RE: Potential Lab Gotcha

From: Jonathan Hays (nomad@gfoyle.org)
Date: Wed Apr 07 2004 - 10:58:28 GMT-3


you wrote:
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
>Behalf Of Tim Last
>Sent: Tuesday, April 06, 2004 4:55 PM
>To: ccielab@groupstudy.com
>Subject: Potential Lab Gotcha
>
>
>Hi guys,
>
>Was just doing a practice lab on various rtr mgmt tasks
>including configuring some simple logging.
>
>When I was done, I compared my config to the solution config
>and discovered I had left off something - something I would
>have probably left off in the real lab had I not come across
>this in the practice lab.
>
>What did I forget you wonder?
>
>Here was the task:
>
>Configure x.x.x.x as the logging server. Timestamp of all
>sent messages should include date, time, msec and local time-zone.
>
>This took just a couple of commands and was pretty easy. But...
>
>I forgot to set the clock (or NTP) on the router.
>
>Somehow, I think those devious folks who design those labs
>would have given me no credit for this section had I made this
>same omission. And, when they graded my config's, they think
>to themselves, "GOTCHA, Hehehe"
= = =

Cisco proctors reboot the routers before grading and none of the lower
echelon routers have a permanent clock. Looking at the published CCIE
R&S lab equipment list I see that most of the routers in the lab fall
into this category. (I'm not sure about the newer 3700 series - can
anyone comment?). So a permanent, accurate clock setting is not possible
for most routers in the lab environment.

There may be cases where you need to set the time zone. In fact, it
might be a good idea to do so if the lab requirement included NTP or a
time-based access list. In other words, this configuration might be
necessary:

clock timezone EST -5
clock summer-time EDT recurring

Seeing this in the candidate's configuration might be enough to convince
the grader that the candidate was aware of time-related issues. But this
is just a guess - I am obviously not a proctor nor a Cisco CCIE program
employee and I don't know whether the lack of the above configuration
would add/delete points.

But an accurate clock setting that would survive a router reboot would
be impossible in the lab, IMHO.

HTH,

Jonathan



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