From: Petr Lapukhov (petrsoft@gmail.com)
Date: Sun Jun 11 2006 - 15:18:27 ART
Hi Chris,
Did'nt you get your number recently too? :) (#16364)
You always rock on that list, hope we both could hang here
for long time :)
And thanks for you IGMP elaboration, I read through it carefully :)
I actually did'nt experiment much with silent leave in IGMPv2 :)
Petr
2006/6/11, Chris Lewis <chrlewiscsco@gmail.com>:
>
> Hi Petr,
>
> Congratulations on passing so convincingly, you clearly demonstrate deep
> undertanding of the topics with your posts.
>
> I'd like to draw a clarification to what you describe below with reference
> to some debugs that I posted on the NMC BBS site.
>
> Please see the debugs and exchange between myself and Alexei at this link.
>
> http://bbs.netmasterclass.com/eve/forums/a/tpc/f/4966010365/m/9661092903
>
> From these debugs you will see that there has to be three general queries
> prior to the query-max-response-time being activiated. Your description of
> the LMQI and LMQC is accurate though I believe.
>
> Cheers
>
> Chris
>
>
> On 6/10/06, Petr Lapukhov <petrsoft@gmail.com> wrote:
> >
> > Hello,
> >
> > Usually, with IGMPv2, you have two options to purge group state:
> >
> > 1) query-max-response-time (if nobody answers in that period group state
> > is purged. 10 seconds by default.
> >
> > 2) last-member-query-[interval|count]. These two timers control "leave"
> > message
> > processing. Receiving "leave", router immediately sends GSQ with
> > "max-response-time" set to "last-member-query-interval".
> >
> > If after "count" requests sent with "interval" timespan nobody replies,
> > group state is purged. By default they have interval=1 and count=2.
> >
> > HTH
> > Petr
> >
> > 2006/6/6, Chris Lewis <chrlewiscsco@gmail.com>:
> > >
> > > Yes,
> >
> > For a silent leave (as in IGMP version 1) you will have to wait for the
> > general query to receive no response for three attempts (which totals
> > twice
> > the timer for this query, as the first one sent counts as time zero),
> > followed by the max-query-response timer.
> >
> >
> > On 6/6/06, johngibson1541@yahoo.com < johngibson1541@yahoo.com> wrote:
> > >
> > > Doesn't the periodic query (in both v1 and v2 of IGMP) automatically
> > purge
> > > inactive endsystems ?
> > >
> > > John
> > >
> > > CCNP CCDP CCIP , CCIE lab 3rd attempt in 6 days.
> > >
> > >
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