Thanks Marco I realised that after I hit send. Clever me! Sent from my iPhone
On 21/12/2012, at 3:59 AM, "Marko Milivojevic" <[email protected]> wrote: > Michael, > > You may be mixing up BSR and MA here. BSR is sent to 224.0.0.13 (All > PIM Routers; link-local) with the TTL of 1. MA sends traffic to > 224.0.1.40 (globally routable) with the TTL set using the "scope" > keyword during the configuration. > > -- > Marko Milivojevic - CCIE #18427 (SP R&S) > Senior CCIE Instructor - IPexpert > > On Thu, Dec 20, 2012 at 2:07 AM, Michael Davis - Webquor > <[email protected]> wrote: >> Hi there please read this article: >> http://www.cisco.com/en/US/docs/ios/solutions_docs/ip_multicast/White_papers/frm_rlay.html#wp1029926 >> It should answer all your questions. It is a good read. >> I don't think placing the Mapping agent on a spoke is supported and I doubt >> you would ever need to do it. >> Remember too if you are using sparse mode, make sure to enable IP pim autorp >> listener on each router, as it allows those two groups for autorp to run in >> dense mode. If anyone else has any input or corrections please contribute. >> >> >> Sent from my iPhone >> >> On 20/12/2012, at 7:10 PM, "Baldeep Birdy" >> <[email protected]<mailto:[email protected]>> wrote: >> >> Ok so what's the purposed of the TTL in - ip pim send-rp-discovery scope >> ttl-value >> >> I thought by setting this you can control/or permit the flow of your RP >> MAppings to routers who want to learn??? >> >> Thanks >> B >> >>> From: [email protected]<mailto:[email protected]> >>> To: [email protected]<mailto:[email protected]> >>> CC: [email protected]<mailto:[email protected]> >>> Subject: Re: [OSL | CCIE_RS] Multicasting NBMA Frame-Relay and AutoRP >>> Date: Thu, 20 Dec 2012 07:05:06 +0000 >>> >>> Auto RP mapping agent traffic had a ttl of 1. You cannot change that. Hub >>> must be MA. >>> >>> Sent from my iPhone >>> >>> On 20/12/2012, at 4:13 PM, "Baldeep Birdy" >>> <[email protected]<mailto:[email protected]>> wrote: >>> >>>> So I've been spending a lot of time on multicasting and today was playing >>>> with the deployment of AutoRP within a FR Cloud. I have my RP at the hub >>>> site, with my MA deployed at a spoke. Straight away I ran into issues with >>>> my MA announcements, on 224.0.1.40, being sent to my other spoke routers, >>>> to the hub site no issues. Note, that this was intended to further cement >>>> my understanding of frame-relay concepts and also mcast. >>>> >>>> Now my thought process was that the 224.0.1.40 annoucements are not >>>> getting to my spoke, they are being sent to the hub who is not forwarding >>>> them on. I then remembered that these announcements are sent to your PIM >>>> neighbours only, and my initial thought was that enabling autorp listener >>>> on the hub would resolve the issue. Alas no, would like someone to explain >>>> this. >>>> >>>> Second though, ok I need to get the spokes to become neighbours, I >>>> configured frame-relay map ip statements, with the broadcast command, >>>> between my spokes but again no result. >>>> >>>> Final thought, setup a GRE tunnel between them and configure PIM on the >>>> tunnel, with the required static mroute to fix my RFP failure, result >>>> worked. >>>> >>>> So going back I'm now a little confused about points 1 and 2. Clearly I've >>>> got a gap in my theory. >>>> >>>> 1. AutoRP listener, causes the router to flood autorp messages within the >>>> environment, so why not from the hub down to spokes? I configured no ip >>>> split horizon on the interface thinking is it a split horizon issue, but >>>> this is for routing right? so a red herring? >>>> >>>> 2. With the frame-relay map statements, why didn't my spokes become >>>> neighbours? I have broadcast statements so the packets would have been >>>> unicasted out? >>>> >>>> I've read that the MA SHOULD be placed at the hub, so it has full >>>> communication. Short of using a GRE tunnel is this my only option? There >>>> has to be an alternative, what am I missing. >>>> >>>> Thanks >>>> Bal >>>> >>>> _______________________________________________ >>>> For more information regarding industry leading CCIE Lab training, please >>>> visit www.ipexpert.com<http://www.ipexpert.com> >>>> >>>> Are you a CCNP or CCIE and looking for a job? Check out >>>> www.PlatinumPlacement.com<http://www.PlatinumPlacement.com> >>>> >>>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> _______________________________________________ >> 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 >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs _______________________________________________ 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 http://onlinestudylist.com/mailman/listinfo/ccie_rs
