RE: OT - A puzzle for CCIE Students

If you go unicast and on BOTH R2 and R3 define ONLY R1 as neighbor it works.
But how far can I go with modifying existing functionality? R2 will not see
any routes directly attached to R3 and vice-versa, is that OK ?

From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of Tony
Schaffran (GS)
Sent: 22-Oct-10 10:12
To: 'ron wilkerson'; 'Steven Blasiol'
Cc: 'Ryan DeBerry'; thariqfarihan_at_gmail.com; 'Narbik Kocharians'; 'CCIE
Groupstudy'
Subject: RE: OT - A puzzle for CCIE Students

It looks like everyone missed the most important part of that question.

*** Unicast ***

Tony Schaffran
Sr. Network Consultant
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE

CCOnlineLabs
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-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of ron
wilkerson
Sent: Friday, October 22, 2010 6:51 AM
To: Steven Blasiol
Cc: Ryan DeBerry; thariqfarihan_at_gmail.com; Narbik Kocharians; CCIE
Groupstudy
Subject: Re: OT - A puzzle for CCIE Students

not sure abt this l2 solution but i guess one could use private vlans

On Fri, Oct 22, 2010 at 9:16 AM, Steven Blasiol
<steven.blasiol_at_gmail.com>wrote:

> That might be the case. I will have to check my set up.
>
> On 10/22/10, Ryan DeBerry <rdeberry_at_gmail.com> wrote:
> > changed it to what?
> >
> > default is 4 maxium paths.
> >
> > I can only assume one of those routes is older than 30 seconds, if that
> is
> > all you changed.
> >
> > On Fri, Oct 22, 2010 at 8:30 AM, Steven Blasiol
> > <steven.blasiol_at_gmail.com>wrote:
> >
> >> I changed maximum paths and see both routes.
> >>
> >> On Fri, Oct 22, 2010 at 7:55 AM, <thariqfarihan_at_gmail.com> wrote:
> >>
> >> > On r2/r3 use ip route 0.0.0.0 0.0.0.0 null0
> >> > Sent from my BlackBerry. wireless device via Vodafone-Celcom Mobile.
> >> >
> >> > -----Original Message-----
> >> > From: Narbik Kocharians <narbikk_at_gmail.com>
> >> > Sender: nobody_at_groupstudy.com
> >> > Date: Thu, 21 Oct 2010 20:42:07
> >> > To: CCIE Groupstudy<ccielab_at_groupstudy.com>
> >> > Reply-To: Narbik Kocharians <narbikk_at_gmail.com>
> >> > Subject: OT - A puzzle for CCIE Students
> >> >
> >> > To all CCIE R&S Students,
> >> >
> >> > Garry Baker, Steven B and I were talking about the TSHOOT class/TEST
> >> > from
> >> > the new CCNP track, and this is what i was saying, see if you agree:
> >> >
> >> > I've been teaching/consulting for a long time, and believe it or not
> >> > base
> >> > knowledge is where most of the CCIE students lack. Just to give you
an
> >> > example of what i am talking about:
> >> >
> >> > Let's say we have three routers sharing an Ethernet segment, using
the
> >> > following IP addressing:
> >> >
> >> > R1's F0/0 - 10.1.1.1 /24, R2's F0/0 - 10.1.1.2 /24, and R3's F0/0 -
> >> > 10.1.1.3
> >> > /24 and all three routers are in VLAN 100.
> >> > These routers are running RIPv2 (comparatively a simple Routing
> >> protocol).
> >> > R2 and R3 are injecting a default route using "default-information
> >> > originate"
> >> >
> >> > This simple task wants R1 to see two different default routes, one
> >> > coming
> >> > from R2 and the second one coming from R3.
> >> > If you lab this very simple scenario, you will quickly see that R1
> ONLY
> >> > gets
> >> > a single default route, the question is WHY?
> >> >
> >> > A question like this should ONLY take a student, a totally ready
> student
> >> > less than 5 minutes to resolve, but since the basic knowledge is
> lacking
> >> or
> >> > it's NOT up to par, it may take up to 15 minutes. What if the task
> >> > states
> >> > that you should resolve this in three or four different ways? What
are
> >> > those
> >> > three or four different ways, the problem is that SOME won't even
> >> recognise
> >> > the problem, whereas, others will continually ping and do a "Show
run"
> >> > command.
> >> >
> >> > Let's see how long this simple scenario takes you to resolve. Unicast
> me
> >> > the
> >> > solution, i need three to four different ways to resolve this, two of
> >> > the
> >> > four should be done in layer 2, and the other 2 in layer 3.
> Hey......as
> >> far
> >> > as the difficulty level, i rank this 1 or 2 out of 10.
> >> >
> >> > --
> >> > Narbik Kocharians
> >> > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> >> > www.MicronicsTraining.com <http://www.micronicstraining.com/>
> >> > Sr. Technical Instructor
> >> > YES! We take Cisco Learning Credits!
> >> > Training And Remote Racks available
> >> >
> >> >
> >> > Blogs and organic groups at http://www.ccie.net
> >> >
> >> >
> _______________________________________________________________________
> >> > Subscription information may be found at:
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> >> >
> >> >
> >> > Blogs and organic groups at http://www.ccie.net
> >> >
> >> >
> _______________________________________________________________________
> >> > Subscription information may be found at:
> >> > http://www.groupstudy.com/list/CCIELab.html
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >>
> >>
> >> --
> >> Steven M. Blasiol
> >>
> >>
> >> Blogs and organic groups at http://www.ccie.net
> >>
> >> _______________________________________________________________________
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >
>
> --
> Sent from my mobile device
>
> Steven M. Blasiol
>
>
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>
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