Re: OER/PfR at lab exam?

From: Mohammad Moghaddas <moghaddas.it_at_gmail.com>
Date: Thu, 12 Apr 2012 09:40:11 +0430

I'm in too, but again not as an expert.
And Brian if it is possible, please include me in the cc .

On Thu, Apr 12, 2012 at 08:05, marc edwards <renorider_at_gmail.com> wrote:

> I think it is good just taking a subject we are all concerned about.
> Obvously recognoze it's importance on the exam. pin pointing areas Cisco is
> focussing on. They seem to all stem from same principals and are an
> accumilation of these to create a complex scenerio.
>
> Example is BGP. CCIEs and people at SP and others know it and work with it
> all day. Seemed like, at one point, it was good to ID where things can get
> ID'd in DOC CD that can be copied edited.
>
> I think Cisco has gone past this simplcity on this topic. Also based on the
> many foundations needed to work (Track, SLA, QoS, NAT) can make it all that
> much more overwhelming.
>
> I appreciate the good words. I feel I mastered quite a bit of topics by
> opening up the forum and teaching, taking criticism when not correct, and
> just getting a full nights worth of genuine interest from a select few who
> want to take this to the next leve. Get our moneys worth.
>
> Not always about the money for the ones who stick it out to the end. See
> you May 9 Cisco come get me some!
>
> On Wed, Apr 11, 2012 at 8:03 PM, Jay McMickle <jay.mcmickle_at_yahoo.com
> >wrote:
>
> > I'm in, but again and like Marc, I'm far from the expert. Marc use to
> host
> > his Friday Webex sessions, and this style worked well. I'd be happy to
> > learn this or that- who's the PfR expert?
> >
> > Regards,
> > Jay McMickle- CCNP,CCSP,CCDP
> > Sent from iJay
> >
> > On Apr 11, 2012, at 6:44 PM, marc edwards <renorider_at_gmail.com> wrote:
> >
> > > I will be there... but not the expert :)
> > >
> > > On Wed, Apr 11, 2012 at 4:35 PM, Joe Sanchez <marco207p_at_gmail.com>
> > wrote:
> > >
> > >> How about this.... Someone (expert) on the subject of OER put
> together a
> > >> webex and let it roll.. I'm willing to sacrifice a Saturday and a
> > little $
> > >> to get it rolling.
> > >>
> > >> It seems a lot of people are lacking confidence in the OER realm,
> > >> including me... So what do you say?
> > >>
> > >> Regards,
> > >> Joe Sanchez
> > >>
> > >> On Apr 11, 2012, at 4:13 PM, Imran Ali <immrccie_at_gmail.com> wrote:
> > >>
> > >>> Brian ,
> > >>>
> > >>> A blog containing the link will be appreciated by all. However if
> you
> > >>> want to unicast when master piece get ready , please include me in
> cc.
> > >>>
> > >>> On Wed, Apr 11, 2012 at 12:35 PM, Brian Dennis <bdennis_at_ine.com>
> > wrote:
> > >>>
> > >>>> Since PfR/OER is relatively new to the lab exam it's not covered as
> > much
> > >>>> as a topic like OSPF, MPLS VPNs, etc in most products. That being
> > said
> > >> I
> > >>>> currently spend at least one full day covering it in my 10 Day R&S
> > >>>> bootcamps and I cover it in-depth as getting 5 or 6 points on it in
> > the
> > >> lab
> > >>>> exam can be the difference between passing or failing. I start from
> > the
> > >>>> basics (i.e. load balancing, PfR static & BGP route manipulation,
> etc
> > )
> > >> and
> > >>>> work into the more advanced configurations (i.e. link groups, fast
> > mode,
> > >>>> jitter probes, delay, PBR based upon DSCP, using PfR for sink holing
> > >>>> traffic, etc).
> > >>>>
> > >>>> To be honest there are a ton of strange, for lack of a better term,
> > >> quirks
> > >>>> with PfR that can cause trouble when someone is just starting out
> > >> learning
> > >>>> PfR. So although it may seem like a good idea for me to just
> throwing
> > >> you
> > >>>> the labs from my bootcamp, that isn't going to be what you really
> need
> > >> to
> > >>>> truly understand it. It would be like saying to me "Hey Brian I
> want
> > to
> > >>>> learn MPLS VPNs" and I say "Here are a couple labs. Good luck!".
> > Think
> > >>>> that will work? No.
> > >>>>
> > >>>> Here is just a few example of quirks with PfR: An access-list used
> > >> with a
> > >>>> learn list can not match IP addresses but an access-list with a
> > oer-map
> > >>>> should match IP addresses. When using fast mode with a learn list
> you
> > >> need
> > >>>> to use a prefix list when also matching with an access-list. Or how
> > to
> > >>>> configure PfR to do PBR unconditionally without any OOP condition,
> > etc,
> > >>>> etc, etc.
> > >>>>
> > >>>> As I mentioned there are a lot of pitfalls with learning PfR due to
> > the
> > >>>> fact it's a newer technology and went through a lot of changes in
> IOS
> > >>>> 12.4T. PfR is an awesome technology and I personally love it but it
> > >> can be
> > >>>> complicated to learn for anyone starting out. I would venture to
> say
> > >> that
> > >>>> is it one of the most complicated of any technology currently
> covered
> > in
> > >>>> the lab exam. The documentation is 33% bigger than the OSPF
> > >> documentation
> > >>>> and it's only getting larger with QoS being added and PfR domains in
> > >> future
> > >>>> releases.
> > >>>>
> > >>>> I started a blog series on it (http://goo.gl/yH0ip) but have since
> > >>>> decided to just write a whole document covering PfR as the topic is
> > just
> > >>>> too big to cover in a few blog posts. I currently have over 100
> pages
> > >> and
> > >>>> I'm hoping to release it around the end of the month. If anyone
> would
> > >> like
> > >>>> a copy, free of charge of course, just let me know.
> > >>>>
> > >>>> Lastly if anyone wants to come see me cover PfR in person free of
> > charge
> > >>>> just contact INE sales and ask to audit one day of my bootcamp.
> It's
> > >>>> normally covered on the 8th day of my bootcamp. I'm in Dubai this
> > week
> > >> and
> > >>>> covered PfR yesterday and have a private bootcamp next week but
> after
> > >> that
> > >>>> I'm teaching in Washington, DC and Seattle next so feel free to stop
> > by.
> > >>>>
> > >>>> --
> > >>>> Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/**Voice)
> > >>>> bdennis_at_ine.com
> > >>>>
> > >>>> Internetwork Expert, Inc.
> > >>>> http://www.INE.com
> > >>>>
> > >>>>
> > >>>> On 04/11/2012 02:35 AM, Ivan Hrvatska wrote:
> > >>>>
> > >>>>> Hi,
> > >>>>>
> > >>>>> I just purchased ciscopress ccie r&s exam cert guide 4th edition,
> > >>>>> since I had 3rd in which there was nothing about OER and PfR. I
> must
> > >>>>> say that the quality of that subject in new edition of the book is
> > >>>>> really poor. One config example without any explanations and
> without
> > >>>>> any topology diagrams. Nothing that can help someone to understand
> > the
> > >>>>> topic.
> > >>>>> So, my question is how deep this subject goes in potential task at
> > >>>>> exam? How much time should I spend on it since it can be very
> complex
> > >>>>> feature? The book says:
> > >>>>> "As you will see as you explore PfR more deeply, it is remarkably
> > >>>>> powerful. As you would expect, it also has many configuration
> > options.
> > >>>>> For the CCIE R&S qualifying exam, you should understand the
> concepts
> > >>>>> of PfR and how it operates and its core functionality."
> > >>>>>
> > >>>>> Thanks.
> > >>>>>
> > >>>>>
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Received on Thu Apr 12 2012 - 09:40:11 ART

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