Intervlan Multicast Routing

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Aug 11th, 2009
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I am trying to find a way (if possible) over routing multicast between two vlans on the same switch. The switch I am using is a 3560 running 12.2 IOS.

In the past we have used the IPServices and used PIM Sparse mode, however I am trying to see if there is a way of performing this routing using IPBase. There is only one hop and its all on the same switch so would be good to save on the extra licensing money if possible.

I have been playing around with a command "ip pim passive" on both the VLAN SVIs and managed to see the multicast stream routed and appearing on a laptop (DTV stream is on one vlan - continously streaming and Laptop is on another VLAN). However after I stopped the stream and tried again I have not been able to recreate it even though the config has not changed. It is now really bugging me as I have seen it work!!

So any ideas?! Is it possible to peform this simple intervlan multicast routing without using IPServices.



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mike_guy29 Wed, 08/12/2009 - 00:29
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Thanks for that. Yes I have already looked through that document. The pim sparse dense commands however are not available on the base image. The only interface PIM command is ip pim passive I believe


Edison Ortiz Wed, 08/12/2009 - 06:02
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If that's the case, then you need to upgrade to a more advanced image.




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