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#1 Le 03/11/2018, à 15:04

Maïeul

Wifi qui se coupe régulièrement

Bonjour,

depuis que je suis passé à Ubuntu 18.04 TLS (clean install), le connexion avec le routeur wifi de mon appartement est intermittent : régulièrement (> 3 fois / jours) je ne recois / n'emet plus rien (syndromes typique : chat qui s'interrompt, mails qui partent pas, vidéo qui ne chargent plus etc.)

J'éteint le wifi de mon ordi et rallume, me reconnecte au routeur et ca repart.
Précision:
- cela n'arrive pas sur le wifi de mon université
- ma collocataire qui est sous mac n'a pas ce problème.

Voici le résultat du wificheck

>>    cat /etc/lsb-release 

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"

>>    lsusb 

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0c45:670c Microdia 
Bus 001 Device 003: ID 04f3:2234 Elan Microelectronics Corp. 
Bus 001 Device 002: ID 0cf3:e300 Atheros Communications, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

>>    lspci -k -nn | grep -A 3 -i net 

3a:00.0 Network controller [0280]: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter [168c:003e] (rev 32)
	Subsystem: Bigfoot Networks, Inc. QCA6174 802.11ac Wireless Network Adapter [1a56:1535]
	Kernel driver in use: ath10k_pci
	Kernel modules: ath10k_pci
3b:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader [10ec:525a] (rev 01)

>>    sudo lshw -C network 

  *-network
       description: Interface réseau sans fil
       produit: QCA6174 802.11ac Wireless Network Adapter
       fabriquant: Qualcomm Atheros
       identifiant matériel: 0
       information bus: pci@0000:3a:00.0
       nom logique: wlp58s0
       version: 32
       numéro de série: 9c:b6:d0:ee:ce:cb
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=ath10k_pci driverversion=4.15.0-38-generic firmware=WLAN.RM.4.4.1-00079-QCARMSWPZ-1 ip=192.168.1.76 latency=0 link=yes multicast=yes wireless=IEEE 802.11
       ressources: irq:134 mémoire:dc000000-dc1fffff

>>    lsmod 

Module                  Size  Used by
msr                    16384  0
thunderbolt           122880  0
pci_stub               16384  1
vboxpci                24576  0
vboxnetadp             28672  0
vboxnetflt             28672  0
uvcvideo               86016  0
vboxdrv               471040  3 vboxpci,vboxnetadp,vboxnetflt
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         24576  1 uvcvideo
videobuf2_core         40960  2 videobuf2_v4l2,uvcvideo
videodev              184320  3 videobuf2_core,videobuf2_v4l2,uvcvideo
btusb                  45056  0
btrtl                  16384  1 btusb
media                  40960  2 videodev,uvcvideo
btbcm                  16384  1 btusb
btintel                16384  1 btusb
arc4                   16384  2
bluetooth             548864  5 btrtl,btintel,btbcm,btusb
ecdh_generic           24576  1 bluetooth
nls_iso8859_1          16384  1
snd_hda_codec_hdmi     49152  1
ip6t_REJECT            16384  1
nf_reject_ipv6         16384  1 ip6t_REJECT
nf_log_ipv6            16384  5
hid_multitouch         20480  0
snd_soc_skl            90112  0
snd_soc_skl_ipc        65536  1 snd_soc_skl
xt_hl                  16384  22
ip6t_rt                16384  3
snd_hda_ext_core       24576  1 snd_soc_skl
snd_soc_sst_dsp        32768  1 snd_soc_skl_ipc
snd_soc_sst_ipc        16384  1 snd_soc_skl_ipc
intel_rapl             20480  0
snd_hda_codec_realtek   106496  1
dell_laptop            20480  0
snd_soc_acpi           16384  1 snd_soc_skl
snd_hda_codec_generic    73728  1 snd_hda_codec_realtek
x86_pkg_temp_thermal    16384  0
intel_powerclamp       16384  0
coretemp               16384  0
dell_smbios_smm        16384  0
snd_soc_core          241664  1 snd_soc_skl
kvm_intel             212992  0
snd_compress           20480  1 snd_soc_core
ac97_bus               16384  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
dcdbas                 16384  1 dell_smbios_smm
snd_hda_intel          40960  6
kvm                   598016  1 kvm_intel
irqbypass              16384  1 kvm
snd_hda_codec         126976  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core           81920  7 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek,snd_soc_skl
snd_hwdep              20480  1 snd_hda_codec
crct10dif_pclmul       16384  0
crc32_pclmul           16384  0
snd_pcm                98304  8 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
ghash_clmulni_intel    16384  0
pcbc                   16384  0
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
nf_conntrack_ipv6      20480  8
snd_rawmidi            32768  1 snd_seq_midi
nf_defrag_ipv6         36864  1 nf_conntrack_ipv6
aesni_intel           188416  1
ipt_REJECT             16384  1
nf_reject_ipv4         16384  1 ipt_REJECT
aes_x86_64             20480  1 aesni_intel
nf_log_ipv4            16384  5
crypto_simd            16384  1 aesni_intel
glue_helper            16384  1 aesni_intel
cryptd                 24576  3 crypto_simd,ghash_clmulni_intel,aesni_intel
snd_seq                65536  2 snd_seq_midi,snd_seq_midi_event
nf_log_common          16384  2 nf_log_ipv4,nf_log_ipv6
intel_cstate           20480  0
xt_LOG                 16384  10
intel_rapl_perf        16384  0
xt_limit               16384  13
ath10k_pci             45056  0
xt_tcpudp              16384  18
ath10k_core           360448  1 ath10k_pci
xt_addrtype            16384  4
snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer              32768  2 snd_seq,snd_pcm
ath                    28672  1 ath10k_core
dell_smbios_wmi        16384  0
mac80211              778240  1 ath10k_core
dell_wmi               16384  0
snd                    81920  25 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
dell_smbios            16384  4 dell_wmi,dell_laptop,dell_smbios_wmi,dell_smbios_smm
wmi_bmof               16384  0
dell_wmi_descriptor    16384  2 dell_wmi,dell_smbios_wmi
intel_wmi_thunderbolt    16384  0
idma64                 20480  0
joydev                 24576  0
input_leds             16384  0
serio_raw              16384  0
virt_dma               16384  1 idma64
soundcore              16384  1 snd
rtsx_pci_ms            20480  0
cfg80211              622592  3 ath,mac80211,ath10k_core
memstick               16384  1 rtsx_pci_ms
intel_lpss_pci         20480  0
mei_me                 40960  0
mei                    90112  1 mei_me
intel_lpss             16384  1 intel_lpss_pci
processor_thermal_device    16384  0
intel_soc_dts_iosf     16384  1 processor_thermal_device
intel_pch_thermal      16384  0
shpchp                 36864  0
intel_vbtn             16384  0
soc_button_array       16384  0
nf_conntrack_ipv4      16384  8
nf_defrag_ipv4         16384  1 nf_conntrack_ipv4
xt_conntrack           16384  16
int3403_thermal        16384  0
int340x_thermal_zone    16384  2 int3403_thermal,processor_thermal_device
intel_hid              16384  0
int3400_thermal        16384  0
acpi_thermal_rel       16384  1 int3400_thermal
sparse_keymap          16384  3 intel_hid,dell_wmi,intel_vbtn
mac_hid                16384  0
acpi_pad              180224  0
ip6table_filter        16384  1
ip6_tables             28672  1 ip6table_filter
nf_conntrack_netbios_ns    16384  0
nf_conntrack_broadcast    16384  1 nf_conntrack_netbios_ns
nf_nat_ftp             16384  0
nf_nat                 32768  1 nf_nat_ftp
nf_conntrack_ftp       20480  1 nf_nat_ftp
nf_conntrack          131072  8 xt_conntrack,nf_conntrack_ipv6,nf_conntrack_ipv4,nf_nat,nf_nat_ftp,nf_conntrack_netbios_ns,nf_conntrack_broadcast,nf_conntrack_ftp
libcrc32c              16384  2 nf_conntrack,nf_nat
sch_fq_codel           20480  5
parport_pc             36864  0
iptable_filter         16384  1
ppdev                  20480  0
lp                     20480  0
parport                49152  3 parport_pc,lp,ppdev
ip_tables              28672  1 iptable_filter
x_tables               40960  13 ip6table_filter,xt_conntrack,iptable_filter,xt_LOG,xt_tcpudp,xt_addrtype,ip6t_rt,ip6_tables,ipt_REJECT,ip_tables,xt_limit,xt_hl,ip6t_REJECT
autofs4                40960  2
usbhid                 49152  0
i915                 1617920  47
rtsx_pci_sdmmc         24576  0
i2c_algo_bit           16384  1 i915
drm_kms_helper        172032  1 i915
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
nvme                   32768  0
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
psmouse               147456  0
drm                   401408  19 drm_kms_helper,i915
rtsx_pci               65536  2 rtsx_pci_sdmmc,rtsx_pci_ms
nvme_core              61440  4 nvme
i2c_hid                20480  0
wmi                    24576  5 intel_wmi_thunderbolt,dell_wmi,wmi_bmof,dell_wmi_descriptor,dell_smbios_wmi
hid                   118784  3 i2c_hid,usbhid,hid_multitouch
video                  45056  3 dell_wmi,dell_laptop,i915
pinctrl_sunrisepoint    28672  0
>>    iwconfig 

wlp58s0   IEEE 802.11  ESSID:"Thomson994ED0"  
          Mode:Managed  Frequency:2.412 GHz  Access Point: 00:24:17:44:70:FB   
          Bit Rate=1 Mb/s   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=47/70  Signal level=-63 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:91   Missed beacon:0


>>    ifconfig -a 

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 11567  bytes 810925 (810.9 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 11567  bytes 810925 (810.9 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlp58s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.76  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::23e0:17fb:a528:ef73  prefixlen 64  scopeid 0x20<link>
        ether 9c:b6:d0:ee:ce:cb  txqueuelen 1000  (Ethernet)
        RX packets 104465  bytes 105495080 (105.4 MB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 84937  bytes 14438836 (14.4 MB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


>>    sudo iwlist scan 

wlp58s0   Scan completed :
          Cell 01 - Address: 00:24:17:44:70:FB
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=46/70  Signal level=-64 dBm  
                    Encryption key:on
                    ESSID:"Thomson994ED0"
                    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=0000000c272e849b
                    Extra: Last beacon: 488ms ago
                    IE: Unknown: 000D54686F6D736F6E393934454430
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180202F0000000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101880003A4000027A4000042435E0062322F00
          Cell 02 - Address: 5C:49:79:3C:62:AD
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=55/70  Signal level=-55 dBm  
                    Encryption key:on
                    ESSID:"FRITZ!Box 7490"
                    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=000000001fa849d6
                    Extra: Last beacon: 6896ms ago
                    IE: Unknown: 000E465249545A21426F782037343930
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030101
                    IE: Unknown: 0706444520010D14
                    IE: Unknown: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1AEF111BFFFFFF00000000000000000001000000000406E6470D00
                    IE: Unknown: 3D1601000500000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080100000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: Unknown: DD0C00040E010102010000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD6F0050F204104A0001101044000102103B000103104700104E05EE7AF02CFDC3AC015C49793C62AD1021000341564D1023000446426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800022388103C0001031049000600372A000120
          Cell 03 - Address: D4:D1:84:54:4F:B5
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=48/70  Signal level=-62 dBm  
                    Encryption key:on
                    ESSID:"vis-23513"
                    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=00000036a7ee54fc
                    Extra: Last beacon: 6264ms ago
                    IE: Unknown: 00097669732D3233353133
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 0706434820010D14
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 2D1A7C181BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606080000000000000000000000000000000000000000
                    IE: Unknown: DD8A0050F204104A00011010440001021041000100103B0001031047001014D65EAA38955B83BE23078F6C9A2AA31021000B506972656C6C692042425310230007563232364E31571024000D333336303249303038343632351042000D333336303249303038343632351054000800060013C804000110110007563232364E3157100800020080103C000101
                    IE: Unknown: DD090010180200F02C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 04 - Address: E4:3E:D7:43:0D:25
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=34/70  Signal level=-76 dBm  
                    Encryption key:on
                    ESSID:"ghl-82640"
                    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=000000735f286187
                    Extra: Last beacon: 5556ms ago
                    IE: Unknown: 000967686C2D3832363430
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 0706444520010D14
                    IE: Unknown: 2A0100
                    IE: Unknown: 32040C121860
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0500005B0000
                    IE: Unknown: 2D1AB0091BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160B080000000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080500080000000040
                    IE: Unknown: DD9B0050F204104A0001101044000102103B00010310470010534241535245F241FE5240435342415310210008417263616479616E10230006534C542D303010240003322E3410420010322E34543136333341303130373735391054000800060050F20400011011001E5377697373636F6D20496E7465726E65742D426F78207374616E64617264100800020006103C0001031049000600372A000120
                    IE: Unknown: DD090010180200001C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 05 - Address: E4:3E:D7:43:0D:36
                    Channel:36
                    Frequency:5.18 GHz (Channel 36)
                    Quality=26/70  Signal level=-84 dBm  
                    Encryption key:on
                    ESSID:"ghl-82640"
                    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=000000735f04103f
                    Extra: Last beacon: 5332ms ago
                    IE: Unknown: 000967686C2D3832363430
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 050401030000
                    IE: Unknown: 07344445202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E74011E84011E88011E8C011E00
                    IE: Unknown: 200100
                    IE: Unknown: 23021000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B050200170000
                    IE: Unknown: 2D1AEF0917FFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D16240D0400000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080500080000000040
                    IE: Unknown: BF0CB259820FEAFF0000EAFF0000
                    IE: Unknown: C005012A000000
                    IE: Unknown: C30402020202
                    IE: Unknown: DD530050F204104A000110104400010210470010534241535245F241FE52404353424153103C0001031011001E5377697373636F6D20496E7465726E65742D426F78207374616E646172641049000600372A000120
                    IE: Unknown: DD090010180202009C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 06 - Address: 5C:49:79:3C:62:AE
                    Channel:44
                    Frequency:5.22 GHz (Channel 44)
                    Quality=47/70  Signal level=-63 dBm  
                    Encryption key:on
                    ESSID:"FRITZ!Box 7490"
                    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=0000003abaab0e70
                    Extra: Last beacon: 4844ms ago
                    IE: Unknown: 000E465249545A21426F782037343930
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 03012C
                    IE: Unknown: 073C4445202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E74011E78011E7C011E80011E84011E88011E8C011E
                    IE: Unknown: 200103
                    IE: Unknown: 2D1AEF111BFFFFFF0000000000000000000100000000000000000000
                    IE: Unknown: 3D162C0D0400000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: BF0CB2018033EAFF0000EAFF0000
                    IE: Unknown: C005012A00FCFF
                    IE: Unknown: C30402D2D2D2
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: Unknown: DD0C00040E010102010000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD6F0050F204104A0001101044000102103B000103104700104E05EE7AF02CFDC3AC015C49793C62AD1021000341564D1023000446426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800022388103C0001031049000600372A000120
          Cell 07 - Address: D4:63:FE:1B:0F:80
                    Channel:52
                    Frequency:5.26 GHz (Channel 52)
                    Quality=24/70  Signal level=-86 dBm  
                    Encryption key:on
                    ESSID:"bua-84233"
                    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=000001feeae2a03d
                    Extra: Last beacon: 4504ms ago
                    IE: Unknown: 00096275612D3834323333
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 050402030000
                    IE: Unknown: 07344445202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E74011E84011E88011E8C011E00
                    IE: Unknown: 200100
                    IE: Unknown: 23021400
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B050100010000
                    IE: Unknown: 2D1AEF0917FFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D16340D0400000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080500080000000040
                    IE: Unknown: BF0CB259820FEAFF0000EAFF0000
                    IE: Unknown: C005013A000000
                    IE: Unknown: C30402020202
                    IE: Unknown: DD530050F204104A000110104400010210470010524244415453FF50FE54445452424441103C0001031011001E5377697373636F6D20496E7465726E65742D426F78207374616E646172641049000600372A000120
                    IE: Unknown: DD090010180201009C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 08 - Address: 88:41:FC:DB:5D:E1
                    Channel:100
                    Frequency:5.5 GHz (Channel 100)
                    Quality=37/70  Signal level=-73 dBm  
                    Encryption key:on
                    ESSID:""
                    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=0000067507365c0f
                    Extra: Last beacon: 3692ms ago
                    IE: Unknown: 0000
                    IE: Unknown: 01088C1298243048606C
                    IE: Unknown: 030164
                    IE: Unknown: 051300030000000000000000000000000000000000
                    IE: Unknown: 07284348202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E00
                    IE: Unknown: 200100
                    IE: Unknown: 2A0100
                    IE: Unknown: 2D1A6F0817FFFFFFFFFEFFFFFFFF1F000001000000000018E6E71900
                    IE: Unknown: 3D16640D0000000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: BF0C3258C33FAAFF0000AAFF0000
                    IE: Unknown: C005016A00FFFC
                    IE: Unknown: DD0A002686010300DD000000
                    IE: Unknown: DD37001CA837014169723438323053570000007168733834300000000054575F302E3200000000312E31322E322E382E313534000200000003
                    IE: Unknown: DD0B001CA8500103C98CC2E06A
                    IE: Unknown: DD5F0050F204104A00011010440001021047001064679337073285A1B4C52514D7EE5F4F103C0001021049000E00372A0001200106FFFFFFFFFFFF10490022007FC510001806BA9F1A9681BB49BCF5C57330F6B416303030303030343230000101
          Cell 09 - Address: 88:41:FC:DB:5D:DF
                    Channel:100
                    Frequency:5.5 GHz (Channel 100)
                    Quality=24/70  Signal level=-86 dBm  
                    Encryption key:on
                    ESSID:""
                    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=000008df0f052c10
                    Extra: Last beacon: 3672ms ago
                    IE: Unknown: 0000
                    IE: Unknown: 01088C1298243048606C
                    IE: Unknown: 030164
                    IE: Unknown: 051300030000000000000000000000000000000000
                    IE: Unknown: 07284348202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E00
                    IE: Unknown: 200100
                    IE: Unknown: 2A0100
                    IE: Unknown: 2D1A6F0817FFFFFFFFFEFFFFFFFF1F000001000000000018E6E71900
                    IE: Unknown: 3D16640D0000000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: BF0C3258C33FAAFF0000AAFF0000
                    IE: Unknown: C005016A00FFFC
                    IE: Unknown: DD0A002686010300DD000000
                    IE: Unknown: DD37001CA837014169723438323053570000007168733834300000000054575F302E3200000000312E31322E322E382E313534000200000003
                    IE: Unknown: DD0B001CA8500103C98CC2E06A
                    IE: Unknown: DD5F0050F204104A0001101044000102104700104D81C65AAA59D082EB3795C718E800C2103C0001021049000E00372A0001200106FFFFFFFFFFFF10490022007FC510001806BA9F1A9681BB49BCF5C57330F6B416303030303030343230000101
          Cell 10 - Address: 88:41:FC:C9:8C:C2
                    Channel:100
                    Frequency:5.5 GHz (Channel 100)
                    Quality=34/70  Signal level=-76 dBm  
                    Encryption key:on
                    ESSID:""
                    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=00000265a8bb5005
                    Extra: Last beacon: 3660ms ago
                    IE: Unknown: 0000
                    IE: Unknown: 01088C1298243048606C
                    IE: Unknown: 030164
                    IE: Unknown: 051302030000000000000000000000000000000000
                    IE: Unknown: 07284348202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E00
                    IE: Unknown: 200100
                    IE: Unknown: 2A0100
                    IE: Unknown: 2D1A6F0817FFFFFFFFFEFFFFFFFF1F000001000000000018E6E71900
                    IE: Unknown: 3D16640D0000000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F20201010100046400002586000044645E0063532F00
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: BF0C3258C33FAAFF0000AAFF0000
                    IE: Unknown: C005016A00FFFC
                    IE: Unknown: DD0A002686010300DD000000
                    IE: Unknown: DD37001CA837014169723438323053570000007168733834300000000054575F302E3200000000312E31322E322E35382E3437000200000003
                    IE: Unknown: DD0B001CA8500103C98CC2E06A
                    IE: Unknown: DD5F0050F204104A000110104400010210470010774059A42A34CFA4972984FAB62E4D22103C0001021049000E00372A0001200106FFFFFFFFFFFF10490022007FC510001806BA9F1A9681BB49BCF5C57330F6B416303030303030343230000101
          Cell 11 - Address: 8E:04:FF:13:D1:9F
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=27/70  Signal level=-83 dBm  
                    Encryption key:on
                    ESSID:"UPC Wi-Free"
                    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=0000000e63e8edb2
                    Extra: Last beacon: 5928ms ago
                    IE: Unknown: 000B5550432057692D46726565
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 32040C121860
                    IE: Unknown: 0B050000440000
                    IE: Unknown: 2D1A3C191BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: 7F080400080000000040
                    IE: Unknown: DD090010180200000C0000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 46057208010000
          Cell 12 - Address: AC:22:05:B5:7D:C7
                    Channel:100
                    Frequency:5.5 GHz (Channel 100)
                    Quality=26/70  Signal level=-84 dBm  
                    Encryption key:on
                    ESSID:"UPC4997132"
                    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=000000dab47a0006
                    Extra: Last beacon: 3608ms ago
                    IE: Unknown: 000A55504334393937313332
                    IE: Unknown: 01088C129824B048606C
                    IE: Unknown: 030164
                    IE: Unknown: 050400010000
                    IE: Unknown: 200103
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A7F0017FFFFFF0001000000000000000000000000001FFF071800
                    IE: Unknown: 3D1664050000000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: BF0C30798233EAFF0000EAFF0000
                    IE: Unknown: C005016A00C0FF
                    IE: Unknown: C30402121212
                    IE: Unknown: DD1E00904C337E0017FFFFFF0001000000000000000000000000001FFF071800
                    IE: Unknown: DD1A00904C3464050000000000000000000000000000000000000000
                    IE: Unknown: DD06005043030000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
          Cell 13 - Address: 8C:04:FF:13:D1:9D
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=24/70  Signal level=-86 dBm  
                    Encryption key:on
                    ESSID:"UPC1386062"
                    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=0000000e63e8d495
                    Extra: Last beacon: 5928ms ago
                    IE: Unknown: 000A55504331333836303632
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    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: 0B050200440000
                    IE: Unknown: 2D1A3C191BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D160B080400000000000000000000000000000000000000
                    IE: Unknown: 7F080400080000000040
                    IE: Unknown: DD090010180202000C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 46057208010000
          Cell 14 - Address: AC:22:05:B5:7D:D5
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=23/70  Signal level=-87 dBm  
                    Encryption key:on
                    ESSID:"UPC4997132"
                    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=000000dab95f9f76
                    Extra: Last beacon: 14008ms ago
                    IE: Unknown: 000A55504334393937313332
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 0706455520010D14
                    IE: Unknown: 2D1AAC0117FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601000400000000000000000000000000000000000000
                    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: 7F080100000000000000
                    IE: Unknown: 0B0501004A127A
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 7F080100000000000000
                    IE: Unknown: 0706455520010D10
                    IE: Unknown: DDA70050F204104A0001101044000102103B000103104700107D99E5001DD211B286013049A01A3F491021001852616C696E6B20546563686E6F6C6F67792C20436F72702E1023001C52616C696E6B20576972656C6573732041636365737320506F696E74102400065254323836301042000831323334353637381054000800060050F20400011011000952616C696E6B415053100800020000103C0001011049000600372A000120
                    IE: Unknown: DD07000C4300000000
          Cell 15 - Address: AE:22:15:B5:7D:D5
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=26/70  Signal level=-84 dBm  
                    Encryption key:on
                    ESSID:"UPC Wi-Free"
                    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=000000dab95fc886
                    Extra: Last beacon: 14000ms ago
                    IE: Unknown: 000B5550432057692D46726565
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 0706455520010D14
                    IE: Unknown: 2D1AAC0117FFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601000400000000000000000000000000000000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 7F080100000000000000
                    IE: Unknown: 0B0501004A127A
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 7F080100000000000000
                    IE: Unknown: 0706455520010D10
                    IE: Unknown: DD07000C4300000000
          Cell 16 - Address: D4:63:FE:1B:0F:6F
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=31/70  Signal level=-79 dBm  
                    Encryption key:on
                    ESSID:"bua-84233"
                    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=000003a856290c04
                    Extra: Last beacon: 6348ms ago
                    IE: Unknown: 00096275612D3834323333
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 0706444520010D14
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C121860
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0502003D0000
                    IE: Unknown: 2D1ABC091BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606080400000000000000000000000000000000000000
                    IE: Unknown: 4A0E14000A002C01C800140005001900
                    IE: Unknown: 7F080500080000000040
                    IE: Unknown: DD9B0050F204104A0001101044000102103B00010310470010524244415453FF50FE5444545242444110210008417263616479616E10230006534C542D303010240003322E3410420010322E34543136303641303131313235331054000800060050F20400011011001E5377697373636F6D20496E7465726E65742D426F78207374616E64617264100800020006103C0001031049000600372A000120
                    IE: Unknown: DD090010180202001C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00


>>    uname -r -m 

4.15.0-38-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    
        FRITZ!Box 7490  Infra  1     405 Mo/s  75      ▂▄▆_  WPA2        
        vis-23513       Infra  6     130 Mo/s  64      ▂▄▆_  WPA1 WPA2   
        FRITZ!Box 7490  Infra  44    405 Mo/s  62      ▂▄▆_  WPA2        
*       Thomson994ED0   Infra  1     54 Mo/s   60      ▂▄▆_  WPA1        
        --              Infra  100   540 Mo/s  45      ▂▄__  WPA2        
        ghl-82640       Infra  11    130 Mo/s  40      ▂▄__  WPA1 WPA2   
        --              Infra  100   540 Mo/s  40      ▂▄__  WPA2        
        bua-84233       Infra  6     130 Mo/s  35      ▂▄__  WPA1 WPA2   
        UPC Wi-Free     Infra  11    130 Mo/s  29      ▂___  WPA2 802.1X 
        UPC Wi-Free     Infra  1     130 Mo/s  27      ▂___  WPA2 802.1X 
        ghl-82640       Infra  36    405 Mo/s  27      ▂___  WPA1 WPA2   
        UPC4997132      Infra  100   405 Mo/s  27      ▂___  WPA1 WPA2   
        UPC1386062      Infra  11    130 Mo/s  24      ▂___  WPA1 WPA2   
        bua-84233       Infra  52    405 Mo/s  24      ▂___  WPA1 WPA2   
        --              Infra  100   540 Mo/s  24      ▂___  WPA2        
        UPC4997132      Infra  1     130 Mo/s  22      ▂___  WPA1 WPA2   

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

NAME                            UUID                                  TYPE  DEVICE  
Thomson994ED0 2                 f0292d56-c308-497b-8df2-3d41154306b7  wifi  wlp58s0 
BNF                             a8c864d8-58ad-4c7a-b21e-f371ec37cb7c  wifi  --      
Bienvenue a Pole-Sud            1906b137-9046-4edc-be48-8606986a6db8  wifi  --      
Byzance                         eebf2c5f-1cb9-4f16-9cea-257691d05336  wifi  --      
CJBWIFI                         7ca36049-b4a2-4fe7-a462-950f3d0a03c8  wifi  --      
Caffe-Torino                    8dc04636-7a17-4ee8-a620-3a5dcae351c0  wifi  --      
Cigale                          8baca63e-bbaa-40ef-ae5b-be78cad9ec6c  wifi  --      
FLUCTUAT-CAFE                   d21cb0af-ef7a-4977-a5fd-0ab749862a87  wifi  --      
FRITZ!Box 7490                  2e165e04-b470-42de-a63d-30c2aa43da7d  wifi  --      
FreeWifi                        bb14affc-96c6-45a4-83b4-71b018a475bf  wifi  --      
Internet FCarminati             a3b1aeab-dcc1-4fdc-b5b0-309febaa4fe0  wifi  --      
KIOSK                           cbd9e656-7ef6-439b-b90e-38f5ce9b6eeb  wifi  --      
LE TITI PARISIEN                240994b1-3f3a-4283-81f3-17c8bffb7c80  wifi  --      
La Couronne d or                87c38daa-5fed-412f-a133-ac60763071b6  wifi  --      
Lausanne Freespot by Citycable  301d1515-5ef5-437a-b888-2f26bae433a1  wifi  --      
Le Pain Quotidien FR            768052ba-c673-4932-aa46-ad009c85d43c  wifi  --      
Livebox-6CF0                    22a5e16f-21ab-44c8-8e0f-5a4429bbad1e  wifi  --      
Livebox-B22C                    75e1e1f2-8782-481e-8110-d3846139098f  wifi  --      
ManorFreeWiFi                   678fc79e-2dbb-4545-bc77-223f229d78c1  wifi  --      
Marvell Micro AP                8cb9c0f4-acc2-4f7f-ba40-457b8907b8b7  wifi  --      
Minerva-5GHz                    a26c5810-e928-413c-858f-5c83838df023  wifi  --      
Octobre Rouge                   8f809f13-7057-4503-896c-b8f28d1b4b95  wifi  --      
Orange-7C45                     fb291820-541e-4274-b2a0-07091a94f6e6  wifi  --      
PARIS_WI-FI                     cec13859-8a4e-4819-90ab-091e4ee4c644  wifi  --      
Pole-Sud                        34bf623d-c13c-4c69-91ab-cf44c0a8f217  wifi  --      
Public                          f1b31453-6d4f-45b6-91a8-2efae62fa03e  wifi  --      
SBB-FREE                        8b89e7c1-72aa-4817-b4ef-abf1c941d38d  wifi  --      
SFR WiFi FON                    ab7e2ca1-6ccd-479e-8805-20177c1d8259  wifi  --      
Salon SNCF Grand Voyageur       fd8f63b9-f331-403d-9cf5-699dd322114b  wifi  --      
Sunrise_2.4GHz_35C910           6c492755-96b1-45a4-8c74-586265954090  wifi  --      
TJMS2                           feecac13-9705-46be-8bfd-ba105d7bfd4d  wifi  --      
Thomson994ED0                   e5afcc5c-2837-4017-b418-2f32752b83bb  wifi  --      
Thomson994ED0 1                 64933013-d047-4257-9e6a-04ee2fbd60d0  wifi  --      
UPC1386062                      11184cc5-35e1-4df3-8d90-516fb5851c56  wifi  --      
UPC4997132                      afa69e82-ca52-4e74-934c-3b7ebdec4e16  wifi  --      
UPC501095866                    cc98a997-1ad5-4d67-b69d-fdd7beccd556  wifi  --      
UPC7B33A47                      95ee91da-c1fe-47fe-9a11-21837e864ffe  wifi  --      
Uhomson994ED0                   3bab312b-0d55-4911-baec-1d7ab5b3fd1b  wifi  --      
VisiteurBellegarde              7114ccc0-bc65-4f98-9a73-228c22bc6112  wifi  --      
W                               0bed47b6-808e-40be-9bf9-36cba4cf4f35  wifi  --      
WIFIonICE                       c22b2040-46a2-46b9-8204-1875b54192d4  wifi  --      
Welcome                         048a3cb0-71e6-4595-a9c3-2bea1157970b  wifi  --      
Wifi Patient Haut Debit         d43e2a47-4943-4677-9768-3fc8058df675  wifi  --      
_SNCF gare-gratuit              35a7f89d-4cfd-4a13-aa99-703252041f2d  wifi  --      
_SNCF_WIFI_INOUI                4efdf43e-9c09-4b1e-bfc2-dc39b77ef587  wifi  --      
_WifiLib_HAUT_DEBIT_GRATUIT     f7cc795d-beb9-4047-89c5-1285cbc4765c  wifi  --      
bua-84233                       8f379de6-1e7b-4101-9def-de6d75a8ced8  wifi  --      
cafésimplon                     6969d35a-940a-41dc-aab4-ce5769d3eb32  wifi  --      
cafésimplon2                    756b77b0-680e-48a2-a2f8-2d2cffbe6c23  wifi  --      
clavatl4centro                  7a1570c8-62b4-4f5d-a8ea-e242af3d208d  wifi  --      
claviere.bandablu.it            1e2bd5e9-fbf6-4263-993f-17cf111a4204  wifi  --      
eduroam                         18d502e7-08cd-4e14-9112-9197088d1343  wifi  --      
eduroam 1                       8a5a7e20-0b56-4347-8a1d-87ec611f3bcf  wifi  --      
eduspot                         52789858-6494-4143-985f-c0c97a2456f8  wifi  --      
freewifi-epfl                   1ca76aea-31c3-440a-bf86-2169f600ec84  wifi  --      
ghl-82640                       e84cd962-8560-4d84-9496-38be92d7102c  wifi  --      
lolilol                         8150e822-0137-4360-a81d-d34c4f1583f0  wifi  --      
net+ Fon                        cd4ff22d-1006-441f-8f8b-047c14be8f7d  wifi  --      
orange                          7dc60206-ea70-4561-8c75-27ed76f086cf  wifi  --      
planetesciences0                ad4c5e47-4e1c-41d6-9dbf-b736e69b6323  wifi  --      
planetesciences2                79a7871a-a691-4710-b266-b28dd8c9b099  wifi  --      
planetesciences3                2ac25c59-a2d0-400f-9577-ceafe06c92b3  wifi  --      
public-epfl                     626836f4-15c8-4f7c-8c07-2a9918d3b096  wifi  --      
public-unil                     76358f91-d978-4449-b5f7-787f873f28c3  wifi  --      
secure-unil                     56be3319-a112-475a-b410-0f01ae9ee038  wifi  --      
uir-67248                       c7ee7ecd-0d32-4d68-89d7-108731219d02  wifi  --      
vis-23513                       6c705a7c-cc8c-4297-aa01-e2a790f774a1  wifi  --      

>>    nmcli connection status 


>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

Ubuntu 20.04 LTS
LaTeXien à mes heures perdues https://geekographie.maieul.net/95

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#2 Le 03/11/2018, à 16:10

bob_1973

Re : Wifi qui se coupe régulièrement

Bonjour,
J'ai également ce genre de problèmes. Au bout d'un certain temps ça revient mais c'est vrai que c'est pénible. Si quelqu'un a la solution, il fera des heureux!

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#3 Le 03/11/2018, à 17:44

xubu1957

Re : Wifi qui se coupe régulièrement

Bonjour,

@Maïeul

Vu :

nmcli dev wifi 

IN-USE  SSID            MODE   CHAN  RATE      SIGNAL  BARS  SECURITY    
  
*       Thomson994ED0   Infra  1     54 Mo/s   60      ▂▄▆_  WPA1  

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

Et pour :

iwconfig

Bit Rate=1 Mb/s 

Tu peux tenter la procédure de la Doc > wifi#connexion_lente ?wifi#connexion_lente ?

§ 6.6 a écrit :

Si vous voyez Bit Rate=1Mb/s alors tapez :

sudo ifdown wlp58s0
sudo iwconfig wlp58s0 rate 54M
sudo ifup wlp58s0

Enfin, faites "iwconfig" pour vérifier qu'il vous met bien Bit Rate=54Mb/s . Voilà qui devrait aller mieux !

pour que ça reste permanent : Ajoutez dans /etc/rc.local (avant la ligne exit 0)

/etc/rc.local

 ifconfig wlp58s0 up
 iwconfig wlp58s0 rate 54M

_ _ _

@bob_1973

En suivant ces indications :  Initier une nouvelle discussion, tu fourniras ton wificheck.

Pour tenir compte des règles du forum, préconisant une discussion par problème, et de la grande variété de modèles d'ordinateurs, de fabricants des cartes et des différents pilotes wifi.

Dernière modification par xubu1957 (Le 04/11/2018, à 09:09)


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