Thursday, May 20, 2021

Do i need srr-queue and mls qos trust?

Hi there!

My users are about 90% wireless. On our access switches (configured by a 3rd party before my time), the trunk ports for WAPs (1gb) and uplinks (10gb) have the following configs added:

srr-queue bandwidth share 1 30 35 5

priority-queue out

mls qos trust cos

auto qos trust

Overall mls config:

mls qos map cos-dscp 0 8 16 24 32 46 48 56

mls qos srr-queue output cos-map queue 1 threshold 3 4 5

mls qos srr-queue output cos-map queue 2 threshold 1 2

mls qos srr-queue output cos-map queue 2 threshold 2 3

mls qos srr-queue output cos-map queue 2 threshold 3 6 7

mls qos srr-queue output cos-map queue 3 threshold 3 0

mls qos srr-queue output cos-map queue 4 threshold 3 1

mls qos srr-queue output dscp-map queue 1 threshold 3 32 33 40 41 42 43 44 45

mls qos srr-queue output dscp-map queue 1 threshold 3 46 47

mls qos srr-queue output dscp-map queue 2 threshold 1 16 17 18 19 20 21 22 23

mls qos srr-queue output dscp-map queue 2 threshold 1 26 27 28 29 30 31 34 35

mls qos srr-queue output dscp-map queue 2 threshold 1 36 37 38 39

mls qos srr-queue output dscp-map queue 2 threshold 2 24

mls qos srr-queue output dscp-map queue 2 threshold 3 48 49 50 51 52 53 54 55

mls qos srr-queue output dscp-map queue 2 threshold 3 56 57 58 59 60 61 62 63

mls qos srr-queue output dscp-map queue 3 threshold 3 0 1 2 3 4 5 6 7

mls qos srr-queue output dscp-map queue 4 threshold 1 8 9 11 13 15

mls qos srr-queue output dscp-map queue 4 threshold 2 10 12 14

mls qos queue-set output 1 threshold 1 100 100 50 200

mls qos queue-set output 1 threshold 2 125 125 100 400

mls qos queue-set output 1 threshold 3 100 100 100 400

mls qos queue-set output 1 threshold 4 60 150 50 200

mls qos queue-set output 1 buffers 15 25 40 20

mls qos

Should I remove this from our WAPs and uplinks as we've been experiencing ongoing slowness (speeds get pretty bad) with Wifi for quite sometime. Thoughts? Our routers are 3rd party managed and already have QOS in place for voice, as they host our voip.

FYI---I'm still learning all the ins and outs of srr-queue, so any help would be great!

cross posted



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