RE: OT - A puzzle for CCIE Students

I think Tony was trying to point out that narbiks instructions were to send a
reply only (unicast) answer to him so that he could select a winner from the
list of solutions provided.

-----Original Message-----
From: "Jack Router"
<pan.router_at_gmail.com>
Sent: Friday, October 22, 2010 9:35am
To: "'Tony
Schaffran (GS)'" <groupstudy_at_cconlinelabs.com>, "'ron wilkerson'"
<ron.wilkerson_at_gmail.com>, "'Steven Blasiol'" <steven.blasiol_at_gmail.com>
Cc:
"'Ryan DeBerry'" <rdeberry_at_gmail.com>, thariqfarihan_at_gmail.com, "'Narbik
Kocharians'" <narbikk_at_gmail.com>, "'CCIE Groupstudy'" <ccielab_at_groupstudy.com>
Subject: RE: OT - A puzzle for CCIE Students

OOHHH, you meant Layer 8 unicast
?

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
Your #1 choice for online Cisco rack
rentals.

-----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
> >> >
> >> >
>
Received on Fri Oct 22 2010 - 10:00:22 ART