[c-nsp] N7k PIM Anycast RP - Do we still need MSDP to sync RPs?

[Adam Vitkovsky]

That is great for intra-domain use -one learns something new every day :) 
Strange I have never came across this RFC 4610 when played with Anycast RPs. 
And would you have all the filtering options and knobs as with MSDP? 

adam
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Tim Stevenson
> Sent: 05 March 2015 15:59
> To: Phil Mayers; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] N7k PIM Anycast RP - Do we still need MSDP to sync RPs?
> 
> This is RFC 4610.
> 
> Tim
> 
> At 06:41 AM 3/5/2015  Thursday, Phil Mayers murmered:
> >On 05/03/15 10:00, Gert Doering wrote:
> >>Hi,
> >>
> >>On Wed, Mar 04, 2015 at 03:19:09PM -0800, Tim Stevenson wrote:
> >>>You do not need MSDP under this configuration, Anycast w/PIM &
> >>>Anycast w/MSDP are two different ways to do basically do the same
> thing.
> >>
> >>So, pure curiousity: I know how Anycast w/MSDP works, but with classic
> >>IOS, there is no "Anycast w/PIM" - how is this done, protocol-wise?
> >
> >The PIM RPs forward the PIM register to the other PIM RPs, if it
> >didn't come *from* one of those RPs. They do it over "real" IPs
> >rather than the anycast IP, of course.
> >
> >It's been around on JunOS for ages, and works great. Never tried it
> >on supporting Cisco boxen, but I imagine it works just the same.
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> 
> 
> 
> 
> 
> Tim Stevenson, tstevens at cisco.com
> Routing & Switching CCIE #5561
> Distinguished Engineer, Technical Marketing
> Data Center Switching
> Cisco - http://www.cisco.com
> +1(408)526-6759
> 
> 
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