Re: EIGRP authentication using key chain with validity period

Just a quick question, did any of the proctors say that they don't reload
the rack?

On Sat, Jul 11, 2009 at 1:38 PM, Scott Morris <smorris_at_ine.com> wrote:

> While power outages aren't part of the plan, they're always possible.
> The impact has changed a bit now for two reasons that have been well
> pointed out by Cisco/proctors in Ask-the-expert...
>
> 1. the equipment is centrally located in SJC now as opposed to spread
> out globally. Centrally managed and such.
> 2. The equipment being used has a clock chip so even if you do reboot,
> THAT part isn't an issue.
>
> OSPF DR/BDR is another issue, but if a student has been paying attention
> in (hopefully) any bootcamp, they should be painfully aware of what to
> look for and what not to get caught by.
>
> If a candidate has a planned reload schedule to re-check their items
> (lunch and mid-afternoon in my recommendations) then they needn't have
> anything to worry about, or in case they forget the OSPF DR thing, they
> have plenty of time still to figure it out. No surprises.
>
>
>
>
>
>
> Darby Weaver wrote:
> > Agreed. However I've been to some classes where some might lead students
> to
> > think otherwise. Proctors will warn of power fluctuations or small
> outages
> > and one should always be prepared for this type of contingency.
> >
> > On Sat, Jul 11, 2009 at 2:05 PM, Scott Morris <smorris_at_ine.com> wrote:
> >
> >
> >> Nope, they don't touch 'em. There's enough other show commands to know
> >> who will be DR after a reload! :) They only used to in the two-day
> >> format.
> >>
> >>
> >>
> >>
> >> *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
> >>
> >> JNCIE-M #153, JNCIS-ER, CISSP, et al.
> >>
> >> JNCI-M, JNCI-ER
> >>
> >> evil_at_ine.com
> >>
> >>
> >> Internetwork Expert, Inc.
> >>
> >> http://www.InternetworkExpert.com <http://www.internetworkexpert.com/><
> http://www.internetworkexpert.com/>
> >>
> >> Toll Free: 877-224-8987
> >>
> >> Outside US: 775-826-4344
> >>
> >>
> >> Knowledge is power.
> >>
> >> Power corrupts.
> >>
> >> Study hard and be Eeeeviiiil......
> >>
> >>
> >>
> >> Hammer wrote:
> >>
> >>> Scott,
> >>> I thought that the proctors usually reloaded the rack before
> >>> grading? To make sure OSPF DRs were set right and whatnot. I know it
> >>> can all be gleamed from configs "ip ospf priority blah" but I thought
> >>> that they mostly did show commands to grade you in the scripting. Is
> >>> bouncing the rack something they used to do but not anymore?
> >>>
> >>> -Hammer
> >>>
> >>>
> >>> On Sat, Jul 11, 2009 at 7:01 AM, Scott Morris <smorris_at_ine.com
> >>>
> >> > <mailto:smorris_at_ine.com>> wrote:
> >>
> >>> The ISR routers used on the real lab have a CMOS clock, so they
> will
> >>> retain their time on reload.
> >>>
> >>> Your lab will not be reloaded prior to grading.
> >>>
> >>>
> >>> Anh Khoa Le Viet wrote:
> >>> > Hi Group,
> >>> >
> >>> > I took a mock lab from a vendor today with task about the EIGRP
> >>> > authentication: An MD5 hash of the password CISCO1 should be
> >>> used from
> >>> > 12:00AM on
> >>> > 1/1/2006 to 11:59PM on 12/31/2006 and An MD5 hash of the
> >>> password CISCO2
> >>> > should be used after this. I think I come out with the right
> >>> solution:
> >>> >
> >>> > key chain EIGRP
> >>> > key 1
> >>> > key-string CISCO1
> >>> > accept-lifetime 00:00:00 Jan 1 2006 00:29:59 Jan 1 2007
> >>> > send-lifetime 00:00:00 Jan 1 2006 11:59:59 Dec 31 2006
> >>> > key 2
> >>> > key-string CISCO2
> >>> > accept-lifetime 00:00:00 Jan 1 2007 infinite
> >>> > send-lifetime 00:00:00 Jan 1 2007 infinite
> >>> >
> >>> > But the thing is: do we need to configure ntp server and client
> >>> for this
> >>> > kind of task? At the time I did the configuration, the clock
> >>> showed in
> >>> > Routers is 2009 year time. But at the end of the lab, I did
> >>> reboot all the
> >>> > routers and found out that EIGRP did come up, quickly found that
> >>> the clock
> >>> > was back to 2002 and no EIGRP neighbors came up :(. We can not
> >>> do set
> >>> > datetime manually on the routers as if we reboot, it will came
> >>> back to
> >>> > default datetime, so the only option is NTP.
> >>> >
> >>> > Could you pleas give some advise on this kind of task? Should we
> >>> add NTP in
> >>> > the real lab or no need to do that if in the IP Services
> >>> portion, no NTP
> >>> > task?
> >>> >
> >>> > Thanks and best Regards,
> >>> > Khoa
> >>> >
> >>> >
> >>> > Blogs and organic groups at http://www.ccie.net
> >>> >
> >>> >
> >>>
> >>>
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-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining.com
Sr. Technical Instructor
Blogs and organic groups at http://www.ccie.net