We have a rather interesting issue occurring with our wireless network here. I will provide some background on the setup. We have a 100MB WAN link ---> Cisco 3825 ---> HP 1400 Procurve Switch ---> 4 Unifi AP Pro's. From these AP's we have 2 SSID's being broadcast, HIP and HIP-GUEST both on 2.4 and 5Ghz. The AP's are placed around a large office in a square shape with the channels set to 1, 6, 11, 6 respectively and support on average 100 clients of varying make and model. Each AP has on average 20 - 30 clients connected and each client is capped at a max 2Mpbs. The Utilisation on the router port is only around 20% most of the time.
We are seeing some rather interesting statistics on our monitoring software where the OutDIscard percent of each virtual interface is extreamly high, in excess of 80% most of the time for all AP's and the physical WiFi interfaces report a high number of In and Out packet errors. Does anyone have any insight as to what might cause this? We have changed out the switch, played around with RSSI and even tried lowering the TX power of the AP's to match the weakest device but all these didn't seem to have much of an effect.
I have attached some files to give a better understanding of what is going on. We are in a very congested area for Wifi, roughly 600 neighbouring SSID's as reported by the Unifi management software.
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