Merci.
Voici :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"
>> lsusb
Bus 001 Device 005: ID 0bda:b006 Realtek Semiconductor Corp.
Bus 001 Device 004: ID 2188:0ae1
Bus 001 Device 006: ID 0bda:0811 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 064e:c346 Suyin Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:81f7]
Kernel driver in use: r8169
Kernel modules: r8169
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]
Kernel driver in use: rtl8723be
Kernel modules: rtl8723be
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: enp2s0
version: 07
numéro de série: 40:b0:34:98:c7:85
taille: 10Mbit/s
capacité: 100Mbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8106e-1_0.0.1 06/29/12 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:30 portE/S:3000(taille=256) mémoire:f0400000-f0400fff mémoire:f0100000-f0103fff
*-network
description: Interface réseau sans fil
produit: RTL8723BE PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlo1
version: 00
numéro de série: 90:cd:b6:22:2f:13
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723be driverversion=4.15.0-36-generic firmware=N/A latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:36 portE/S:2000(taille=256) mémoire:f1000000-f1003fff
*-network
description: Interface réseau sans fil
identifiant matériel: 2
information bus: usb@1:1.1
nom logique: wlxbcec23c3505e
numéro de série: bc:ec:23:c3:50:5e
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=rtl8812au ip=192.168.1.18 multicast=yes wireless=IEEE 802.11bgn
>> lsmod
Module Size Used by
rtl8723be 98304 0
btcoexist 135168 1 rtl8723be
rtl8723_common 24576 1 rtl8723be
rtl_pci 32768 1 rtl8723be
rtlwifi 77824 4 rtl_pci,btcoexist,rtl8723_common,rtl8723be
mac80211 778240 3 rtl_pci,rtlwifi,rtl8723be
pci_stub 16384 1
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 471040 3 vboxnetadp,vboxnetflt,vboxpci
rfcomm 77824 4
ccm 20480 9
bnep 20480 2
nls_iso8859_1 16384 1
edac_mce_amd 28672 0
kvm 598016 0
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
aesni_intel 188416 6
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
arc4 16384 2
snd_hda_codec_realtek 106496 1
snd_hda_codec_hdmi 49152 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
uvcvideo 86016 0
snd_hda_intel 40960 8
videobuf2_vmalloc 16384 1 uvcvideo
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
videobuf2_memops 16384 1 videobuf2_vmalloc
input_leds 16384 0
videobuf2_v4l2 24576 1 uvcvideo
joydev 24576 0
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
8812au 1298432 0
serio_raw 16384 0
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hwdep 20480 1 snd_hda_codec
videodev 184320 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
snd_pcm 98304 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 548864 33 btrtl,btintel,bnep,btbcm,rfcomm,btusb
ecdh_generic 24576 1 bluetooth
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
wmi_bmof 16384 0
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
fam15h_power 16384 0
snd 81920 27 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_pcm
cfg80211 622592 3 8812au,mac80211,rtlwifi
soundcore 16384 1 snd
shpchp 36864 0
8250_dw 16384 0
mac_hid 16384 0
hp_wireless 16384 0
sch_fq_codel 20480 10
parport_pc 36864 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 28672 0
x_tables 40960 1 ip_tables
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
amdkfd 180224 1
amd_iommu_v2 20480 1 amdkfd
amdgpu 2703360 26
chash 16384 1 amdgpu
i2c_algo_bit 16384 1 amdgpu
ttm 106496 1 amdgpu
drm_kms_helper 172032 1 amdgpu
psmouse 147456 0
sdhci_pci 32768 0
sdhci 49152 1 sdhci_pci
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
r8169 86016 0
i2c_piix4 24576 0
mii 16384 1 r8169
sysimgblt 16384 1 drm_kms_helper
ahci 36864 2
fb_sys_fops 16384 1 drm_kms_helper
libahci 32768 1 ahci
drm 401408 17 amdgpu,ttm,drm_kms_helper
wmi 24576 2 wmi_bmof,hp_wmi
video 45056 0
i2c_scmi 16384 0
>> iwconfig
wlxbcec23c3505e IEEE 802.11bgn ESSID:"WiFi-2.4-3DB6" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:2.412 GHz Access Point: 68:15:90:14:3D:BC
Bit Rate:72.2 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=100/100 Signal level=95/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
wlo1 IEEE 802.11 ESSID:"WiFi-2.4-3DB6"
Mode:Managed Frequency:2.412 GHz Access Point: 68:15:90:14:3D:BC
Bit Rate=7.2 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=24/70 Signal level=-86 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:108 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlxbcec23c3505e Scan completed :
Cell 01 - Address: 68:15:90:14:3D:BC
ESSID:"WiFi-2.4-3DB6"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DDAF0050F204104A0001101044000102103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA81210210008536167656D436F6D10230017536167656D636F6D4661737433383635625F42424F583310240009532E322E302D312E301042000F4C4B313432333744503136303938361054000800060050F20400011011001C536167656D636F6D4661737433383635625F42424F58332D4C4B313410080002200C103C0001011049000600372A000120
Quality=100/100 Signal level=95/100
Extra:fm=0003
Cell 02 - Address: 6A:15:90:14:3E:BD
ESSID:"PROXIMUS_FON"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:off
Bit Rates:144 Mb/s
Quality=100/100 Signal level=96/100
Extra:fm=0003
Cell 03 - Address: 6A:15:90:14:3E:BE
ESSID:"Proximus Smart Wi-Fi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac010d00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Preauthentication Supported
Quality=100/100 Signal level=96/100
Extra:fm=0003
Cell 04 - Address: 68:15:90:14:3D:BD
ESSID:"WiFi-5.0-3DB6"
Protocol:IEEE 802.11an
Mode:Master
Frequency:5.18 GHz (Channel 36)
Encryption key:on
Bit Rates:300 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
Quality=98/100 Signal level=100/100
Extra:fm=0001
wlo1 Scan completed :
Cell 01 - Address: 68:15:90:14:3D:BC
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=24/70 Signal level=-86 dBm
Encryption key:on
ESSID:"WiFi-2.4-3DB6"
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=0000002e55a8e0b1
Extra: Last beacon: 48ms ago
IE: Unknown: 000D576946692D322E342D33444236
IE: Unknown: 010882848B962430486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C121860
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 0B050200120000
IE: Unknown: 2D1A3C081BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: 7F080400080000000040
IE: Unknown: DDAF0050F204104A0001101044000102103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA81210210008536167656D436F6D10230017536167656D636F6D4661737433383635625F42424F583310240009532E322E302D312E301042000F4C4B313432333744503136303938361054000800060050F20400011011001C536167656D636F6D4661737433383635625F42424F58332D4C4B313410080002200C103C0001011049000600372A000120
IE: Unknown: DD090010180202000C0000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cell 02 - Address: 6A:15:90:14:3E:BD
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=24/70 Signal level=-86 dBm
Encryption key:off
ESSID:"PROXIMUS_FON"
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=0000002e55a8ef49
Extra: Last beacon: 48ms ago
IE: Unknown: 000C50524F58494D55535F464F4E
IE: Unknown: 010882848B962430486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C121860
IE: Unknown: 0B050000120000
IE: Unknown: 2D1A3C081BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: 7F03040008
IE: Unknown: DD090010180200000C0000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cell 03 - Address: 6A:15:90:14:3E:BE
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"Proximus Smart Wi-Fi"
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=0000002e55a8f78b
Extra: Last beacon: 48ms ago
IE: Unknown: 001450726F78696D757320536D6172742057692D4669
IE: Unknown: 010882848B962430486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 32040C121860
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Preauthentication Supported
IE: Unknown: 0B050000120000
IE: Unknown: 2D1A3C081BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: 7F03040008
IE: Unknown: DD090010180200000C0000
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
>> uname -r -m
4.15.0-36-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 SSID MODE CHAN RATE SIGNAL BARS SECURITY
* WiFi-2.4-3DB6 Infra 1 130 Mo/s 73 ▂▄▆_ WPA2
IN-USE SSID MODE CHAN RATE SIGNAL BARS SECURITY
PROXIMUS_FON Infra 1 130 Mo/s 37 ▂▄__ --
* WiFi-2.4-3DB6 Infra 1 130 Mo/s 34 ▂▄__ WPA2
Proximus Smart Wi-Fi Infra 1 130 Mo/s 30 ▂___ WPA2 802.1X
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
WiFi-2.4-3DB6 e0c5589b-b753-449f-a0a6-fbe4d06817f9 wifi wlo1
WiFi-2.4-3DB6 1 6b50b043-c5fa-4258-9103-f64ebce8d318 wifi wlxbcec23c3505e
AndroidAP 4527db36-7e54-45f4-838a-333dcc27fb8b wifi --
Connexion filaire 1 4b12411f-d45a-3593-9e6f-e673242dcee0 ethernet --
MYA-L41 5a603b5f-d51b-41e9-b651-a9ed5a7a5eb0 wifi --
PROXIMUS_FON cab0fe1e-5582-4984-bae3-fa3c4f17378a wifi --
VOO-016136 9472346e-4a4d-47d9-a444-eab66ed36958 wifi --
VOO-181722 56a05552-f650-4b50-a0e4-36e5c5244306 wifi --
WiFi-2.4-9A5B 98015f0b-138e-4747-afa7-d37ae777e02a wifi --
WiFi-5.0-3DB6 f93354f5-6d5c-4aec-a416-e263da69c7c1 wifi --
WiFi-5.0-9A5B_2GEXT 2d1c381e-2f32-4fbe-9aa0-26c99867b570 wifi --
>> nmcli connection status
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
5: phy4: Wireless LAN
Soft blocked: no
Hard blocked: no
6: phy5: Wireless LAN
Soft blocked: no
Hard blocked: no