You are mistaken. Its not changing the threshold.

The first line means that cos 5 will be assigned to q1 upto its third threshold.
The 3750 command reference is a better book if you want to ubderstand the 
parameters

Sent from my phone

On Jun 29, 2010, at 18:52, Erwan Erwan <e_er...@yahoo.com> wrote:

> hi all,
>  
> I am reading the 3750 QoS   , and confuse with the threshold in output queue.
>  
> When I run
>  
> int f0/4
>   auto-Qos cisco-phone
> !
>  
>  it generete following :
>  
>     
> mls qos srr-queue output cos-map queue 1 threshold 3  5
> mls qos srr-queue output cos-map queue 2 threshold 3  3 6 7
> mls qos srr-queue output cos-map queue 3 threshold 3  2 4
> mls qos srr-queue output cos-map queue 4 threshold 2  1
> mls qos srr-queue output cos-map queue 4 threshold 3  0
>  
> which is threshold 3, but in sRND they said , threshold 3 is 100% by default 
> and it cannot be changed 
>  
> 1. Why it give us threshold 3 , if not supposed  to be change ?
> 2. What we should you use,  between threshold 1 and 2 , and 3  (as they have 
> 3 threshold) ?
>  
> Tks
>  
>  
>  
> 
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