Category Archives: Multicast

ip pim autorp – automatic election of an rp in a sparse-mode network

Posted on March 11, 2012 by markus.wirth

Hello everybody! Today I am going to show and to train for myself how to configure cisco auto-rp for electing rendesovus-points within a sparse mode multicast environemnt dynamically. First of all some short theoretics, as the complete theory can be … Continue reading →

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pim sparse mode – rp on a stick

Posted on March 11, 2012 by markus.wirth

Hi everybody! Very often without knowing it in PIM sparse networks we encounter the situation that the RP of a network is a RP on a stick. Take a look at the drawing to get a better understanding of the … Continue reading →

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ip multicast (pim sparse mode) over gre tunnels

Posted on March 8, 2012 by markus.wirth

Hey everyone, today I am going to show how the usage of GRE tunnels in combination with multicast (PIM sparse mode) works. So here is the challenge and our topology: What we have: – we have 4 routers. – each … Continue reading →

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pim sparse mode: pim register / pim spt switchover process

Posted on March 3, 2012 by markus.wirth

Hi everybody! Did a reveiw of the PIM register and PIM SPT switchover process. Here is what I wrote down. If you see any mistakes I made, feel free to comment! Nobody is perfect. 1st step: Registration of a source … Continue reading →

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