Subject: [pim] Doubt regarding BSR & Bootstrap messages

From: srinivas <[email-masked]>
Date: Wed, 19 Nov 2003 14:50:41 +0300 (MSK)

Hi all,
  
 Here is my Setup:-
   
R1<-------->R2
^
|
|
V
R3

In the above setup,
Enable PIM over all interfaces in R1, R2 & R3.
Enable BSR using Interface address in R1, say x.x.x.x, which is 
connected to R2. 
Let the R1 get elected as BSR using x.x.x.x.
Now bring the interface correspnding to x.x.x.x down.
you can note that BSMs are sent to R3 from R1.
But in R3, the BSMs get rejected since there is no route to 
x.x.x.x.

So, is it valid to send out Bootstrap Messages even when the 
corresponding interface is down?
What is the use if at all we are sending it?

Now considering the above scenario, R1 is "Elected" BSR even 
though all its BSMs are getting rejected.
R2 & R3 will not have BSR info. So, it is improper to display R1 
as "Elected" whereas none of the neighboring
routers know about the BSR.

Can any one explain about this behavior?

Thanks & regards,
Srinivas
Tasman Networks

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