I have a few questions: 1. Can the servers ping the encoders? 2. Are the encoders connected at layer three and running PIM, or are they layer two? 3. Is this source-specific multicast? If so, you need to be running IGMP v3 on your layer two interfaces.
-John On Fri, Oct 8, 2010 at 1:46 PM, Steven Pfister <[email protected]> wrote: > The line below reading "non-multicast traffic" should be "non-multicast > traffic seems to be OK between the vlans" > > Thanks! > > Steve Pfister > Technical Coordinator, > The Office of Information Technology > Dayton Public Schools > 115 S. Ludlow St. > Dayton, OH 45402 > > Office (937) 542-3149 > Cell (937) 673-6779 > Direct Connect: 137*131747*8 > Email [email protected] > > >>>> "Steven Pfister" <[email protected]> 10/8/2010 3:39 PM >>> > > We've got a client who needs to set up multicast routing between two sites > (and between two vlans) in order for some video encoders at remote sites to > find servers at the central site. I've never had experience with this. The > setup looks something like: > > encoders -> Cisco 4506 -> (CSME) -> Cisco 4510 -> Cisco 8540 -> Cisco 3560 -> > servers > > The Cisco 4506 is the default gateway for the remote site vlan, let's call it > vlan 22. > The Cisco 4510 is the default gateway for the central site vlan, let's call > it vlan 33 > > Also factoring into this, a previous (before my time here) set up of ip > multicasting in sparse mode was done using other remote sites using 3640 > routers with the 8540 as the RP. I don't know what it was intended for, or if > it was ever successfully configured, but I'm not sure it's in use any more. > > Here's what's been done so far... the Cisco 4506 now has: > > ip multicast-routing > ip pim rp-address 10.99.99.1 [the address of the 8540] > interface Vlan22 > ip pim sparse-dense-mode [the video encoder vendor recomended this] > [there's also a ip helper-address pointing to a local server for dhcp] > > The 4510 has: > > ip multicast-routing > ip pim rp-address 10.99.99.1 > interface Vlan33 > ip pim sparse-dense-mode > > Observations: > - non-multicast traffic > - the encoders never see the servers > - "show ip pim neighbor" shows no results (just headers) > - "show ip multi int vlan33" on the central site shows a large and growing > number of multicast in packets, but zero out packets. Same results for vlan22 > on the remote site. > > Could the problem be igmp packets not getting exchanged? Like I said, I've > never set up ip multicast routing before. > > Thanks! > > > Steve Pfister > Technical Coordinator, > The Office of Information Technology > Dayton Public Schools > 115 S. Ludlow St. > Dayton, OH 45402 > > Office (937) 542-3149 > Cell (937) 673-6779 > Direct Connect: 137*131747*8 > Email [email protected] > > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
