Pages : 1
#1 Le 17/08/2015, à 11:48
- jideon
(encore) un problème de wifi (qui se déconnecte sans raison)
Messieurs-dames bonjour,
Nouvel arrivé dans les terres du libre, j'ai depuis 10 jours une machine sous Ubuntu, et je fais face à quelques récalcitrances de la part de ma wifi.
Pour expliquer le problème en quelques mots : ma connexion internet se coupe fréquemment (enfin ca se déconecte au bout d'un temps aléatoire entre 2 minutes et deux heures). A chaque fois le signal wifi n'a pas bougé dans le network manager, je suis toujours sur ma box, et néanmoins pas moyen de faire quoique ce soit à ce moment la sur internet (que ce soit sur mozilla ou chromium, ou téléchargemnt de paquets, tout est bloqué).
Chaque fois, je suis obligé de redémarrer mon ordi, et ca remache sans problème, jusqu'à la coupure suivante.
Voici les test wificheck (fait pendant que ca marchait pas) :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"
>> lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:b728 Realtek Semiconductor Corp.
Bus 001 Device 003: ID 13d3:5727 IMC Networks
Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. 4-Port HUB
Bus 001 Device 007: ID 0bb4:2008 HTC (High Tech Computer Corp.)
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo Device [17aa:380c]
Kernel driver in use: r8169
04:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
Subsystem: Lenovo Device [17aa:b736]
Kernel driver in use: rtl8723be
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: eth0
version: 10
numéro de série: f0:76:1c:62:c7:c8
taille: 10Mbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168g-3_0.0.1 04/23/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:107 portE/S:2000(taille=256) mémoire:90504000-90504fff mémoire:90500000-90503fff
*-network
description: Interface réseau sans fil
produit: RTL8723BE PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: wlan0
version: 00
numéro de série: 2c:33:7a:8e:f9:73
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8723be driverversion=3.16.0-45-generic firmware=N/A ip=192.168.0.24 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
ressources: irq:19 portE/S:1000(taille=256) mémoire:90400000-90403fff
>> lsmod
Module Size Used by
rfcomm 69509 8
bnep 19624 2
binfmt_misc 17468 1
snd_hda_codec_hdmi 47548 1
snd_hda_codec_realtek 77514 1
snd_hda_codec_generic 69011 1 snd_hda_codec_realtek
uvcvideo 81073 0
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 59104 1 uvcvideo
v4l2_common 15681 1 videobuf2_core
videodev 153793 3 uvcvideo,v4l2_common,videobuf2_core
media 21903 2 uvcvideo,videodev
arc4 12608 2
intel_rapl 18783 0
intel_powerclamp 18823 0
coretemp 13441 0
rtl8723be 85054 0
btcoexist 50304 1 rtl8723be
kvm 452047 0
crct10dif_pclmul 14307 0
crc32_pclmul 13133 0
ghash_clmulni_intel 13230 0
rtl8723_common 23361 1 rtl8723be
cryptd 20359 1 ghash_clmulni_intel
rtl_pci 26690 1 rtl8723be
rtlwifi 64255 2 rtl_pci,rtl8723be
mac80211 652777 3 rtl_pci,rtlwifi,rtl8723be
joydev 17393 0
serio_raw 13483 0
cfg80211 498458 2 mac80211,rtlwifi
rtsx_pci_ms 18168 0
memstick 16966 1 rtsx_pci_ms
btusb 32497 0
bluetooth 446409 22 bnep,btusb,rfcomm
6lowpan_iphc 18702 1 bluetooth
snd_hda_intel 30469 3
snd_hda_controller 30228 1 snd_hda_intel
lpc_ich 21093 0
i915 906106 3
shpchp 37047 0
snd_hda_codec 139719 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
mei_txe 19704 0
mei 87875 1 mei_txe
snd_hwdep 17698 1 snd_hda_codec
drm_kms_helper 61574 1 i915
drm 311018 5 i915,drm_kms_helper
iosf_mbi 13541 0
i2c_algo_bit 13413 1 i915
snd_soc_rt5640 93042 0
snd_soc_rl6231 13037 1 snd_soc_rt5640
snd_soc_core 200204 1 snd_soc_rt5640
snd_compress 19200 1 snd_soc_core
ideapad_laptop 18278 0
sparse_keymap 13948 1 ideapad_laptop
snd_pcm_dmaengine 15172 1 snd_soc_core
snd_pcm 104112 7 snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller,snd_pcm_dmaengine
snd_seq_midi 13564 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_rawmidi 30876 1 snd_seq_midi
snd_seq 63074 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
video 20128 1 i915
snd_timer 29562 2 snd_pcm,snd_seq
dw_dmac 12835 0
dw_dmac_core 28390 1 dw_dmac
parport_pc 32741 0
ppdev 17671 0
snd 79468 19 snd_hda_codec_realtek,snd_soc_core,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,snd_compress
i2c_hid 18726 0
intel_smartconnect 12637 0
hid 110426 1 i2c_hid
lp 17759 0
parport 42348 3 lp,ppdev,parport_pc
soundcore 15047 2 snd,snd_hda_codec
i2c_designware_platform 12979 0
spi_pxa2xx_platform 23079 0
i2c_designware_core 14768 1 i2c_designware_platform
mac_hid 13227 0
snd_soc_sst_acpi 13007 0
8250_dw 13551 0
pwm_lpss 13214 0
rtsx_pci_sdmmc 23043 0
psmouse 106767 0
rtsx_pci 46259 2 rtsx_pci_ms,rtsx_pci_sdmmc
sdhci_acpi 13351 0
sdhci 43685 1 sdhci_acpi
ahci 34142 2
r8169 71694 0
mii 13934 1 r8169
libahci 32424 1 ahci
>> iwconfig
wlan0 IEEE 802.11bgn ESSID:"freebox_boigny"
Mode:Managed Frequency:2.422 GHz Access Point: 92:84:62:B4:1C:54
Bit Rate=18 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=66/70 Signal level=-44 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:532 Missed beacon:0
>> ifconfig -a
eth0 Link encap:Ethernet HWaddr f0:76:1c:62:c7:c8
UP BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
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:5059 erreurs:0 :0 overruns:0 frame:0
TX packets:5059 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:683722 (683.7 KB) Octets transmis:683722 (683.7 KB)
wlan0 Link encap:Ethernet HWaddr 2c:33:7a:8e:f9:73
inet adr:192.168.0.24 Bcast:192.168.0.255 Masque:255.255.255.0
adr inet6: fe80::2e33:7aff:fe8e:f973/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:67466 erreurs:0 :0 overruns:0 frame:0
TX packets:49564 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:72474454 (72.4 MB) Octets transmis:8723418 (8.7 MB)
>> sudo iwlist scan
>> uname -r -m
3.16.0-45-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
NetworkManager Tool
State: connected (global)
- Device: wlan0 [freebox_boigny] ----------------------------------------------
Type: 802.11 WiFi
Driver: rtl8723be
State: connected
Default: yes
HW Address: 2C:33:7A:8E:F9:73
Capabilities:
Speed: 18 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
FreeWifi_secure: Infra, 92:84:62:B4:1C:57, Freq 2422 MHz, Rate 54 Mb/s, Strength 100 WPA Enterprise
FreeWifi_secure: Infra, 00:24:D4:C8:5E:1E, Freq 2437 MHz, Rate 54 Mb/s, Strength 47 WPA2 Enterprise
Ugur: Infra, 00:24:D4:C8:5E:1C, Freq 2437 MHz, Rate 54 Mb/s, Strength 50 WPA
FreeWifi: Infra, 92:84:62:B4:1C:56, Freq 2422 MHz, Rate 54 Mb/s, Strength 100
FreeWifi: Infra, 00:24:D4:C8:5E:1D, Freq 2437 MHz, Rate 54 Mb/s, Strength 27
*freebox_boigny: Infra, 92:84:62:B4:1C:54, Freq 2422 MHz, Rate 54 Mb/s, Strength 76 WEP
ugur: Infra, 6C:B0:CE:24:47:FF, Freq 2437 MHz, Rate 54 Mb/s, Strength 34 WPA WPA2
FreeWifi: Infra, 5A:6C:16:F8:80:5A, Freq 2462 MHz, Rate 54 Mb/s, Strength 50
FreeWifi_secure: Infra, 5A:6C:16:F8:80:5B, Freq 2462 MHz, Rate 54 Mb/s, Strength 50 WPA Enterprise
Victor: Infra, 5A:6C:16:F8:80:58, Freq 2462 MHz, Rate 54 Mb/s, Strength 47 WPA
SFR_C0A8: Infra, 24:95:04:CD:C0:AC, Freq 2462 MHz, Rate 54 Mb/s, Strength 14 WPA
SFR WiFi FON: Infra, 9A:95:04:CD:C0:AD, Freq 2462 MHz, Rate 54 Mb/s, Strength 90
orange: Infra, 1A:62:2C:7B:A3:DE, Freq 2462 MHz, Rate 54 Mb/s, Strength 50
FreeWifi: Infra, 72:9B:C5:AF:ED:4E, Freq 2442 MHz, Rate 54 Mb/s, Strength 34
IPv4 Settings:
Address: 192.168.0.24
Prefix: 24 (255.255.255.0)
Gateway: 192.168.0.254
DNS: 212.27.40.241
DNS: 212.27.40.240
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: F0:76:1C:62:C7:C8
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
>> sudo rfkill list
0: ideapad_wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
1: ideapad_bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
4: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Je précise tout de suite. J'avais fait le test 45 minutes plus tôt quand internet fonctionnait : les différences que j'ai vues sont dans les tests "iwlist scan" dont voici ci-dessous les résultats quand ma connexions marchait :
>> sudo iwlist scan
wlan0 Scan completed :
Cell 01 - Address: 92:84:62:B4:1C:54
Channel:3
Frequency:2.422 GHz (Channel 3)
Quality=62/70 Signal level=-48 dBm
Encryption key:on
ESSID:"freebox_boigny"
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=000004384125737e
Extra: Last beacon: 8ms ago
IE: Unknown: 000E66726565626F785F626F69676E79
IE: Unknown: 010882848B961224486C
IE: Unknown: 030103
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1603050700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3403050700000000000000000000000000000000000000
Cell 02 - Address: 92:84:62:B4:1C:55
Channel:3
Frequency:2.422 GHz (Channel 3)
Quality=62/70 Signal level=-48 dBm
Encryption key:on
ESSID:""
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=000004384157db71
Extra: Last beacon: 148ms ago
IE: Unknown: 0000
IE: Unknown: 010882848B961224486C
IE: Unknown: 030103
IE: Unknown: 32040C183060
IE: Unknown: 33082001020304050607
IE: Unknown: 33082105060708090A0B
IE: Unknown: 050400010000
IE: Unknown: 2A0104
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1603050700000000000000000000000000000000000000
IE: Unknown: 7F0101
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 0B050500C6127A
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3403050700000000000000000000000000000000000000
IE: Unknown: DD07000C4300000000
Cell 03 - Address: 92:84:62:B4:1C:56
Channel:3
Frequency:2.422 GHz (Channel 3)
Quality=62/70 Signal level=-48 dBm
Encryption key:off
ESSID:"FreeWifi"
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=0000043841257d11
Extra: Last beacon: 8ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B961224486C
IE: Unknown: 030103
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1603050700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3403050700000000000000000000000000000000000000
Cell 04 - Address: 92:84:62:B4:1C:57
Channel:3
Frequency:2.422 GHz (Channel 3)
Quality=62/70 Signal level=-48 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
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=00000438412592f6
Extra: Last beacon: 8ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B961224486C
IE: Unknown: 030103
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D1603050700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C3403050700000000000000000000000000000000000000
Cell 05 - Address: 00:24:D4:C8:5E:1C
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=70/70 Signal level=30 dBm
Encryption key:on
ESSID:"Ugur"
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=0000019c0cd28160
Extra: Last beacon: 2088ms ago
IE: Unknown: 000455677572
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030106
IE: Unknown: 050400020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1606000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 06 - Address: 00:24:D4:C8:5E:1D
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=62/70 Signal level=-48 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=0000019c0cd70160
Extra: Last beacon: 1760ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 030106
IE: Unknown: 050400020000
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D1606000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 07 - Address: 5A:6C:16:F8:80:58
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=36/70 Signal level=-74 dBm
Encryption key:on
ESSID:"Victor"
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=000000cd0eb6a155
Extra: Last beacon: 8ms ago
IE: Unknown: 0006566963746F72
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D160B000700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C340B000700000000000000000000000000000000000000
Cell 08 - Address: 5A:6C:16:F8:80:5A
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=36/70 Signal level=-74 dBm
Encryption key:off
ESSID:"FreeWifi"
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=000000cd0eb6ac58
Extra: Last beacon: 8ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D160B000700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C340B000700000000000000000000000000000000000000
Cell 09 - Address: 5A:6C:16:F8:80:5B
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=34/70 Signal level=-76 dBm
Encryption key:on
ESSID:"FreeWifi_secure"
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=000000cd0eb6b5af
Extra: Last beacon: 8ms ago
IE: Unknown: 000F46726565576966695F736563757265
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32040C183060
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D160B000700000000000000000000000000000000000000
IE: Unknown: 3E0100
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 7F0101
IE: Unknown: DD07000C4300000000
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C340B000700000000000000000000000000000000000000
>> uname -r -m
3.16.0-45-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
Autre précision. Vous le voyez, ici c'est sur une freebox que je suis, mais j'avais le meme problème la semaine dernière sur une Bbox. Et dans les deux cas, d'autres PCs sont connectés aux box et n'ont pas de problèmes.
Merci d'avance à tous ceux qui se pencheront sur mon problème.
Sorry for the long post, comme disent nos amis anglosaxons.
Dernière modification par jideon (Le 17/08/2015, à 11:51)
Hors ligne
#2 Le 18/08/2015, à 12:21
- jideon
Re : (encore) un problème de wifi (qui se déconnecte sans raison)
J'ai trouvé la solution à mon problème ici.
Si jamais quelqu'un a le même type de problème avec la même carte wifi : Realtek rtl8723be je lui conseille d'aller y jeter un œil.
Il suffit de rentrer cette ligne dans le terminal et de redémarer la machine :
echo "options rtl8723be fwlps=0" | sudo tee /etc/modprobe.d/rtl8723be.conf
En gros il s'agit d'enlever une sorte de parametre de veille de la carte wifi préconfiguré
Hors ligne