Pages : 1
#1 Le 16/04/2013, à 12:12
- Fotomaton
Wifi qui ralentit et pertes de connexions
Bonjour tout le monde!
Voilà, j'ai un léger problème auquel je ne comprend pas grand chose. J'ai installé Ubuntu sur un PC qui a maintenant pas mal d'années pour le faire revivre et ça marche plutôt bien, seulement ce dernier n'a pas de carte wifi. J'ai donc essayé une clé wifi que j'utilise sur un autre PC, la Belkin N300, qui n'a pas marché (pas trop de surprise) mais d'une façon un peu particulière : elle détecte les réseaux et tente de s'y connecter, en boucle (toutes les 30 secondes environ) sans jamais réussir.
j'ai donc trouvé dans la liste des cartes et clés testées la Hercules HWGUm-54 et je l'ai commandée : miracle, tout fonctionne! Seulement voilà :
- très souvent le débit baisse progressivement, parfois jusqu'au néant (je n'ai pas de chiffres mais je l'ai senti, par exemple une fois je peux regarder du full hd pendant 15 secondes d'affilée, une autre fois c'est juste inconcevable)
- parfois la clé ne parvient pas à se connecter et boucle comme la N300 de Belkin; je dois la débrancher et la rebrancher pour que ça marche
- J'ai de temps en temps une perte de connexion mais pas trop souvent
Je n'y comprend vraiment rien et j'aimerais bien y voir plus clair...
Au cas où j'ai réalisé cette manœuvre, mais je ne sais pas si elle a servi à quelque chose :
- gksudo gedit /etc/modprobe.d/iwlwifi.conf
- ligne rajoutée à la fin : "options iwlwifi 11n_disable=1"
Voici les commandes demandées (si ça peut être utile, je suis sous 12.04.2 et ma box c'est "Livebox-bb36"):
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.2 LTS"
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:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 005: ID 06f8:e032 Guillemot Corp. HWGUm-54 [Hercules Wireless G Ultra Mini Key]
Bus 002 Device 002: ID 0644:0200 TEAC Corp. All-In-One Multi-Card Reader CA200/B/S
Bus 004 Device 002: ID 413c:3012 Dell Computer Corp. Optical Wheel Mouse
Bus 004 Device 003: ID 413c:2003 Dell Computer Corp. Keyboard
lspci
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02)
00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 02)
00:19.0 Ethernet controller: Intel Corporation 82562V-2 10/100 Network Connection (rev 02)
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA Controller [IDE mode] (rev 02)
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA Controller [IDE mode] (rev 02)
01:00.0 VGA compatible controller: NVIDIA Corporation G86 [GeForce 8300 GS] (rev a1)
02:01.0 FireWire (IEEE 1394): LSI Corporation FW322/323 (rev 61)
lspci -nn | grep -i net
00:19.0 Ethernet controller [0200]: Intel Corporation 82562V-2 10/100 Network Connection [8086:10c0] (rev 02)
lspci -k
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02)
Subsystem: Dell Device 0238
00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 02)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:19.0 Ethernet controller: Intel Corporation 82562V-2 10/100 Network Connection (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: ehci_hcd
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: snd_hda_intel
Kernel modules: snd-hda-intel
00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: uhci_hcd
00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: ehci_hcd
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
Subsystem: Dell Device 0238
Kernel modules: iTCO_wdt
00:1f.2 IDE interface: Intel Corporation 82801IR/IO/IH (ICH9R/DO/DH) 4 port SATA Controller [IDE mode] (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: ata_piix
00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
Subsystem: Dell Device 0238
Kernel modules: i2c-i801
00:1f.5 IDE interface: Intel Corporation 82801I (ICH9 Family) 2 port SATA Controller [IDE mode] (rev 02)
Subsystem: Dell Device 0238
Kernel driver in use: ata_piix
01:00.0 VGA compatible controller: NVIDIA Corporation G86 [GeForce 8300 GS] (rev a1)
Subsystem: NVIDIA Corporation Device 0494
Kernel driver in use: nouveau
Kernel modules: nouveau, nvidiafb
02:01.0 FireWire (IEEE 1394): LSI Corporation FW322/323 (rev 61)
Subsystem: Dell Device 8010
Kernel driver in use: firewire_ohci
Kernel modules: firewire-ohci
sudo lshw -C network
*-network
description: Ethernet interface
produit: 82562V-2 10/100 Network Connection
fabriquant: Intel Corporation
identifiant matériel: 19
information bus: pci@0000:00:19.0
nom logique: eth0
version: 02
numéro de série: 00:1a:a0:9a:d2:da
capacité: 100Mbit/s
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=1.5.1-k firmware=1.1-2 latency=0 link=no multicast=yes port=twisted pair
ressources: irq:41 mémoire:fdfc0000-fdfdffff mémoire:fdfff000-fdffffff portE/S:ff00(taille=32)
*-network
description: Interface réseau sans fil
identifiant matériel: 1
information bus: usb@1:6
nom logique: wlan0
numéro de série: 00:08:d3:93:6b:f8
fonctionnalités: ethernet physical wireless
configuration: broadcast=yes driver=r8712u ip=192.168.1.23 multicast=yes wireless=IEEE 802.11bg
lsmod
Module Size Used by
parport_pc 32866 0
ppdev 17113 0
rfcomm 47604 0
bnep 18281 2
bluetooth 180153 10 rfcomm,bnep
snd_hda_codec_realtek 224173 1
snd_hda_intel 33719 3
snd_hda_codec 127706 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 17764 1 snd_hda_codec
snd_pcm 97275 2 snd_hda_intel,snd_hda_codec
snd_seq_midi 13324 0
dcdbas 14490 0
snd_rawmidi 30748 1 snd_seq_midi
psmouse 97485 0
snd_seq_midi_event 14899 1 snd_seq_midi
snd_seq 61929 2 snd_seq_midi,snd_seq_midi_event
r8712u 189646 0
snd_timer 29990 2 snd_pcm,snd_seq
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
serio_raw 13211 0
snd 79041 15 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 15091 1 snd
snd_page_alloc 18529 2 snd_hda_intel,snd_pcm
mac_hid 13253 0
nouveau 775039 3
ttm 76949 1 nouveau
drm_kms_helper 46978 1 nouveau
drm 241971 5 nouveau,ttm,drm_kms_helper
i2c_algo_bit 13423 1 nouveau
mxm_wmi 13021 1 nouveau
wmi 19256 1 mxm_wmi
video 19651 1 nouveau
lp 17799 0
parport 46562 3 parport_pc,ppdev,lp
usbhid 47238 0
hid 99636 1 usbhid
firewire_ohci 41000 0
firewire_core 63600 1 firewire_ohci
crc_itu_t 12707 1 firewire_core
e1000e 156873 0
usb_storage 49243 0
iwconfig
lo no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"Livebox-bb36" Nickname:"rtl_wifi"
Mode:Managed Frequency:2.457 GHz Access Point: 00:1A:6B:CA:04:98
Bit Rate:54 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=93/100 Signal level=44/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth0 no wireless extensions.
ifconfig
eth0 Link encap:Ethernet HWaddr 00:1a:a0:9a:d2:da
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:20 Mémoire:fdfc0000-fdfe0000
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:993 erreurs:0 :0 overruns:0 frame:0
TX packets:993 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:75990 (75.9 KB) Octets transmis:75990 (75.9 KB)
wlan0 Link encap:Ethernet HWaddr 00:08:d3:93:6b:f8
inet adr:192.168.1.23 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::208:d3ff:fe93:6bf8/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:6305 erreurs:0 :120 overruns:0 frame:0
TX packets:4183 errors:0 dropped:26 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:6741787 (6.7 MB) Octets transmis:582456 (582.4 KB)
sudo iwlist scan
lo Interface doesn't support scanning.
wlan0 Scan completed :
Cell 01 - Address: 00:1A:6B:CA:04:98
ESSID:"Livebox-bb36"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.457 GHz (Channel 10)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:wpa_ie=dd180050f20101000050f20201000050f20201000050f2020c00
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Signal level=100/100
Cell 02 - Address: 00:1A:2B:8C:49:97
ESSID:"NUMERICABLE-5837"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.412 GHz (Channel 1)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020c00
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F204104A00011010440001021049000600372A000120
Signal level=43/100
Cell 03 - Address: 00:19:70:51:05:F6
ESSID:"Livebox-1ce0"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD880050F204104A000110104400010210570001001041000100103B00010310470010E8BE81231CE0E8BE81231CE081231CE010210005536167656D102300084C697665626F7832102400084C697665626F78321042000A4C4B31303236344450351054000800060050F20400011011000D4C697665626F78322D31434530100800020086103C000101
Signal level=26/100
Cell 04 - Address: 00:1A:2B:6A:CE:AA
ESSID:"NUMERICABLE-7A5D"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Signal level=43/100
Cell 05 - Address: 5C:33:8E:9D:75:D1
ESSID:"Livebox-b6f6"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD880050F204104A000110104400010210570001001041000100103B00010310470010405A9B35B6F6405A9B35B6F69B35B6F610210005536167656D102300084C697665626F7832102400084C697665626F78321042000A414E31323232373235341054000800060050F20400011011000D4C697665626F78322D42364636100800020086103C000101
Signal level=42/100
Cell 06 - Address: F4:CA:E5:DD:9B:C6
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
Signal level=43/100
Cell 07 - Address: 00:19:70:82:36:08
ESSID:"Livebox-bba9"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.437 GHz (Channel 6)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD880050F204104A000110104400010210570001001041000100103B0001031047001090013BDBBBA990013BDBBBA93BDBBBA910210005536167656D102300084C697665626F7832102400084C697665626F78321042000A4C4B31313232344450321054000800060050F20400011011000D4C697665626F78322D42424139100800020086103C000101
Signal level=42/100
Cell 08 - Address: F4:CA:E5:F8:36:10
ESSID:"fifi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Signal level=10/100
Cell 09 - Address: 00:1C:A2:D7:F6:44
ESSID:"ALICE-LAN-8EDFC9"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Signal level=26/100
Cell 10 - Address: F4:CA:E5:DD:9B:C5
ESSID:"FreeWifi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.442 GHz (Channel 7)
Encryption key:off
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Signal level=42/100
Cell 11 - Address: 00:24:D4:51:E5:16
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac010c00
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : 802.1x
Signal level=42/100
Cell 12 - Address: 00:25:15:B3:7E:28
ESSID:"NEUF_7E24"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020c00
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD840050F204104A00011010440001021041000100103B00010310470010D96C7EFC2F8938F1EFBD6E5148BFA812102100044E4555461023000A4E42342D5345522D72321024000A4E42342D5345522D72321042000C3030323531354233374532341054000800060050F2040001101100094E4555465F37453234100800020084103C000101
Signal level=26/100
Cell 13 - Address: B2:25:15:B3:7E:29
ESSID:"SFR WiFi Public"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:off
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Signal level=26/100
Cell 14 - Address: 84:74:2A:4F:F4:22
ESSID:"Livebox-F422"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD920050F204104A0001101044000102103B000103104700100000000000001000000084742A4FF422102100035A54451023000F4C697665626F7820465454482076321024001A6164363833365F4144534C5F5048595F30783030303030303030104200074C4D5A313230341054000800060050F20400011011000D465446525341332E363735373110080002008A103C000101
Signal level=42/100
Cell 15 - Address: 00:25:15:B2:8C:78
ESSID:"NEUF_8C74"
Protocol:IEEE 802.11bg
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020c00
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD0E0050F204104A0001101044000102
Signal level=42/100
Cell 16 - Address: 00:24:D4:51:E5:14
ESSID:"freebox_ZAJFXL"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:on
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Signal level=43/100
Cell 17 - Address: BA:54:7A:88:DB:A1
ESSID:"<hidden>"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
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; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:rsn_ie=30140100000fac040100000fac040100000fac020000
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Signal level=42/100
Cell 18 - Address: BA:54:7A:88:DB:A3
ESSID:"FreeWifi_secure"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.467 GHz (Channel 12)
Encryption key:on
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; 6 Mb/s; 12 Mb/s
24 Mb/s; 48 Mb/s
Extra:wpa_ie=dd160050f20101000050f20401000050f20401000050f201
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Signal level=42/100
Cell 19 - Address: 00:24:D4:51:E5:15
ESSID:"FreeWifi"
Protocol:IEEE 802.11bgn
Mode:Master
Frequency:2.462 GHz (Channel 11)
Encryption key:off
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; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Signal level=43/100
eth0 Interface doesn't support scanning.
uname -r -m
3.2.0-40-generic x86_64
cat /etc/network/interfaces
auto lo
iface lo inet loopback
nm-tool
NetworkManager Tool
State: connected (global)
- Device: wlan0 [Livebox-bb36] ------------------------------------------------
Type: 802.11 WiFi
Driver: r8712u
State: connected
Default: yes
HW Address: 00:08:D3:93:6B:F8
Capabilities:
Speed: 54 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
FreeWifi_secure: Infra, 00:24:D4:51:E5:16, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA2 Enterprise
ALICE-LAN-8EDFC9:Infra, 00:1C:A2:D7:F6:44, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA
NUMERICABLE-7A5D:Infra, 00:1A:2B:6A:CE:AA, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WEP
rovena: Infra, BA:54:7A:88:DB:A0, Freq 2467 MHz, Rate 54 Mb/s, Strength 42 WEP
Livebox-F422: Infra, 84:74:2A:4F:F4:22, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA WPA2
*Livebox-bb36: Infra, 00:1A:6B:CA:04:98, Freq 2457 MHz, Rate 54 Mb/s, Strength 90 WPA
NUMERICABLE-5837:Infra, 00:1A:2B:8C:49:97, Freq 2412 MHz, Rate 54 Mb/s, Strength 44 WPA WPA2
TGL: Infra, F4:CA:E5:DD:9B:C4, Freq 2442 MHz, Rate 54 Mb/s, Strength 42 WPA
Livebox-bba9: Infra, 00:19:70:82:36:08, Freq 2437 MHz, Rate 54 Mb/s, Strength 42 WPA WPA2
SFR WiFi Public: Infra, B2:25:15:B3:7E:29, Freq 2462 MHz, Rate 54 Mb/s, Strength 26
FreeWifi_secure: Infra, BA:54:7A:88:DB:A3, Freq 2467 MHz, Rate 54 Mb/s, Strength 42 WPA Enterprise
FreeWifi_secure: Infra, F4:CA:E5:F8:36:12, Freq 2442 MHz, Rate 54 Mb/s, Strength 26 WPA2 Enterprise
fifi: Infra, F4:CA:E5:F8:36:10, Freq 2442 MHz, Rate 54 Mb/s, Strength 26 WEP
FreeWifi: Infra, 00:24:D4:51:E5:15, Freq 2462 MHz, Rate 54 Mb/s, Strength 26
NEUF_8C74: Infra, 00:25:15:B2:8C:78, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA
Livebox-1ce0: Infra, 00:19:70:51:05:F6, Freq 2437 MHz, Rate 54 Mb/s, Strength 26 WPA WPA2
SFR WiFi Mobile: Infra, B2:25:15:B3:7E:2B, Freq 2462 MHz, Rate 54 Mb/s, Strength 10 WPA2 Enterprise
NUMERICABLE-AAA0:Infra, 00:1A:2B:58:16:13, Freq 2462 MHz, Rate 54 Mb/s, Strength 7 WEP
orange: Infra, 06:19:70:51:05:F6, Freq 2437 MHz, Rate 54 Mb/s, Strength 42
Bouygues Telecom Wi-Fi: Infra, 02:1F:9F:BB:59:06, Freq 2412 MHz, Rate 54 Mb/s, Strength 26
FreeWifi: Infra, BA:54:7A:88:DB:A2, Freq 2467 MHz, Rate 54 Mb/s, Strength 26
IPv4 Settings:
Address: 192.168.1.23
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: e1000e
State: unavailable
Default: no
HW Address: 00:1A:A0:9A:D2:DA
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
Merci d'avance de votre aide!
Dernière modification par Fotomaton (Le 16/04/2013, à 12:16)
Hors ligne
#2 Le 16/04/2013, à 12:37
- nam1962
Re : Wifi qui ralentit et pertes de connexions
J'ai commis une chcklist au #4 là, à voir avant de tweeker http://forum.ubuntu-fr.org/viewtopic.ph … #p12838931
[ Modéré ]
Hors ligne
#3 Le 16/04/2013, à 12:40
- Fotomaton
Re : Wifi qui ralentit et pertes de connexions
J'ai oublié de préciser que j'exploite ma box sur un autre PC sur lequel je n'ai jamais eu de problème, avec un débit très élevé. Après, l'ordinateur qui le problème est plus éloigné, mais j'ai aussi un portable qui fonctionne normalement au même endroit...
je vais quand même regarder ça !
Après il faudrait peut être que je nettoie l'intérieur de la tour? Ou ça n'a rien à voir?
EDIT : je précise que
sudo rfkill list
ne me retourne rien, je suis formel !
Dernière modification par Fotomaton (Le 16/04/2013, à 12:50)
Hors ligne
#4 Le 17/04/2013, à 11:21
- Fotomaton
Re : Wifi qui ralentit et pertes de connexions
Donc, personne d'autre n'aurait une idée?
Hors ligne
#5 Le 19/04/2013, à 11:04
- Fotomaton
Re : Wifi qui ralentit et pertes de connexions
Je me permet de remonter mon topic, ma connexion semble toujours ausis mal en point, mais en plus maintenant elle se coupe très régulièrement, je ne sais plus quoi faire! Dois-je reposter les résultats des commandes?
Merci d'avance
Hors ligne
#6 Le 20/04/2013, à 08:18
- nam1962
Re : Wifi qui ralentit et pertes de connexions
A propos, as tu nettoyé ta tour?
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