Re: OER/PfR at lab exam?

One suggestion, let's make this a semi advanced class. There are plenty of
resources out there that show how to setup a master and borders. I think
this group is clamoring for something a little deeper. Can we make knowing
the basics a pre-req?

-Marc

On Thu, Apr 12, 2012 at 8:10 AM, Brian Dennis <bdennis_at_ine.com> wrote:

> I would be more than happy to do an online presentation covering PfR. I'm
> flying to NYC from Dubai tonight for a private CCIE bootcamp next week and
> then I have a public bootcamp in Washington DC after that so next weekend
> I'll be available. So if you all can be flexible we can try for next
> weekend. We can use our new streaming solution so that it's all recorded
> in a format that everyone can download and view for the people who can't
> attend.
>
> --
> Brian Dennis, CCIEx5 #2210 (R&S/ISP-Dial/Security/SP/**Voice)
>
> bdennis_at_ine.com
>
> Internetwork Expert, Inc.
> http://www.INE.com
>
>
> On 04/12/2012 03:35 AM, Joe Sanchez 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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>>>>>
>>>>>
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Received on Thu Apr 12 2012 - 09:10:28 ART