QoS Question

Unanswered Question

I'm reading the cisco document on QoS again and I'm having a hard time understanding this line (regarding WFQ with IP precedence):


However, if you have 18 precedence-1 flow and 1 of each of the others-the formula looks like this:


1 + 1 8 ¥ 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36 - 2 + 18 ¥ 2 = 70


The flows will get 8/70, 7/70, 6/70, 5/70, 4/70, 3/70, 2/70, and 1/70 of the link, and 18 of the flows will each get approximately 2/70 of the link.


I don't understand the formula...what does the ¥ symbol mean?

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Joseph W. Doherty Wed, 03/26/2008 - 13:46
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Might be a display character problem. For instance, from http://www.cisco.com/en/US/docs/ios/12_0/qos/configuration/guide/qcconman.html I see:


However, if you have 18 precedence 1 flows and one of each of the rest, the total is now:


1+2(18)+3+4+5+6+7+8=70


Precedence 0 traffic will get 1/70, each of the precedence 1 flows will get 2/70, and so on.



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