Re: OER/PfR at lab exam?

Dear Brian

Plz include me also.

Thx
Aamir

Sent from my iPhone

On Apr 17, 2012, at 9:53 PM, Lazar Adrian <adrianlazar_at_gmail.com> wrote:

> Hi Brian,
>
> Please also include me on the PFR document distribution list.
>
> Thank you!
> Adrian
>
> 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.
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> ______________________________**______________________________**
>>> ___________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/**list/CCIELab.html<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 <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 Tue Apr 17 2012 - 23:36:17 ART