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Linux® Routing by Ron McCarty, Dee-Ann LeBlanc, Joe Brockmeier

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The PIM-SM Linux Daemon: pimd

For your PIM-SM routing pleasure, we chose to cover pimd (ftp://catarina.usc.edu/pub/pim/pimd/). As you’ll learn in this chapter’s sidebars, you do have other options available under Linux, but this one made the most sense to cover here. pimd is a single-purpose, single-protocol daemon. After seeing how complex the public gated is to configure in Chapter 5, “Inside the Unicast Kernel 2.2.x Daemons,” you will probably find this fact a blessing.

PIM-SM seems destined to be a favorite among the multicasting community. It is a low-overhead protocol and handles directing of traffic efficiently, especially in Sparse Mode situations where people listening to any given multicast channel are on machines widely spread network-wise ...

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