Re: CCIE Troubleshooting Rules

I would change the deny to permit.

On Fri, May 25, 2012 at 9:45 AM, Stephen Lynch <slynch_at_absnt.com> wrote:

> Assuming a ticket has no restrictions, and its been said in this thread you
> should never remove configuration unless absolutely necessary - what would
> you do in the following scenario? Let's just say we need to ping 10.10.10.2
> from a source of 10.10.10.1
>
> A) Remove sequence 10
> B) Add a specific ICMP permit statement before sequence 10 for a source
> (10.10.10.1) and destination of (10.10.10.2)
> C) If we remove sequence 10, this ACL no longer does anything so why not
> just remove it?
>
> Router# show access-lists
> *Extended IP access list DENY_ICMP*
> * 10 deny icmp any any*
> * 20 permit ip any any*
>
> By the way, vendors should really do a "Troubleshooting 101" video talking
> about the restrictions and the best way to solve the tickets given certain
> restrictions.
>
> -SL
>
>
> On Fri, May 25, 2012 at 10:18 AM, Maarten Vervoorn <mr.vervoorn_at_gmail.com
> >wrote:
>
> > Not sure if I would reload the routers and backup the config. I didn't in
> > my exam. You have 2 hours and 11 tickets. This means avarage 10min per
> > ticket. Reloading and backup the config a set of routers will take out
> lots
> > of time which you could spend in troubleshooting the dificult tickets.
> > During my exam I had the following appoach:
> >
> > 1. Troubleshoot the issue with show commands
> > 2. If still the problem is not solved I would go for debug
> > 3. fix the configuration issue
> > 4. Verify the issue is solved
> > 5. Go to the next ticket
> > 6. If finished before the 2 hour I would spend the time verifying the
> fixes
> > of the tickets again.
> >
> > Kind regards,
> >
> > Maarten Vervoorn
> > CCIE#27144
> >
> > 2012/5/25 john matijevic <john.matijevic_at_gmail.com>
> >
> > > Hello Team,
> > >
> > > Good question on approach to Troubleshooting section:
> > >
> > > My strategy will be to fix config if there is error in order to fix a
> > > particular section.
> > > Then I will reload router or switch to make sure its still working
> > > after I fix the problem on a router or set of routers, or switches.
> > > Then I will save the config on that router and/or switches and any
> > > other router or switch that I fixed.
> > > I will use debugging as a troubleshooting tool, when I am fixed issue
> > > I will turn off debugging when finished.
> > > I will use notepad to copy config to so I can revert back to if
> > > necessary if option of notepad is available.
> > >
> > > Regards
> > > John
> > >
> > > On 5/25/12, Andrew Podosenin <andrew.podosenin_at_gmail.com> wrote:
> > > > I believe that they specifically state something like "fix without
> > > disabling
> > > > authentication". I think it is reasonable to ask the proctor in a
> > > particular
> > > > case.
> > > >
> > > > Here is a question that I have - do we care in the TS section about:
> > > > 1. Saving periodically
> > > > 2. Saving at the end
> > > > 3. Turning off all debugging
> > > >
> > > > Per my proctor this is optional in the TS. I wonder if this is really
> > the
> > > > case.
> > > >
> > > >
> > > >
> > > > Sent via BlackBerry from T-Mobile
> > > >
> > > > -----Original Message-----
> > > > From: marc abel <marcabel_at_gmail.com>
> > > > Sender: nobody_at_groupstudy.com
> > > > Date: Fri, 25 May 2012 07:42:38
> > > > To: Vincent Tay<vtay.75_at_gmail.com>
> > > > Reply-To: marc abel <marcabel_at_gmail.com>
> > > > Cc: Ccielab_at_groupstudy.com<ccielab_at_groupstudy.com>
> > > > Subject: Re: CCIE Troubleshooting Rules
> > > >
> > > > You should fix them rather than remove any config. Only removed
> config
> > if
> > > > it is the only way to solve the ticket.
> > > >
> > > > On Fri, May 25, 2012 at 7:24 AM, Vincent Tay <vtay.75_at_gmail.com>
> > wrote:
> > > >
> > > >> Hi,
> > > >>
> > > >> I am wondering.
> > > >>
> > > >> Anyone knows the rules of troubleshooting for the CCIE R and S? Are
> we
> > > >> allow to remove any misconfiguration statement such as access-list,
> > > >> passwords or we can only amend and fix them to get through the
> > section?
> > > >>
> > > >> Regards
> > > >> Vincent Tay
> > > >>
> > > >>
> > > >> Blogs and organic groups at http://www.ccie.net
> > > >>
> > > >>
> > _______________________________________________________________________
> > > >> Subscription information may be found at:
> > > >> http://www.groupstudy.com/list/CCIELab.html
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >>
> > > >
> > > >
> > > > --
> > > > Marc Abel
> > > > CCIE #35470
> > > > (Routing and Switching)
> > > >
> > > >
> > > > Blogs and organic groups at http://www.ccie.net
> > > >
> > > >
> _______________________________________________________________________
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> > > >
> > > >
> > > > Blogs and organic groups at http://www.ccie.net
> > > >
> > > >
> _______________________________________________________________________
> > > > Subscription information may be found at:
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> > >
> > >
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> > > _______________________________________________________________________
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> >
> >
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> >
> > _______________________________________________________________________
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>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
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> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
Marc Abel
CCIE #35470
(Routing and Switching)
Blogs and organic groups at http://www.ccie.net