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Webcast-Catalyst9k
New Member

multicast config problem

Scenario:

I have a router that is configured for multicast (pim sparse mode). Behind this router is a host that does not understand multicasts, only uni and broadcasts.

Question:

How do I configure the router so that the host can join the multicast group?

Thanks, Meg

1 ACCEPTED SOLUTION

Accepted Solutions
New Member

Re: multicast config problem

Pls try ' ip multicast helper-map ......', look into the URL for details.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ipcpt3/1cfmulti.htm#18662

Rgds / Tao

2 REPLIES
Green

Re: multicast config problem

If the device doesn't understand multicast, then you'll need some kind of conversion upstream.

Is it possible that the transitting device does "smallcasting" (unicast) ala the Cisco IPTV?

Can it be done with DVMRP?

Scott

New Member

Re: multicast config problem

Pls try ' ip multicast helper-map ......', look into the URL for details.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr_c/ipcpt3/1cfmulti.htm#18662

Rgds / Tao

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