I was searching on Cisco Web site extensively for reference to wheather we can do multicast if source is on one spoke and reciever on other. But could npt find any document. I could however find a document describing a situation in which source is on Hub and receivers on spokes, using ip pim nbma-mode.
Has any one successfully completed a ping from a spoke router to a receiver on the other spoke of frame. I have tried every possible way by moving RP on to various points but could not do it !!! Veerender >From: "McCallum, Robert" >Reply-To: "McCallum, Robert" >To: [EMAIL PROTECTED] >Subject: RE: Multicast over Frame relay [7:34098] >Date: Sun, 3 Feb 2002 17:21:03 -0500 > >John, > >I actually tried the manual RP on R5 and couldn't get it to work so went >with the R5 being the AUTo-rp and R5 being the mapping agent-----still >didn;t work. So I then went and moved the mapping agent to R6 ---- still >didn't work. SO, I then removed and went back to the manual RP this time >however >I put a multicast join statement on R3. > >For those of you who don;t have the lab it goes like this (IP addresses are >different) > > >224.1.1.1 E0-R13-E1-E0-R6-s0/0(frame)-s0/0(frame)R5-s0/0.1(frame >p-p)-s0/0.1(r3)-E0 (my multicast group.ie 224.3.3.3) > >R5 was configured as the manual RP so everyone knew how to get to the RP >address. > >Now R3 ping 224.1.1.1 NOT A CHANCE >R5 ping 224.1.1.1 NOT A CHANCE >R6 ping 224.1.1.1 NAE problems > >Now for the really odd part > >R13 ping 224.3.3.3 NAE problems >R6 ping 224.3.3.3 NAE problems >R5 ping 224.3.3.3 NAE probelms > > >Conclusion : I hate multicasting!!!! How can it possibly work one way but >not the other?? > > > > >-----Original Message----- >From: John Neiberger [mailto:[EMAIL PROTECTED]] >Sent: 01 February 2002 23:47 >To: [EMAIL PROTECTED] >Subject: RE: Multicast over Frame relay [7:34098] > > >It's funny, I had the *exact* problem with bootcamp lab 20. I >eventually got it to work but I had all sorts of problems. I wasn't >able to get Auto-RP to work at all, for some reason, so I had to >manually define it. Still, I really had some issues that irritated me >but they were so intermittent I wasn't able to nail them down. > >For instance, toward the beginning of my configurations I was able to >ping the multicast address from R5. I thought that was pretty cool so I >moved on to--IIRC--R1 and R3. I couldn't get them to work so I went >back to R5 and discovered it could no longer ping the multicast >address. > >One thing I kinda remember--someone please correct me if I'm wrong--is >that you need to have a single RP for the multicast group. When I first >started the configuration, each subnet had an RP and that didn't seem to >work. Specifically, on the R6--R13 subnet I didn't assign an RP at all, >which caused a problem. Then I made R13 the RP and it still didn't >work. Then I made R5 the RP for everyone and that seemed to resolve my >issue. > >I really need to get cracking on this multicast stuff, though. I feel >like I'm just scratching the surface. > >John > > >>> "McCallum, Robert" 2/1/02 2:08:10 PM >>> >I ran into the exact sma problem whilst doing bootcamp lab 20. I ended >up >abandoning it but I will go back to it before next Friday (my date >with >destiny). What I should ask you to check is do a ping 224.x.x.x or >whatever >the group was, then go to the router which has the igmp join group >command >on it and do a show ip mroute. Check to see where the router see the >RPF >for the outgoing interface of the router you are trying to ping from. >My >fuess is that it will be out of the wrong interface or something like >that. >Also please ensure that you have the broadcast keyword after any frame >maps >you have in the process. > >Cheers > >-----Original Message----- >From: Mahesh Manjanatha [mailto:[EMAIL PROTECTED]] >Sent: 01 February 2002 18:56 >To: [EMAIL PROTECTED] >Subject: Multicast over Frame relay [7:34098] > > >I am sorry to post same question second time over here. I didnt get >any >response to my earlier posting. > >I am trying to do multicast over frame relay in Hub and Spoke topology. >I >am using IP PIM SPARSE mode with IP PIM NBMA MODE. I have Hub as as >RP. >I have made one of the spoke, member of a IGMP group. I am trying to >PING >that group address from other spoke, but I am not getting any response. >I >am able to ping that group from Hub router. > >Is there any thing else I need to configure to make it work ? > >Thanks > >Veerender Attri > > > > > > > >------------------------------------------------------------------------ > >Get your FREE download of MSN Explorer at http://explorer.msn.com. _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=34285&t=34098 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
