Re: OER/PfR Apply Policy Phase - relative loss question

From: Andy Reid <ccie_at_reid.it>
Date: Mon, 05 Apr 2010 00:52:16 +0800

Thanks Anthony,

Yes, I checked and found it is out of 1000, not 100 :)
So 3% of 1000 is 30.

Any chance of looking at my other OER question? where I am trying out
some of the new functionality of 12.4.15T and 12.4.20.T.

Best regards Andy

Anthony Sequeira wrote:
> Hello my friend!
>
> There is indeed a typo in the answer key for this task, and we will update this in the next upload of Volume 1.
>
> Be careful, however, as your suggested solution would also be marked incorrectly. The correct syntax is:
> oer master
> loss relative 30
>
> If you are wondering why, be sure you can find this command in the appropriate Command Reference in about 20 seconds. :-)
>
> Warmest Regards,
>
> Anthony J. Sequeira, CCIE #15626
> http://www.INE.com
>
> Nine Top Instructors that Educate and Inspire - Priceless!
> Q: What command in EIGRP allows you to specify that other routes should be marked as feasible?
> A: variance
> More Info: http://supportwiki.cisco.com/ViewWiki/index.php/How_to_configure_EIGRP_variance_to_load_balance_traffic_across_unequal_cost_links
>
>
> On Apr 3, 2010, at 1:45 AM, Andy Reid wrote:
>
>
>> Hi All,
>>
>> I have a question regarding relative loss in the context of OER/PfR.
>> Specifically how the performance policy calculate relative loss.
>>
>> http://www.cisco.com/en/US/docs/ios/oer/configuration/guide/oer-cfg_ap_polcy_ps6441_TSD_Products_Configuration_Guide_Chapter.html#wp1054043
>>
>> Cisco state that "The *relative* keyword is used to configure a relative
>> delay percentage. The relative delay percentage is based on a comparison
>> of short-term and long-term measurements."
>> Therefore if I was to ensure that any acceptable exit point should have
>> a relative loss of no higher than 3% then I could enter the following
>> configuration:
>> oer master
>> loss relative 3
>> end
>>
>> However, OER question 3.17 from INE Lab Workbook Volume 1 for CCIEv4.0
>> has the answer as "loss relative 25".
>> Am I missing something, or it is a typo?
>>
>> Many thanks, Andy
>>
>>
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>>
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Received on Mon Apr 05 2010 - 00:52:16 ART

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