私の職場には、異なる周波数のWiFiが複数あります。頻繁に接続が切れてしまい、手動で再接続しなければなりません。それが再び起こったとき、私は確認しました
journalctl
次のような出力が得られました。
Nov 04 17:13:22 foo kernel: wlo1: Limiting TX power to 20 (20 - 0) dBm as advertised by 00:24:a8:98:08:40
Nov 04 17:13:22 foo NetworkManager[292]: <info> [1478276002.0335] device (wlo1): supplicant interface state: authenticating -> completed
Nov 04 17:13:22 foo wpa_supplicant[347]: wlo1: CTRL-EVENT-SUBNET-STATUS-UPDATE status=0
Nov 04 17:13:22 foo kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlo1: link becomes ready
Nov 04 17:13:22 foo kernel: wlo1: associated
Nov 04 17:13:22 foo kernel: wlo1: RX AssocResp from 00:24:a8:98:08:40 (capab=0x801 status=0 aid=6)
Nov 04 17:13:22 foo wpa_supplicant[347]: wlo1: CTRL-EVENT-CONNECTED - Connection to 00:24:a8:98:08:40 completed [id=0 id_str=]
Nov 04 17:13:22 foo wpa_supplicant[347]: wlo1: Associated with 00:24:a8:98:08:40
Nov 04 17:13:22 foo kernel: wlo1: associate with 00:24:a8:98:08:40 (try 1/3)
Nov 04 17:13:22 foo kernel: wlo1: authenticated
Nov 04 17:13:22 foo wpa_supplicant[347]: wlo1: Trying to associate with 00:24:a8:98:08:40 (SSID='BAR' freq=5180 MHz)
Nov 04 17:13:22 foo kernel: wlo1: send auth to 00:24:a8:98:08:40 (try 1/3)
Nov 04 17:13:22 foo NetworkManager[292]: <info> [1478276002.0224] device (wlo1): supplicant interface state: scanning -> authenticating
Nov 04 17:13:22 foo kernel: wlo1: authenticate with 00:24:a8:98:08:40
Nov 04 17:13:22 foo wpa_supplicant[347]: wlo1: SME: Trying to authenticate with 00:24:a8:98:08:40 (SSID='BAR' freq=5180 MHz)
Nov 04 17:13:21 foo NetworkManager[292]: <info> [1478276001.9020] device (wlo1): supplicant interface state: disconnected -> scanning
Nov 04 17:13:21 foo kernel: IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready
Nov 04 17:13:21 foo dhclient[10311]: receive_packet failed on wlo1: Network is down
Nov 04 17:13:21 foo NetworkManager[292]: <info> [1478276001.7420] device (wlo1): supplicant interface state: associating -> disconnected
Nov 04 17:13:21 foo wpa_supplicant[347]: wlo1: SME: Deauth request to the driver failed
Nov 04 17:13:21 foo wpa_supplicant[347]: wlo1: CTRL-EVENT-ASSOC-REJECT bssid=00:24:a8:a7:90:50 status_code=17
Nov 04 17:13:21 foo NetworkManager[292]: <info> [1478276001.7021] device (wlo1): supplicant interface state: authenticating -> associating
Nov 04 17:13:21 foo kernel: wlo1: 00:24:a8:a7:90:50 denied association (code=17)
Nov 04 17:13:21 foo kernel: wlo1: RX AssocResp from 00:24:a8:a7:90:50 (capab=0x421 status=17 aid=0)
Nov 04 17:13:21 foo kernel: wlo1: associate with 00:24:a8:a7:90:50 (try 1/3)
Nov 04 17:13:21 foo kernel: iwlwifi 0000:02:00.0 wlo1: disabling VHT as WMM/QoS is not supported by the AP
Nov 04 17:13:21 foo kernel: iwlwifi 0000:02:00.0 wlo1: disabling HT as WMM/QoS is not supported by the AP
Nov 04 17:13:21 foo kernel: wlo1: authenticated
Nov 04 17:13:21 foo wpa_supplicant[347]: wlo1: Trying to associate with 00:24:a8:a7:90:50 (SSID='BAR' freq=2412 MHz)
Nov 04 17:13:21 foo NetworkManager[292]: <info> [1478276001.6877] device (wlo1): supplicant interface state: completed -> authenticating
Nov 04 17:13:21 foo kernel: wlo1: send auth to 00:24:a8:a7:90:50 (try 1/3)
Nov 04 17:13:21 foo kernel: wlo1: authenticate with 00:24:a8:a7:90:50
Nov 04 17:13:21 foo kernel: wlo1: disconnect from AP 00:24:a8:98:08:40 for new auth to 00:24:a8:a7:90:50
Nov 04 17:13:21 foo wpa_supplicant[347]: wlo1: SME: Trying to authenticate with 00:24:a8:a7:90:50 (SSID='BAR' freq=2412 MHz)
興味深いのは、周波数が変わることです。これは問題になるでしょうか? どうすれば修正できますか?
私はnmcliWi-Fi に接続するために使用しています。SSID を指定して Wi-Fi に接続できます。特定のチャネルで Wi-Fi に接続して、再接続したときに同じ SSID だけでなく同じ周波数の Wi-Fi に再接続することはできますか?
編集：私はそこにかもしれない同じ Wi-Fi を使用する人の数の変化と、接続が切断されることとの相関関係があると考えられます。言い換えると、人々がラップトップを持ってくると、接続が切断される可能性が高くなると思います。人々が動かなければ、私の接続は比較的安定しています。これは理にかなっていますか?