I am re-designing the QoS in an Enterprise network, which currently uses SRND4 Auto QoS for buffer/threshold/queues and queue-set configurations. However, this does not seem to be much useful for this kind of network, where we got only two types of traffic - Data and VoIP.
SRND4 QoS though configures buffers and thresholds like that:
So basically I am only interested for traffic in Q1 (cos 5) and Q4T3 (cos 0). At the moment, there are some buffers "wasted" for Q2 & Q3, which I'd like to re-locate to Q4 instead. I was thinking for something like that:
!And then, on per-interface basis, to have this one:
srr-queue bandwidth share 10 5 5 100
Which should look like that:
Q1 - 10 buffers (each 256 bytes) with 400% borrowing from the common pool. Priority queue, 100% guaranteed. Weights for this queue are 10/(10+5+5+100) = 0.083% (which should be more than enough for user ports and single phone attached to it)
Q2 & Q3 - 5 buffers, 50% guaranteed. Weights are 0.04% for each queue.
Q4 - 80 buffers, maximum usage of common pool (3200) with weights 0.83%
What is your opinion about that? How does it look and do you reckon it's a good "design"?
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