[pim] Re: pim Digest, Vol 36, Issue 2

["Neeraj Prasad" <neeraj.prasad at gmail.com>]

1. Interesting host information is stored in all routers whether DR or non-DR. So at any if a router becomes DR it will send the Join Information towards RP and the tree will be maintained. So packets will come to host irrespective who the DR is.

2. It may retain the information or delete it, that is implementation dependent. The router up the tree will timeout the state, if they do not receive any JOIN information without taking any action.

Regards,
Neeraj.

On 4/22/07, pim-request at ietf.org <pim-request at ietf.org > wrote:

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Today's Topics:

   1. pim-sm router transitions from DR to non-DR (Binu TN)


----------------------------------------------------------------------

Message: 1
Date: Sat, 21 Apr 2007 09:07:46 -0700 (PDT)
From: Binu TN <tnbinu at yahoo.co.in>
Subject: [pim] pim-sm router transitions from DR to non-DR
To: pim at ietf.org
Message-ID: <223775.16676.qm at web8804.mail.in.yahoo.com>
Content-Type: text/plain; charset="iso-8859-1"

Hi,

  I have a basic doubt in the pim-sm router transition from DR to non-DR. Let's assume a scenario where a sm router (e.g., RT1) is DR in a LAN and it has multicast route entry and it is trigerring Join messages to RP (it is in some other network) as it has some interesting hosts. If another sm router ( e.g.RT2) with higher IP address comes into the LAN of RT1, as per my understanding RT2 will become DR and RT1 will become non-DR to that LAN. My doubts are,

1) whether the multicast route entries that are present in RT1 before entry of  RT2 will be removed?

2) Will RT1 stops trigerring Join messages to RP? Or RT1 will be trigerring Join messages for existing entries and RT2 will be trigerring for any new entries?

Please clear my doubts.
Thank you in advance.

Regards,
Binu.


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End of pim Digest, Vol 36, Issue 2
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-- 
Thanks and Regards,
Neeraj Prasad
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