From: Mujeeb Sarwar (mujeebsarwar@gmail.com)
Date: Fri Aug 08 2008 - 16:52:35 ART
Yes, because of this condition given in task i.e to filter on mapping agent
( R1 ) we will have to filter on both RP and MA otherwise filtering only on
RP would be the simple solution.
Regards,
Mujeeb
On Fri, Aug 8, 2008 at 11:43 PM, Hobbs <deadheadblues@gmail.com> wrote:
> Ok. I think I see how this works. Because R3 and R5 only send an RP message
> for 224.0.0.0/4 the mapping agent will not split this up. You have to
> break up the groups on the autorp-candidates.
>
> In other words If I do this on R3:
>
> access-list 3 permit 237.0.0.0 0.255.255.255
> access-list 3 permit 238.0.0.0 0.255.255.255
> access-list 3 permit 239.0.0.0 0.255.255.255
>
> ip pim send-rp-announce lo 0 scope 5 group-list 3
>
> Now R1 can filter the other groups except 239.0.0.0/8. Otherwise It just
> filters the only group it sees.
>
>
>
> On Fri, Aug 8, 2008 at 1:32 PM, Hobbs <deadheadblues@gmail.com> wrote:
>
>> Thank you for your reply. The task says to only configure R1.
>> Why would we have this feature available if you still had to filter on the
>> RP?
>>
>>
>> On Fri, Aug 8, 2008 at 1:26 PM, Mujeeb Sarwar <mujeebsarwar@gmail.com>wrote:
>>
>>>
>>> Hello Hobbs,
>>>
>>> You need to do filtering on RPs as well for respective groups.
>>>
>>>
>>> Regards,
>>>
>>> Mujeeb
>>>
>>> On Fri, Aug 8, 2008 at 10:17 PM, Hobbs <deadheadblues@gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> Here are my requirements:
>>>>
>>>> R3, 150.1.3.3 should be RP for 239.0.0.0/8
>>>> R5 <http://239.0.0.0/8R5>, 150.1.5.5 should be RP for
>>>> 226.0.0.0-238.255.255.255
>>>>
>>>> Here is what I have come up with on R1 the mapping agent:
>>>>
>>>> access-list 3 permit 150.1.3.3
>>>> access-list 30 permit 239.0.0.0 0.255.255.255
>>>> ip pim rp-announce-filter rp-list 3 group-list 30
>>>>
>>>> access-list 5 permit 150.1.5.5
>>>> access-list 50 deny 224.0.0.0 1.255.255.255
>>>> access-list 50 deny 239.0.0.0 0.255.255.255
>>>> access-list 50 permit 224.0.0.0 15.255.255.255
>>>> ip pim rp-announce-filter rp-list 5 group-list 50
>>>>
>>>> Yet here are the messages I get on R1:
>>>>
>>>> *Mar 1 09:14:24.215: Auto-RP(0): Received RP-announce, from 150.1.3.3,
>>>> RP_cnt 1, ht 181
>>>> *Mar 1 09:14:24.215: Auto-RP(0): Filtered 224.0.0.0/4 for RP 150.1.3.3
>>>> *Mar 1 09:14:58.439: Auto-RP(0): Received RP-announce, from 150.1.5.5,
>>>> RP_cnt 1, ht 181
>>>> *Mar 1 09:14:58.439: Auto-RP(0): Filtered 224.0.0.0/4 for RP 150.1.5.5
>>>>
>>>>
>>>> Is there something I am missing? R1 is filtering all the groups....
>>>>
>>>> thanks,
>>>>
>>>>
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