Multicast PIM Designated Router

[lagapidis (Lazarus Agapidis)]

Hello Hussien

@hussien.samer

1- you said in your answer to Vishal that “R2 or R3 will forward it further upstream”, my question is which one exactly will forward it and depending on what this router is chosen instead of the other one ??

Which router will be chosen depends on what is called the PIM Assert mechanism. You can find detailed information about this at the following lesson:

Multicast PIM Assert Explained

@hussien.samer

2- Making the priority of the DR 0 mean this router never elected as DR just like in ospf DR election or it mean something else ??

When you set the priority of a router to 0, this means that it will never become a DR.

I hope this has been helpful!

Laz