RE: OER/PfR at lab exam?

Please include me in this and i have some tips to share as well

BR,
Mohammad

> CC: bdennis_at_ine.com; ccielab_at_groupstudy.com
> From: marco207p_at_gmail.com
> Subject: Re: OER/PfR at lab exam?
> Date: Wed, 11 Apr 2012 18:35:06 -0500
> To: immrccie_at_gmail.com
>
> 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 - 08:35:30 ART