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Forum Replies

  1. Really a nice Blog.

  2. Hi Jeffrey,

    Once the DR receives the register stop, it will start a 60 second “register suppression” timer. During this time, it will not forward any PIM register messages to the RP. Five seconds before the timer expires, it will send a “null register” message to the RP. Now there are two options:

    Option 1) The RP still doesn’t have anyone that is interested in the multicast stream, if so it will send another register stop message and the DR will reset its suppression time.

    Option 2) If the RP does have receivers, it won’t send anything to the DR. The DR its ti

    ... Continue reading in our forum

  3. Hi Nagender,

    In my example, I don’t have a loopback interface on R2. Only R3 has one since it’s the RP of this network.

    R1 and R4 are the source and receiver, I’m using routers but these are only used as host devices. That’s why you don’t need PIM on their interfaces, you could also replace them with windows/linux computers. Make sure you have PIM enabled on the routers that are facing your hosts (R2 and R3).


  4. “First we will enable multicast routing and PIM dense mode on all routers:”
    - looks like a misprint. Should be sparse mode, right?

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