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Participant

PIM-SM RPF does not offer redundancy when using HSRP/VRRP -> any news?

Hi,

does anybody know if meanwhile there is a possibility to offer automatic failover for pim rpf when using hsrp/vrrp with static routing between two router pairs?

In testlab on a Cat4500 Sup7 we used a multicast static route that generally lets pim rpf work, like described in

http://www.cisco.com/en/US/tech/tk828/technologies_tech_note09186a0080094aab.shtml

But when the active router fails which is the destination of that mroute entry, pim-sm also fails because there is no automatic routing fail-over to the backup router.

Best Regards,

Thorsten

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Beginner

Try a static mroute for secondary hsrp routers physical ip also and let rpf decide which is best. Or use a routing protocol which would remove any unreacable addresses.



Sent from Cisco Technical Support Android App

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Unfortunately on the sup 7 you can add only one static mroute per destination. A second one with different next hop overwrites the first one. Dynamic routing is not possible in our case because it's planned to be used to connect two different companies.

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