Re: Anycast RP

Ahm well of course :-) Reach-ability is the first essential need for a
network geek right? ;-)

--
Regards,
Rick Mur
CCIE2 #21946 (R&S / Service Provider)
Sr. Support Engineer  IPexpert, Inc.
URL: http://www.IPexpert.com
On Mon, Aug 31, 2009 at 12:15 AM, Scott Morris <smorris_at_ine.com> wrote:
>  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
>
>
>  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......
>
>
>
>
>
> 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>
<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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