrote:
>>
>>> It is static, now when you say all the routers, do I need the RP
>>> configured on all routers, or just R1 an R2?
>>>
>>> This is how I would have done things in ipv4, with the source (R0) and the
>>> receiver (R3) not needing to have RP info
>>>
>>>
>>> On 15 March 2010 21:41, Joe Astorino <jastorino_at_ipexpert.com> wrote:
>>>
>>>> How do you have the RP learned on all your routers? B Static or BSR? B Is
>>>> that functioning properly? B Do all routers know who the RP is (Assuming you
>>>> are using sparse-mode and not SSM) ?
>>>>
>>>> On Mon, Mar 15, 2010 at 5:36 PM, Muzammil Malick <malickmuz_at_gmail.com>wrote:
>>>>
>>>>> Hi can somebody please help me out.
>>>>>
>>>>> I have searched the archives and nobody seems to have talked about this.
>>>>>
>>>>> The DOC CD is very vague on this but I am trying to configure multicast
>>>>> in
>>>>> the following scenario
>>>>>
>>>>> R0 ------- R1 ------ R2 ------- R3
>>>>>
>>>>> I have enabled IGP reachability between the routers with EIGRPv6 and
>>>>> have
>>>>> enabled ipv6 multicast-routing on all routers.
>>>>>
>>>>> R3 is joining group using
>>>>>
>>>>> ipv6 mld join-group FF04::10
>>>>>
>>>>> I am using R0 as a source but when I ping the group FF04::10, R1 and R2
>>>>> are
>>>>> pruning the traffic. R1's outgoing interface list is null.
>>>>>
>>>>> Now from my ipv4 days this suggests that there is no source that
>>>>> is interested in receiving traffic for the group. However I have joined
>>>>> the
>>>>> group at R3
>>>>>
>>>>> Can someone point me at what I am missing or doing wrong?
>>>>>
>>>>> R1
>>>>>
>>>>>
>>>>> (155:1:1::1, FF04::10), 00:00:05/00:03:23, flags: SPFT
>>>>> B Incoming interface: FastEthernet1/0
>>>>> B RPF nbr: FE80::C800:8FF:FEE8:1C
>>>>> B Outgoing interface list: Null
>>>>>
>>>>>
>>>>> R2
>>>>>
>>>>> (*, FF04::10), 00:32:51/never, RP 155:1:2::1, flags: SPC
>>>>> B Incoming interface: FastEthernet1/1
>>>>> B RPF nbr: FE80::C801:8FF:FEE8:1D
>>>>> B Immediate Outgoing interface list:
>>>>> B  B FastEthernet1/0, Null, 00:32:51/never
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>> Blogs and organic groups at http://www.ccie.net
>>>>>
>>>>> _______________________________________________________________________
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>>
>>>>
>>>>
>>>> Joe Astorino - CCIE #24347
>>>> Sr. Technical Instructor - IPexpert
>>>> Mailto: jastorino_at_ipexpert.com
>>>> Telephone: +1.810.326.1444
>>>> Live Assistance, Please visit: www.ipexpert.com/chat
>>>> eFax: +1.810.454.0130
>>>>
>>>> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand,
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>>>>
>>>
>>>
>>
>>
>> --
>> Regards,
>>
>>
>>
>> Joe Astorino - CCIE #24347
>> Sr. Technical Instructor - IPexpert
>> Mailto: jastorino_at_ipexpert.com
>> Telephone: +1.810.326.1444
>> Live Assistance, Please visit: www.ipexpert.com/chat
>> eFax: +1.810.454.0130
>>
>> IPexpert is a premier provider of Self-Study Workbooks, Video on Demand,
>> Audio Tools, Online Hardware Rental and Classroom Training for the Cisco
>> CCIE (R&S, Voice, Security & Service Provider) certification(s) with
>> training locations throughout the United States, Europe, South Asia and
>> Australia. Be sure to visit our online communities at
>> www.ipexpert.com/communities and our public website at www.ipexpert.com
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net