Re: How can group timer be larger than LMQT( RFC 3376, 6.6.3.1)

Bharat Joshi <[email protected]> Mon, 30 Jun 2008 19:53:32 +0530
Newsgroups gmane.ietf.magma
Message-ID <31D55C4D55BEED48A4459EB64567589A0BA79DF7FA@BLRKECMBX02.ad.infosys.com>
Hi,

> In RFC 3376, section 6.6.3.1.  In what kind of circumstance would the
> group timer be larger than LMQT?
>
> In my opinion, when the multicast router sends a group specific query,
> the router should lower its corresponding group timer to LMQT.
>
> I don't know why can the group timer be larger than LMQT when the
> router is transmitting a group specific query.

Once it receives a response for the query, it updates their group-timer based on the response. If before generating the next query, it finds the group-timer greater than LMQT, it does not lower it down again.

Thanks,
Bharat

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