Multi-DC Auto-RP with MSDP Design Question

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Mar 11th, 2010
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Most of Cisco design seem to recommend Anycast....then the latest DCAP came out which apppears to combine anycast, auto-rp and msdp but there isn't much sample configs:


I want to setup the multicast base on page 2-46.

http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns743/ns758/networking_solutions_products_genericcontent0900aecd806c3a8c.pdf


I have 3 DC link by a MPLS WAN. On each DC redundant cores, I assume I setup Anycast with MSDP and do Auto-RP on the Anycast RP address.


Assuming Layer 3, on the downstream Distribution and Access, I believe I should setup a static RP pointing to the local DC Cores (ie ip pim rp-address 10.100.106.1 or should I just setup autorp like Edge on next sentence)


On the Edge WAN routers, I will setup "Ip pim autorp listener"


So is the above correct?


I have another question on the "override" option below


*******DC redundant Cores*****


interface Loopback105

description ****MSDP LOCAL PEER ADDRESS****

ip address 10.100.105.1 255.255.255.255

!

interface Loopback106

description ****ANYCAST RP ADDRESS****

ip address 10.100.106.1 255.255.255.255

ip pim sparse-mode

ip msdp peer 10.100.105.2 connect-source Loopback105

ip msdp cache-sa-state

ip msdp originator-id Loopback105

ip access-list standard AUTO-RP-CONTROL-GROUP

permit   224.0.1.39

permit  224.0.1.40

ip pim rp-address 10.100.106.1 AUTO-RP-CONTROL-GROUP (do I need the “override” option?)

ip pim send-rp-announce 10.100.106.1 scope 16 group-list AUTO-RP-CONTROL-GROUP

ip pim send-rp-discovery scope 16



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