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Aruba Instant - IAP 215 - High utilization with very little use.

Hi there,

 

We have six access points that always seem to have high utilization (some APs sit at 89% with only 12 connected clients), we are in a large building with a number of interfering neighboring APs.

 

We experience low download speeds across the WiFi (around 75% lower than ethernet connectivity), and I was wondering if it's because of the interference or maybe a few settings can be changed on the controller? 

 

I can divulge various AP controller settings if needed. 

 

Cheers

 

Regular Contributor I

Re: Aruba Instant - IAP 215 - High utilization with very little use.

So is the high utilization with the IAP 215?

Just to get a clearer idea,

Are the six APs configured as APs or Instant Access Points?

If APs(usually managed by a Mobility controller) which controller are you using and what is the image version?

If IAPs what Instant OS version are you using?

Are all the six devices facing the same issue or is it just one?

Ajay Kumar Ravipati
ACMA (V8) | ACMP (V8) | CCENT | CCNA (R&S) | PAN-OS 8.0 ACE
New Contributor

Re: Aruba Instant - IAP 215 - High utilization with very little use.

Hi Ajay 

 

Thanks for the reply!

 

Thought it might be useful to chuck the configuration down to see if anything stands out as a 'no no'.

 

version 6.4.2.0-4.1.1


arm
wide-bands 5ghz
80mhz-support
min-tx-power 18
max-tx-power 127
band-steering-mode prefer-5ghz
air-time-fairness-mode fair-access
client-aware
scanning
client-match
client-match calc-threshold 20
client-match slb-mode 2

 

rf dot11g-radio-profile
interference-immunity 3

rf dot11a-radio-profile
interference-immunity 3

 

 

wlan ssid-profile Main_Wifi
enable
index 0
type employee
essid Main_Wifi
opmode wpa2-psk-aes
max-authentication-failures 5
auth-server InternalServer
rf-band all
captive-portal disable
dtim-period 1
inactivity-timeout 1000
broadcast-filter arp
blacklist
dmo-channel-utilization-threshold 90
local-probe-req-thresh 0

 

 

All APs face the same issue, throughout the day they hit 85%+ utilisation across both 2.5 and 5. 

 

We have 200 devices across these APs :)

Regular Contributor I

Re: Aruba Instant - IAP 215 - High utilization with very little use.

I see 80 MHz support is enabled and the airtime fairness mode is fair access.

This usually means bandwidth is shared equally between all users irrespective of the requests they make or the order in which the requests are made.

Is the 80MHz support necessary for your network and users?

If it's not absolutely necessary, try disabling it during downtime if it's a production network.

Ajay Kumar Ravipati
ACMA (V8) | ACMP (V8) | CCENT | CCNA (R&S) | PAN-OS 8.0 ACE
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