2022. 1. 7. 01:43ㆍLinux/Raspberry Pi
Raspberry Pi 3 b+ 전원 연결 후 장시간 미사용시 wifi 끊김 문제
$sudo iwconfig wlan0
wlan0 IEEE 802.11 ESSID:"SSID"
Mode:Managed Frequency:2.462 GHz Access Point: xx:xx:xx:xx:xx
Bit Rate=65 Mb/s Tx-Power=31 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=57/70 Signal level=-53 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
$sudo iwconfig wlan0 power off
wlan0 IEEE 802.11 ESSID:"SSID"
Mode:Managed Frequency:2.462 GHz Access Point: xx:xx:xx:xx:xx
Bit Rate=65 Mb/s Tx-Power=31 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=57/70 Signal level=-53 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
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