(Aruba) (config) #show ap spectrum channel-summary ap-name AP3 Channel Summary Table --------------------- Channel ValidAPs NotValidAPs Util(%) Noise Floor(dBm) MaxAPSignal(dBm) MaxInterference(dBm) SNIR(dB) ------- -------- ----------- ------- ---------------- ---------------- -------------------- -------- 1 20 1 75 -97 -55 - 42 2 20 1 47 -95 -84 - 11 3 20 7 19 -94 - - 0 4 20 7 19 -94 - - 0 5 0 7 20 -95 - - 0 6 0 7 22 -97 -44 - 53 7 0 7 19 -95 - - 0 8 15 7 14 -94 - - 0 9 15 7 12 -94 - - 0 10 15 1 41 -94 -64 - 30 11 15 1 70 -95 -56 - 39 12 15 1 39 -96 - - 0 13 15 1 9 -97 - - 0 14 0 0 76 -94 - - 0 SNIR:Signal to Noise + Interference Ratio Channel Metrics Table --------------------- Channel Quality(%) Noise Floor Availability(%) Utilization(%) WiFi Util(%) Interference Util(%) ------- ---------- ----------- --------------- -------------- ------------ -------------------- 1 69 95 26 74 43 31 <-- channel quality on 1 and 11 is poor and availability is only 26%+ 2 76 96 55 45 22 23 3 84 97 84 16 0 16 4 80 95 72 28 8 20 5 72 95 48 52 24 28 6 68 95 36 64 32 32 7 74 94 50 50 25 25 8 88 93 78 22 11 11 9 95 94 91 9 4 5 10 85 95 67 33 18 15 11 75 97 42 58 33 25 12 82 97 66 34 17 17 13 90 97 89 11 1 10 14 64 94 18 82 46 36 Even non-wifi interfernce is seen. Microwave 1 2450000 92000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -68 50 2015-08-20 13:46:20 2015-08-20 13:48:23 Microwave 2 2450000 92000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -67 50 2015-08-20 13:48:30 2015-08-20 13:49:38 Microwave 3 2450000 92000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -65 50 2015-08-20 13:59:41 2015-08-20 14:01:04 Channel busyness observed on the channel where APs are in. Aruba) # show ap remote debug ? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?debug radio-stats ap-name AP2 ? ? |? ?radio 0 ? ?? ?1 advanced | include usy Channel Busy 1s 67 Channel Busy 4s 66 Channel Busy 64s 74 Ch Busy perct @ beacon intvl 67 67 67 67 67 67 67 67 67 67 65 65 65 65 65 65 65 65 65 65 61 61 61 61 61 61 61 61 61 61 (Aruba) # show ap debug radio-stats ap-name AP2 radio 1 advanced | include usy?????????????????????????????????P2? radio 1 advanced | include usy ????????????????????????????????3 radio 1 advanced | include usy??????????????????????????????? Channel Busy 1s 69 Channel Busy 4s 78 Channel Busy 64s 80 Ch Busy perct @ beacon intvl 69 69 69 69 69 69 69 69 69 69 91 91 91 91 91 91 91 91 91 91 85 85 85 85 85 85 85 85 85 85 (Aruba) # show ap debug radio-stats AP3 radio 1 advanced | include usy?3? radio 1 advanced | include usy Channel Busy 1s 87 Channel Busy 4s 77 Channel Busy 64s 62 Ch Busy perct @ beacon intvl 87 87 87 87 87 87 87 87 87 87 90 90 90 90 90 90 90 90 90 90 86 86 86 86 86 86 86 86 86 86 (Aruba) # show ap debug radio-stats ap-name AP1 radio 1 advanced | include usy Channel Busy 1s 93 Channel Busy 4s 94 Channel Busy 64s 74 Ch Busy perct @ beacon intvl 93 93 93 93 93 93 93 93 93 93 95 95 95 95 95 95 95 95 95 95 94 94 94 94 94 94 94 94 94 94 (Aruba) #sho? ?? ?? ? show ap debug radio-stats AP4 radio 1 advanced | include usy, Channel Busy 1s 84 Channel Busy 4s 90 Channel Busy 64s 74 Ch Busy perct @ beacon intvl 84 84 84 84 84 84 84 84 84 84 83 83 83 83 83 83 83 83 83 83 91 91 91 91 91 91 91 91 91 91 (Aruba) # show ap debug radio-stats ap-name AP4 radio 1 advanced | include "usy, Channel Busy 1s 64 Channel Busy 4s 60 Channel Busy 64s 74 Ch Busy perct @ beacon intvl 64 64 64 64 64 64 64 64 64 64 68 68 68 68 68 68 68 68 68 68 54 54 54 54 54 54 54 54 54 54