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Auto-RP and MSDP

As I understand, Auto-RP is like an IGP and MSDP is like an EGP. Is this correct and can you use them together? Has anyone here done so?

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Re: Auto-RP and MSDP

Hi there doc,

There are some differences here. Auto-RP is a Cisco protocol that finds the RP in a Sparse mode multicast setup. MSDP is an open protocl and as you suggest is more suited to finding multicast sources in an egp scenareo. (http://www.ietf.org/html.charters/OLD/msdp-charter.html)

Yes you can use them together. MSDP can speak to a source running pim-sparse, which the Auto-RP could be running on.

Regards,

LH

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New Member

Re: Auto-RP and MSDP

I found out that the IETF has a April 2006 Draft that pretty much puts a cap in the head of Auto-RP in favor of Anycast-RP and MSDP, so that's the way we went.

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