Jeff, At this point multicast on VRF interfaces is only supported with Sup6-E and 4900M. http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/52sg/conf iguration/guide/vrf.html#wp1064137
6500 does it on any PFC3 based sup since SXE. Cheers, Ben > -----Original Message----- > From: [email protected] [mailto:cisco-nsp- > [email protected]] On Behalf Of Douglas C. Stephens > Sent: Wednesday, May 27, 2009 7:48 PM > To: Jeff Kell > Cc: 'NSP List' > Subject: Re: [c-nsp] Multicast over VRF possible? > > Jeff, > > I've successfully used "ip pim sparse-mode" on SVIs assigned to VRF-lite > contexts on all my 6500s. This was on Sup720+MSFC3+PFC3B blades running > both ADVENTERPRISEK9_WAN-M and ADVIPSERVICESK9_WAN-M feature sets of the > 12.2(18)SXF release. > > I've not run into this problem on my 4500 switches, but then I'm running > them with SupV blades, and I've not yet had much call for VRF-lite there. > > > > At 07:54 PM 5/27/2009, Jeff Kell wrote: > >In the process of an upgrade/reconfiguration today, I discovered > >that PIM multicast routing and VRF-lite are apparently mutually > >exclusive on a 4506. In this case, specifically IOS > >cat4500-entservicesk9-mz.122-50.SG1 on a Sup-IV WS-X4515. > > > >With an "ip vrf forwarding ..." directive, there is no "ip pim" > >option available, it disappears from the configuration options. > > > >OK, that was the "old school" fix to make some limited multicast > >work in this situation (Symantec Ghost for imaging remote labs). > > > >Is there another way to achieve routed multicasting in a VRF > >environment? Specifically, the imaging server resides in a "public > >services" VRF, while the target labs are in other VRFs. > > > >Is this a platform-specific restriction? Or is it > >Catalyst-wide? Can the 6500 handle it (on a 'ip vrf forward'ed > >interface or SVI)? > > > >There are some imaging alternatives (just relocate a suitable > >"master" copy to the local subnet), but there are some other > >multicast "plans" on the table that aren't so easily bypassed. > > > >Thanks in advance, > > > >Jeff > >_______________________________________________ > >cisco-nsp mailing list [email protected] > >https://puck.nether.net/mailman/listinfo/cisco-nsp > >archive at http://puck.nether.net/pipermail/cisco-nsp/ > > -- > Douglas C. Stephens | UNIX/Windows/Email Admin > System Support Specialist | Network/DNS Admin > Information Systems | Phone: (515) 294-6102 > Ames Laboratory, US DOE | 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/
