From: mathew@oztralia.com
Date: Thu Aug 11 2005 - 06:02:07 GMT-3
Hi Ozgur
Just after sending the email I tried on different configs and all worked
well.
I could understand them very well.
I played around with RP, MA placing, ip pim nbma-mode, ip pim autorp
listener etc.
I think CISCO docs has many conflicting wording that does not clearly
describe the multicast tpoic.
I am not sure others feel the same way.
Thank for your reply.
mathew
> Hi Mathew,
> I suggest you lab each such scenario when you don't know the answer.
> Real CCIE study is studying such simple scenarios, which you can build
> with a few routers.
>
> Good luck.
> Ozgur
> -----Original Message-----
> From: Mathew [mailto:mathew@oztralia.com]
> Sent: Thursday, August 11, 2005 4:19 AM
> To: Ozgur Guler
> Subject: Re: Multicast DM/SM on NBMA hub-and-spoke topology
>
> Hi Ozgur
>
> Thanks for the reply.
> You have really answered my question %100, just with 2 lines. That's
> great
> and it will help my CCIE preparation.
>
> mathew.
>
> ----- Original Message -----
> From: "Ozgur Guler" <ozgur.guler@milleni.com.tr>
> To: "Chris Lewis (chrlewis)" <chrlewis@cisco.com>;
> <mathew@oztralia.com>;
> <ccielab@groupstudy.com>
> Sent: Thursday, August 11, 2005 12:10 AM
> Subject: RE: Multicast DM/SM on NBMA hub-and-spoke topology
>
>
>> Spoke to spoke multicast is not allowed.
>> If you have sparse-mode configured ip pim nbma-mode solves this issue.
>>
>> Ozgur
>> CCIE# 13237
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
>> Chris Lewis (chrlewis)
>> Sent: Wednesday, August 10, 2005 4:49 PM
>> To: mathew@oztralia.com; ccielab@groupstudy.com
>> Subject: RE: Multicast DM/SM on NBMA hub-and-spoke topology
>>
>> Google identifies the following link as the number one document to
>> address these questions.
>>
>>
> http://www.cisco.com/univercd/cc/td/doc/cisintwk/intsolns/mcst_sol/frm_r
>> lay.htm
>>
>> Chris
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
>> mathew@oztralia.com
>> Sent: Wednesday, August 10, 2005 8:43 AM
>> To: ccielab@groupstudy.com
>> Subject: Multicast DM/SM on NBMA hub-and-spoke topology
>>
>> Hi Multicast experts,
>>
>>
>> Can someone clarify how the Dense & sparse mode work on a NBMA /
>> hub-and-spokes setup?
>>
>> 1. Is dense multicast traffic allowed between spokes?
>> 2. Is sparse multicast traffic allowed between spokes?
>> 3. What does the "ip pim nbma" command on hub multipoint interface
> solve
>> here?
>>
>> If you can pint to a link to clarify these, it will be much
> appreciated.
>>
>>
>> Thank you for your replies.
>>
>> mathew
>>
>>
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