Re: OER/PfR at lab exam?

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 Wed Apr 11 2012 - 22:03:26 ART