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#1 Le 28/03/2025, à 07:21

banach

[RESOLU] SSID invisible, impossible de me connecter à mon réseau Wifi

EDIT : un simple redémarrage de la Livebox a suffi à résoudre le problème, désolé pour le bruit, merci !

Bonjour,
Depuis quelques jours je ne parviens plus à me connecter à mon réseau wifi domestique : mon PC sous Ubuntu 24.04.2 ne voit plus le SSID de ma Livebox et refuse une connexion manuelle. Je parviens à me connecter sans problème en point d'accès mobile sur mon Pixel 4a.
Infos recueillies par wificheck :

>>    lsb_release -a

Distributor ID:	Ubuntu
Description:	Ubuntu 24.04.2 LTS
Release:	24.04
Codename:	noble

>>    lsusb 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 04f2:b64a Chicony Electronics Co., Ltd USB2.0 VGA UVC WebCam
Bus 001 Device 004: ID 13d3:3490 IMC Networks 
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

>>    lspci -k -nn | grep -A 3 -i net 

02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
	Subsystem: AzureWave QCA9565 / AR9565 Wireless Network Adapter [1a3b:218d]
	Kernel driver in use: ath9k
	Kernel modules: ath9k

>>    sudo lshw -C network 

  *-network
       description: Interface réseau sans fil
       produit: QCA9565 / AR9565 Wireless Network Adapter
       fabricant: Qualcomm Atheros
       identifiant matériel: 0
       information bus: pci@0000:02:00.0
       nom logique: wlp2s0
       version: 01
       numéro de série: d0:c5:d3:16:c9:8d
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration : broadcast=yes driver=ath9k driverversion=6.8.0-55-generic firmware=N/A ip=192.168.240.212 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       ressources : irq:17 mémoire:ef000000-ef07ffff mémoire:ef080000-ef08ffff

>>    lsmod | sort 

8250_dw                20480  0
ac97_bus               12288  1 snd_soc_core
acpi_pad              184320  0
acpi_thermal_rel       20480  1 int3400_thermal
aesni_intel           356352  8
af_alg                 32768  6 algif_hash,algif_skcipher
ahci                   49152  1
algif_hash             12288  1
algif_skcipher         16384  1
asus_nb_wmi            32768  0
asus_wireless          16384  0
asus_wmi               86016  2 asus_nb_wmi,mfd_aaeon
ath3k                  20480  0
ath                    40960  3 ath9k_common,ath9k,ath9k_hw
ath9k                 253952  0
ath9k_common           45056  1 ath9k
ath9k_hw              663552  2 ath9k_common,ath9k
autofs4                57344  2
binfmt_misc            24576  1
bluetooth            1028096  35 btrtl,btmtk,btintel,btbcm,bnep,ath3k,btusb,rfcomm
bnep                   32768  2
btbcm                  24576  1 btusb
btintel                57344  1 btusb
btmtk                  12288  1 btusb
btrtl                  32768  1 btusb
btusb                  77824  0
ccm                    20480  6
cec                    94208  2 drm_display_helper,i915
cfg80211             1327104  4 ath9k_common,ath9k,ath,mac80211
cmac                   12288  3
coretemp               24576  0
cqhci                  40960  1 sdhci_pci
crc32_pclmul           12288  0
crct10dif_pclmul       12288  1
cryptd                 24576  3 crypto_simd,ghash_clmulni_intel
crypto_simd            16384  1 aesni_intel
dmi_sysfs              24576  0
drm_buddy              20480  1 i915
drm_display_helper    237568  1 i915
ecc                    45056  1 ecdh_generic
ecdh_generic           16384  2 bluetooth
ee1004                 16384  0
efi_pstore             12288  0
ghash_clmulni_intel    16384  0
hid                   180224  3 i2c_hid,hid_multitouch,hid_generic
hid_generic            12288  0
hid_multitouch         36864  0
i2c_algo_bit           16384  1 i915
i2c_hid                40960  1 i2c_hid_acpi
i2c_hid_acpi           12288  0
i2c_i801               36864  0
i2c_smbus              16384  1 i2c_i801
i915                 4280320  51
idma64                 20480  0
input_leds             12288  0
int3400_thermal        24576  0
int3403_thermal        16384  0
int340x_thermal_zone    16384  2 int3403_thermal,processor_thermal_device
intel_cstate           24576  0
intel_lpss             12288  1 intel_lpss_pci
intel_lpss_pci         24576  0
intel_pch_thermal      20480  0
intel_pmc_core        118784  0
intel_powerclamp       24576  0
intel_rapl_common      40960  2 intel_rapl_msr,processor_thermal_rapl
intel_rapl_msr         20480  0
intel_soc_dts_iosf     20480  1 processor_thermal_device_pci_legacy
intel_tcc_cooling      12288  0
intel_uncore_frequency    16384  0
intel_uncore_frequency_common    16384  1 intel_uncore_frequency
intel_vsec             20480  1 intel_pmc_core
intel_xhci_usb_role_switch    12288  0
ip_tables              32768  0
irqbypass              12288  1 kvm
joydev                 32768  0
kvm                  1404928  1 kvm_intel
kvm_intel             487424  0
ledtrig_audio          12288  1 asus_wmi
libahci                53248  1 ahci
libarc4                12288  1 mac80211
lp                     28672  0
mac80211             1720320  1 ath9k
mac_hid                12288  0
mc                     81920  4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei                   172032  5 mei_hdcp,mei_pxp,mei_me
mei_hdcp               28672  0
mei_me                 53248  2
mei_pxp                16384  0
mfd_aaeon              12288  0
Module                  Size  Used by
msr                    12288  0
nfnetlink              20480  1
parport                73728  3 parport_pc,lp,ppdev
parport_pc             53248  0
platform_profile       12288  1 asus_wmi
pmt_class              12288  1 pmt_telemetry
pmt_telemetry          16384  1 intel_pmc_core
polyval_clmulni        12288  0
polyval_generic        12288  1 polyval_clmulni
ppdev                  24576  0
processor_thermal_device    20480  1 processor_thermal_device_pci_legacy
processor_thermal_device_pci_legacy    12288  0
processor_thermal_mbox    12288  4 processor_thermal_power_floor,processor_thermal_wt_req,processor_thermal_rfim,processor_thermal_wt_hint
processor_thermal_power_floor    12288  1 processor_thermal_device
processor_thermal_rapl    16384  1 processor_thermal_device
processor_thermal_rfim    32768  1 processor_thermal_device
processor_thermal_wt_hint    16384  1 processor_thermal_device
processor_thermal_wt_req    12288  1 processor_thermal_device
qrtr                   53248  2
rapl                   20480  0
rc_core                73728  1 cec
rfcomm                 98304  4
sch_fq_codel           24576  1
sdhci                  90112  1 sdhci_pci
sdhci_pci              90112  0
serio_raw              20480  0
sha1_ssse3             32768  0
sha256_ssse3           32768  0
snd                   143360  18 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_sof,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress           28672  2 snd_soc_avs,snd_soc_core
snd_hda_codec         204800  9 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_hda_codec_generic   122880  1 snd_hda_codec_realtek
snd_hda_codec_hdmi     94208  1
snd_hda_codec_realtek   200704  1
snd_hda_core          139264  12 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl,snd_sof_intel_hda
snd_hda_ext_core       32768  7 snd_soc_avs,snd_soc_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda_mlink,snd_soc_skl,snd_sof_intel_hda
snd_hda_intel          61440  1
snd_hrtimer            12288  1
snd_hwdep              20480  1 snd_hda_codec
snd_intel_dspcfg       36864  5 snd_soc_avs,snd_hda_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_skl
snd_intel_sdw_acpi     16384  2 snd_sof_intel_hda_common,snd_intel_dspcfg
snd_pcm               192512  13 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_soc_core,snd_sof_utils,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine      16384  1 snd_soc_core
snd_rawmidi            57344  1 snd_seq_midi
snd_seq               118784  9 snd_seq_midi,snd_seq_midi_event,snd_seq_dummy
snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_dummy          12288  0
snd_seq_midi           24576  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_soc_acpi           16384  3 snd_soc_acpi_intel_match,snd_sof_intel_hda_common,snd_soc_skl
snd_soc_acpi_intel_match    98304  3 snd_sof_intel_hda_common,snd_soc_skl,snd_sof_pci_intel_skl
snd_soc_avs           188416  0
snd_soc_core          438272  7 snd_soc_avs,snd_soc_hda_codec,soundwire_intel,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_soc_skl
snd_soc_hdac_hda       24576  2 snd_sof_intel_hda_common,snd_soc_skl
snd_soc_hda_codec      24576  1 snd_soc_avs
snd_soc_skl           208896  0
snd_soc_sst_dsp        36864  1 snd_soc_skl
snd_soc_sst_ipc        20480  1 snd_soc_skl
snd_sof               380928  3 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_hda
snd_sof_intel_hda      24576  1 snd_sof_intel_hda_common
snd_sof_intel_hda_common   217088  1 snd_sof_pci_intel_skl
snd_sof_intel_hda_mlink    45056  2 soundwire_intel,snd_sof_intel_hda_common
snd_sof_pci            24576  2 snd_sof_intel_hda_common,snd_sof_pci_intel_skl
snd_sof_pci_intel_skl    12288  0
snd_sof_utils          16384  1 snd_sof
snd_sof_xtensa_dsp     12288  1 snd_sof_intel_hda_common
snd_timer              49152  3 snd_seq,snd_hrtimer,snd_pcm
soundcore              16384  1 snd
soundwire_bus         110592  3 soundwire_intel,soundwire_generic_allocation,soundwire_cadence
soundwire_cadence      40960  1 soundwire_intel
soundwire_generic_allocation    12288  1 soundwire_intel
soundwire_intel        73728  1 snd_sof_intel_hda_common
sparse_keymap          12288  1 asus_wmi
ttm                   110592  1 i915
uvc                    12288  1 uvcvideo
uvcvideo              139264  0
video                  77824  3 asus_wmi,asus_nb_wmi,i915
videobuf2_common       81920  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         36864  1 uvcvideo
videobuf2_vmalloc      20480  1 uvcvideo
videodev              352256  2 videobuf2_v4l2,uvcvideo
wmi                    28672  4 video,asus_wmi,wmi_bmof,mfd_aaeon
wmi_bmof               12288  0
x86_pkg_temp_thermal    20480  0
xhci_pci               24576  0
xhci_pci_renesas       20480  1 xhci_pci
x_tables               65536  1 ip_tables

>>    bootctl
>>    iwconfig 

wlp2s0    IEEE 802.11  ESSID:"Pixel_7267"  
          Mode:Managed  Frequency:2.457 GHz  Access Point: 06:2D:F6:BA:52:98   
          Bit Rate=72.2 Mb/s   Tx-Power=14 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=54/70  Signal level=-56 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:8541   Missed beacon:0


>>    ip a 

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: wlp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether d0:c5:d3:16:c9:8d brd ff:ff:ff:ff:ff:ff
    inet 192.168.240.212/24 brd 192.168.240.255 scope global dynamic noprefixroute wlp2s0
       valid_lft 1942sec preferred_lft 1942sec
    inet6 fe80::9826:7f7f:c62c:d5ff/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever

>>    sudo iwlist scan 

wlp2s0    Scan completed :
          Cell 01 - Address: 06:2D:F6:BA:52:98
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=53/70  Signal level=-57 dBm  
                    Encryption key:on
                    ESSID:"Pixel_7267"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
                              36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000003f47490d4e
                    Extra: Last beacon: 42ms ago
                    IE: Unknown: 000A506978656C5F37323637
                    IE: Unknown: 010482848B96
                    IE: Unknown: 03010A
                    IE: Unknown: 3B1151515354737475767778797A7B7D7E7F80
                    IE: Unknown: 2A0100
                    IE: Unknown: 32080C1218243048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1AAD0113FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160A000400000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101810003A4000027A4000042435E0062322F00
                    IE: Unknown: BF0C92F18033FAFF0C03FAFF0C03
                    IE: Unknown: C005000000FAFF
                    IE: Unknown: 7F080400008200000040
                    IE: Unknown: 6B0102
                    IE: Unknown: 6C027F00
          Cell 02 - Address: 14:0C:76:A3:8F:89
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=22/70  Signal level=-88 dBm  
                    Encryption key:on
                    ESSID:"freebox_UTLIPI"
                    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=0000005d785a0d5f
                    Extra: Last beacon: 764ms ago
                    IE: Unknown: 000E66726565626F785F55544C495049
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050401020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B050000330000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: 7F080400088200000040
                    IE: Unknown: 6B0700140C76A38F88
                    IE: Unknown: 6C027F00
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0C0007CB010201000000000000
          Cell 03 - Address: 14:0C:76:A3:8F:8B
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=16/70  Signal level=-94 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=0000005d77f3e3a4
                    Extra: Last beacon: 7461ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 0B050000000000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: 7F080400080200000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0C0007CB010203000000000000


>>    uname -r -m 

6.8.0-55-generic x86_64

>>    cat /etc/network/interfaces 

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

>>    nm-tool 


>>    nmcli dev wifi 

IN-USE  BSSID              SSID             MODE   CHAN  RATE        SIGNAL  BARS  SECURITY    
*       06:2D:F6:BA:52:98  Pixel_7267       Infra  10    130 Mbit/s  72      ▂▄▆_  WPA2        
        14:0C:76:A3:8F:89  freebox_UTLIPI   Infra  11    195 Mbit/s  20      ▂___  WPA1 WPA2   
        14:0C:76:A3:8F:8B  FreeWifi_secure  Infra  11    195 Mbit/s  10      ▂___  WPA2 802.1X 

>>    nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04) 

NAME              UUID                                  TYPE       DEVICE 
Pixel_7267        7a6dae66-41f1-4257-b637-4a7e9f164d33  wifi       wlp2s0 
lo                3006043d-6f6f-4eba-a762-e741244d3f42  loopback   lo     
eduroam           7b6f6789-16ef-4ccf-b19a-fd0fdde5c640  wifi       --     
Livebox-9230      82f83bb1-275f-48b0-ab4e-ceaf89f0471f  wifi       --     
Réseau Pixel 4a   ce9509ae-87de-488d-ba0e-989fc12c92da  bluetooth  --     
_SNCF_WIFI_INOUI  2bceb2eb-2a64-493a-aeba-3c31d1e663dd  wifi       --     

>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

Merci d'avance pour votre aide !

Dernière modification par banach (Le 28/03/2025, à 09:15)

Hors ligne

#2 Le 28/03/2025, à 08:10

xubu1957

Re : [RESOLU] SSID invisible, impossible de me connecter à mon réseau Wifi

Bonjour,

Il faudrait tester sur un canal 6 au lieu du 10.

Essaye aussi de régler le problème des interférences.


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