From: Narbik Kocharians (narbikk@gmail.com)
Date: Wed Nov 21 2007 - 19:15:15 ART
I hate to say it, but typically you see posts like that from NON-CCIEs, i
have never seen a CCIE make such comment.
On 11/21/07, Gary Duncanson <gary.duncanson@googlemail.com> wrote:
>
> Hello Peter,
>
> I thought you had left the list. I used to like your posts and found some
> of
> the material you produced for certificationzone and other publications
> really interesting. I recall the email you posted about you passing your
> CCIE a few years ago which is in the archives somewhere. The methodology
> you
> used for preparing for the CCIE was really good and as relevent today as
> it
> has ever been.
>
> Regards
> Gary
> ----- Original Message -----
> From: "Peter Van Oene" <petvan@gmail.com>
> To: "Cisco certification" <ccielab@groupstudy.com>
> Sent: Wednesday, November 21, 2007 4:56 PM
> Subject: Re: synchronization ibgp amd igrp
>
>
> >I love that cisco tests on BGP synch ;-) what a useful feature that
> > is. I'm sure hiring managers are happy that CCIE's can be expected to
> > understand technology that hasn't been remotely relevant for well over
> > a decade. Here is a useful application of your time. SNA is way more
> > relevant.
> >
> > P
> >
> > On Nov 20, 2007 10:21 AM, Anthony Sequeira
> > <Anthony_Sequeira@skillsoft.com> wrote:
> >> First - make sure you completely understand the synchronization rule of
> >> BGP. This rule states...
> >>
> >> "A BGP router should not use or advertise to an external neighbor, a
> >> route that is learned from IBGP unless the route is local or the router
> >> learns it from an IGP."
> >>
> >> I always remembered this by thinking about BGP needing to be in
> >> synchronization with the underlying IGP.
> >>
> >> BGP synchronization is off by default in IOS release 12.2(8)T and
> later.
> >> Earlier releases had it turned on by default. I presume that it used to
> >> be on by default because for a long time it was fine to redistribute
> BGP
> >> routes into the underlying IGP and a full mesh of IBGP was not
> >> considered necessary.
> >>
> >> Once you FULLY understand the rule, it should not present any fears for
> >> you in the lab exam.
> >>
> >> For example, if they were to have you turn ON synchronization on the
> >> routers, and you are having trouble with prefix advertisement, then you
> >> would know where to look. Perhaps you were supposed to have the prefix
> >> in question advertised in an IGP somewhere!
> >>
> >> Anthony J. Sequeira
> >> #15626
> >> Recert Required? No Problem!
> >> http://www.netmasterclass.net/CCIE/Self-Paced-Program/Written
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> >> shady darwish
> >> Sent: Tuesday, November 20, 2007 9:39 AM
> >> To: Cisco certification
> >> Subject: sychronization ibgp amd igrp
> >>
> >> when do we have to use synch and why and when we don't
> >>
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> >
> > _______________________________________________________________________
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>
> _______________________________________________________________________
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-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 www.Net-WorkBooks.com
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