From: SANCHEZ-MONGE,ANTONIO (HP-France,ex2) (antonio.sanchez-monge@hp.com)
Date: Tue Jan 27 2004 - 06:41:50 GMT-3
Hi Nauman,
I tested several variations of your scenario (like R1-R2-R3-R4-R5, R3 being
the RP), and everything seems to work OK even though R3 does not seem to
"know" it is the RP ("show ip pim rp" output is empty). Strange... Maybe
somebody may clarify further?
Cheers,
Ato.
-----Original Message-----
From: Nauman Khan [mailto:mustafa@247emails.com]
Sent: martes, 27 de enero de 2004 7:22
To: ccielab@groupstudy.com
Subject: Multicast/Sparse Mode/Static RP
Hello Folks,
Just a quick sanity check ......
I have three routers (R1,R2 and R3) configured for Sparse mode. Since its
sparse mode and not sparse-dense mode, I cannot use Auto RP as dense mode is
required typically to forward the two groups needed for A-RP.
224.0.1.39 (announce)
224.0.1.40 (discovery)
Lets say I want to make R3 loopback0(1.1.1.1) interface as my RP
-R1--------|R2-------|R3
So I will configure R3 lo0 as static RP on R1 and R2 .....but do I MUST also
tell R3 that its loopback interface is the RP ??
In otherwords, do I MUST need to configure
ip pim rp-address 1.1.1.1 on R3 ??
In my setup, it still works if I don't configure rp on R3 to tell it that
its a RP ?? The way I am testing this is I let one of the R1 interface join
a group and then ping it from R2 or R1.
Will this be considered a valid configuration if I don't configure static RP
on R3??
Thanks,
Nauman
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