Re: [pim] IGMP query solicitation message
Harvey <flycoolman@gmail.com> Thu, 09 July 2020 15:57 UTC
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From: Harvey <flycoolman@gmail.com>
Date: Thu, 09 Jul 2020 11:57:36 -0400
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To: gangadhara reddy chavva <meetgangadhara@gmail.com>
Cc: pim@ietf.org
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Subject: Re: [pim] IGMP query solicitation message
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Hi Gangadhara, Please refer to the RFC3376 with the supported messages, you would be able to understand the related implementation on the IGMPv3. https://tools.ietf.org/html/rfc3376 There are two IGMP message types of concern to the IGMPv3 protocol described in this document: Type Number (hex) Message Name ----------------- ------------ 0x11 Membership Query 0x22 Version 3 Membership Report An implementation of IGMPv3 MUST also support the following three message types, for interoperation with previous versions of IGMP (see section 7 <https://tools.ietf.org/html/rfc3376#section-7>): 0x12 Version 1 Membership Report [RFC-1112 <https://tools.ietf.org/html/rfc1112>] 0x16 Version 2 Membership Report [RFC-2236 <https://tools.ietf.org/html/rfc2236>] 0x17 Version 2 Leave Group [RFC-2236 <https://tools.ietf.org/html/rfc2236>] On Thu, Jul 9, 2020 at 5:20 AM gangadhara reddy chavva < meetgangadhara@gmail.com> wrote: > Hi Harvey, > > I could see some vendors are using "Query solicitation" messages (sending > IGMP leave with group address 0.0.0.0 ) for faster convergence. > this might be working for IGMPv2. what is the method for IGMPv3 configured > snooping switches, they can still generate V2 leave and expected to receive > general query from router? or is there any IGMPv3 query solicitation > message. > please let me know how to proceed with this for IGMPv3 configured snooping > switches. > > Thanks, > Gangadhar > > On Sat, Jul 4, 2020 at 5:44 PM gangadhara reddy chavva < > meetgangadhara@gmail.com> wrote: > >> 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 >>>> -------------- next part -------------- >>>> An HTML attachment was scrubbed... >>>> URL: < >>>> https://mailarchive.ietf.org/arch/browse/pim/attachments/20200702/9221b844/attachment.htm >>>> > >>>> >>>> ------------------------------ >>>> >>>> Subject: Digest Footer >>>> >>>> _______________________________________________ >>>> pim mailing list >>>> pim@ietf.org >>>> https://www.ietf.org/mailman/listinfo/pim >>>> >>>
- [pim] IGMP query solicitation message gangadhara reddy chavva
- Re: [pim] IGMP query solicitation message Harvey
- Re: [pim] IGMP query solicitation message gangadhara reddy chavva
- Re: [pim] IGMP query solicitation message gangadhara reddy chavva
- Re: [pim] IGMP query solicitation message Harvey
- Re: [pim] IGMP query solicitation message gangadhara reddy chavva