Re: Anycast RP

Well... that and the underlying assumption that if it's your OWN
network you are running Anycast RP for, that any of the multicast source
addresses, you're going to know about already. :) If not, there may be
some other 'issues' going on!

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

JNCIE-M #153, JNCIS-ER, CISSP, et al.

JNCI-M, JNCI-ER

evil_at_ine.com

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Rick Mur wrote:
> Especially for Anycast RP you don't need BGP. The only thing Anycast RP
> means is advertising a rendezvous point with an IP address that is
> advertised by 2 or more routers. That way the router will use the rendezvous
> point according to the RP that is close by according to IGP metric, could
> also be advertised by BGP of course, but as long as the prefix is getting
> advertised everything is fine.
> What you are referring to is like Scott said MSDP. According to spec it's
> needed, but it works as long as you get your RPF information exchanged,
> either by static mroutes, an IGP or BGP. Though MSDP is designed to work
> between Service Providers and thus an MBGP environment. It really depends on
> your topology when used as a lab task.
>
>
> --
>
> Regards,
>
> Rick Mur
> CCIE2 #21946 (R&S / Service Provider)
> Sr. Support Engineer  IPexpert, Inc.
> URL: http://www.IPexpert.com
>
>
> On Sun, Aug 30, 2009 at 10:08 PM, Scott Morris <smorris_at_ine.com> wrote:
>
>
>> According to the MSDP spec (and I thought it used to be on the DocCD) if
>> you have more than two peers you need MBGP. Actually, you don't, but it
>> makes things more efficient if you run it. ;)
>>
>> On the v4 blueprint, I'd see it as a possibility but not necessarily a
>> requirement. v3, no worries.
>>
>> HTH,
>>
>>
>>
>>
>> *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
>>
>> JNCIE-M #153, JNCIS-ER, CISSP, et al.
>>
>> JNCI-M, JNCI-ER
>>
>> evil_at_ine.com
>>
>>
>> Internetwork Expert, Inc.
>>
>> http://www.InternetworkExpert.com
>>
>> Toll Free: 877-224-8987
>>
>> Outside US: 775-826-4344
>>
>>
>> Knowledge is power.
>>
>> Power corrupts.
>>
>> Study hard and be Eeeeviiiil......
>>
>>
>>
>>
>>
>>
>> Rookie Ccie wrote:
>>
>>> Dear Experts,
>>>
>>> Please let me know whether I need BGP on the network to enable Anycast RP
>>> withing a single PIM SM domain or will it be ok with OSPF. BGP
>>>
>> requirement
>>
>>> is not mentioned on Cisco Doc's.
>>>
>>>
>>>
> http://www.cisco.com/en/US/docs/ios/ipmulti/configuration/guide/imc_basic_cfg
> _ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1062999
>
>>> Rgds
>>>
>>>
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Received on Sun Aug 30 2009 - 18:15:25 ART