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Annonce

Si vous avez des soucis pour rester connecté, déconnectez-vous puis reconnectez-vous depuis ce lien en cochant la case
Me connecter automatiquement lors de mes prochaines visites.

À propos de l'équipe du forum.

#1 Le 19/05/2020, à 15:52

kirikou38

[Résolu] wifi ne fonctionne plus après installation 20.04

Bonjour,
après avoir exploré les différents fils de discussion sans avoir trouvé de réponse, je me permets de vous exposer mon problème.
Je suis passé de la version 18.04 à la version 20.04 et, depuis, ne parviens plus à me connecter à ma box (wifi_lep ci-dessous). Le gestionnaire wifi tourne en rond puis me redemande mon mot de passe wifi.
A noter que j'ai une prise d'extension du réseau wifi dans ma maison auquel je parviens à me connecter (wifi_lep2 ci-dessous).
J'ai suivi les instructions du post (https://forum.ubuntu-fr.org/viewtopic.php?id=2003167) ainsi que de la page wifi (https://doc.ubuntu-fr.org/wifi) sans succès. Ma carte wifi fonctionne puisque je peux me connecter à un autre réseau.
Je précise enfin que je vis dans un autre pays (Taïwan) ; j'ai tenté REGDOMAIN=TW sans succès.
Merci par avance pour votre aide smile

>>    cat /etc/lsb-release 

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"

>>    lsusb 

Bus 001 Device 009: ID 0b97:7772 O2 Micro, Inc. OZ776 CCID Smartcard Reader
Bus 001 Device 008: ID 0b97:7761 O2 Micro, Inc. Oz776 1.1 Hub
Bus 001 Device 007: ID 8087:07dc Intel Corp. 
Bus 001 Device 006: ID 138a:003f Validity Sensors, Inc. VFS495 Fingerprint Reader
Bus 001 Device 005: ID 0424:2514 Microchip Technology, Inc. (formerly SMSC) USB 2.0 Hub
Bus 001 Device 004: ID 0c45:649d Microdia 
Bus 001 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
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 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 Ethernet Connection I218-LM [8086:155a] (rev 04)
	DeviceName:  Onboard LAN
	Subsystem: Dell Ethernet Connection I218-LM [1028:05de]
	Kernel driver in use: e1000e
	Kernel modules: e1000e
00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04)
--
02:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev bb)
	Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:4470]
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi

>>    sudo lshw -C network 

  *-network
       description: Ethernet interface
       produit: Ethernet Connection I218-LM
       fabricant: Intel Corporation
       identifiant matériel: 19
       information bus: pci@0000:00:19.0
       nom logique: eno1
       version: 04
       numéro de série: ec:f4:bb:6f:9d:24
       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=0.6-3 latency=0 link=no multicast=yes port=twisted pair
       ressources : irq:55 mémoire:f7400000-f741ffff mémoire:f743c000-f743cfff portE/S:f080(taille=32)
  *-network
       description: Interface réseau sans fil
       produit: Wireless 7260
       fabricant: Intel Corporation
       identifiant matériel: 0
       information bus: pci@0000:02:00.0
       nom logique: wlp2s0
       version: bb
       numéro de série: 7c:5c:f8:87:66:76
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration : broadcast=yes driver=iwlwifi driverversion=5.4.0-29-generic firmware=17.3216344376.0 ip=192.168.0.16 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       ressources : irq:51 mémoire:f7200000-f7201fff

>>    lsmod | sort 

aesni_intel           372736  15
af_alg                 24576  18 algif_hash,algif_skcipher
ahci                   40960  2
algif_hash             16384  4
algif_skcipher         16384  4
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  9
coretemp               20480  0
cqhci                  28672  1 sdhci_pci
crc32_pclmul           16384  0
crct10dif_pclmul       16384  1
cryptd                 24576  6 crypto_simd,ghash_clmulni_intel
crypto_simd            16384  1 aesni_intel
dcdbas                 20480  1 dell_smbios
dell_laptop            24576  0
dell_rbtn              20480  1
dell_smbios            28672  2 dell_wmi,dell_laptop
dell_smm_hwmon         20480  0
dell_smo8800           20480  0
dell_wmi               20480  0
dell_wmi_descriptor    20480  2 dell_wmi,dell_smbios
drm                   491520  13 drm_kms_helper,nvidia,i915
drm_kms_helper        184320  1 i915
e1000e                258048  0
ecc                    28672  1 ecdh_generic
ecdh_generic           16384  2 bluetooth
fb_sys_fops            16384  1 drm_kms_helper
ghash_clmulni_intel    16384  0
glue_helper            16384  1 aesni_intel
hid                   131072  4 usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic            16384  0
hid_logitech_dj        24576  0
hid_logitech_hidpp     40960  0
i2c_algo_bit           16384  1 i915
i2c_i801               32768  0
i915                 1986560  5
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
intel_rapl_perf        20480  0
ip_tables              32768  0
iwlmvm                380928  0
iwlwifi               331776  1 iwlmvm
joydev                 24576  0
kvm                   663552  1 kvm_intel
kvm_intel             286720  0
ledtrig_audio          16384  3 snd_hda_codec_generic,snd_hda_codec_realtek,dell_laptop
libahci                32768  1 ahci
libarc4                16384  1 mac80211
lp                     20480  0
lpc_ich                24576  0
mac80211              843776  1 iwlmvm
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
mxm_wmi                16384  0
nls_iso8859_1          16384  1
nvidia              10584064  104 nvidia_uvm
nvidia_uvm             36864  0
parport                53248  3 parport_pc,lp,ppdev
parport_pc             40960  0
ppdev                  24576  0
psmouse               155648  0
rfcomm                 81920  4
sch_fq_codel           20480  2
sdhci                  65536  1 sdhci_pci
sdhci_pci              53248  0
serio_raw              20480  0
snd                    90112  35 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_pcm,snd_rawmidi
snd_hda_codec         131072  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   118784  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  12
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
sparse_keymap          16384  1 dell_wmi
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
usbhid                 57344  1 hid_logitech_dj
uvcvideo               98304  0
video                  49152  3 dell_wmi,dell_laptop,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  5 dell_wmi,wmi_bmof,dell_smbios,dell_wmi_descriptor,mxm_wmi
wmi_bmof               16384  0
x86_pkg_temp_thermal    20480  0
x_tables               40960  1 ip_tables
>>    iwconfig 

wlp2s0    IEEE 802.11  ESSID:"wifi_lep_2"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: D8:0D:17:56:86:75   
          Bit Rate=144.4 Mb/s   Tx-Power=22 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=62/70  Signal level=-48 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:6  Invalid misc:48   Missed beacon:0


>>    ifconfig -a 


>>    sudo iwlist scan 

wlp2s0    Scan completed :
          Cell 01 - Address: D8:0D:17:56:86:75
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=60/70  Signal level=-50 dBm  
                    Encryption key:on
                    ESSID:"wifi_lep_2"
                    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=00000126de582b2f
                    Extra: Last beacon: 1648ms ago
                    IE: Unknown: 000A776966695F6C65705F32
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 2D1AAC0117FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606000400000000000000000000000000000000000000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 7F09000000000000000000
                    IE: Unknown: 0B05020048127A
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: DD07000C4303000000
          Cell 02 - Address: 5C:F4:AB:86:A4:97
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=46/70  Signal level=-64 dBm  
                    Encryption key:on
                    ESSID:"Daniel"
                    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=000001f642eed747
                    Extra: Last beacon: 4084ms ago
                    IE: Unknown: 000644616E69656C
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1ABC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601000400000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD090010180201000C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 03 - Address: AC:F1:DF:14:FB:BC
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=39/70  Signal level=-71 dBm  
                    Encryption key:on
                    ESSID:"WIFI1234"
                    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=000002a941227fc1
                    Extra: Last beacon: 4140ms ago
                    IE: Unknown: 00085749464931323334
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1AFC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601081100000000000000000000000000000000000000
                    IE: Unknown: DD090010180200F42C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 04 - Address: 10:BE:F5:23:14:5C
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=28/70  Signal level=-82 dBm  
                    Encryption key:on
                    ESSID:"dlink-145C"
                    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=00000a01b5d70e9b
                    Extra: Last beacon: 4136ms ago
                    IE: Unknown: 000A646C696E6B2D31343543
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030101
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6E181FFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601001100000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A00B400C800140005001900
                    IE: Unknown: 7F0101
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD1E00904C336E181FFFFF000000000000000000000000000000000000000000
                    IE: Unknown: DD1A00904C3401001100000000000000000000000000000000000000
                    IE: Unknown: DD0600E04C020160
                    IE: Unknown: DD8E0050F204104A0001101044000102103B0001031047001069BC579ADD2AD490DD1A10BEF523145C10210012442D4C696E6B20436F72706F726174696F6E102300084449522D3835304C1024000830303030303030301042000830303030303030301054000800060050F2040001101100084449522D3835304C10080002200C103C0001031049000600372A000120
          Cell 05 - Address: 30:B7:D4:5D:9B:98
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=-35 dBm  
                    Encryption key:on
                    ESSID:"wifi_lep"
                    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=0000008d461171a5
                    Extra: Last beacon: 3944ms ago
                    IE: Unknown: 0008776966695F6C6570
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 0706545720010B1E
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 460573D000000C
                    IE: Unknown: 2D1AAD011BFFFFFF00000000000000000001000000000406E6470D00
                    IE: Unknown: 3D1606000500000000000000000000000000000000000000
                    IE: Unknown: 7F0800000F0200000040
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
          Cell 06 - Address: AC:F1:DF:14:0C:ED
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=44/70  Signal level=-66 dBm  
                    Encryption key:on
                    ESSID:"cherish"
                    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=0000044050bdd850
                    Extra: Last beacon: 3932ms ago
                    IE: Unknown: 000763686572697368
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1AFC181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606080400000000000000000000000000000000000000
                    IE: Unknown: DD090010180202F42C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 07 - Address: 08:62:66:8D:5F:90
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=32/70  Signal level=-78 dBm  
                    Encryption key:on
                    ESSID:"orangefarm NETFLIX"
                    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=0000052d3f8ef41f
                    Extra: Last beacon: 3960ms ago
                    IE: Unknown: 00126F72616E67656661726D204E4554464C4958
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 0706555320010B1E
                    IE: Unknown: 200100
                    IE: Unknown: 23021800
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1ABD1917FFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D1606080400000000000000000000000000000000000000
                    IE: Unknown: 7F080400000000000040
                    IE: Unknown: DD090010180203001C0000
                    IE: WPA Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 46057208010000
          Cell 08 - Address: F4:28:53:88:46:F0
                    Channel:8
                    Frequency:2.447 GHz (Channel 8)
                    Quality=33/70  Signal level=-77 dBm  
                    Encryption key:on
                    ESSID:"GeniusNetworkB"
                    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=0000125985e980d0
                    Extra: Last beacon: 3892ms ago
                    IE: Unknown: 000E47656E6975734E6574776F726B42
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030108
                    IE: Unknown: 32040C183060
                    IE: Unknown: 05050001001001
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD270050F204104A0001101044000102104700102880288028801880A880F428538846F0103C000101
                    IE: Unknown: 2A0106
                    IE: Unknown: 2D1A2C0017FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1608000500000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B05010011127A
                    IE: Unknown: DD07000C4303000000
          Cell 09 - Address: A4:2B:B0:E6:6E:38
                    Channel:9
                    Frequency:2.452 GHz (Channel 9)
                    Quality=26/70  Signal level=-84 dBm  
                    Encryption key:on
                    ESSID:"wifi2095bis"
                    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=000000012a9d5e02
                    Extra: Last beacon: 3884ms ago
                    IE: Unknown: 000B7769666932303935626973
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030109
                    IE: Unknown: 050400010000
                    IE: Unknown: 0706555320010B1E
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AAD011BFFFFFF0000000000000000000100000000000000000000
                    IE: Unknown: 3D16090C0600000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080100000000000040
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    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: DD0E0050F204104A0001101044000102
          Cell 10 - Address: F4:28:53:86:44:78
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:on
                    ESSID:"buzz"
                    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=000002dbe7e4bcfc
                    Extra: Last beacon: 3844ms ago
                    IE: Unknown: 000462757A7A
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 03010A
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 2D1AEE1117FFFF000001000000000000000000000000000000000000
                    IE: Unknown: 3D160A070600000000000000000000000000000000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 7F09000000000000000000
                    IE: Unknown: 0B05030000127A
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: DD9D0050F204104A0001101044000102103B000103104700102880288028801880A880F428538644781021001852616C696E6B20546563686E6F6C6F67792C20436F72702E1023001C52616C696E6B20576972656C6573732041636365737320506F696E74102400065254323836301042000831323334353637381054000800060050F20400011011000952616C696E6B41505310080002008C103C000101
                    IE: Unknown: DD07000C4303000000
          Cell 11 - Address: 70:62:B8:B6:97:B1
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=25/70  Signal level=-85 dBm  
                    Encryption key:off
                    ESSID:"CHT Wi-Fi(HiNet)"
                    Bit Rates:11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000000fe37660bc
                    Extra: Last beacon: 3840ms ago
                    IE: Unknown: 00104348542057692D46692848694E657429
                    IE: Unknown: 0107969824B048606C
                    IE: Unknown: 03010A
                    IE: Unknown: 0706545720010B1E
                    IE: Unknown: 2A0100
                    IE: Unknown: 0B050000220000
                    IE: Unknown: 2D1AAD011BFEFF0000000000000000000080000000000406E6E70D00
                    IE: Unknown: 3D160A080000000000000000000000000000000000000000
                    IE: Unknown: DD180050F202010189000364000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
          Cell 12 - Address: 70:62:B8:B6:97:B3
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=25/70  Signal level=-85 dBm  
                    Encryption key:off
                    ESSID:".1.Free Wi-Fi"
                    Bit Rates:11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=0000000fe37605a1
                    Extra: Last beacon: 3836ms ago
                    IE: Unknown: 000D2E312E467265652057692D4669
                    IE: Unknown: 0107969824B048606C
                    IE: Unknown: 03010A
                    IE: Unknown: 0706545720010B1E
                    IE: Unknown: 2A0100
                    IE: Unknown: 0B050000250000
                    IE: Unknown: 2D1AAD011BFEFF0000000000000000000080000000000406E6E70D00
                    IE: Unknown: 3D160A080000000000000000000000000000000000000000
                    IE: Unknown: DD180050F202010189000364000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
          Cell 13 - Address: 6C:19:8F:B9:20:56
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=21/70  Signal level=-89 dBm  
                    Encryption key:on
                    ESSID:"dlink-2056"
                    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=000000084460317e
                    Extra: Last beacon: 3820ms ago
                    IE: Unknown: 000A646C696E6B2D32303536
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 05040001000C
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A2D181FFFFF000000000000000000000000000000001804810000
                    IE: Unknown: 3D160B000100000000000000000000000000000000000000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD1E00904C332D181FFFFF000000000000000000000000000000001804810000
                    IE: Unknown: DD1A00904C340B000100000000000000000000000000000000000000
                    IE: Unknown: DD0600E04C020160
                    IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
          Cell 14 - Address: 00:FC:8D:D3:2E:A8
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=21/70  Signal level=-89 dBm  
                    Encryption key:on
                    ESSID:"HITRON-93-6"
                    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=00000c321a09d158
                    Extra: Last beacon: 3808ms ago
                    IE: Unknown: 000B484954524F4E2D39332D36
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 03010B
                    IE: Unknown: 32040C183060
                    IE: Unknown: 0706555320010B14
                    IE: Unknown: 33082001020304050607
                    IE: Unknown: 33082105060708090A0B
                    IE: Unknown: 050400010008
                    IE: Unknown: 2A0104
                    IE: Unknown: 2D1A6C0017FFFF0000000000000000000000000000000C0000000000
                    IE: Unknown: 3D160B000400000000000000000000000000000000000000
                    IE: Unknown: 7F0101
                    IE: WPA Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B0501001D127A
                    IE: Unknown: DD07000C4304000000
          Cell 15 - Address: 90:3A:72:23:FB:3C
                    Channel:104
                    Frequency:5.52 GHz (Channel 104)
                    Quality=22/70  Signal level=-88 dBm  
                    Encryption key:off
                    ESSID:"TPE-Free"
                    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=00000972d09e4a45
                    Extra: Last beacon: 2068ms ago
                    IE: Unknown: 00085450452D46726565
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 030168
                    IE: Unknown: 070C545720340417640A1E950424
                    IE: Unknown: DD180050F2020101860003A4000027A4000042435E0062322F00
                    IE: Unknown: 4605FE00000000
                    IE: Unknown: 2D1AEF191FFFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D1668070000000000000000000000000000000000000000
                    IE: Unknown: 0B050000010000
                    IE: Unknown: 7F080000080000000040
                    IE: Unknown: BF0CB2698A23EAFF0000EAFF0000
                    IE: Unknown: C005016A00FCFF
                    IE: Unknown: C30502C4C4C40D
                    IE: Unknown: DD080013920100010515
          Cell 16 - Address: 88:36:6C:6F:03:BE
                    Channel:149
                    Frequency:5.745 GHz
                    Quality=21/70  Signal level=-89 dBm  
                    Encryption key:on
                    ESSID:"IP5G_cherish"
                    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=00000474958d75f7
                    Extra: Last beacon: 600ms ago
                    IE: Unknown: 000C495035475F63686572697368
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 030195
                    IE: Unknown: 3C04011A9509
                    IE: Unknown: 2D1A6E0016FF000000010000000000000000000000000C0000000000
                    IE: Unknown: 3D1695050000000000000000000000000000000000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B05000001127A
                    IE: Unknown: DD07000C4307000000
                    IE: Unknown: 0706555320241A10
                    IE: Unknown: BF0C2000C031FEFF2401FEFF2401
                    IE: Unknown: C005019B00FEFF
                    IE: Unknown: DD9D0050F204104A0001101044000102103B00010310470010BC329E001DD811B2860188366C6F03BE1021001852616C696E6B20546563686E6F6C6F67792C20436F72702E1023001C52616C696E6B20576972656C6573732041636365737320506F696E74102400065254323836301042000831323334353637381054000800060050F20400011011000952616C696E6B41505310080002008C103C000102
          Cell 17 - Address: 70:62:B8:B6:97:C3
                    Channel:157
                    Frequency:5.785 GHz
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:off
                    ESSID:".1.Free Wi-Fi"
                    Bit Rates:12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s
                              54 Mb/s
                    Mode:Master
                    Extra:tsf=0000000fe398b03b
                    Extra: Last beacon: 260ms ago
                    IE: Unknown: 000D2E312E467265652057692D4669
                    IE: Unknown: 01069824B048606C
                    IE: Unknown: 03019D
                    IE: Unknown: 050400010000
                    IE: Unknown: 07365457203401113801113C011140011164011E68011E6C011E70011E74011E84011E88011E8C011E95011E99011E9D011EA1011EA5011E
                    IE: Unknown: 200100
                    IE: Unknown: 0B050000020000
                    IE: Unknown: 2D1AEF0103FEFF0000000000000000000080000000000406E6E70D00
                    IE: Unknown: 3D169D0D0000000000000000000000000000000000000000
                    IE: Unknown: DD180050F202010188000364000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
          Cell 18 - Address: F0:9F:C2:A2:AA:F7
                    Channel:161
                    Frequency:5.805 GHz
                    Quality=28/70  Signal level=-82 dBm  
                    Encryption key:on
                    ESSID:"CHENG"
                    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=000000eab7838f2c
                    Extra: Last beacon: 244ms ago
                    IE: Unknown: 00054348454E47
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 0301A1
                    IE: Unknown: 070A55532024041E95051E00
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 3B028000
                    IE: Unknown: 2D1AEF091BFFFFFF0000000000000000000100000000000000000000
                    IE: Unknown: 3D16A1070400000000000000000000000000000000000000
                    IE: Unknown: 7F080400000200000040
                    IE: Unknown: BF0CB2008033EAFF0000EAFF0000
                    IE: Unknown: C005019B00FCFF
                    IE: Unknown: C304023C3C3C
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD750050F204104A0001101044000102103B00010310470010CBFF51AB7DFA48F0BFA78A0AF1A73EDB1021000F7777772E616D706C6966692E636F6D1023000120102400012010420001201054000800060050F204000110110007416D706C696669100800020000103C0001021049000600372A000120
                    IE: Unknown: DD0544D9E74186


>>    uname -r -m 

5.4.0-29-generic x86_64

>>    cat /etc/network/interfaces 


>>    nm-tool 


>>    nmcli dev wifi 

IN-USE  BSSID              SSID                MODE   CHAN  RATE        SIGNAL  BARS  SECURITY  
        30:B7:D4:5D:9B:98  wifi_lep            Infra  6     195 Mbit/s  100     ▂▄▆█  WPA2      
*       D8:0D:17:56:86:75  wifi_lep_2          Infra  6     130 Mbit/s  84      ▂▄▆█  WPA1 WPA2 
        5C:F4:AB:86:A4:97  Daniel              Infra  1     130 Mbit/s  60      ▂▄▆_  WPA2      
        AC:F1:DF:14:0C:ED  cherish             Infra  6     130 Mbit/s  57      ▂▄▆_  WPA1 WPA2 
        AC:F1:DF:14:FB:BC  WIFI1234            Infra  1     130 Mbit/s  49      ▂▄__  WPA2      
        F4:28:53:88:46:F0  GeniusNetworkB      Infra  8     130 Mbit/s  39      ▂▄__  WPA2      
        08:62:66:8D:5F:90  orangefarm NETFLIX  Infra  6     195 Mbit/s  37      ▂▄__  WPA1 WPA2 
        F4:28:53:86:44:78  buzz                Infra  10    270 Mbit/s  34      ▂▄__  WPA2      
        70:62:B8:B6:97:C3  .1.Free Wi-Fi       Infra  157   270 Mbit/s  34      ▂▄__  --        
        10:BE:F5:23:14:5C  dlink-145C          Infra  1     270 Mbit/s  30      ▂___  WPA1 WPA2 
        F0:9F:C2:A2:AA:F7  CHENG               Infra  161   405 Mbit/s  30      ▂___  WPA2      
        A4:2B:B0:E6:6E:38  wifi2095bis         Infra  9     195 Mbit/s  27      ▂___  WPA1 WPA2 
        70:62:B8:B6:97:B1  CHT Wi-Fi(HiNet)    Infra  10    130 Mbit/s  25      ▂___  --        
        70:62:B8:B6:97:B3  .1.Free Wi-Fi       Infra  10    130 Mbit/s  25      ▂___  --        
        90:3A:72:23:FB:3C  TPE-Free            Infra  104   405 Mbit/s  20      ▂___  --        
        6C:19:8F:B9:20:56  dlink-2056          Infra  11    130 Mbit/s  19      ▂___  WPA1 WPA2 
        00:FC:8D:D3:2E:A8  HITRON-93-6         Infra  11    130 Mbit/s  19      ▂___  WPA1 WPA2 
        88:36:6C:6F:03:BE  IP5G_cherish        Infra  149   135 Mbit/s  19      ▂___  WPA2      

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

NAME                 UUID                                  TYPE      DEVICE 
wifi_lep_2           0503b5ba-3ea5-4a0a-b6ea-3cb9879fb906  wifi      wlp2s0 
Connexion filaire 1  283840ec-a725-31cd-a748-638c9595adbb  ethernet  --     
wifi_lep             37bb0269-e767-47cc-80c4-03c7e5b7ab84  wifi      --     

>>    nmcli connection status 


>>    sudo rfkill list 

1: dell-wifi: Wireless LAN
	Soft blocked: no
	Hard blocked: no
2: dell-bluetooth: Bluetooth
	Soft blocked: no
	Hard blocked: no
4: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
5: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

Dernière modification par kirikou38 (Le 21/05/2020, à 15:19)

Hors ligne

#2 Le 19/05/2020, à 15:58

xubu1957

Re : [Résolu] wifi ne fonctionne plus après installation 20.04

Bonjour,

nmcli dev wifi 

IN-USE  BSSID              SSID                MODE   CHAN  RATE        SIGNAL  BARS  SECURITY  
        30:B7:D4:5D:9B:98  wifi_lep            Infra  6     195 Mbit/s  100     ▂▄▆█  WPA2      
*       D8:0D:17:56:86:75  wifi_lep_2          Infra  6     130 Mbit/s  84      ▂▄▆█  WPA1 WPA2 

La Box repérée est celle avec l'astérisque *.

Il faut mettre un seul chiffrement WPA2, comme indiqué au § 1 > [Tuto] Pas de Wi-fi ? Eléments importants à vérifier.


Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Résolu] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci.                   Membre de Linux-Azur

En ligne

#3 Le 21/05/2020, à 14:51

kirikou38

Re : [Résolu] wifi ne fonctionne plus après installation 20.04

Bonjour et merci beaucoup pour la réponse.
J'avais en effet vu cette info sur le tuto mais je parviens bien à me connecter au réseau repéré avec l'astérisque (qui est en fait un extenseur wifi du réseau wifi_lep). Je ne parviens pas à me connecter au réseau wifi_lep, qui est celui de la box.
Merci.

Hors ligne

#4 Le 21/05/2020, à 14:58

xubu1957

Re : [Résolu] wifi ne fonctionne plus après installation 20.04

Bonjour,

Tente cette commande :

Le 01/05/2014, ytreza a écrit :

Bonjour !
Merci Toutafai !
J'ai enfin résolu le problème à l'aide de Varunendra sur le forum anglophone. Tu étais très proche de la solution, il fallait finalement remplacer le contenu du fichier (et pas ajouter à la fin comme je l'ai fait). Et il fallait aussi modifier un paramètre concernant l'utilisation simultanée du Wifi et du Bluetooth dans mon cas. Voici la manipulation exacte que j’ai utilisée :

echo "options iwlwifi bt_coex_active=N swcrypto=1 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf

A priori, le paramètre "swcrypto" ne semble avoir aucune incidence sur ma connexion, mais je le laisse par simple précaution.
Le détails des options est expliqué très clairement ici (en anglais) : http://ubuntuforums.org/showpost.php?p=12943350
...
Merci encore pour toute ton aide ! smile

dans  [Résolu] Wifi instable Ubuntu 14.04 Intel Wireless-N 1030

et le 10/12/2019, dans > Gestion pilote wifi Intel AC 7260 [RESOLU]


Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Résolu] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci.                   Membre de Linux-Azur

En ligne

#5 Le 21/05/2020, à 15:18

kirikou38

Re : [Résolu] wifi ne fonctionne plus après installation 20.04

ça a fonctionné, un grand merci xubu1957 !
Je passe le sujet en [Résolu].

Hors ligne