Hi everyone,
I used 2 other way regarding this task and both seem work.
1rst method :
R2 (ser 0/0/0):
ip pim nbma-mode (even if it's not recommended for dense mode, I was able to ping after that).
2nd method :
R3 (fa0/1):
ip pim dense-mode
R2 :
ip mroute 0.0.0.0 0.0.0.0 192.10.1.3
What do you think about this ?
Regards,