From: Andy Hogard (andyhogard@gmail.com)
Date: Thu Dec 18 2008 - 14:37:51 ARST
Sir its in the GAP wb, BGP dampening lab. :)
On Thu, Dec 18, 2008 at 9:36 PM, Narbik Kocharians <narbikk@gmail.com>wrote:
> Could you please tell me which lab you are referencing, is it in the GAP or
> Soup-to-Nuts?
>
>
>
> On Thu, Dec 18, 2008 at 1:06 AM, Andy Hogard <andyhogard@gmail.com> wrote:
>
>> Hi again,
>>
>> Well now this is the question ya " All the existing and future prefixes,
>> from as 300 should have the following parameters applied: and then the
>> question goes on to specify certain dampening parameter values."
>>
>> In the solution a regexp of ^300$ is used to match the routes, this reg
>> exp
>> is used for routes that originate from 300 or have only 300 in the
>> as-path.
>> But if you read the question again its says that *"routes from as
>> 300"*which includes all the routes that pass from the as 300 as well,
>> yeah they
>> dont originate ya.. But then the question is not exclusively saying
>> anything
>> about it. As a result I would rather go with more generic reg exp of ^300_
>> ..init !?
>>
>> This to me looks like a proctor question, can Narbik Sir please answer
>> this
>> ..as he would be the best proctor for this lab he has set. :D
>>
>>
>> Btw, this is the routing table on R2 on which dampening has to be done,
>>
>> R2#sh ip bgp
>> BGP table version is 8, local router ID is 2.2.2.2
>> Status codes: s suppressed, d damped, h history, * valid, > best, i -
>> internal,
>> r RIB-failure, S Stale
>> Origin codes: i - IGP, e - EGP, ? - incomplete
>>
>> Network Next Hop Metric LocPrf Weight Path
>> *> 1.0.0.0 131.1.12.1 0 0 100 i
>> *> 2.0.0.0 0.0.0.0 0 32768 i
>> *> 3.0.0.0 131.1.23.3 0 0 300
>> i
>> *> 4.0.0.0 131.1.23.3 0
>> 300
>> 400 i
>> *> 5.0.0.0 131.1.23.3 0
>> 300
>> 400 500 i
>> *> 40.4.4.0/24 131.1.23.3 0 300
>> 400 i
>> *> 44.4.4.0/24 131.1.23.3 0 300
>> 400 i
>> R2#
>>
>>
>> Btw, I am kicking some butt hard as far as bgp dampening is concerned.
>>
>>
>> Regards,
>> Andy.
>>
>>
>>
>>
>> --
>> My Blog URL: http://ccieno.blogspot.com/
>>
>>
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>>
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>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining.com
> www.Net-Workbooks.com
> Sr. Technical Instructor
>
-- My Blog URL: http://ccieno.blogspot.com/Blogs and organic groups at http://www.ccie.net
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