Re: Command Preference?

this seems to be one of those things that goes under why doesnt Cisco the
great doer of magic just make this the default, to ignore the mtu...

--
Garry L. Baker
"With sufficient thrust, pigs fly just fine..." - RFC 1925
On Tue, Mar 29, 2011 at 1:22 PM, Narbik Kocharians <narbikk_at_gmail.com>wrote:
> Tyson,
>
>
>
> I see your point, and I totally respect it. But to me, telling the code to
> ignore a check which maybe should not have been there to begin with is more
> of a fix than a patch. But i could be wrong, i guess it all depends how you
> look at it. But I definitely see what you are saying.
>
>
> On Tue, Mar 29, 2011 at 2:53 AM, Carlos G Mendioroz <tron_at_huapi.ba.ar
> >wrote:
>
> > +1
> >
> > ...although I would have said "instead of applying a patch to a problem"
> :)
> >
> > OSPF does this on purpouse, to test link is viable to carry small
> (hellos)
> > and large packets. Disabling the test is like silencing the alarm,
> problem
> > is still there, might byte you later.
> >
> > -Carlos
> >
> > Tyson Scott @ 29/03/2011 03:05 -0300 dixit:
> >
> > system mtu routing fixes a problem instead of applying a fix to a
> problem.
> >> Obviously you will always have to follow the lab requirements but my
> >> preference is simply a mindset.  Just like with a real network.
> >>  Preferably
> >> you will fix the underlying issues by fixing the design instead of
> >> applying "
> >> CCIE" tactics to work around issues.
> >>
> >>
> >>
> >> Regards,
> >>
> >>
> >>
> >> Tyson Scott - CCIE #13513 R&S, Security, and SP
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> From: Larry Hadrava [mailto:larryh12203_at_gmail.com]
> >> Sent: Monday, March 28, 2011 5:24 PM
> >> To: Narbik Kocharians
> >> Cc: Tyson Scott; Cisco certification; ALL From_NJ
> >> Subject: Re: Command Preference?
> >>
> >>
> >>
> >> Ok, I have to ask, Tyson, why do you prefer the system mtu routing 1500
> >> choice?
> >>
> >> I would recommend to be careful with the wording of the requirement if
> >> this
> >> was in a lab setting to be sure which one they were asking you to use.
> >>
> >> The requirement might say -  Do not disable mismatch detection on
> >> receiving
> >> DBD packets which would lead one to use the system mtu routing choice.
> >>
> >> If the requirement said - do not use any global configuration command to
> >> allow
> >> the OSPF relationship to form, then that would lead to using the ip ospf
> >> mtu-ignore command.
> >>
> >> Thanks
> >> Larry Hadrava
> >> CCIE #12203
> >> Check Out MyBlog: http://ccie12203.wordpress.com/
> >>
> >>
> >>
> >>
> >>
> >> ----- Original Message -----
> >> From: "Narbik Kocharians" <narbikk_at_gmail.com>
> >> To: "ALL From_NJ" <all.from.nj_at_gmail.com>
> >> Cc: "Tyson Scott" <tscott_at_ipexpert.com>, "Cisco certification"
> >> <ccielab_at_groupstudy.com>
> >> Sent: Monday, March 28, 2011 5:10:10 PM GMT -05:00 US/Canada Eastern
> >> Subject: Re: Command Preference?
> >>
> >> The only reason i liked the "ip ospf mtu-ignore" is just incase i have
> to
> >> establish an OSPF session with another box. If this is configured, then,
> i
> >> don't have to worry about it. But i am sure we all have our reasons why
> we
> >> chose one option versus the other.
> >>
> >> On Mon, Mar 28, 2011 at 12:23 PM, ALL From_NJ <all.from.nj_at_gmail.com>
> >> wrote:
> >>
> >> Thanks everyone!  I appreciate hearing your perspectives!
> >>>
> >>>
> >>> .
> >>>
> >>> On Mon, Mar 28, 2011 at 2:40 PM, Tyson Scott <tscott_at_ipexpert.com>
> >>> wrote:
> >>>
> >>> I prefer the first.
> >>>>
> >>>> Regards,
> >>>>
> >>>> Tyson Scott - CCIE #13513 R&S, Security, and SP
> >>>>
> >>>>
> >>>>
> >>>> -----Original Message-----
> >>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf
> Of
> >>>> ALL
> >>>> From_NJ
> >>>> Sent: Sunday, March 27, 2011 9:01 PM
> >>>> To: Cisco certification
> >>>> Subject: Re: Command Preference?
> >>>>
> >>>> ok, sent too soon ... sorry about that.
> >>>>
> >>>> If you are allow to use either, do you have a preference when peering
> >>>>
> >>> with
> >>>
> >>>> a
> >>>> switch?
> >>>>
> >>>> system mtu routing 1500
> >>>> or
> >>>> ip ospf ignore-mtu
> >>>>
> >>>> seems that setting the system mtu routing might save you some trouble
> >>>>
> >>> later
> >>>
> >>>> on ...
> >>>>
> >>>> Your thoughts?
> >>>>
> >>>> Andrew
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> I know either one will work IF YOU ARE ALLOWED
> >>>>>
> >>>>> --
> >>>>> Andrew Lee Lissitz
> >>>>> all.from.nj_at_gmail.com
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>> --
> >>>> Andrew Lee Lissitz
> >>>> all.from.nj_at_gmail.com
> >>>>
> >>>>
> >>>> Blogs and organic groups at http://www.ccie.net
> >>>>
> >>>>
> _______________________________________________________________________
> >>>> Subscription information may be found at:
> >>>> http://www.groupstudy.com/list/CCIELab.html
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>> --
> >>> Andrew Lee Lissitz
> >>> all.from.nj_at_gmail.com
> >>>
> >>>
> >>> 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 <http://www.micronicstraining.com/> <
> http://www.micronicstraining.com/> <
> >> http://www.micronicstraining.com/>
> >> Sr. Technical Instructor
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> >>
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> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> > --
> > Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
> >
>
>
>
> --
>  *Narbik Kocharians
> *CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining.com <http://www.micronicstraining.com/> <
> http://www.micronicstraining.com/>
> Sr. Technical Instructor
> *Ask about our FREE Lab Voucher with our Boot Camps*
> YES! We take Cisco Learning Credits!
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>
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