RE: OER/PfR at lab exam?

Hi all , i just want to share some information i have regarding OER/PfR
In the lab exam , the IOS version installed on the routers are 12.4(15T) , which requires what so called PIRO to be implemented , please check the below link
http://www.cisco.com/en/US/docs/ios/pfr/configuration/guide/pfr-piro.html

BR,

> Date: Tue, 17 Apr 2012 07:32:48 -0700
> Subject: Re: OER/PfR at lab exam?
> From: renorider_at_gmail.com
> To: marcelodemetrio_at_me.com
> CC: eng_mssk_at_hotmail.com; seyeabimbolu_at_gmail.com; bdennis_at_ine.com; ccielab_at_groupstudy.com
>
> I found a good primer for this on ciscolivevirtual.com under 2009-2010
> sessions BRKRST-2361 : An Introduction to Performance Routing.
>
> I uploaded slidedeck to
> https://docs.google.com/open?id=0B6ODb-lpMS4fTEJTNUZmeFMzUEU
>
> Another heads up about CiscoLive! It is worth checking
> out registration options even if you can't attend. Many freebees right now.
> If you live in the area and can make it for just a day, they are offering a
> free conference pass to world of solutions, free certification exam, and
> free subscription to ciscolivevirtual.com. Don't forget to stop by
> Plantronics booth and check out innovations in unified communications end
> points. Fully functional out of the box with all the largest vendors (sorry
> for the plug).
>
> Thanks again Brian. Overwhelming intrest in this topic. Your session will
> equal audiences at a Metallica concert. We are looking forward to it!
>
> Regards,
>
> Marc
>
> On Sun, Apr 15, 2012 at 11:18 AM, Marcelo Demetrio
> <marcelodemetrio_at_me.com>wrote:
>
> > Hello Brian,
> >
> > I am very interested, if is possible, please include me.
> >
> > Thanks,
> >
> > Marcelo Demetrio
> >
> >
> > On 15/04/2012, at 02:26, Mohammad Khalil <eng_mssk_at_hotmail.com> wrote:
> >
> > > In as well
> > >
> > > BR,
> > > Mohammad
> > >
> > >> Subject: Re: OER/PfR at lab exam?
> > >> CC: bdennis_at_ine.com; ccielab_at_groupstudy.com
> > >> From: seyeabimbolu_at_gmail.com
> > >> Date: Sat, 14 Apr 2012 17:05:47 +0000
> > >>
> > >> Hello Brian,
> > >>
> > >> I am interested as well.
> > >>
> > >> Thanks,
> > >> Oluseye
> > >>
> > >> Sent from my BlackBerry. wireless handheld.
> > >>
> > >> -----Original Message-----
> > >> From: Mohammad Mousa <mohd-mousa_at_hotmail.com>
> > >> Sender: nobody_at_groupstudy.com
> > >> Date: Sat, 14 Apr 2012 18:19:49
> > >> To: Alexander Halim<cisco.alexand_at_gmail.com>
> > >> Reply-To: Mohammad Mousa <mohd-mousa_at_hotmail.com>
> > >> Cc: Bryan Stair<uptown.ccie_at_gmail.com>; Ben Hughes<bhughes_at_imc.net.au>;
> > Brian Dennis<bdennis_at_ine.com>; Joe Sanchez<marco207p_at_gmail.com>;
> > ccielab_at_groupstudy.com<ccielab_at_groupstudy.com>; marc abel<
> > marcabel_at_gmail.com>; Jay McMickle<jay.mcmickle_at_yahoo.com>
> > >> Subject: Re: OER/PfR at lab exam?
> > >>
> > >> Hi Brian,
> > >> Kindly Include me as well
> > >> Sent from my iPhone
> > >>
> > >> On Apr 14, 2012, at 6:09 PM, "Alexander Halim" <cisco.alexand_at_gmail.com>
> > wrote:
> > >>
> > >>> Please include me as well.
> > >>> BTW, none of us use PfR in production right?
> > >>>
> > >>> Regards,
> > >>> Alexander Halim
> > >>>
> > >>> On Apr 14, 2012, at 9:03 PM, Bryan Stair <uptown.ccie_at_gmail.com>
> > wrote:
> > >>>
> > >>>> Please include me on the training
> > >>>>
> > >>>> Thx
> > >>>>
> > >>>> On Thu, Apr 12, 2012 at 7:00 PM, Ben Hughes <bhughes_at_imc.net.au>
> > wrote:
> > >>>>
> > >>>>> Awesome, thanks Brian! I'm also in agreement it would be great to
> > have a
> > >>>>> more advanced class. I'd love to review the many pitfalls and
> > quirks you
> > >>>>> previously mentioned. I've been trying for days to get my routers
> > to force
> > >>>>> traffic based on DSCP through a particular BR to no avail. It would
> > be
> > >>>>> great to cover BRs connected with a GRE tunnel etc.
> > >>>>>
> > >>>>> Looking forward to it!
> > >>>>>
> > >>>>> cheers,
> > >>>>> Ben.
> > >>>>>
> > >>>>> From: Jay McMickle <jay.mcmickle_at_yahoo.com<mailto:
> > jay.mcmickle_at_yahoo.com>>
> > >>>>> Reply-To: Jay McMickle <jay.mcmickle_at_yahoo.com<mailto:
> > >>>>> jay.mcmickle_at_yahoo.com>>
> > >>>>> Date: Thu, 12 Apr 2012 10:56:00 -0500
> > >>>>> To: marc abel <marcabel_at_gmail.com<mailto:marcabel_at_gmail.com>>
> > >>>>> Cc: Brian Dennis <bdennis_at_ine.com<mailto:bdennis_at_ine.com>>, Joe
> > Sanchez <
> > >>>>> marco207p_at_gmail.com<mailto:marco207p_at_gmail.com>>, "
> > ccielab_at_groupstudy.com
> > >>>>> <mailto:ccielab_at_groupstudy.com>" <ccielab_at_groupstudy.com<mailto:
> > >>>>> ccielab_at_groupstudy.com>>
> > >>>>> Subject: Re: OER/PfR at lab exam?
> > >>>>>
> > >>>>> Agreed. I'm in!
> > >>>>>
> > >>>>> Regards,
> > >>>>> Jay McMickle- CCNP,CCSP,CCDP
> > >>>>> Sent from iJay
> > >>>>>
> > >>>>> On Apr 12, 2012, at 9:10 AM, marc abel <marcabel_at_gmail.com<mailto:
> > >>>>> marcabel_at_gmail.com>> wrote:
> > >>>>>
> > >>>>> 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
> > <mailto:
> > >>>>> 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<mailto: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<mailto:
> > >>>>> 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
> > <mailto:
> > >>>>> 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<mailto: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 18 2012 - 11:12:31 ART