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#1 Le 09/05/2013, à 18:31

Eleven

[Résolu] Connexion wifi lente ou inexistante

Bonjour à tous !

Je me tourne vers vous pour m'aider à résoudre un petit problème : ma connexion wifi est lente, très lente, voire se déconnecte régulièrement ! Je dois passer par Paramètres > Réseau et activer/désactiver le mode avion ou la connexion wifi pour que ça se rétablisse. Jusqu'à la prochaine déconnexion... Ainsi, j'ai du écrire ce message en faisant cette manip' trois fois !
Je n'ai pas ce problème sous Windows 7, ce qui me pousse à croire que ça vient de mon paramétrage...

Voici les différentes commandes :

eleven@eleven:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS"
eleven@eleven:~$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 003: ID 05ac:8509 Apple, Inc. FaceTime HD Camera
Bus 002 Device 003: ID 0424:2513 Standard Microsystems Corp. 
Bus 002 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 002 Device 005: ID 05ac:8242 Apple, Inc. IR Receiver [built-in]
Bus 002 Device 006: ID 05ac:0253 Apple, Inc. Internal Keyboard/Trackpad (ISO)
Bus 002 Device 009: ID 05ac:821d Apple, Inc. 
eleven@eleven:~$ lspci
00:00.0 Host bridge: Intel Corporation Ivy Bridge DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Ivy Bridge PCI Express Root Port (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4)
00:1c.1 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 2 (rev c4)
00:1c.2 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 3 (rev c4)
00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04)
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM57765 Gigabit Ethernet PCIe (rev 10)
01:00.1 SD Host controller: Broadcom Corporation NetXtreme BCM57765 Memory Card Reader (rev 10)
02:00.0 Network controller: Broadcom Corporation BCM4331 802.11a/b/g/n (rev 02)
03:00.0 FireWire (IEEE 1394): LSI Corporation FW643 PCI Express 1394b Controller (PHY/Link) (rev 08)
eleven@eleven:~$ sudo lshw -C network
  *-network               
       description: Ethernet interface
       produit: NetXtreme BCM57765 Gigabit Ethernet PCIe
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:01:00.0
       nom logique: eth0
       version: 10
       numéro de série: 40:6c:8f:5b:0d:ef
       capacité: 1Gbit/s
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 firmware=57765-v1.37 latency=0 link=no multicast=yes port=twisted pair
       ressources: irq:16 mémoire:a0400000-a040ffff mémoire:a0410000-a041ffff
  *-network
       description: Network controller
       produit: BCM4331 802.11a/b/g/n
       fabriquant: Broadcom Corporation
       identifiant matériel: 0
       information bus: pci@0000:02:00.0
       version: 02
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list
       configuration: driver=bcma-pci-bridge latency=0
       ressources: irq:17 mémoire:a0600000-a0603fff
  *-network
       description: Interface réseau sans fil
       identifiant matériel: 2
       nom logique: wlan0
       numéro de série: XXXXXXXXX
       fonctionnalités: ethernet physical wireless
       configuration: broadcast=yes driver=b43 driverversion=3.2.0-42-generic-pae firmware=666.2 ip=192.168.0.11 link=yes multicast=yes wireless=IEEE 802.11bg
eleven@eleven:~$ lsmod
Module                  Size  Used by
des_generic            21191  0 
md4                    12523  0 
nls_utf8               12493  1 
cifs                  258037  2 
pci_stub               12550  1 
vboxpci                22911  0 
vboxnetadp             13328  0 
vboxnetflt             27240  0 
vboxdrv               252228  3 vboxpci,vboxnetadp,vboxnetflt
parport_pc             32114  0 
snd_hda_codec_hdmi     31775  1 
ppdev                  12849  0 
snd_hda_codec_cirrus    23322  1 
bnep                   17830  2 
rfcomm                 38139  0 
snd_hda_intel          32719  3 
snd_hda_codec         109562  3 snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel
snd_hwdep              13276  1 snd_hda_codec
binfmt_misc            17292  1 
arc4                   12473  2 
snd_pcm                80916  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
b43                   342758  0 
snd_seq_midi           13132  0 
snd_rawmidi            25424  1 snd_seq_midi
mac80211              436493  1 b43
snd_seq_midi_event     14475  1 snd_seq_midi
snd_seq                51592  2 snd_seq_midi,snd_seq_midi_event
snd_timer              28931  2 snd_pcm,snd_seq
snd_seq_device         14172  3 snd_seq_midi,snd_rawmidi,snd_seq
cfg80211              178877  2 b43,mac80211
ssb                    50691  1 b43
snd                    62218  16 snd_hda_codec_hdmi,snd_hda_codec_cirrus,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
i915                  428014  3 
drm_kms_helper         45466  1 i915
uvcvideo               67203  0 
drm                   197641  4 i915,drm_kms_helper
videodev               86588  1 uvcvideo
btusb                  17948  1 
i2c_algo_bit           13199  1 i915
mei                    36570  0 
soundcore              14635  1 snd
apple_gmux             12655  0 
joydev                 17393  0 
snd_page_alloc         14108  2 snd_hda_intel,snd_pcm
bcma                   25651  1 b43
mac_hid                13077  0 
bluetooth             158479  13 bnep,rfcomm,btusb
video                  19115  2 i915,apple_gmux
applesmc               18772  0 
bcm5974                17199  0 
input_polldev          13648  1 applesmc
apple_bl               13425  0 
dm_multipath           22747  0 
lp                     17455  0 
parport                40930  3 parport_pc,ppdev,lp
hid_apple              13166  0 
usbhid                 41937  0 
hid                    77428  2 hid_apple,usbhid
firewire_ohci          40172  0 
tg3                   141414  0 
firewire_core          56940  1 firewire_ohci
crc_itu_t              12627  1 firewire_core
sdhci_pci              18324  0 
sdhci                  28241  1 sdhci_pci
dm_raid45              76451  0 
xor                    25987  1 dm_raid45
dm_mirror              21822  0 
dm_region_hash         16100  1 dm_mirror
dm_log                 18193  3 dm_raid45,dm_mirror,dm_region_hash
eleven@eleven:~$ iwconfig
lo        no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"Enrevir"  
          Mode:Managed  Frequency:2.462 GHz  Access Point:  
          Bit Rate=48 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=0 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:66   Missed beacon:0

eth0      no wireless extensions.
eleven@eleven:~$ iwconfig
lo        no wireless extensions.

wlan0     IEEE 802.11bg  ESSID:"Enrevir"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 00:24:D4:9E:73:0C   
          Bit Rate=48 Mb/s   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=70/70  Signal level=0 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:66   Missed beacon:0

eth0      no wireless extensions.

eleven@eleven:~$ ifconfig
eth0      Link encap:Ethernet  HWaddr 40:6c:8f:5b:0d:ef  
          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)
          Interruption:16 

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:16436  Metric:1
          Packets reçus:680 erreurs:0 :0 overruns:0 frame:0
          TX packets:680 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0 
          Octets reçus:60419 (60.4 KB) Octets transmis:60419 (60.4 KB)

wlan0     Link encap:Ethernet  HWaddr XXXXXXXXX
          inet adr:192.168.0.11  Bcast:192.168.0.255  Masque:255.255.255.0
          adr inet6: fe80::7ed1:c3ff:fe88:ef7e/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:7479 erreurs:0 :0 overruns:0 frame:0
          TX packets:7593 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:7947695 (7.9 MB) Octets transmis:1044480 (1.0 MB)

La commande sudo iwlist scan commence par afficher

eth0      Interface doesn't support scanning.

, puis affiche le pavé qui suit (il m'est impossible de remonter plus haut) :

 Mode:Master
                    Extra:tsf=000001c9509d8160
                    Extra: Last beacon: 1452ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030104
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D1604000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 19 - Address: F4:CA:E5:CF:DE:CD
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:off
                    ESSID:"FreeWifi"
                    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=00000053e7da8160
                    Extra: Last beacon: 944ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D1606001300000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 20 - Address: 00:19:70:4B:C4:BE
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"Livebox-1ec0"
                    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=000000791ed1ccc2
                    Extra: Last beacon: 972ms ago
                    IE: Unknown: 000C4C697665626F782D31656330
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    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: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
                    IE: Unknown: 2D1A4C101BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606000900000000000000000000000000000000000000
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: Unknown: DD0A00037F04010020000000
                    IE: Unknown: 0706465220010D14
                    IE: Unknown: DD880050F204104A000110104400010210570001001041000100103B00010310470010E8BE810F1EC0E8BE810F1EC0810F1EC010210005536167656D102300084C697665626F7832102400084C697665626F78321042000A4C4B31303232374450331054000800060050F20400011011000D4C697665626F78322D31454330100800020086103C000101
          Cell 21 - Address: F4:CA:E5:CF:DE:CC
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"Winternet_is_Coming"
                    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=00000053e7d40970
                    Extra: Last beacon: 1400ms ago
                    IE: Unknown: 001357696E7465726E65745F69735F436F6D696E67
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D1606001300000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 22 - Address: F4:CA:E5:CF:DE:CE
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=00000053e7d90409
                    Extra: Last beacon: 1008ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D1606000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 23 - Address: 00:19:70:75:33:DC
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"Bbox-A85D14"
                    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=0000002d88f96aa5
                    Extra: Last beacon: 852ms ago
                    IE: Unknown: 000B42626F782D413835443134
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    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: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
                    IE: Unknown: 2D1A4C101BFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1606080800000000000000000000000000000000000000
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: Unknown: DD0A00037F04010000000000
          Cell 24 - Address: 72:25:15:5C:74:9B
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"SFR WiFi Mobile"
                    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=000000001e10e712
                    Extra: Last beacon: 1152ms ago
                    IE: Unknown: 000F5346522057694669204D6F62696C65
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 050401030000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180200F02C0000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 25 - Address: 72:25:15:5C:74:99
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:off
                    ESSID:"SFR WiFi Public"
                    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=000000001e10f278
                    Extra: Last beacon: 1148ms ago
                    IE: Unknown: 000F5346522057694669205075626C6963
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 050401030000
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180200F02C0000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 26 - Address: AE:8E:87:99:B4:00
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"freebox_IBLMCH"
                    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=000002f99dd27175
                    Extra: Last beacon: 1140ms ago
                    IE: Unknown: 000E66726565626F785F49424C4D4348
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 03010B
                    IE: Unknown: 32040C183060
                    IE: Unknown: 33082001020304050607
                    IE: Unknown: 33082105060708090A0B
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0104
                    IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
                    IE: Unknown: 3D160B070600000000000000000000000000000000000000
                    IE: Unknown: 7F0101
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B05010039127A
                    IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
                    IE: Unknown: DD1A00904C340B070600000000000000000000000000000000000000
                    IE: Unknown: DD07000C4300000000
          Cell 27 - Address: F4:CA:E5:A7:03:04
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"Pandore"
                    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=00000096cbf70160
                    Extra: Last beacon: 1136ms ago
                    IE: Unknown: 000750616E646F7265
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050401020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B001300000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 28 - Address: F4:CA:E5:BA:BD:05
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:off
                    ESSID:"FreeWifi"
                    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=000000381f3d8442
                    Extra: Last beacon: 1132ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 29 - Address: 00:17:33:BB:00:34
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"NEUF_0030"
                    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=000001e3798e970c
                    Extra: Last beacon: 168ms ago
                    IE: Unknown: 00094E4555465F30303330
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD840050F204104A00011010440001021041000100103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA812102100044E4555461023000A4E42342D4658432D72321024000A4E42342D4658432D72321042000C3030313733334242303033301054000800060050F2040001101100094E4555465F30303330100800020084103C000101
                    IE: Unknown: DD090010180200F02C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 30 - Address: 00:24:D4:9E:73:0D
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:off
                    ESSID:"FreeWifi"
                    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=0000000086178160
                    Extra: Last beacon: 384ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 31 - Address: C0:3F:0E:B6:23:85
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"NUMERICABLE-1ECA"
                    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=00000025a353c165
                    Extra: Last beacon: 1032ms ago
                    IE: Unknown: 00104E554D4552494341424C452D31454341
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 050400010006
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180202F0000000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 32 - Address: 02:22:3F:67:95:D0
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"DartyBox_19FC_WEP"
                    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=0000004f59de304e
                    Extra: Last beacon: 1004ms ago
                    IE: Unknown: 00114461727479426F785F313946435F574550
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180201F0000000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 33 - Address: F4:CA:E5:A7:03:06
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=00000096cc00027f
                    Extra: Last beacon: 480ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050401020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000F03A4000027A4000042435E0062322F00
          Cell 34 - Address: F4:CA:E5:BA:BD:04
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"freebox_ouardi"
                    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=000000381f480560
                    Extra: Last beacon: 476ms ago
                    IE: Unknown: 000E66726565626F785F6F7561726469
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 35 - Address: F4:CA:E5:9B:CC:EA
                    Channel:13
                    Frequency:2.472 GHz (Channel 13)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=0000020a58b90160
                    Extra: Last beacon: 192ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010D
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160D000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 36 - Address: 00:17:33:B7:DF:40
                    Channel:13
                    Frequency:2.472 GHz (Channel 13)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"NewIda"
                    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=00000075d4c6d18e
                    Extra: Last beacon: 172ms ago
                    IE: Unknown: 00064E6577496461
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 03010D
                    IE: Unknown: 050400030000
                    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: DD0E0050F204104A0001101044000102
                    IE: Unknown: DD090010180201F02C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 37 - Address: F4:CA:E5:9B:CC:E9
                    Channel:13
                    Frequency:2.472 GHz (Channel 13)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:off
                    ESSID:"FreeWifi"
                    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=0000020a58ba8160
                    Extra: Last beacon: 128ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010D
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160D000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 38 - Address: F4:CA:E5:9B:CC:E8
                    Channel:13
                    Frequency:2.472 GHz (Channel 13)
                    Quality=70/70  Signal level=0 dBm  
                    Encryption key:on
                    ESSID:"FREEBOX_PATRICIA_LC"
                    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=0000020a58bc0160
                    Extra: Last beacon: 60ms ago
                    IE: Unknown: 001346524545424F585F50415452494349415F4C43
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 03010D
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160D000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00

eth0      Interface doesn't support scanning.

J'ignore si c'est important ?...

eleven@eleven:~$ cat  /etc/network/interfaces
auto lo
iface lo inet loopback
eleven@eleven:~$ nm-tool

NetworkManager Tool

State: connected (global)

- Device: wlan0  [Enrevir] -----------------------------------------------------
  Type:              802.11 WiFi
  Driver:            b43
  State:             connected
  Default:           yes
  HW Address:        XXXXXXXXXXX

  Capabilities:
    Speed:           1 Mb/s

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points (* = current AP)
    FreeWifi_secure: Infra, 00:24:D4:9E:73:0E, Freq 2462 MHz, Rate 54 Mb/s, Strength 100 WPA2 Enterprise
    FreeWifi_secure: Infra, 00:24:D4:E6:D2:82, Freq 2462 MHz, Rate 54 Mb/s, Strength 64 WPA2 Enterprise
    FreeWifi_secure: Infra, F4:CA:E5:CF:DE:CE, Freq 2437 MHz, Rate 54 Mb/s, Strength 0 WPA2 Enterprise
    NUMERICABLE-1ECA:Infra, C0:3F:0E:B6:23:85, Freq 2437 MHz, Rate 54 Mb/s, Strength 62 WEP
    FreeWifi:        Infra, 00:24:D4:9E:73:0D, Freq 2462 MHz, Rate 54 Mb/s, Strength 100
    FreeWifi:        Infra, F4:CA:E5:CF:DE:CD, Freq 2437 MHz, Rate 54 Mb/s, Strength 62
    *Enrevir:        Infra, 00:24:D4:9E:73:0C, Freq 2462 MHz, Rate 54 Mb/s, Strength 100 WPA
    Bbox-A85D14:     Infra, 00:19:70:75:33:DC, Freq 2437 MHz, Rate 54 Mb/s, Strength 65 WPA WPA2
    NUMERICABLE-B21F:Infra, 24:EC:99:02:C2:44, Freq 2412 MHz, Rate 54 Mb/s, Strength 62 WPA WPA2
    Winternet_is_Coming: Infra, F4:CA:E5:CF:DE:CC, Freq 2437 MHz, Rate 54 Mb/s, Strength 0 WPA
    SFR WiFi Mobile: Infra, C2:7E:CB:49:0D:87, Freq 2412 MHz, Rate 54 Mb/s, Strength 49 WPA2 Enterprise
    Livebox-1ec0:    Infra, 00:19:70:4B:C4:BE, Freq 2437 MHz, Rate 54 Mb/s, Strength 44 WPA WPA2
    freebox_Elmi:    Infra, 00:24:D4:E6:D2:80, Freq 2462 MHz, Rate 54 Mb/s, Strength 40 WPA
    SFR WiFi Mobile: Infra, 9A:17:33:BB:00:37, Freq 2462 MHz, Rate 54 Mb/s, Strength 37 WPA2 Enterprise
    FreeWifi_secure: Infra, 72:0B:95:89:AF:33, Freq 2432 MHz, Rate 54 Mb/s, Strength 35 WPA Enterprise
    NEUF_5204:       Infra, 00:25:15:54:52:08, Freq 2462 MHz, Rate 54 Mb/s, Strength 34 WPA
    FREEBOX_PATRICIA_LC: Infra, F4:CA:E5:9B:CC:E8, Freq 2472 MHz, Rate 54 Mb/s, Strength 30 WPA
    Bbox-185814:     Infra, 00:1F:9F:E4:36:A7, Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2
    SFR WiFi Mobile: Infra, A2:25:15:54:52:0B, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WPA2 Enterprise
    NEUF_7494:       Infra, 00:25:15:5C:74:98, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WPA
    FreeWifi_secure: Infra, F4:CA:E5:9B:CC:EA, Freq 2472 MHz, Rate 54 Mb/s, Strength 29 WPA2 Enterprise
    STUDIO MURILLO:  Infra, 00:17:33:00:36:4B, Freq 2462 MHz, Rate 54 Mb/s, Strength 52 WEP
    FreeWifi:        Infra, 00:24:D4:E6:D2:81, Freq 2462 MHz, Rate 54 Mb/s, Strength 40
    SFR WiFi FON:    Infra, A2:25:15:54:52:09, Freq 2462 MHz, Rate 54 Mb/s, Strength 30
    FreeWifi:        Infra, F4:CA:E5:9B:CC:E9, Freq 2472 MHz, Rate 54 Mb/s, Strength 29
    Bouygues Telecom Wi-Fi: Infra, 02:1F:9F:E4:36:A8, Freq 2412 MHz, Rate 54 Mb/s, Strength 27
    DartyBox_19FC:   Infra, 00:22:3F:67:95:CF, Freq 2437 MHz, Rate 54 Mb/s, Strength 47 WPA
    NEUF_0030:       Infra, 00:17:33:BB:00:34, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA
    Livebox-2076:    Infra, 4C:AC:0A:5F:20:76, Freq 2412 MHz, Rate 54 Mb/s, Strength 39 WPA WPA2
    Rezodeben:       Infra, 00:25:4B:06:25:97, Freq 2412 MHz, Rate 54 Mb/s, Strength 0 WPA WPA2
    FreeWifi_secure: Infra, F4:CA:E5:A7:03:06, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WPA2 Enterprise
    Pandore:         Infra, F4:CA:E5:A7:03:04, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WPA
    NEUF_MAISON:     Infra, 00:17:33:D7:2F:14, Freq 2442 MHz, Rate 54 Mb/s, Strength 30 WPA
    FreeWifi_secure: Infra, AE:8E:87:99:B4:03, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA Enterprise
    freebox_IBLMCH:  Infra, AE:8E:87:99:B4:00, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA
    SFR WiFi Mobile: Infra, 72:25:15:5C:74:9B, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA2 Enterprise
    freebox_ouardi:  Infra, F4:CA:E5:BA:BD:04, Freq 2462 MHz, Rate 54 Mb/s, Strength 0 WPA
    Bbox-9F56C4:     Infra, 96:FE:F4:9F:56:C4, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA WPA2
    DartyBox_19FC_WEP: Infra, 02:22:3F:67:95:D0, Freq 2437 MHz, Rate 54 Mb/s, Strength 50 WEP
    NUMERICABLE-E67E:Infra, 00:1A:2B:6C:BD:92, Freq 2437 MHz, Rate 54 Mb/s, Strength 47 WEP
    NUMERICABLE-DDC8:Infra, C4:17:FE:B5:35:36, Freq 2462 MHz, Rate 54 Mb/s, Strength 0 WEP
    SFR WiFi Public: Infra, C2:7E:CB:49:0D:85, Freq 2412 MHz, Rate 54 Mb/s, Strength 47
    SFR WiFi Public: Infra, 9A:17:33:BB:00:35, Freq 2462 MHz, Rate 54 Mb/s, Strength 44
    FreeWifi:        Infra, AE:8E:87:99:B4:02, Freq 2462 MHz, Rate 54 Mb/s, Strength 30
    SFR WiFi Public: Infra, 72:25:15:5C:74:99, Freq 2462 MHz, Rate 54 Mb/s, Strength 29
    SFR WiFi Public: Infra, A2:7E:CB:4B:E7:45, Freq 2412 MHz, Rate 54 Mb/s, Strength 0
    FreeWifi:        Infra, F4:CA:E5:A7:03:05, Freq 2462 MHz, Rate 54 Mb/s, Strength 27
    Bouygues Telecom Wi-Fi: Infra, 96:FE:F4:9F:56:C5, Freq 2462 MHz, Rate 54 Mb/s, Strength 0
    SFR_0D80:        Infra, 30:7E:CB:49:0D:84, Freq 2412 MHz, Rate 54 Mb/s, Strength 0 WPA
    FreeWifi_secure: Infra, F4:CA:E5:DD:44:AA, Freq 2427 MHz, Rate 54 Mb/s, Strength 39 WPA2 Enterprise
    Wifi_freebox:    Infra, 72:0B:95:89:AF:30, Freq 2432 MHz, Rate 54 Mb/s, Strength 0 WPA
    FreeWifi:        Infra, F4:CA:E5:DD:44:A9, Freq 2427 MHz, Rate 54 Mb/s, Strength 39
    Bouygues Telecom Wi-Fi: Infra, 02:1F:9F:F5:99:28, Freq 2437 MHz, Rate 54 Mb/s, Strength 0
    Freebox-4AAC30:  Infra, F4:CA:E5:DD:44:A8, Freq 2427 MHz, Rate 54 Mb/s, Strength 37 WPA
    freebox_DE_BRADI:Infra, F4:CA:E5:D4:00:D8, Freq 2437 MHz, Rate 54 Mb/s, Strength 35 WPA
    SFR_E740:        Infra, 30:7E:CB:4B:E7:44, Freq 2412 MHz, Rate 54 Mb/s, Strength 0 WPA
    SFR WiFi Mobile: Infra, A2:7E:CB:4B:E7:47, Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WPA2 Enterprise
    FreeWifi_secure: Infra, F4:CA:E5:BA:BD:06, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA2 Enterprise
    FreeWifi:        Infra, F4:CA:E5:D4:00:D9, Freq 2437 MHz, Rate 54 Mb/s, Strength 0
    FreeWifi:        Infra, 72:0B:95:89:AF:32, Freq 2432 MHz, Rate 54 Mb/s, Strength 0
    FreeWifi:        Infra, F4:CA:E5:BA:BD:05, Freq 2462 MHz, Rate 54 Mb/s, Strength 0
    NewIda:          Infra, 00:17:33:B7:DF:40, Freq 2472 MHz, Rate 54 Mb/s, Strength 0 WPA WPA2
    Bbox-A712F8:     Infra, 00:26:44:F2:BD:3D, Freq 2412 MHz, Rate 54 Mb/s, Strength 27 WPA WPA2
    Bouygues Telecom Wi-Fi: Infra, 02:26:44:F2:BD:3E, Freq 2412 MHz, Rate 54 Mb/s, Strength 0
    NEUF_D9D0:       Infra, 00:17:33:E2:D9:D4, Freq 2412 MHz, Rate 54 Mb/s, Strength 0 WPA
    SFR WiFi Public: Infra, 72:17:33:E2:D9:D5, Freq 2412 MHz, Rate 54 Mb/s, Strength 0
    FreeWifi_secure: Infra, F4:CA:E5:EF:A9:26, Freq 2442 MHz, Rate 54 Mb/s, Strength 25 WPA2 Enterprise
    gonzague:        Infra, F4:CA:E5:A7:BB:C4, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA
    freebox_BriBri:  Infra, 62:98:5C:C9:44:F4, Freq 2422 MHz, Rate 54 Mb/s, Strength 0 WPA

  IPv4 Settings:
    Address:         192.168.0.11
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.0.254

    DNS:             192.168.0.254


- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            tg3
  State:             unavailable
  Default:           no
  HW Address:        40:6C:8F:5B:0D:EF

  Capabilities:
    Carrier Detect:  yes

  Wired Properties
    Carrier:         off
eleven@eleven:~$ uname -r -m
3.2.0-42-generic-pae i686
eleven@eleven:~$ uname -r -m
3.2.0-42-generic-pae i686
eleven@eleven:~$ sudo rfkill list
0: hci0: Bluetooth
	Soft blocked: yes
	Hard blocked: no
1: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

Merci d'avance !

Dernière modification par Eleven (Le 19/05/2013, à 23:38)

Hors ligne

#2 Le 12/05/2013, à 01:04

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Snif, snif, un petit up ?... J'ai tenté entre temps cette manip', mais rien de bien concluant...

Hors ligne

#3 Le 12/05/2013, à 01:45

david96

Re : [Résolu] Connexion wifi lente ou inexistante

Sinon plus simple et efficace, en général les clés USB WIFI sont natifs sous GNU/Linux (demande au vendeur). Ça doit coûter entre 10 et 20 €.
Tu peux tester, tu as droit a  une ou deux semaines pour te faire rembourser (garde bien le ticket de caisse) wink

Édite :

iwconfig

Mais je vois que le wifi est reconnu ! Je crains tu le soulignes en intro… Rhaa la la, je fatigue, désolé.

cat  /etc/network/interfaces

Pas de config wifi, ceci dit, si tu passes par network je pense que ce fichier n'est plus utile en ce qui concerne la connexion internet.

Dernière modification par david96 (Le 12/05/2013, à 01:52)

Hors ligne

#4 Le 12/05/2013, à 10:37

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Merci à toi de ta réponse !

J'ai essayé de modifier le canal de ma box,pour voir, et elle se déconnecte beaucoup moins maintenant... Le problème, c'est que maintenant c'est le PC sous W7 qui se déconnecte !

Bon, à confirmer dans le temps, mais je passe en résolu... pour le moment !

Hors ligne

#5 Le 14/05/2013, à 22:22

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Bon, eh bien ce n'est malheureusement pas concluant... ça se reproduit tout comme avant.

Du coup, quelque âme charitable aurait-elle des idées ?...

Hors ligne

#6 Le 15/05/2013, à 22:12

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Ah, et j'oubliais : la commande que tu m'as donné, david96, donne ça :

eleven@eleven:~$ cat  /etc/network/interfaces
auto lo
iface lo inet loopback

Hors ligne

#7 Le 15/05/2013, à 22:49

patked

Re : [Résolu] Connexion wifi lente ou inexistante

Salut,

Cf la doc Ubuntu :
Version 12.04

lsmod |grep ath .  Si tu vois ATH9K alors lance :
echo "options ath9k nohwcrypt=1" | sudo tee -a /etc/modprobe.d/ath9k.conf
Puis un rédémarrage,

Cela a très bien fonctionné pour moi.

Hors ligne

#8 Le 16/05/2013, à 08:14

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

La commande me renvoie ça :

eleven@eleven:~$ lsmod |grep ath
dm_multipath           22747  0 

J'ignore si c'est positif ?...

Hors ligne

#9 Le 16/05/2013, à 08:25

navtex

Re : [Résolu] Connexion wifi lente ou inexistante

bonjour
il semble que tu as du Broadcom, tu peux voir si ses pilotes sont installés (synaptic) ou les topic qui les mentionnent


Xubuntu sur CLEVO PA7 i5 32ram Jammy Jellyfish
ABientot sur le Libre

Hors ligne

#10 Le 16/05/2013, à 21:09

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Oui, je les ai bien installés, j'ai le driver b43... Tu penses que ça peut en être la cause ?

J'ai trouvé ce lien (en anglais) en farfouillant sur le net, quelqu'un a-t-il des retours ?

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#11 Le 16/05/2013, à 21:27

navtex

Re : [Résolu] Connexion wifi lente ou inexistante

aucune idée , je ne suis pas specialiste wifi ,
tu peux aussi essayer " wicd "  au lieu de network-manager


Xubuntu sur CLEVO PA7 i5 32ram Jammy Jellyfish
ABientot sur le Libre

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#12 Le 17/05/2013, à 00:07

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Bon, eh bien on croise les doigts, on touche du bois, mais ça a l'air de tenir ma foi...
Maintenant, qui, du driver bcmwl ou de wicd, fait que ça a marché, je l'ignore. A priori je dirais que c'est ta solution qui a marché, puisque ma carte Wifi (Broadcom b4331) n'est pas supportée par le driver bcmwl selon Synaptic.

Bref l'important c'est que ça marche ! Si ça se confirme je passerai en résolu (pour de bon cette fois).

Merci à toi pour ta réponse et bonne soirée !

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#13 Le 17/05/2013, à 00:11

david96

Re : [Résolu] Connexion wifi lente ou inexistante

Super, croisons les doigts smile

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#14 Le 19/05/2013, à 23:39

Eleven

Re : [Résolu] Connexion wifi lente ou inexistante

Bon, eh bien ça a l'air de tenir sur la durée.

Ayant eu pas mal de conflits avec Wicd et Network Manager (Wicd ne l'avait pas désinstallé), je l'ai viré, donc tout me laisse à penser que c'est le driver qui a stabilisé ma connexion.

Merci à tous de s'être penchés sur on problème, et bonne soirée !

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