From: Andy (trung@vnsystem.net)
Date: Fri Jul 29 2005 - 14:29:12 GMT-3
heh..heh...
Why say sorry to me, Tim :)
I appreciate every single answer or comment from you.
Btw, i'd like to take this change to say thank you to Tim and Brian.
I learned alot from you.
Andy.
----- Original Message -----
From: "ccie2be" <ccie2be@nyc.rr.com>
To: "'Andy'" <trung@vnsystem.net>; "'Cisco certification'"
<ccielab@groupstudy.com>
Sent: Friday, July 29, 2005 9:40 PM
Subject: RE: Multicast / the multicast group (IEWB lab8)
> Hey Andy,
>
> Actually, I didn't answer that question because I don't know if that's
> answerable. I tend to agree with you that more specific is better but I
> don't know if less specific would lose you points.
>
> I think that if you're not sure, the thing to do is ask the proctor.
>
> Sorry for not having a better answer for you.
>
> Tim
>
> -----Original Message-----
> From: Andy [mailto:trung@vnsystem.net]
> Sent: Friday, July 29, 2005 9:59 AM
> To: ccie2be; 'Cisco certification'
> Subject: Re: Multicast / the multicast group (IEWB lab8)
>
> Hi Tim,
> Thanks for your response soon.
> Ok, i agree with you about matching between groups annouced by MA & RP.
> How about the acl ? i don't realize what you intend to say ?
> I were wondering which one should we use in the lab ?
> i always think that the most precise way should be prefered.
>
> Andy.
>
>
> ----- Original Message -----
> From: "ccie2be" <ccie2be@nyc.rr.com>
> To: "'Andy'" <trung@vnsystem.net>; "'Cisco certification'"
> <ccielab@groupstudy.com>
> Sent: Friday, July 29, 2005 6:58 PM
> Subject: RE: Multicast / the multicast group (IEWB lab8)
>
>
>> Andy,
>>
>> There are a couple things you should know about this config:
>>
>> 1. The groups announced by the rp must be the same as the groups
>> allowed by the MA. So, yes, you need the filter on the rp.
>>
>> 2. You can't use a deny entry in the acl's.
>>
>> 3. The interval parameter isn't needed in this scenario.
>>
>> HTH, Tim
>>
>> -----Original Message-----
>> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>> Andy
>> Sent: Friday, July 29, 2005 5:23 AM
>> To: Cisco certification
>> Subject: Multicast / the multicast group (IEWB lab8)
>>
>> Hi,
>> i'm doing task 7.3 -7.6 lab 8 in IEWB.
>> This states that R1 should anounce its loopback as a candidate RP via
>> Auto-rp
>> and R3 should map all multicast groups with event numbered first octet to
>> R1.
>>
>> Ok, the question is clear enough and this is my answer:
>>
>> R1:
>> !
>> interface Loopback0
>> ip pim sparse-dense-mode
>> !
>> ip pim send-rp-announce Loopback0 scope 16
>>
>>
>> R3:
>> interface Loopback0
>> ip pim sparse-dense-mode
>> !
>> ip pim send-rp-discovery Loopback0 scope 16
>> !
>> ip pim rp-announce-filter rp-list R1_RP group-list R1_GROUPS
>> !
>> ip access-list standard R1_GROUPS
>> permit 224.0.0.0 14.255.255.255
>> !
>> ip access-list standard R1_RP
>> permit 150.1.1.1
>> !
>>
>>
>> And when looking at solution guide, i see this:
>>
>>
>>
>> R3
>>
>> !
>>
>> interface Loopback0
>> ip pim sparse-dense-mode
>> !
>> ip pim send-rp-announce Loopback0 scope 16 group-list 1 interval 5
>> !
>> access-list 1 permit 0.0.0.0 254.255.255.255
>>
>>
>>
>> R3:
>> interface Loopback0
>> ip pim sparse-dense-mode
>> !
>> ip pim send-rp-discovery Loopback0 scope 16
>> !
>> ip pim rp-announce-filter rp-list R1_RP group-list R1_GROUPS
>> !
>> ip access-list standard R1_GROUPS
>> permit 0.0.0.0 254.255.255.255
>> ip access-list standard R1_RP
>> permit 150.1.1.1
>>
>>
>> Ok, two things i want to clarify here are:
>>
>> 1- The access list that match multicast group.
>>
>> permit 0.0.0.0 254.255.255.255 from SG
>> vs
>>
>> permit 224.0.0.0 14.255.255.255 is mine.
>>
>>
>>
>> I don't have a rack to test at the moment but i believe the two of them
>> will
>> work fine. However, which one do you think will be prefered ? The acl
>> that
>> match exactly the multicast score is "better", isn't it ?
>>
>>
>>
>> 2- Do we have to apply R1_Group to both RP in send-rp-annouce and MA in
>> rp-annouce-filter command ? or it's only needed to configure
>> rp-annouce-filter
>> on the mapping agent ? And there's no word about changing annouce
>> interval,
>> why put interval 5 in there ?
>>
>>
>>
>> Comments are welcome.
>>
>>
>>
>> Andy
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sun Sep 04 2005 - 17:00:32 GMT-3