Re: Peice of ADVICE from EXPERTS , 3 days left for LAB !!

From: Paul Negron <negron.paul_at_gmail.com>
Date: Sun, 06 Feb 2011 13:15:47 -0700

Marriage?

Ha Ha!!!

-- 
Paul Negron
CCIE# 14856 CCSI# 22752
Senior Technical Instructor
www.micronicstraining.com
> From: Antonio Soares <amsoares_at_netcabo.pt>
> Reply-To: Antonio Soares <amsoares_at_netcabo.pt>
> Date: Sun, 6 Feb 2011 20:08:08 -0000
> To: 'Scott Morris' <swm_at_emanon.com>, <togunsina_at_gmail.com>
> Cc: <ccielab_at_groupstudy.com>
> Subject: RE: Peice of ADVICE from EXPERTS , 3 days left for LAB !!
> 
> Congratulations Scott ! You're the best. So what will be your next victim ?
> :)
> 
> 
> Regards,
> 
> Antonio Soares, CCIE #18473 (R&S/SP)
> amsoares_at_netcabo.pt
> 
> 
> -----Original Message-----
> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
> Scott Morris
> Sent: domingo, 6 de Fevereiro de 2011 19:51
> To: togunsina_at_gmail.com
> Cc: ccielab_at_groupstudy.com
> Subject: Re: Peice of ADVICE from EXPERTS , 3 days left for LAB !!
> 
> 
>  I have to do something to shake my brain up every now and then.  :)
> Thanks!
> 
> Scott Morris, CCIEx4 (R&S/ISP-Dial/Security/Service Provider) #4713,
> 
> CCDE #2009::D, JNCIE-M #153, JNCIE-ER #102, CISSP, et al.
> 
> CCSI #21903, JNCI-M, JNCI-ER
> 
> swm_at_emanon.com
> 
> Knowledge is power.
> 
> Power corrupts.
> 
> Study hard and be Eeeeviiiil......
> 
> On 2/6/11 10:40 AM, Tolulope Ogunsina wrote:
> 
>   I noticed a slight change in your signature :)
>   I guess that means you are now a Dual JNCIE. Combined with being a Quad
> CCIE and a CCDE!
>   Congrats!
>   Best Regards, Tolulope Ogunsina, CCIE x2 (R&S|Sec)
>   
>   -----Original Message-----
>   From: Scott Morris   <swm_at_emanon.com>  Sender:   nobody_at_groupstudy.com
> Date: Sun, 06 Feb 2011 10:01:57
>   To:   <ccielab_at_groupstudy.com>  Reply-To: Scott Morris   <swm_at_emanon.com>
> Subject: Re: Peice of ADVICE from EXPERTS , 3 days left for LAB !!
>   
>   Remember that a "bug in IOS on GNS3" is completely different than a "bug
>   in IOS".  Things that you are presented with in the lab are
>   (intentionally) not brand new technologies....  They've been around for
>   a while, and the exams have gone through internal testing with multiple
>   people to assure that they do actually work.
>   
>   Is it possible to trigger a bug they hadn't anticipated?  Sure, because
>   your ENTIRE config may be different than what they did, and you may do
>   one thing that affects another.  If you suspect anything like that,
>   involve the proctor ASAP.   They may tell you to go look at your configs
>   again (which typically will tell you that they know what you did wrong
>   because they've seen it several times before, and it's self-induced).
>   If you still can't find it, let them know (nicely!) why you think it's a
>   bug and what you've done.  If they agree, they will kick you off your
>   rack for a little while and will look at your routers/configs and test
>   it.  If it is a bug, they'll let you know and you will likely get lost
>   time back (if you spent three hours doing this, good luck on that!) but
>   if they find it's your problem, you lose the time.
>   
>   You may also decide to skip something any move on if it's not critical
>   (or band-aid it if it is critical) so that you know exactly which points
>   you have lost.
>   
>   That's all part of your time management strategy.  But generally
>   speaking you SHOULDN'T run into bugs.
>   
>   Best of luck to you!
> 
>   *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
>   
>   CCDE #2009::D, JNCIE-M #153, JNCIE-ER #102, CISSP, et al.
>   
>   CCSI #21903, JNCI-M, JNCI-ER
>   swm_at_emanon.com 
>   
>   Knowledge is power.
>   
>   Power corrupts.
>   
>   Study hard and be Eeeeviiiil......
> 
>   On 2/6/11 4:46 AM, Asfer Shah wrote:
> 
>     Just one query, what do you guys suggest, because everyone is saying
> that
>     this
>     is a BUG in CISCO IOS
>     so in that case what should a person do ?
>     
>     1. Just paste the standard working configs verify the solution one by
> one ,and
>     come out of the lab.
>     2. Do a work around which may deduct the marks because both the
> technologies
>     don't work together at the same time
>     3. ask the proctor ? because he must know the bug , but again he can
> make your
>     day worst by guiding you into a wrong way ?
>     4. Just drop one Section, lets say the internet and dont risk the entire
>     
>     MULTICAST because of that 0.0.0.0 default route :(
> 
>     please reply back since I have less then a week now :(, I hope I don't
>     encounter into this situation in the real LAB ?
> 
>       From:       s_asfar_at_hotmail.com      To:
> scott_ccie_list_at_it-ag.com      CC:       ccielab_at_groupstudy.com
> Subject: RE: No SOLUTION till DATE for this SCNERIO ???? Challenging
> 
>     MULTICAST TASK ?? Please ADVICE
> 
>       Date: Sun, 6 Feb 2011 06:37:15 +0000
>       
>       Thanks SCOTT,
>       Just one query, what do you guys suggest, because everyone is saying
> that    
> 
>     this      
> 
>       is a BUG in CISCO IOS
>       so in that case what should a person do ?
>       
>       1. Just paste the standard working configs verify the solution one by
> one ,
>       and come out of the lab.
>       2. Do a work around which may deduct the marks because both the
> 
>     technologies 
> 
>       don't work together at the same time
>       3. ask the proctor ? because he must know the bug , but again he can
> make    
> 
>     your      
> 
>       day worst by guiding you into a wrong way ?
>       4. Just drop one Section, lets say the internet and dont risk the
> entire
>       MULTICAST because of that 0.0.0.0 default route :(
> 
>       please reply back since I have less then a week now :(, I hope I don't
>       encounter into this situation in the real LAB ?
> 
>  
> ============================================================================
> =      
> 
>       =====================================
> 
>         CC:         markom_at_ipexpert.com        ;
> ccielab_at_groupstudy.com        From:         scott_ccie_list_at_it-ag.com
> To:         s_asfar_at_hotmail.com        Subject: Re: No SOLUTION till DATE
> for this SCNERIO ???? Challenging
> 
>       MULTICAST TASK ?? Please help
> 
>         Date: Thu, 3 Feb 2011 17:19:57 -0700
>         
>         Oh, and also:
>         
>         Best luck with your rapidly approaching lab date!!
>         
>         ____________________________________________
>         There are only 10 types of people in the world:
>         Those who understand binary and those who do not...
>         
>         On Feb 3, 2011, at 5:07 , Scott M Vermillion wrote:
> 
>           So I brushed up a little bit on my draft-rosen stuff this
> afternoon
>           (been nearly three years since I even thought about that mess!)
> and
>           then had a closer look at your configs.  In truth, it will
> probably
>           take an SP CCIE or SP CCIE candidate to weigh in and help you out
> but
>           I will be happy to try.  At the very least, I still feel very
> strong
>           in general mcast, if not MDT, specifically.
>           
>           Are you perchance running this in a Dynamips environment?  If so,
> I'd
>           love to see that .net file.  Also, you said you could share
> further
>           details, which would be most helpful.  Probably more so to an SP
> type
>           than and R&S guy like myself but the more detail you post, the
> more
>           likely you are to entice someone knowledgeable into the problem!
> ;-)
>           
>           ____________________________________________
>           There are only 10 types of people in the world:
>           Those who understand binary and those who do not...
>           
>           On Feb 2, 2011, at 7:31 , Asfer Shah wrote:
> 
>             Thanks
>             Scoottt, I surely will try to check the tutorials but the
> problem is
>             that Its
>             very basic thing which is not coming up ?
>             I am trying to run the Multicast in INTRA-AS between my two
> sites(R9
>             and
>             R7/R8) connected via MPLS - VPN's . (R4 is RP and client & R5 is
>             SOURCE)
>             Everything runs smoothly unless,  I introduce the default route
> from
>             the (R6)
>             which is the internet gateway for my PE's of ABC Vpn's.
>             
>             Whenever the default route is injected my PE outgoing interface
>             donot point
>             towards the tunnel and starts to follow the 0.0.0.0 source !!
> which
>             breaks my
>             multicast communication and messes everything !
>             I can share the details with you even further, I discussed this
>             scenerio will
>             couple of other CCIE's but somehow no one has managed to answer
> my
>             solution ?
>             thanks
>             
>             CC:             markom_at_ipexpert.com            ;
> ccielab_at_groupstudy.com            From:
> scott_ccie_list_at_it-ag.com            To:             s_asfar_at_hotmail.com
> Subject: Re: No SOLUTION till DATE for this SCNERIO ???? Challenging
>             MULTICAST
>             TASK ?? Please help
>             Date: Wed, 2 Feb 2011 11:17:11 -0700
>             
>             So it looks as if you've got some vendor's full-scale SP lab up
> and
>             running
>             there.  Lots of layers to an onion like that which are not going
> to
>             be readily
>             apparent with just a glance over the configs.  It's also not
> evident
>             from your
>             text exactly what was working before the introduction of the
> default
>             route
>             came along and broke things.  I see you've got a couple of 'ip
> igmp
>             join-group' commands on your CEs but it's not clear to me what
> you
>             were
>             pinging - and from where - that worked and then later ceased
>             working.  What
>             mcast troubleshooting have you done thus far?
>             I try to keep my posts as vendor-neutral as possible but if you
>             google
>             "multicast troubleshooting" you will find a couple of very, very
> good
>             tutorials out there.  If you follow a logical process of
> validating
>             all of
>             your various control and data plane RPF checks, etc, you are
> bound
>             to find the
>             problem for yourself quickly...
>             ____________________________________________There are only 10
> types
>             of people
>             in the world:
>             Those who understand binary and those who do not...
>             On Feb 2, 2011, at 2:50 , Asfer Shah wrote:
>             thanks for the quick Reply, Actually I am appearing in les than
> a
>             week time
>             and I am failing to understand this buG !!
>             nothing much I could figure out !!!
>             I am hell stuck,since either multcast or Internet will wok at a
>             single time
>             !!
>             
>             CE1 is dual homed to PE5 and PE3, we have three GRE (MDT)
> tunnels
>             between PE2
>             , PE 5 and PE3
>             thanks
> 
>  
> |--------------------------
>             PE5-----
>             -----
>                                                     |
>             |    
> 
>  
> INT---------PE1--------PE2--------------------------PE3--------CE1
>                                   |              |
>                                   |              |
>                                  PE4         CE2
> 
>               From:               markom_at_ipexpert.com              Date:
> Wed, 2 Feb 2011 10:16:40 +0100
>               Subject: Re: No SOLUTION till DATE for this SCNERIO ????
> Challenging      
> 
>             MULTICAST TASK ?? Please help
> 
>               To:               s_asfar_at_hotmail.com              CC:
> bmcgahan_at_ine.com              ;               scott_ccie_list_at_it-ag.com
> ;            
> 
>     ccielab_at_groupstudy.com
> 
>               ;  
> 
>             narbikk_at_gmail.com
> 
>               Can you please post all the relevant configurations to the
> list so
>               we
>               can actually troubleshoot it? :-)
>               
>               --
>               Marko Milivojevic - CCIE #18427
>               Senior Technical Instructor - IPexpert
>               
>               FREE CCIE training:               http://bit.ly/vLecture
> 
>               Mailto:               markom_at_ipexpert.com
> Telephone: +1.810.326.1444
>               Web:               http://www.ipexpert.com/
>               On Wed, Feb 2, 2011 at 09:03, Asfer Shah
> <s_asfar_at_hotmail.com>              wrote:
> 
>                 Hello ,
>                 I have a Query to which no one have answered so far ??
>                 
>                 PE2-PE3 are in AS20 and are MP-iBGP neighbor to each other.
>                 CE1 and CE2 are two sites  connected to PE2 and PE3
> respectively
>                 talking
>                 through the MPLS VPN cloud.
>                 The multicast distribution trees are also configured and the
> Intra-
>                 AS
>                 multicast end-to-end is working smoothly fine  between
> CE1-CE2.
>                 
>                 I have the below topology in which I have a trouble.
> 
>                 INT---------PE1--------PE2-------PE3--------CE1
>                                   |              |
>                                   |              |
>                                  PE4         CE2
> 
>                 Now,I have PE1 in AS 10 which is gateway to the internet and
> is
>                 peering
> 
>             with 
> 
>                 PE2 for ipv4 (add-fam) only.
>                 I have PE4 in (AS30) which is peering with PE1 for both ipv4
> and
>                 vpnv4
>                 (add-families)
>                 PE4 is Multihop Mp-eBGP neighbor to both the PE2 and PE3.
>                 
>                 PE1 is advertising the internet (0.0.0.0 in vpnv4 add
> family) to
>                 PE4 and
> 
>             then 
> 
>                 PE4 is throwing it to PE2 and PE3
>                 After manipulating the Next-Hop , PE2 and PE3 do watch the
> internet         
> 
>             default
> 
>                 vpnv4 route 0.0.0.0 coming from PE1 and they do access the
> internet         
> 
>             easily.
> 
>                 At this point when I check back the multicast between CE1
> and
>                 CE2 , it
> 
>             will 
> 
>                 stop working and the traffic is dropped
>                 The momnet , I remove the 0.0.0.0 route adver in the vpnv4
> from
>                 PE1 , my
>                 multicast will run perfectly fine.
>                 
>                 There is PIM running between PE1 PE2 and PE4 but no solution
> to the           
> 
>             problem
> 
>                 till date !!
>                 Can you please help me in this special problem ???
> 
>                 Blogs and organic groups at
> http://www.ccie.net
> 
>  
> _______________________________________________________________________
> 
> 
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> 
>             <CE1.cfg><CE2.cfg><PE1.cfg><PE2.cfg><PE3.cfg><PE4.cfg><PE5.cfg>
> 
>             Blogs and organic groups at             http://www.ccie.net
> 
> 
>     _______________________________________________________________________
> 
> 
>             Subscription information may be found at:
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> 
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> 
>  
> _______________________________________________________________________
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> 
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>  
> _______________________________________________________________________
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>  
> _______________________________________________________________________
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> 
>     Blogs and organic groups at     http://www.ccie.net
>     _______________________________________________________________________
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> 
>   Blogs and organic groups at   http://www.ccie.net
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> 
> 
> Blogs and organic groups at http://www.ccie.net
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> _______________________________________________________________________
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> 
> 
> Blogs and organic groups at http://www.ccie.net
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Received on Sun Feb 06 2011 - 13:15:47 ART

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