Multicast forwarding with anycast

From: bradford.hung (bradford.hung@gmail.com)
Date: Sat Mar 29 2008 - 23:20:12 ART


Hi GS,

I have a question & I'm hoping someone can correct me or point in the appropriate direction.

This is the scenario1(Bad case)

        Server (on Vlan 6)
          |
         R1-----R3----SW1------Client
          | | |
         R2-----R4------

This is the scenario2(Good case)

        
         R1-----R3----SW1------Client
          | | |
         R2-----R4------
          |
        Server(on Vlan 6)

R1 and R2(DR) are running MSDP and R4 is the pim DR, the problem is Client can't receive multicast in scenario1 but successfully in scenario2. And the multicast fordwarding path is Server->R2->R4->SW1->Client if it is forwarding successfully in scenario2. I don't know why the the client can't receive any multicast in scenario1.

Thanks in advance



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