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

[Tim Stevenson]

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