Re: Multicast...

Ja dobro, kak si ti?

Of all topics in blueprint, mcast is the only one that confuse me :)
In theory, I got all relevant parts of the mcast topic. In lab I
sometime get strange behaviors. I think that is because I use
dynamips....

On Thu, Apr 26, 2012 at 5:04 PM, john matijevic
<john.matijevic_at_gmail.com> wrote:
> Good Morning Ivan,
>
> kako si?
>
> " But, I'm not planning to spend too many time on mcast since
>> it isn't such a crucial part of an exam. "
>
>
> I would make sure you master all the topics on the blueprint.
>
> Here is a resource to help you get started and for your better
> understanding from the documentation website:
>
> http://www.cisco.com/en/US/docs/ios-xml/ios/ipmulti/config_library/12-4t/imc-12-4t-library.html
>
> My plan is to go through all the configuration guides for Multicast.
> There is a lot of material to cover :)
>
>
>
> Regards,
> John
>
>
> On 4/26/12, Ivan Hrvatska <ivanzghr_at_gmail.com> wrote:
>> Well, I didn't know what to put in "Subject" since the mcast is so
>> blurry to me. Probably because I have never worked with PIM or any L3
>> mcast in my practise. At the begining of mcast study (reading some
>> books, watching video bootcamps, attending some real bootcamps) it
>> seems that I got at least 80% of it. And than, after some time pass,
>> or I go further in mcast technology it is becoming less understandable
>> for me :). But, I'm not planning to spend too many time on mcast since
>> it isn't such a crucial part of an exam. I thing that I got the basics
>> and little above it. If some advanced throubleshooting is needed, that
>> would be a problem...
>> Is anybody has similar problem? Any advices about getting familiar with
>> mcast?
>>
>> And some questions (maybe stupid but who cares):
>> - if on one router only loopback joins some groupe, and you do the
>> ping from distance router, why do you get reply from loopback IP and
>> from ethernet interface's IP that is incoming interface for that
>> stream?
>> - in topology with pure PIM-SM (not sparse-dense), two routers are RP
>> and every router, except router X, has static configs about RPs. One
>> router's loopback join some group, and distance router issue ping to
>> mcast address. How come that router X replys to that ping since it
>> doesn't know about RPs? As I understood in SM mcast won't work without
>> RPs.
>>
>> Thanks
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
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Received on Sat Apr 28 2012 - 14:44:03 ART