From: Petr Lapukhov (petr@internetworkexpert.com)
Date: Fri Sep 22 2006 - 09:58:26 ART
Blame me in NDA breaking, but I ran into similar situation with my lab.
I asked the proctor: "Do I need to provide transit BGP connectivity via
BGP->IGP
redistribution?". (I didn't draw real arrow in the air, actually)
"No you don't. You only need to do that if your task _specifically_ asks you
to provide
transit connectivity... Just do what you are asked to do"
Anyway, ask your proctor. Maybe they get a different opinion nowdays ;)
HTH
2006/9/22, Arun Arumuganainar <aarumuga@hotmail.com>:
>
> Hi Group ,
>
> And I just wanted to get a couple of quick clarification. I would be glad
> if
> you can help me with this questions.
>
> 1) I ofter come across a situation where in a BGP is configured
> across non
> BGP routers . A scenario like this
>
> R1---------R2--------R3------BackBONE
>
> Here ibgp is configured between R1 and R3 and R3 is connected to Backbone
> via
> eBGP. R2 is a non BGP router .
>
> This is will result in black holing of BGP traffic at R2 . What is the
> best
> way of handling the situation . Actually I am thinking of two solution .
>
> a) PBR on R2's Interface to R1 ==> Match bgp networks and set ip next hop
> R3
>
> b) Redistribute BGP in to IGP ( probably a summary )
>
>
> Are my approaches right !!! I have seen a RULES in first sheet which says
> do
> not use PBR unless other wise it is specified . Also Redistributing bgp in
> to
> IGP is not recommended by Standard Network design practice . What would
> you
> recommend for me ( are there any other ways to avoid this Black Hole )
>
> 2) Is creation of Tunnel interface without addition of a new IP address
> is
> allowed in LAB . I saw a question in Check IT lab where in ODR needs to
> configured over routers that are connected across a CAT switch . I also
> happened to see this in many of my practice Multicast labs . But not sure
> if
> creation of tunnel interface is legal from CCIE LAB Perspective ??? Any
> comments...
>
> 3) With out violating NDA , can you pls tell me ...Whether the Goals and
> Restrictions Section in the commercially available and popular mock labs
> such
> as CHECKIT LABs contains all the restrictions that would be specified in
> the
> LABs !!!
>
> Pls. Note : You can ignore this question if you feel this will violate NDA
> .
> But essentially I wanted get my self familiarized with LAB environment ...
> Here My goal is to avoid spending much time in reading these general
> guidelines rather than the actual questions provided in the LAB Question
> Paper
> .
>
> I would greatly appreciate your earliest response .
>
> Thanks and Regards
> Arun
>
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-- Petr Lapukhov, CCIE #16379 petr@internetworkexpert.comInternetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Outside US: 775-826-4344
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