[Xorp-users] PIM-SMv2 not working when bootstrap mechanism is enabled

Garry Peirce peirce at maine.edu
Fri Mar 11 07:00:14 PST 2011


I can't see your addressing info from your data, but my gut reaction would
be to  check your unicast routing table.

You might check that the received BSR packets source addr is passing an RPF
check.

 

 

Description: Garry Peirce

 

From: xorp-users-bounces at xorp.org [mailto:xorp-users-bounces at xorp.org] On
Behalf Of Vunnava Kesava Srinivas-B32946
Sent: Friday, March 11, 2011 8:39 AM
To: xorp-users at xorp.org
Cc: Murthy N Srinivas-B22237
Subject: [Xorp-users] PIM-SMv2 not working when bootstrap mechanism is
enabled

 

Hi,

We are testing XORP-V1.6  for PIMSM-V2 (IPv4) with no unicast routing
protocol enabled.
It works when we use static RP.  It is not working when we select Bootstrap
mechanism and specifying candiadate rp.
We observed the following two issues.

case 1:  
When candidate RP and BSR are enabled on one router and DR on another
(connected back to back), DR is receiving the bootstrap message which
contained the multicast Group prefix and the RP's IP correctly.
But DR is not updating its active RP list with the information from
bootstrap message received from BSR.But DR is able to send the same
Bootstrap message back to BSR.
We used the command "show pim bootstrap rps" at DR to view its active RP
list.

case 2:
When candidate RP and DR are configured on one router and BSR on another
router, we have not seen the candidate RP advertisement being generated by
the first router even though it identified the location of BSR which it
learnt through bootstrap message from BSR.

In both cases we have  ensured mrib to contain the correct routes by
manually configuring in linux kernel.

Please find the configuration  files attached.
DRconfigcase1.boot and BSRconfigcase1.boot are applicable for the first case
mentioned above and the rest are for case 2 mentioned above. 

Please help us in locating the problem.We believe that we are missing some
thing.

Thanks
-kesava and ns murthy

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