Bonjour,
comme demande dans la discussion
https://forum.ubuntu-fr.org/post.php?tid=2043498&qid=22151571 j'ouvre ici une nouvelle discussion portant sur la même problématique.
contexte technique :
carte wifi : RTL8821CE
freebox V6 2.4Ghz uniquement envrsion 4.0.6
Linux: Ubuntu 18.04.3 LTS
Driver: rtl8821ce au niveau git 55b90f4
contenu du wificheck:
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS"
>> lsusb
Bus 001 Device 004: ID 174f:116a Syntek
Bus 001 Device 003: ID 0bda:c024 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 046d:c521 Logitech, Inc. Cordless Mouse Receiver
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
Subsystem: Lenovo RTL8821CE 802.11ac PCIe Wireless Network Adapter [17aa:c024]
Kernel driver in use: rtl8821ce
Kernel modules: 8821ce
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
Subsystem: Lenovo RTL810xE PCI Express Fast Ethernet controller [17aa:3861]
Kernel driver in use: r8169
Kernel modules: r8169
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: RTL8821CE 802.11ac PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: wlp1s0
version: 00
numéro de série: 28:39:26:1d:0d:8b
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ce latency=0 multicast=yes wireless=unassociated
ressources: irq:36 portE/S:2000(taille=256) mémoire:f0c00000-f0c0ffff
*-network
description: Ethernet interface
produit: RTL810xE PCI Express Fast 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: e8:6a:64:ba:32:17
taille: 100Mbit/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 duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.0.17 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
ressources: irq:32 portE/S:1000(taille=256) mémoire:f0b00000-f0b00fff mémoire:f0800000-f0803fff
>> lsmod | sort
8821ce 1785856 0
aesni_intel 372736 2
aes_x86_64 20480 1 aesni_intel
ahci 40960 1
amdgpu 3497984 5
amd_iommu_v2 20480 1 amdgpu
autofs4 45056 2
bluetooth 557056 43 btrtl,btintel,btbcm,bnep,btusb,rfcomm
bnep 24576 2
btbcm 16384 1 btusb
btintel 24576 1 btusb
btrtl 20480 1 btusb
btusb 49152 0
ccp 86016 1 kvm_amd
cfg80211 675840 1 8821ce
chash 16384 1 amdgpu
cmac 16384 1
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
crypto_simd 16384 1 aesni_intel
drm 479232 8 gpu_sched,drm_kms_helper,amdgpu,ttm
drm_kms_helper 180224 1 amdgpu
ecdh_generic 28672 2 bluetooth
edac_mce_amd 28672 0
elan_i2c 40960 0
fam15h_power 16384 0
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
gpu_sched 32768 1 amdgpu
hid 126976 3 i2c_hid,usbhid,hid_generic
hid_generic 16384 0
i2c_algo_bit 16384 1 amdgpu
i2c_hid 28672 0
i2c_piix4 28672 0
ideapad_laptop 20480 0
input_leds 16384 0
ip_tables 32768 0
irqbypass 16384 1 kvm
joydev 28672 0
k10temp 16384 0
kvm 626688 1 kvm_amd
kvm_amd 90112 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 32768 1 ahci
lp 20480 0
mac_hid 16384 0
media 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
Module Size Used by
parport 53248 3 parport_pc,lp,ppdev
parport_pc 36864 0
ppdev 24576 0
r8169 81920 0
realtek 20480 0
rfcomm 77824 16
sch_fq_codel 20480 6
serio_raw 20480 0
snd 86016 18 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
snd_hda_codec 131072 3 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel
snd_hda_codec_generic 77824 1
snd_hda_codec_hdmi 53248 1
snd_hda_core 86016 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_hda_intel 40960 4
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 102400 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
sparse_keymap 16384 1 ideapad_laptop
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 102400 1 amdgpu
usbhid 53248 0
uvcvideo 94208 0
video 49152 1 ideapad_laptop
videobuf2_common 45056 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 200704 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 28672 2 wmi_bmof,ideapad_laptop
wmi_bmof 16384 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp1s0 unassociated Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency=2.412 GHz Access Point: Not-Associated
Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=0/100 Signal level=0 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>> ifconfig -a
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.17 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::e87a:75d0:2119:3cb4 prefixlen 64 scopeid 0x20<link>
inet6 2a01:e0a:c:d660:5fa8:e509:a240:1914 prefixlen 64 scopeid 0x0<global>
inet6 2a01:e0a:c:d660:f980:7224:1c5d:b15e prefixlen 64 scopeid 0x0<global>
ether e8:6a:64:ba:32:17 txqueuelen 1000 (Ethernet)
RX packets 1215 bytes 108940 (108.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 613 bytes 99576 (99.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 380 bytes 29851 (29.8 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 380 bytes 29851 (29.8 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp1s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 28:39:26:1d:0d:8b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlp1s0 Scan completed :
Cell 01 - Address: 00:37:B7:01:AC:36
ESSID:"Numericable-ac30"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD830050F204104A0001101044000102103B00010310470010BBD3E592E1FBC69C0A10602BB26E37BA10210008454D544136322D3110230008454D544136322D311024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D436F6D4150100800020000103C0001031049000600372A000120
Quality=100/100 Signal level=-60 dBm
Extra:fm=0003
Cell 02 - Address: 64:7C:34:2D:BA:3C
ESSID:"Bbox-CA7BCE55"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A0001101044000102104700102E4501C9126158C8AAB68A055FED82ED103C0001011049000600372A000120
Quality=94/100 Signal level=-86 dBm
Extra:fm=0001
Cell 03 - Address: B8:D9:4D:0A:1B:1E
ESSID:"SFR-1b18"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.417 GHz (Channel 2)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A000110104400010210470010CC058A4F307B2A6C786BCD9CF22EB745103C0001031049000600372A000120
Quality=100/100 Signal level=-90 dBm
Extra:fm=0001
Cell 04 - Address: 68:15:90:2E:6E:BC
ESSID:"Livebox-6EBC"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103D3F383C4037F94CFD4C494A3D3F383C10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E31104200094C4B313430333046461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Quality=29/100 Signal level=-59 dBm
Extra:fm=0003
Cell 05 - Address: 4A:15:90:2E:6E:BC
ESSID:"orange"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:off
Bit Rates:144 Mb/s
Quality=48/100 Signal level=-54 dBm
Extra:fm=0003
Cell 06 - Address: B8:26:6C:CD:93:C2
ESSID:"Livebox-93C2"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B00010310470010493F393D3D4AFA4BF03A4A39493F393D10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E3210420009414E313533363446461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Quality=100/100 Signal level=-82 dBm
Extra:fm=0003
Cell 07 - Address: D8:D7:75:88:51:B6
ESSID:"SFR-51b0"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD830050F204104A0001101044000102103B00010310470010DF4E95CAD1C6E9878A6374AE62DA88A510210008536167656D636F6D10230008536167656D636F6D1024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D636F6D4150100800022008103C0001031049000600372A000120
Quality=48/100 Signal level=-70 dBm
Extra:fm=0003
Cell 08 - Address: 48:83:C7:CB:BE:D2
ESSID:"Livebox-BED2"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001011049000600372A000120
Quality=100/100 Signal level=-78 dBm
Extra:fm=0001
Cell 09 - Address: 64:7C:34:68:BF:AC
ESSID:"Bbox-5323ED28"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
Bit Rates:144 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f202
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD310050F204104A0001101044000102104700102E4501C9126158C8AAB68A055FED82ED103C0001011049000600372A000120
Quality=0/100 Signal level=-84 dBm
Extra:fm=0001
Cell 10 - Address: 1A:83:C7:CB:BE:D2
ESSID:"orange"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:off
Bit Rates:144 Mb/s
Quality=0/100 Signal level=-80 dBm
Extra:fm=0001
Cell 11 - Address: 00:37:B7:01:AC:37
ESSID:"Numericable-ac30"
Protocol:IEEE 802.11AC
Mode:Master
Frequency:5.18 GHz (Channel 36)
Encryption key:on
Bit Rates:1.3 Gb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD830050F204104A0001101044000102103B00010310470010BBD3E592E1FBC69C0A10602BB26E37BA10210008454D544136322D3110230008454D544136322D311024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D436F6D4150100800020000103C0001031049000600372A000120
Quality=55/100 Signal level=-71 dBm
Extra:fm=0003
Cell 12 - Address: D8:D7:75:88:51:B7
ESSID:"SFR-51b0_5GHz"
Protocol:IEEE 802.11AC
Mode:Master
Frequency:5.18 GHz (Channel 36)
Encryption key:on
Bit Rates:1.3 Gb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD830050F204104A0001101044000102103B00010310470010DF4E95CAD1C6E9878A6374AE62DA88A510210008536167656D636F6D10230008536167656D636F6D1024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D636F6D4150100800022008103C0001031049000600372A000120
Quality=21/100 Signal level=-88 dBm
Extra:fm=0003
Cell 13 - Address: 48:83:C7:CB:BE:D3
ESSID:"Livebox-BED2"
Protocol:IEEE 802.11an
Mode:Master
Frequency:5.52 GHz (Channel 104)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
Quality=54/100 Signal level=-75 dBm
Extra:fm=0001
Cell 14 - Address: 68:15:90:2E:6E:BD
ESSID:"Livebox-6EBC"
Protocol:IEEE 802.11an
Mode:Master
Frequency:5.68 GHz (Channel 136)
Encryption key:on
Bit Rates:300 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
Quality=72/100 Signal level=-65 dBm
Extra:fm=0001
>> uname -r -m
5.0.0-29-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
Livebox-6EBC Infra 6 130 Mbit/s 77 ▂▄▆_ WPA1 WPA2
Numericable-ac30 Infra 1 195 Mbit/s 74 ▂▄▆_ WPA1 WPA2
orange Infra 6 130 Mbit/s 70 ▂▄▆_ --
Livebox-6EBC Infra 136 405 Mbit/s 60 ▂▄▆_ WPA1 WPA2
Numericable-ac30 Infra 36 405 Mbit/s 54 ▂▄__ WPA1 WPA2
SFR-51b0 Infra 11 195 Mbit/s 49 ▂▄__ WPA1 WPA2
Livebox-BED2 Infra 104 405 Mbit/s 42 ▂▄__ WPA1 WPA2
Livebox-BED2 Infra 11 130 Mbit/s 37 ▂▄__ WPA1 WPA2
orange Infra 11 130 Mbit/s 34 ▂▄__ --
Livebox-93C2 Infra 6 130 Mbit/s 30 ▂___ WPA1 WPA2
Bbox-5323ED28 Infra 11 195 Mbit/s 30 ▂___ WPA1 WPA2
Livebox-B158 Infra 6 130 Mbit/s 27 ▂___ WPA1 WPA2
orange Infra 6 130 Mbit/s 24 ▂___ --
SFR-51b0_5GHz Infra 36 195 Mbit/s 22 ▂___ WPA1 WPA2
orange Infra 6 130 Mbit/s 20 ▂___ --
SFR-1b18 Infra 2 195 Mbit/s 17 ▂___ WPA1 WPA2
Livebox-930C Infra 6 130 Mbit/s 17 ▂___ WPA1 WPA2
SFR-5f50 Infra 11 130 Mbit/s 14 ▂___ WPA1 WPA2
Livebox-ADD0 Infra 6 130 Mbit/s 10 ▂___ WPA1 WPA2
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 cfdea612-0ce1-3949-921b-335bb5577f26 ethernet enp2s0
>> nmcli connection status
>> sudo rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Le réseau wifi de ma freebox V6 n'est pas vu par la carte rtl8122ce.