Implementation of multicast, at least for the purposes of the CCNP BCMSN exam, is pretty simple. Cisco has the Multicast Quick-Start Configuration Guide which goes over many different ways of doing it.
The exam seems to only care about Protocol Independent Multicast (PIM), which uses the router’s routing table to determine whether or not a [...]

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I labbed up some Multicast stuff a while ago and only now am sitting down to write it. I’d like to write BCMSN by the end of the month because I’m taking two weeks off at the beginning of August where I won’t be near the Internet (or my routers) too often.
What is multicast?
Multicast [...]

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