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#1 Le 08/10/2017, à 19:03
- cetoines
Wifi faible
Bonjour,
ma connexion wifi est faible, j'ai du mal à capter lorsque je m'eloigne un peu de la box. A cote de la box, le signal n'est que de 3/4.
Merci pour votre aide.
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
>> lsusb
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 005: ID 8087:07dc Intel Corp.
Bus 002 Device 004: ID 0bda:572a Realtek Semiconductor Corp.
Bus 002 Device 003: ID 062a:4101 Creative Labs Wireless Keyboard/Mouse
Bus 002 Device 002: ID 04f3:007e Elan Microelectronics Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
02:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev 73)
Subsystem: Intel Corporation Wireless-N 7260 [8086:4262]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Wireless 7260
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 73
numéro de série: 80:19:34:39:93:1f
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-66-generic firmware=17.459231.0 ip=192.168.1.20 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
ressources: irq:49 mémoire:b2400000-b2401fff
>> lsmod
Module Size Used by
rfcomm 69632 2
drbg 32768 1
ansi_cprng 16384 0
ctr 16384 1
ccm 20480 1
pci_stub 16384 1
vboxpci 24576 0
vboxnetadp 28672 0
vboxnetflt 28672 0
vboxdrv 454656 3 vboxnetadp,vboxnetflt,vboxpci
bnep 20480 2
arc4 16384 2
uvcvideo 90112 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
videodev 176128 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 172032 0
media 24576 2 uvcvideo,videodev
hid_multitouch 20480 0
kvm 544768 1 kvm_intel
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
irqbypass 16384 1 kvm
bluetooth 520192 29 bnep,btbcm,btrtl,btusb,rfcomm,btintel
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
iwlmvm 311296 0
ghash_clmulni_intel 16384 0
aesni_intel 167936 2
mac80211 737280 1 iwlmvm
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 20480 3 ghash_clmulni_intel,aesni_intel,ablk_helper
iwlwifi 200704 1 iwlmvm
cfg80211 565248 3 iwlwifi,mac80211,iwlmvm
joydev 20480 0
input_leds 16384 0
snd_hda_codec_hdmi 53248 1
serio_raw 16384 0
snd_hda_codec_realtek 86016 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_intel 40960 5
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
soc_button_array 16384 0
snd 81920 21 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
mei_me 36864 0
mei 98304 1 mei_me
shpchp 36864 0
soundcore 16384 1 snd
intel_smartconnect 16384 0
mac_hid 16384 0
lpc_ich 24576 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 118784 3 hid_multitouch,hid_generic,usbhid
i915 1208320 7
i2c_algo_bit 16384 1 i915
drm_kms_helper 155648 1 i915
psmouse 131072 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
ahci 36864 2
drm 364544 8 i915,drm_kms_helper
libahci 32768 1 ahci
wmi 20480 0
video 40960 1 i915
fjes 28672 0
>> iwconfig
wlp2s0 IEEE 802.11bgn ESSID:"Livebox-A4F2"
Mode:Managed Frequency:2.462 GHz Access Point: 48:83:C7:CB:A4:F2
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=64/70 Signal level=-46 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:2132 Missed beacon:0
>> ifconfig -a
lo Link encap:Boucle locale
inet adr:127.0.0.1 Masque:255.0.0.0
adr inet6: ::1/128 Scope:Hôte
UP LOOPBACK RUNNING MTU:65536 Metric:1
Packets reçus:869 erreurs:0 :0 overruns:0 frame:0
TX packets:869 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:78774 (78.7 KB) Octets transmis:78774 (78.7 KB)
wlp2s0 Link encap:Ethernet HWaddr 80:19:34:39:93:1f
inet adr:192.168.1.20 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::d6d3:6008:2ae3:1037/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:108958 erreurs:0 :0 overruns:0 frame:0
TX packets:73668 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:153753782 (153.7 MB) Octets transmis:9320713 (9.3 MB)
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: 48:83:C7:CB:A4:F2
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=64/70 Signal level=-46 dBm
Encryption key:on
ESSID:"Livebox-A4F2"
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=0000023876ddc571
Extra: Last beacon: 72ms ago
IE: Unknown: 000C4C697665626F782D41344632
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D160B001700000000000000000000000000000000000000
IE: Unknown: 34160B001700000000000000000000000000000000000000
IE: Unknown: DD180050F2020101890003A4000027A4000042435E0062322F00
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: DD8F0050F204104A0001101044000102103B000103104700103B3F3F3A4A3EFA49F83B4D393B3F3F3A10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E34104200094E51313630363746461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Cell 02 - Address: 48:83:C7:15:67:90
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=34/70 Signal level=-76 dBm
Encryption key:on
ESSID:"Bbox-686176C2"
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=000000c87ef7d7f7
Extra: Last beacon: 544ms ago
IE: Unknown: 000D42626F782D3638363137364332
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: 2D1AFC181BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601080400000000000000000000000000000000000000
IE: Unknown: DD800050F204104A0001101044000102103B0001031047001054C0192956EA580463F849C45DA1E9CA1021000842726F6164636F6D1023000842726F6164636F6D1024000631323334353610420004313233341054000800060050F20400011011000A42726F6164636F6D415010080002200C103C0001011049000600372A000120
IE: Unknown: DD090010180202F02C0000
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cell 03 - Address: 44:CE:7D:20:45:D4
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"SFR_45D0"
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=000000ced53967b1
Extra: Last beacon: 532ms ago
IE: Unknown: 00085346525F34354430
IE: Unknown: 010882848B962430486C
IE: Unknown: 030101
IE: Unknown: 2A0104
IE: Unknown: 2F0104
IE: Unknown: 32040C121860
IE: Unknown: 2D1AEC181BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D1601000400000000000000000000000000000000000000
IE: Unknown: DD090010180202F02C0000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
Cell 04 - Address: 30:7C:B2:18:DA:95
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=42/70 Signal level=-68 dBm
Encryption key:on
ESSID:"Livebox-DA95"
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=0000002917741d75
Extra: Last beacon: 396ms ago
IE: Unknown: 000C4C697665626F782D44413935
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1606080000000000000000000000000000000000000000
IE: Unknown: 341606080000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
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: DD8F0050F204104A0001101044000102103B000103104700103A373E4A4939F83FFB48403C3A373E4A10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E3110420009414E313632363746461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Cell 05 - Address: 12:7C:B2:18:DA:95
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=41/70 Signal level=-69 dBm
Encryption key:off
ESSID:"orange"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=3200002917742d16
Extra: Last beacon: 392ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1606080000000000000000000000000000000000000000
IE: Unknown: 341606080000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
Cell 06 - Address: 00:24:D4:53:4E:FC
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=32/70 Signal level=-78 dBm
Encryption key:on
ESSID:"freebox_LXGZFT"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000095a20d51eff
Extra: Last beacon: 36ms ago
IE: Unknown: 000E66726565626F785F4C58475A4654
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010D
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2D1AEE0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160D070600000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 07 - Address: 00:24:D4:53:4E:FD
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=34/70 Signal level=-76 dBm
Encryption key:off
ESSID:"FreeWifi"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000095a20d4a765
Extra: Last beacon: 36ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010D
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: Unknown: 2D1AEE0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160D070600000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 08 - Address: 00:24:D4:53:4E:FE
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=35/70 Signal level=-75 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000095a20d42f0a
Extra: Last beacon: 32ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010D
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
IE: Unknown: 2D1AEE0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160D070600000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
>> uname -r -m
4.4.0-66-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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
* Livebox-A4F2 Infra 11 54 Mo/s 90 ▂▄▆█ WPA1 WPA2
Livebox-DA95 Infra 6 54 Mo/s 54 ▂▄__ WPA1 WPA2
orange Infra 6 54 Mo/s 52 ▂▄__ --
Bbox-78A05FCF Infra 1 54 Mo/s 47 ▂▄__ WPA1 WPA2
FreeWifi_secure Infra 13 54 Mo/s 42 ▂▄__ WPA2 802.1X
Bbox-686176C2 Infra 1 54 Mo/s 40 ▂▄__ WPA1 WPA2
FreeWifi Infra 13 54 Mo/s 40 ▂▄__ --
freebox_LXGZFT Infra 13 54 Mo/s 37 ▂▄__ WPA1
SFR_45D0 Infra 1 54 Mo/s 30 ▂___ WPA1
>> nmcli connection show
NOM UUID TYPE PÉRIPHÉRIQUE
Livebox-A4F2 47ddaaf7-490c-4a02-b175-c155597249f7 802-11-wireless wlp2s0
Antoine 92653631-4b16-4646-b979-f3bf21a81de8 802-11-wireless --
Bose SoundTouch Wi-Fi Network f1bdd451-1137-4d97-a134-7d120473c0ee 802-11-wireless --
FREEBOX_BARBARA_I1 6ea732f6-6454-40d4-a332-a8b73065a793 802-11-wireless --
NEUF_00F0 e0029632-ebee-40cf-85a5-edb9291e9389 802-11-wireless --
SFR_25A8 e8a4a681-8beb-4907-be61-6631bdff4f6e 802-11-wireless --
SFR_4A10 8a5b4328-cfca-4ac7-959c-9456ac5b73ff 802-11-wireless --
SFR_7FB0 c9824c98-06e0-410f-9706-8d69d6eec4e7 802-11-wireless --
vvfvlege-clientele 5fd3e5bd-814b-4e72-87e0-b550aaed7228 802-11-wireless --
vvfvlege-clientele-130 e1e41048-67e3-4882-9f11-13b847582795 802-11-wireless --
vvfvlege-clientele-148 300d29b8-a2bc-444f-b06c-92f64ebe9af5 802-11-wireless --
vvfvlege-clientele-Animation 3c0d9943-98eb-4da2-b07a-85853adefc0c 802-11-wireless --
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
UBUNTU 16.04 LTS
Intel NUC NUC5i3RYH - Barebone (vive le silence!). Core i3-5010U de 5ème génération (Broadwell)
SSD 500 Go (vive la rapidité...et le silence !)
2*4Go DDR3 1600 MHz
Hors ligne
#2 Le 08/10/2017, à 19:16
- xubu1957
Re : Wifi faible
Bonjour,
Comme dans ton précédent fil du 14/05/2017 > wifi faible...
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
* Livebox-A4F2 Infra 11 54 Mo/s 90 ▂▄▆█ WPA1 WPA2
Passer la Box en seul chiffrement WPA2, voir le § 1 [Tuto] Pas de Wi-fi ? Eléments importants à vérifier
Pour la carte wifi :
Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b2] (rev 73)
cette commande :
echo "options iwlwifi bt_coex_active=N swcrypto=1 11n_disable=1" | sudo tee /etc/modprobe.d/iwlwifi.conf
enfin le noyau, non mis à jour :
4.4.0-66-generic x86_64
effectuer les mises à jour :
sudo apt update
sudo apt full-upgrade
Après avoir effectué toutes ces opérations, et redémarré box et ordi, à nouveau, tu donneras :
uname -r
et :
nmcli dev wifi
ainsi que :
iwconfig
Il y a une anomalie :
Tx excessive retries:0 Invalid misc:2132 Missed beacon:0
Invalid misc:2132
Recherche documentaire du 25/05/2017 > wifi-too-much-invalid-misc-how-to-fix-it
Wifi "Invalid misc", comment le réparer?
Voici quelques résultats:root@debian:/home/love# iwconfig wlan0 wlan0 IEEE 802.11bgn ESSID:"SITI_Broadband-06E6-G" ... Tx excessive retries:0 Invalid misc:202 Missed beacon:0
J'ai remarqué que la valeur augmente avec le temps et que mon wifi reste connecté, mais Internet arrête de fonctionner.
Cela ressemble à un problème typique d'interférence wifi. Essayez de localiser l'appareil causant le problème et, lorsque vous le faites, supprimez cette question car elle serait hors sujet. Il suffit simplement de désactiver la plupart des équipements électroniques et de faire attention à ce qui change lorsque les problèmes commencent, peut généralement résoudre 90% de ceux-ci.
Rajout - recherche documentaire 08/10/2017 >
1 ) réponse reprise dans [ubuntu] High invalid misc on ath9k - is it a problem?
2 ) What-is-wireless-interference-and-how-do-I-troubleshoot-it
En règle générale, trois facteurs peuvent expliquer les interférences sur le réseau Wi-Fi : des murs et des sols qui bloquent les signaux sans fil, d'autres réseaux Wi-Fi qui utilisent le même canal que le vôtre, ou des appareils électroniques et électroménagers qui émettent des interférences radioélectriques. Il se peut que le réseau Wi-Fi de votre domicile ne soient affectés que par un ou deux de ces facteurs, mais la plupart des réseaux sans fil peuvent être affectés par les trois.
Dernière modification par xubu1957 (Le 08/10/2017, à 21:38)
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
Hors ligne
#3 Le 11/10/2017, à 10:46
- Henry de Monfreid
Re : Wifi faible
Salut.
Peut-tu placer ton PC là où tu captes mal et faire :
sudo iwlist scan
« Je te hais plus qu'aucun des dieux qui vivent sur l'Olympe
Car tu ne rêves que discordes, guerres et combats. »
Trouble obsessionnelcompulsif
Le TdCT est revenu (ils reviennent tous)
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