From: Hobbs (deadheadblues@gmail.com)
Date: Tue Jan 06 2009 - 21:44:38 ARST
I guess you could use ip pim bsr-border...
On Tue, Jan 6, 2009 at 4:38 PM, Hobbs <deadheadblues@gmail.com> wrote:
> Thank you Roger. That does explain it. How would prevent a bogus RP from
> advertising itself? ACL blocking 224.0.0.13 on a router port? Neighbor
> filter? I guess this assumes you have a router attached to a LAN and it has
> PIM enabled...
>
>
> On Tue, Jan 6, 2009 at 4:30 PM, Roger RPF <rpf@bluemail.ch> wrote:
>
>> Hobbs,
>>
>> This is a different concept than with AutoRP. With BSR, the BSR does not
>> decide which is the best RP for each group (as the MA in AutoRP does), he
>> just sends out all group to rp-mapping information via bootstrap messages
>> to
>> the other routers (224.0.0.13).
>> Then, the other PIM routers choose the best RP for each group.
>> So you have to filter in the rp candidate messages for which group the
>> related rp is responsible
>> ip pim rp-candidate interface-type interface-number [group-list
>> access-list]
>> [interval seconds] [priority value]
>>
>> With AutoRP, the Mapping Agent decides, after he got all the rp-announce,
>> which rp is responsible for which group (based on the higher ip address if
>> two rp announce the same group).
>> So if we have multiple Auto-RP domains crossing, or different mapping
>> agents, we may want to specify for which RP's the Mapping agent is in
>> charge
>> of. We can do that with a rp-announce filter.
>>
>> I hope my explanation is not too confusing :o))
>>
>> regards
>>
>> Roger
>>
>> -----Urspr|ngliche Nachricht-----
>> Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Im Auftrag von
>> Hobbs
>> Gesendet: Dienstag, 6. Januar 2009 22:48
>> An: Cisco certification
>> Betreff: Is there a BSR equivalent to "ip pim rp-announce-filter"?
>>
>> Hello,
>>
>> Is there a BSR equivalent to "ip pim rp-announce-filter" ?
>> If you had to restrict which groups a router was RP for, at the BSR - how
>> could you do it?
>>
>> thanks,
>>
>>
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