Re: [pim] IGMP query solicitation message

gangadhara reddy chavva <meetgangadhara@gmail.com> Sat, 04 July 2020 12:14 UTC

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From: gangadhara reddy chavva <meetgangadhara@gmail.com>
Date: Sat, 4 Jul 2020 17:44:31 +0530
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To: Harvey <flycoolman@gmail.com>
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Subject: Re: [pim] IGMP query solicitation message
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Thanks Harvey for the information and the rfc links.

Best Regards,
Gangadhar

On Fri, Jul 3, 2020 at 1:54 AM Harvey <flycoolman@gmail.com> wrote:

> Hi Gangadhar,
> The links below might be worth taking a look at.
> https://tools.ietf.org/html/draft-ietf-idmr-igmp-mrdisc-10
>
>
> http://stevehaskew.blogspot.com/2014/06/igmp-query-solicitation.html#:~:text=As%20well%20as%20flooding%20the,send%20out%20a%20General%20Query.
>
> Thanks,
> Hongwei
>
>
>> Date: Thu, 2 Jul 2020 13:07:07 +0530
>> From: gangadhara reddy chavva <meetgangadhara@gmail.com>
>> To: pim@ietf.org
>> Subject: [pim] IGMP query solicitation message
>> Message-ID:
>>         <
>> CAAG_SC-beE+fywnhovZiaAsS_9-bBLEPAz-MHEYihxnz9nRSdw@mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi,
>>
>> I could see a problem in igmp snooping functionality during port shut and
>> unshut, RP switchover. During these triggers if the igmp snooping switch
>> is
>> not querier, it can't send query messages immediately to get the report
>> message from the hosts. so snooping switch has to wait for the next
>> querier
>> query interval to learn the entries. Because of this there could be
>> traffic
>> drop/flood in the bridge domain.
>>
>> I could see some vendors are using query solicitation messages to trigger
>> query messages immediately so the snooping switch can converge the traffic
>> quickly.
>>
>> when i search for query solicitation message i couldn't find it in any
>> ietf/rfc documents which suggest the same. Did I miss something?  Please
>> let me know if there is any IETF/RFC document which suggests the same.
>>
>> Thanks,
>> Gangadhar
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