Jason, Configuring "autorp listener" is no longer required, as most of the 12.4T IOSs will forward 224.0.1.39 and 224.0.1.40 in dense-mode, regardless of the interface settings. Yes, this is contrary to what it used to be.
-- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert FREE CCIE training: http://bit.ly/vLecture Mailto: [email protected] Telephone: +1.810.326.1444 Web: http://www.ipexpert.com/ On Sat, Aug 14, 2010 at 20:14, jason lau <[email protected]> wrote: > in the Multicase Configuration lab, topology is R2 -- R4--- R1, R2 is RP > and mapping agent, all routers' interfaces are in PIM sparse mode.according > to docs, when R4 receives 224.0.1.40 traffic, it won't pass it to R1, the > solution is config PIM auotp listener on R4, so R4 can flood 224.0.1.40 to > R1. > > However, in my lab, why without PIM auotp listener command on any router, > R1 still receive 224.0.1.40 and get correct RP mapping? as I said, NO any > interface is in sparse-dense mode, all are in spare mode. > > Thanks > > Jason > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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