To answer that, I would have to read the actual lab and then spend two months understanding what it says :-). I can offer my expertise on R&S part of it, not what ASA does with the traffic :-)
-- Marko Milivojevic - CCIE #18427 (SP R&S) Senior CCIE Instructor - IPexpert On Tue, Mar 27, 2012 at 01:04, Kingsley Charles <[email protected]>wrote: > Hi Marko, > > The Multicast Server is the ,which is behind the ASA. > > Even I feel it should be through the tunnel. But in IPexpert's Vol 2 lab > 17, the RP is being routed through the ASA and they have added a mroute > through the tunnel to overcome the RPF check. It worked, but how will the > IGMP messages reach the RP when it is being routed through the ASA? > > > With regards > Kings > > > On Tue, Mar 27, 2012 at 11:58 AM, Marko Milivojevic > <[email protected]>wrote: > >> >> What is the direction of the multicast traffic flow? I.e. where are >> clients and servers? >> >> To understand why I'm asking you thins, please go to our blog and read >> this series of articles. That will explain the traffic flow you need to >> support and will subsequently answer the question you have here: >> >> http://blog.ipexpert.com/2011/05/04/understanding-pim-register-process/ >> >> http://blog.ipexpert.com/2011/05/09/pim-register-there-is-a-source-but-no-clients/ >> >> http://blog.ipexpert.com/2011/06/30/pim-register-there-are-clients-but-no-source/ >> >> The issue of not routing the RP address through the correct interface >> will most likely cause RPF failure. To read about that particular issue: >> >> http://blog.ipexpert.com/2010/12/13/multicast-reverse-path-forwarding-rpf/ >> >> http://blog.ipexpert.com/2010/12/15/multicast-rpf-failure-recovery-using-igp-routing/ >> >> http://blog.ipexpert.com/2010/12/27/multicast-rpf-failure-recovery-using-static-rpf/ >> And if you're *really* adventurous: >> http://blog.ipexpert.com/2010/12/29/multicast-rpf-failure-recovery-using-bgp/ >> >> Hope this helps. >> >> P.S. My gut feeling says "tunnel" :-) >> >> -- >> Marko Milivojevic - CCIE #18427 (SP R&S) >> Senior CCIE Instructor - IPexpert >> >> On Sat, Mar 17, 2012 at 01:35, Kingsley Charles < >> [email protected]> wrote: >> >>> Hi all >>> >>> I have the following the topology. The ASA in multicontext mode is >>> sitting in between the KS and GM. I am using a GRE point to point tunnel >>> interface between R1 and R2. >>> >>> I am using pim sparse mode and the loopback of R1 is the PIM RP >>> >>> R1 (KS) L0 ------ ASA (multicontext) ------- R2 (GM) >>> >>> Ok, the R1's loopback address is routed through the ASA from R2. >>> >>> But the PIM tree is running across the tunnel. >>> >>> So should the R1's loopback address be routed through the tunnel or ASA? >>> >>> Or just adding the mroute for R1's loopback address through the tunnel >>> interface is suffice while the regular route is through ASA? >>> >>> With regards >>> Kings >>> _______________________________________________ >>> For more information regarding industry leading CCIE Lab training, >>> please visit www.ipexpert.com >>> >>> Are you a CCNP or CCIE and looking for a job? Check out >>> www.PlatinumPlacement.com >>> >> >> >
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
