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Re: Multicast problem posted 08/06/2002
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What makes you think 240.0.0.1 and 241.0.0.2 are
multicast addresses?


"Krucker, Louis" wrote:
> 
> Hi folks
> 
> I play around with a simple multicast lab and run in some troubles
> 
> |-R2-------------R1---------------R4--|
> 
> R2 is the multicast source, R1 is the mapping agent and R4 is connected
> to multicast receivers. I use sparse-dense mode on all interfaces, R2 is the
> RP.
> 
> My idea was to simulate two multicast groups on R2 which i can ping from
> R4 to test it.
> 
> On R2 i use ip igmp join-group 240.0.0.1
>             ip igmp join-group 241.0.0.2
> and on the ethernet "ip pim send-rp-announce Loopback0 scope 10"
> to announce the rp to the cloud.
> 
> On R1 i have configure ip pim send-rp-discovery lo 0 scope 10 to
> set up a mapping agent. On R4 i configured only multicast-routing and
> sparse-dense mode on the interfaces which route multicast.
> 
> The problem I can ping those groups from the MA but not from R4, does
> somebody know where is the mistake ? IP routing is OK because i can ping
> from R4 the ethernet interface where thos two sourced are connected.
> 
> Thanks for help
> 
> Louis
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