Re: Multicast reachability in the lab

From: CCIEin2006 (ciscocciein2006@gmail.com)
Date: Wed Oct 10 2007 - 21:36:10 ART


Thanks Greg - thats exactly what I was told when I was in RTP. No matter how
intelligently I worded my questions the proctor would say re-read the
question. Or they would say something like "it should be obvious from the
task requirement". You know how they say to present the question to the
proctor in a way that shows you understand the technology and give the
proctor multiple options? Well that didn't work for me.

I felt like all the proctors cared about was getting the hell out of there
as fast as possible. In fact they only gave us 20 minutes lunch and stopped
us at 3:30pm instead of 4pm like the web site says. I feel like I was robbed
of half an hour even though it added up to 8 hours.

But anyway - sorry to go off on a tangent...lets assume the proctor did not
clarify the question for you - what would be the best rule of thumb here?

On 10/10/07, Greg Wendel <gwendel@gmail.com> wrote:
>
> I think the only thing the proctor would tell you would be, "read the
> question, have a seat, and enjoy the disgusting mystery-meat lunch."
>
> On 10/10/07, Eagle <ddycus@gmail.com> wrote:
> >
> > Sounds like a perfect question for proctor clarification to me.
> >
> > On 10/10/07, CCIEin2006 <ciscocciein2006@gmail.com> wrote:
> > >
> > > Hello friends,
> > >
> > > When given a requirement such as "you must be able to ping the
> > multicast
> > > group from all routers", does the ping have to be successfull when
> > sourced
> > > from all interfaces or will any interface do?
> > >
> > > The reason I am asking is because when you do a ping to a multicast
> > group
> > > from a router without specifying any options, it automatically
> > generates a
> > > separate icmp packet from each interface that has PIM enabled,
> > correct?
> > >
> > > Therefore when I get an echo reply from the multicast receiver all I
> > know
> > > is
> > > that at least one of the pings made it....
> > >
> > > So if I were in the lab would I have to do an RPF check to every
> > single
> > > router interface to make sure there are no RPF failures somewhere in
> > the
> > > topology?
> > >
> > > Thank You
> > >
> > >
> > _______________________________________________________________________
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> >
> > _______________________________________________________________________
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> >
>
>
>
> --
> Gregory Wendel
> Springfield VA, 22153



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