From: Ray Rossi (niceguyray2002@yahoo.com)
Date: Mon Jul 07 2003 - 17:01:42 GMT-3
Hello all
I have been working on this IP Multicast helper-map scenario for sometime and I'm not quite sure if I have the working solution correct? . Most of the cisco CCO secnarios always seem to have a ( 1) way flow from Broadcast ( NON Multicast compatible) domain to another broadcast domain. my secnario has ( 1) ethernet broadcast domain that is non Multicast aware and another ethernet domain which is Multicast aware. I'm just not sure on the complete configurations for this to work. example and my configs below
E0------- R1 ---S0-------------------- S0 R2---------------------E0
R1 and R2 run IP PIM Dense Mode
R1 ethernet should join Group 225.0.0.5
R2 ethernet should join group 225.0.0.2
R1 has hosts on its Ethernet segment that do not understand Multicast. R2 ethernet Hosts understand Multicasr
Here is my config Im not sure if this is correct because most documentation uses only broadcast to broadcast scenarios for multicast conversion. Is the configuration on R1 ok? And since R2 is a multicasr capable router does it need any conversion on it? Any replies woul;d be appreciated Thanks Configs listed below
R1
Ip multicast-routing
Int s0/0
Ip pim dense-mode
Int Ethernet 0
Ip pim dense-mode
ip igmp join-group 225.0.0.5
Ip Directed-broadcast
Ip multicast helper-map broadcast 225.0.0.5 100
Access-list 100 permit udp any any eq 3000
Access-list 100 deny any any udp
Ip forward-protocol udp 3000
R2
Ip multicast-routing
Int s0/0
Ip pim dense-mode
Int Ethernet 0
Ip pim dense-mode
Ip igmp join-group 225.0.0.2
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