Re: WRED, ip precedence and drop probability, thresholds.

YES, these are the default values that the IOS will assign, now.....can we
change them? YES, how do we come up with these values and is there a
formula for this? Not that i know.

On Wed, Jan 25, 2012 at 9:39 AM, Hasse <eriksson.hans_at_gmail.com> wrote:

> Can you calculate those values, or do you need to just now them?
>
> 0 and def minimum threshold 20,
> 1 and def minimum threshold 22,
> 2 and def minimum threshold 24,
> 3 and def minimum threshold 26,
> 4 and def minimum threshold 28,
> 5 and def minimum threshold 31,
> 6 and def minimum threshold 33,
> 7 and def minimum threshold 35,
> rsvp 37
>
> - I did enable random-detect on fas 0/0
>
> R2#show run int fas 0/0
> Building configuration...
>
> Current configuration : 110 bytes
> !
> interface FastEthernet0/0
> ip address 10.1.12.2 255.255.255.0
> duplex auto
> speed auto
> random-detect
> end
>
> - verify the queue on fas 0/0
>
> R2#show queueing int fas 0/0
> Interface FastEthernet0/0 queueing strategy: random early detection (WRED)
> Random-detect not active on the dialer
> Exp-weight-constant: 9 (1/512)
> Mean queue depth: 0
>
> class Random drop Tail drop Minimum Maximum Mark
> pkts/bytes pkts/bytes thresh thresh prob
> 0 0/0 0/0 20 40 1/10
> 1 0/0 0/0 22 40 1/10
> 2 0/0 0/0 24 40 1/10
> 3 0/0 0/0 26 40 1/10
> 4 0/0 0/0 28 40 1/10
> 5 0/0 0/0 31 40 1/10
> 6 0/0 0/0 33 40 1/10
> 7 0/0 0/0 35 40 1/10
> rsvp 0/0 0/0 37 40 1/10
>
>
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