weighted tail drop

Discussion in 'Cisco' started by scott, Feb 3, 2007.

  1. scott

    scott Guest

    I've been studying and trying to understand below config but i am
    going nowhere with this. if someone can give me a lead on this would really
    appreciated.



    i understand about the assigning buffer part but i can't picture drop
    threshold in my head. This is what AutoQos generated. I am using
    Cisco 3560 SMI. Switch.

    Threshold 1 and 2: 138 138 --- how did you determine this number?
    Reserved buffer: 92 where did you get this number and how do you
    determine this number?
    Max buffer 138 ---- how do you determine this number?

    why would you choose 138. In the book says 400 percent is the max. It just
    is very confusing.

    mls qos queue-set output 1 threshold 1 138 138 92 138

    mls qos queue-set output 1 threshold 2 138 138 92 400
    mls qos queue-set output 1 threshold 3 36 77 100 318
    mls qos queue-set output 1 threshold 4 20 50 67 400

    mls qos queue-set output 2 threshold 1 149 149 100 149
    mls qos queue-set output 2 threshold 2 118 118 100 235
    mls qos queue-set output 2 threshold 3 41 68 100 272
    mls qos queue-set output 2 threshold 4 42 72 100 242

    mls qos queue-set output 1 buffers 10 10 26 54
    mls qos queue-set output 2 buffers 16 6 17 61
     
    scott, Feb 3, 2007
    #1
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