Looks good as farvas i can tell.
Normally you would also enabl priority-queue on the interface

Sent from my phone

On Jun 8, 2010, at 8:20 PM, jammer jones <jammerjone...@gmail.com> wrote:

Trying to understand this a little better. Cisco's documentation is not written in very clear english. Very frustrating trying to understand the threshold values as well as the shape versus share bandwidth values.



QOS.
Cos 5 for queue 1
queue 2
queue 3
queue 4 0
similar to lab 2 .
Queue one has the 25% of the bandwidth. other bandwidth is shared as 30 40 30.
If the queue 2 is saturated by 60% then the cos 4 has to be dropped.

Here is what I think it is. Can someone please correct me if i am wrong and provide any positive feedback.


!
mls qos srr-queue output cos-map queue 2 threshold 2 4 !maps cos 4 to queue 2 and threshold 2 mls qos srr-queue output cos-map queue 4 threshold 1 0 !maps cos 0 to queue 4 mls qos queue-set output 1 threshold 2 40 60 100 200 ! when queue 2 threshold 2 exceeds 60% cos packets with cos 4 will be dropped
mls qos
!
!

interface GigabitEthernet1/0/1
 description Office_912_lab_a
 switchport access vlan 48
 switchport mode access
 switchport voice vlan 51
srr-queue bandwidth share 1 30 40 30 ! sets queues 2 - 4 to 30 40 30 srr-queue bandwidth shape 4 0 0 0 ! sets queue 1 to 25% of the link
 mls qos trust cos
 spanning-tree portfast
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