Existe outra questão semelhante a esta. Parece que isso é por causa dos recursos do driver
Estou tentando descobrir o nível de ruído , e os comandos abaixo devem mostrar as informações nas linhas Quality , mas de alguma forma isso não aparece. Alguma idéia?
iwlist scan
wlp3s0 Scan completed :
Cell 01 - Address: 30:B5:C2:B4:F2:A8
Channel:11
Frequency:2.462 GHz (Channel 11)
---> Quality=70/70 Signal level=-40 dBm
Encryption key:on
ESSID:"Ariel"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000000000000
Extra: Last beacon: 499772ms ago
IE: Unknown: 0005417269656C
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 2A0100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD0103FFFF000000000000000000000000000000000000000000
IE: Unknown: 331AAD0103FFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B071700000000000000000000000000000000000000
IE: Unknown: 34160B071700000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD9B0050F204104A0001101044000102103B000103104700100001020304050607080930B5C2B4F2A91021000754502D4C494E4B1023000A544C2D5744523433303010240003312E3010420003312E301054000800060050F20400011011001A576972656C65737320526F7574657220544C2D57445234333030100800020086103C000101104900140024E26002000101600000020001600100020001
sudo iwconfig wlp3s0
wlp3s0 IEEE 802.11abg ESSID:"Ariel"
Mode:Managed Frequency:2.462 GHz Access Point: 30:B5:C2:B4:F2:A8
Bit Rate=144 Mb/s Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
---> Link Quality=70/70 Signal level=-40 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0