Ok j'ai fait un wificheck et j'ai obtenu ça :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 1038:1720 SteelSeries ApS SteelSeries Rival 310 eSports Mouse
Bus 001 Device 003: ID 8087:0aaa Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
00:14.3 Network controller [0280]: Intel Corporation Wireless-AC 9560 [Jefferson Peak] [8086:a370] (rev 10)
DeviceName: Onboard - Ethernet
Subsystem: Intel Corporation Wireless-AC 9560 [Jefferson Peak] [8086:0034]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
--
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Micro-Star International Co., Ltd. [MSI] RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1462:127e]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Wireless-AC 9560 [Jefferson Peak]
fabricant: Intel Corporation
identifiant matériel: 14.3
information bus: pci@0000:00:14.3
nom logique: wlo1
version: 10
numéro de série: c0:b8:83:7f:a2:ba
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=iwlwifi driverversion=5.4.0-31-generic firmware=46.6bf1df06.0 ip=192.168.1.22 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : irq:16 mémoire:a4414000-a4417fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabricant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: enp3s0
version: 15
numéro de série: 00:d8:61:8a:34:91
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
ressources : irq:16 portE/S:3000(taille=256) mémoire:a4204000-a4204fff mémoire:a4200000-a4203fff
>> lsmod | sort
ac97_bus 16384 1 snd_soc_core
acpi_pad 184320 0
aesni_intel 372736 5
af_alg 24576 6 algif_hash,algif_skcipher
ahci 40960 0
algif_hash 16384 1
algif_skcipher 16384 1
autofs4 45056 2
bluetooth 581632 31 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 24576 1 btusb
btusb 57344 0
ccm 20480 3
cfg80211 704512 3 iwlmvm,iwlwifi,mac80211
cmac 16384 2
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 3 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 15 drm_kms_helper,nvidia_drm,i915
drm_kms_helper 184320 2 nvidia_drm,i915
ecc 28672 1 ecdh_generic
ecdh_generic 16384 1 bluetooth
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
gpio_keys 20480 0
hid 131072 4 i2c_hid,usbhid,hid_multitouch,hid_generic
hid_generic 16384 0
hid_multitouch 28672 0
i2c_algo_bit 16384 1 i915
i2c_hid 28672 0
i2c_i801 32768 0
i915 1986560 20
idma64 20480 0
input_leds 16384 0
intel_cstate 20480 0
intel_lpss 16384 1 intel_lpss_pci
intel_lpss_pci 20480 0
intel_pch_thermal 16384 0
intel_powerclamp 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_rapl_perf 20480 0
ipmi_devintf 20480 0
ipmi_msghandler 106496 2 ipmi_devintf,nvidia
ip_tables 32768 0
iwlmvm 380928 0
iwlwifi 331776 1 iwlmvm
joydev 24576 0
kvm 663552 1 kvm_intel
kvm_intel 282624 0
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_hda_codec_realtek,snd_sof
libahci 32768 1 ahci
libarc4 16384 1 mac80211
lp 20480 0
mac80211 843776 1 iwlmvm
mac_hid 16384 0
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
msi_wmi 20480 0
mxm_wmi 16384 0
nls_iso8859_1 16384 1
nvidia 20430848 135 nvidia_uvm,nvidia_modeset
nvidia_drm 45056 4
nvidia_modeset 1114112 3 nvidia_drm
nvidia_uvm 966656 0
nvme 49152 2
nvme_core 102400 4 nvme
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
pinctrl_cannonlake 36864 3
pinctrl_intel 28672 2 pinctrl_cannonlake
ppdev 24576 0
psmouse 155648 0
r8169 90112 0
realtek 24576 1
rfcomm 81920 4
sch_fq_codel 20480 2
serio_raw 20480 0
snd 90112 28 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_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
snd_compress 24576 1 snd_soc_core
snd_hda_codec 131072 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek,snd_soc_hdac_hda
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 118784 1
snd_hda_core 90112 9 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_ext_core 28672 3 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_hda_intel 53248 8
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 3 snd_hda_intel,snd_sof_pci,snd_sof_intel_hda_common
snd_pcm 106496 9 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_soc_acpi 16384 2 snd_sof_pci,snd_soc_acpi_intel_match
snd_soc_acpi_intel_match 32768 2 snd_sof_pci,snd_sof_intel_hda_common
snd_soc_core 245760 3 snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
snd_sof 106496 4 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc
snd_sof_intel_byt 20480 1 snd_sof_pci
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
snd_sof_intel_hda_common 69632 1 snd_sof_pci
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
snd_sof_pci 20480 0
snd_sof_xtensa_dsp 16384 1 snd_sof_pci
snd_timer 36864 2 snd_seq,snd_pcm
soc_button_array 20480 0
soundcore 16384 1 snd
sparse_keymap 16384 1 msi_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
usbhid 57344 0
video 49152 2 msi_wmi,i915
virt_dma 20480 1 idma64
wmi 32768 3 wmi_bmof,msi_wmi,mxm_wmi
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlo1 IEEE 802.11 ESSID:"Livebox-E2B8 2,4"
Mode:Managed Frequency:2.412 GHz Access Point: 44:A6:1E:24:AB:5B
Bit Rate=86.7 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=36/70 Signal level=-74 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:2 Invalid misc:91 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlo1 Scan completed :
Cell 01 - Address: 44:A6:1E:24:AB:5B
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=41/70 Signal level=-69 dBm
Encryption key:on
ESSID:"Livebox-E2B8 2,4"
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=000001571e153db1
Extra: Last beacon: 1960ms ago
IE: Unknown: 00104C697665626F782D4532423820322C34
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: 341601080400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103B3B483D384CF93BF8493C493B3B483D10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E3410420009414E313933323346461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Cell 02 - Address: E4:9E:12:EF:8F:39
Channel:9
Frequency:2.452 GHz (Channel 9)
Quality=24/70 Signal level=-86 dBm
Encryption key:off
ESSID:"FreeWifi"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=00000004b70c815f
Extra: Last beacon: 10116ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030109
IE: Unknown: 050400020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1609000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010102000000000000
Cell 03 - Address: B8:D9:4D:C4:71:50
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"Bbox-7DF1E488"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
24 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000006c93a56c4d7
Extra: Last beacon: 3340ms ago
IE: Unknown: 000D42626F782D3744463145343838
IE: Unknown: 010882848B962430486C
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 32040C121860
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050000270000
IE: Unknown: 42020000
IE: Unknown: 2D1ABC091BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080000000000000000000000000000000000000000
IE: Unknown: 7F080400000000000040
IE: Unknown: DD800050F204104A0001101044000102103B00010310470010BB18254270695713ABC79245E32AC1651021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
IE: Unknown: DD090010180200001C0000
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101840003A4000027A4000042435E0062322F00
Cell 04 - Address: 68:A3:78:88:76:88
Channel:4
Frequency:2.427 GHz (Channel 4)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000001e38e2c015f
Extra: Last beacon: 2760ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030104
IE: Unknown: 050400020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 2D1AEE0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1604000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0C0007CB010203000000000000
Cell 05 - Address: 44:A6:1E:24:AB:5C
Channel:136
Frequency:5.68 GHz (Channel 136)
Quality=31/70 Signal level=-79 dBm
Encryption key:on
ESSID:"Livebox-E2B8"
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=000001571a871769
Extra: Last beacon: 148ms ago
IE: Unknown: 000C4C697665626F782D45324238
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030188
IE: Unknown: 07344652202401172801172C01173001173401173801173C01174001176401176801176C01177001177401178401178801178C011700
IE: Unknown: 200100
IE: Unknown: 2D1AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 331AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 3D16880F0400000000000000000000000000000000000000
IE: Unknown: 3416880F0400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103B3B483D384CF93BF8493C493B3B483D10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E3410420009414E313933323346461054000800060050F204000110110000100800020006103C0001021049000600372A000120
>> uname -r -m
5.4.0-31-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* 44:A6:1E:24:AB:5B Livebox-E2B8 2,4 Infra 1 130 Mbit/s 52 ▂▄__ WPA1 WPA2
44:A6:1E:24:AB:5C Livebox-E2B8 Infra 136 405 Mbit/s 35 ▂▄__ WPA1 WPA2
B8:D9:4D:C4:71:50 Bbox-7DF1E488 Infra 1 130 Mbit/s 30 ▂___ WPA1 WPA2
68:A3:78:88:76:88 FreeWifi_secure Infra 4 405 Mbit/s 30 ▂___ WPA2 802.1X
14:0C:76:AF:6C:F9 jam_wifi Infra 6 405 Mbit/s 27 ▂___ WPA2
14:0C:76:AF:6C:FB FreeWifi_secure Infra 6 405 Mbit/s 25 ▂___ WPA2 802.1X
E4:9E:12:EF:8F:39 FreeWifi Infra 9 195 Mbit/s 24 ▂___ --
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Livebox-E2B8 2,4 2a5a7e54-f04a-4011-82ad-31e8bd2d668c wifi wlo1
AndroidAP1025 934d1f16-5042-43ae-9ce0-4248edfaf18e wifi --
Connexion filaire 1 92faf7e5-7faf-3d6b-a56e-e9a9fc493526 ethernet --
Livebox-E2B8 4ca32df3-8cc1-435d-8a8c-612628cccea3 wifi --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Merci beaucoup de m'aider !
