ok merci pour le rappel de la procédure. Donc voilà :
>> lsb_release -a
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
>> lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 5986:02d5 Acer, Inc
Bus 001 Device 003: ID 1058:25a3 Western Digital Technologies, Inc. Elements Desktop (WDBWLG)
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 062a:4c01 MosArt Semiconductor Corp. 2.4G INPUT DEVICE
Bus 003 Device 002: ID 04e8:6860 Samsung Electronics Co., Ltd Galaxy series, misc. (MTP mode)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection (Lewisville) [8086:1502] (rev 04)
Subsystem: Lenovo 82579LM Gigabit Network Connection (Lewisville) [17aa:21f3]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
--
03:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] [8086:0085] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6205 (802.11a/b/g/n) [8086:1311]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: 82579LM Gigabit Network Connection (Lewisville)
fabricant: Intel Corporation
identifiant matériel: 19
information bus: pci@0000:00:19.0
nom logique: enp0s25
version: 04
numéro de série: 00:21:cc:d5:2e:fe
capacité: 1Gbit/s
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.13-3 latency=0 link=no multicast=yes port=twisted pair
ressources : irq:28 mémoire:f2500000-f251ffff mémoire:f253b000-f253bfff portE/S:6080(taille=32)
*-network
description: Interface réseau sans fil
produit: Centrino Advanced-N 6205 [Taylor Peak]
fabricant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlp3s0
version: 34
numéro de série: 84:3a:4b:04:7e:dc
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=iwlwifi driverversion=5.4.0-52-generic firmware=18.168.6.1 ip=192.168.0.16 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : irq:33 mémoire:f1c00000-f1c01fff
>> lsmod | sort
aesni_intel 372736 2
ahci 40960 2
autofs4 45056 2
ccm 20480 3
cfg80211 704512 3 iwldvm,iwlwifi,mac80211
coretemp 20480 0
cqhci 28672 1 sdhci_pci
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 5 drm_kms_helper,i915
drm_kms_helper 184320 1 i915
e1000e 258048 0
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
hid 131072 2 usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 1 i915
i2c_i801 32768 0
i915 1986560 10
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
intel_rapl_msr 20480 0
ip_tables 32768 0
iwldvm 237568 0
iwlwifi 331776 1 iwldvm
joydev 24576 0
kvm 663552 0
ledtrig_audio 16384 3 snd_hda_codec_generic,snd_hda_codec_realtek,thinkpad_acpi
libahci 32768 1 ahci
libarc4 16384 1 mac80211
lp 20480 0
lpc_ich 24576 0
mac80211 843776 1 iwldvm
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
nls_iso8859_1 16384 1
nvram 16384 1 thinkpad_acpi
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
ppdev 24576 0
psmouse 155648 0
rapl 20480 0
sch_fq_codel 20480 6
sdhci 65536 1 sdhci_pci
sdhci_pci 53248 0
serio_raw 20480 0
snd 90112 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_timer,thinkpad_acpi,snd_pcm,snd_rawmidi
snd_hda_codec 135168 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic 81920 1 snd_hda_codec_realtek
snd_hda_codec_hdmi 61440 1
snd_hda_codec_realtek 126976 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel 53248 3
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_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_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
thinkpad_acpi 110592 0
uas 28672 0
usbhid 57344 0
usb_storage 77824 2 uas
uvcvideo 98304 0
video 49152 2 thinkpad_acpi,i915
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 1 wmi_bmof
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp3s0 IEEE 802.11 ESSID:"freebox_ABELARD"
Mode:Managed Frequency:2.452 GHz Access Point: 62:B6:DC:CE:93:0C
Bit Rate=117 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=66/70 Signal level=-44 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:83 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
valid_lft forever preferred_lft forever
2: enp0s25: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether 00:21:cc:d5:2e:fe brd ff:ff:ff:ff:ff:ff
3: wlp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
link/ether 84:3a:4b:04:7e:dc brd ff:ff:ff:ff:ff:ff
inet 192.168.0.16/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp3s0
valid_lft 863834sec preferred_lft 863834sec
inet6 2a01:e0a:4f:6d0:75b4:fce8:590b:2459/64 scope global temporary dynamic
valid_lft 86236sec preferred_lft 85749sec
inet6 2a01:e0a:4f:6d0:5ab1:115f:7e4e:d225/64 scope global dynamic mngtmpaddr noprefixroute
valid_lft 86236sec preferred_lft 86236sec
inet6 fe80::346f:3146:8496:ff94/64 scope link noprefixroute
valid_lft forever preferred_lft forever
>> sudo iwlist scan
wlp3s0 Scan completed :
Cell 01 - Address: 62:B6:DC:CE:93:0C
Channel:9
Frequency:2.452 GHz (Channel 9)
Quality=67/70 Signal level=-43 dBm
Encryption key:on
ESSID:"freebox_ABELARD"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000000552aa50ebf
Extra: Last beacon: 176ms ago
IE: Unknown: 000F66726565626F785F4142454C415244
IE: Unknown: 010882848B961224486C
IE: Unknown: 030109
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1609050600000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3409050600000000000000000000000000000000000000
Cell 02 - Address: 62:B6:DC:CE:93:0D
Channel:9
Frequency:2.452 GHz (Channel 9)
Quality=66/70 Signal level=-44 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=000000552aa51958
Extra: Last beacon: 5568ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B961224486C
IE: Unknown: 030109
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1609050600000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3409050600000000000000000000000000000000000000
Cell 03 - Address: 52:33:8E:DF:AF:EC
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=23/70 Signal level=-87 dBm
Encryption key:off
ESSID:"orange"
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=00000052a21a0180
Extra: Last beacon: 5184ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 050400030000
IE: Unknown: 2A0102
IE: Unknown: 32043048606C
IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B000900000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
>> uname -r -m
5.4.0-52-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* 62:B6:DC:CE:93:0C freebox_ABELARD Infra 9 270 Mbit/s 97 ▂▄▆█ WPA1
62:B6:DC:CE:93:0D FreeWifi_secure Infra 9 270 Mbit/s 94 ▂▄▆█ WPA1 802.1X
52:33:8E:DF:AF:EC orange Infra 11 130 Mbit/s 22 ▂___ --
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
freebox_ABELARD 8946af3c-341f-4844-991b-8fcf75fbae14 wifi wlp3s0
Connexion filaire 1 ed63dd93-15cb-3322-ad27-ae5bb09b30d9 ethernet --
SFR WiFi FON d4642da9-b0a4-4fd8-afd6-4a54d2a24d2b wifi --
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
