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
