Re: OER/PfR at lab exam?

We are trying to get more in depth understanding. I can't speak for Brian
personally, but I am looking to get better understanding of how to
configure path selection based on DSCP, MOS scores, and other active policy
based probing. I am getting more comfortable with the basics. I think that
last post I sent out is great reference for gaining fundamentals. Seems
like this group would like to go one step further than referenced. That way
when we see any form of it in the lab, it will seem like child's play due
to our advanced understanding :) Take a look at the slides and post any
questions you might have. I think this is where to start... gain the
basics. The audience was asking this to be pre requisite.

Regards,

Marc

On Tue, Apr 17, 2012 at 8:31 AM, Mohammad Mousa <mohd-mousa_at_hotmail.com>wrote:

> Hi guys,
> Brian
> will explain this topics from the ground or should I have a good
> understanding for that topic ?
>
> Sent from my iPhone
>
> On Apr 17, 2012, at 5:46 PM, "marc edwards" <renorider_at_gmail.com> wrote:
>
> > 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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> >>>>>>>
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Received on Tue Apr 17 2012 - 09:34:00 ART