Re: CCIE Lab Tips: Housekeeping Commands

From: Marko Milivojevic <markom_at_ipexpert.com>
Date: Thu, 28 Apr 2011 22:01:16 -0700

I hope you forgive us instructors for using full commands instead of
shortcuts. After all, we're here to educate :-)

Using 'show run', or at least 'show run | include' or 'show run |
section' are very useful in troubleshooting. I wouldn't disregard them
as extremely troubleshooting commands.

--
Marko Milivojevic - CCIE #18427
Senior Technical Instructor - IPexpert
FREE CCIE training: http://bit.ly/vLecture
Mailto: markom_at_ipexpert.com
Telephone: +1.810.326.1444
Web: http://www.ipexpert.com/
On Thu, Apr 28, 2011 at 21:53, Nick Matthews <matthn_at_gmail.com> wrote:
> To add:
> I think adding aliases is for suckers. B If you're constantly in your
> own environment, I can understand. B I can be convinced there.
>
> Otherwise, learning the shortcuts for all the commands I think is the
> way to go. B I cringe just a little bit every time I see someone type
> out 'include' instead of i, 'exclude' instead of 'e', 'begin' instead
> of 'b', do a 'show run' to troubleshoot something. B If you become
> intimately familiar with where you want to look at in the
> configuration and use the pipe commands, and learn the shortest letter
> combinations for all your commonly used commands, I think you'll find
> better success because you won't have to enter aliases all over the
> place.
>
> Although I still install one one nexus switches for 'wr' because copy
> run start is a dumb command.
>
> If you're administering devices without logging sync, you just don't
> know better. B I don't know of a single reason not to have this
> everywhere (except NXOS where I haven't found an equivalent).
>
> The only commands I disagree with (for lab) - transport input none,
> alias commands, and the ntp commands.
>
> -nick
>
> On Fri, Apr 29, 2011 at 12:46 AM, Nick Matthews <matthn_at_gmail.com> wrote:
>> In the lab: definitely enable console logging 100% of the time.
>>
>> Out of the lab: definitely disable console logging 100% of the time
>> (outside initial config on console).
>>
>> As far as I understand, every character (or line) to the console is
>> sent as a CPU interrupt. B This is why people are deathly afraid of
>> enabling debugs. B In a properly configured router/switch, you can
>> pretty much run debug all without service interruption. B If your
>> router is at 60-70% I probably wouldn't test it, but people largely
>> freak out about debugs because of this. B Disabling logging monitor
>> also helps, and disabling logging server equally helps. B Though the
>> router will generally just not send logging messages if it's
>> overloaded. B End of story - logging buffered is the bomb diggity and
>> is both the most reliable and least resource intensive.
>>
>> -nick
>>
>> On Thu, Apr 28, 2011 at 9:57 PM, Garth Bryden
>> <garth.bryden_at_internetworkpress.com> wrote:
>>> I took the lab late last year and the proctor did not mention anything of
>>> the sort, the only recommendation was
>>>
>>> B "DO NOT save your configuration files to flash!"
>>> On Wed, Apr 27, 2011 at 2:06 AM, Darby Weaver <darby.weaver_at_gmail.com>wrote:
>>>
>>>> Thanks for the advice Marko...
>>>>
>>>> However, the lab as you should know from your "4" labs (kewl only 3 or so
>>>> attempts for the CCIE Instructor + CCIE already) is only graded at the end.
>>>>
>>>> Now... you should recall that the proctor will tell you to remove
>>>> unnecessary commands at the beginning and at the end of the lab.
>>>>
>>>> If that is not enough the proctors also give enough time to remove said
>>>> commands as well.
>>>>
>>>> Sometime... you gotta take off the ear plugs in the lab to hear what is
>>>> going on.
>>>>
>>>> Darby
>>>>
>>>> http://www.darbyslogs.blogspot.com
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> B On Tue, Apr 26, 2011 at 1:40 PM, Steve Di Bias <sdibias_at_gmail.com> wrote:
>>>>
>>>> > I agree with Marko on console logging, which I usually have set to
>>>> "logging
>>>> > console debugging" during practice runs...
>>>> >
>>>> >
>>>> > On Tue, Apr 26, 2011 at 10:23 AM, Marko Milivojevic <markom_at_ipexpert.com
>>>> >wrote:
>>>> >
>>>> >> Also, I wouldn't recommend adding any other commands you posted.
>>>> >> Unless you are asked to do that stuff, don't. Anything you do of the
>>>> >> sort MAY interfere with the grading in some weird way and besides ...
>>>> >> it wastes your time for very little gain.
>>>> >>
>>>> >> From my experience in my 4 visits to the lab, most of the useful
>>>> >> housekeeping commands are already pre-configured. I had to run only
>>>> >> few that had the lifetime of the terminal session and that was it.
>>>> >>
>>>> >> Oh one thing though - disabling console logging in the lab.... very,
>>>> >> very, very bad idea. You will be removing one the most useful early
>>>> >> warning systems you have. I highly recommend against it.
>>>> >>
>>>> >> --
>>>> >> Marko Milivojevic - CCIE #18427
>>>> >> Senior Technical Instructor - IPexpert
>>>> >>
>>>> >> FREE CCIE training: http://bit.ly/vLecture
>>>> >>
>>>> >> Mailto: markom_at_ipexpert.com
>>>> >> Telephone: +1.810.326.1444
>>>> >> Web: http://www.ipexpert.com/
>>>> >>
>>>> >> On Tue, Apr 26, 2011 at 09:52, Darby Weaver <darby.weaver_at_gmail.com>
>>>> >> wrote:
>>>> >> > Yeppers!
>>>> >> >
>>>> >> > Wax on and wax off and I should have mentioned that disclaimer.
>>>> >> >
>>>> >> > Thanks Ryan!
>>>> >> >
>>>> >> > Darby
>>>> >> >
>>>> >> > http://www.darbyslogs.blogspot.com
>>>> >> >
>>>> >> > On Tue, Apr 26, 2011 at 10:56 AM, Ryan West <rwest_at_zyedge.com> wrote:
>>>> >> >
>>>> >> >> On Tue, Apr 26, 2011 at 10:32:43, Darby Weaver wrote:
>>>> >> >> > Subject: CCIE Lab Tips: Housekeeping Commands
>>>> >> >> >
>>>> >> >> > service timestamps debug datetime msec localtime service timestamps
>>>> >> >> > log datetime msec localtime
>>>> >> >> >
>>>> >> >> >
>>>> >> >> > logging buffered 100000 debugging
>>>> >> >> > no logging console
>>>> >> >> > no logging monitor
>>>> >> >> >
>>>> >> >> > clock timezone EST -5
>>>> >> >> > alias exec srb show run | begin
>>>> >> >> > alias exec sri show run | inc
>>>> >> >> > Just a quick helpful tip.
>>>> >> >> >
>>>> >> >> > alias exec srr show run | begin ^router alias exec c config t alias
>>>> >> >> > exec i show ip route alias exec ship show ip int brief | excl una
>>>> >> >> >
>>>> >> >> >
>>>> >> >>
>>>> >> >> Hopefully you're keeping a script to remove all your aliases at the
>>>> end
>>>> >> of
>>>> >> >> the day, the proctors will remind you though.
>>>> >> >>
>>>> >> >> -ryan
>>>> >> >>
>>>> >> >
>>>> >> >
>>>> >> >
>>>> >> > --
>>>> >> > Darby Weaver
>>>> >> > Network Engineer
>>>> >> >
>>>> >> >
>>>> >> > darbyweaver_at_yahoo.com
>>>> >> >
>>>> >> >
>>>> >> > Blogs and organic groups at http://www.ccie.net
>>>> >> >
>>>> >> >
>>>> _______________________________________________________________________
>>>> >> > Subscription information may be found at:
>>>> >> > http://www.groupstudy.com/list/CCIELab.html
>>>> >>
>>>> >>
>>>> >> Blogs and organic groups at http://www.ccie.net
>>>> >>
>>>> >> _______________________________________________________________________
>>>> >> Subscription information may be found at:
>>>> >> http://www.groupstudy.com/list/CCIELab.html
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >>
>>>> >
>>>> >
>>>> > --
>>>> > -Steve Di Bias
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> B Darby Weaver
>>>> Network Engineer
>>>>
>>>>
>>>> darbyweaver_at_yahoo.com
>>>>
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
>>>> _______________________________________________________________________
>>>> Subscription information may be found at:
>>>> http://www.groupstudy.com/list/CCIELab.html
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net
Received on Thu Apr 28 2011 - 22:01:16 ART

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