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#1 Le 14/10/2015, à 06:18
- A3P
Ubuntu connecté au wifi sans accès
Bonjour à tous !
Je rouvre un sujet de ce type parce que d'après ce que j'ai compris, ce genre de bug marche beaucoup au cas par cas.
J'ai Ubuntu sur l'ordinateur portable lycée offert par la région de l'île de la Réunion, c'est un Toshiba. Ces derniers temps, mon ordinateur est pourtant connecté à la box, mais parfois, ça se met à ramer, et là impossible de faire quoique ce soit sur internet à moins que je le redemarre. Et je le redemarre dès que ça reprend, mais du coup c'est un peu embêtant.
Pouvez-vous m'aider s'il vous plait ?
Merci d'avance
Hors ligne
#2 Le 14/10/2015, à 10:36
- toutafai
Re : Ubuntu connecté au wifi sans accès
Bonjour,
commence par lire et faire au choix un de ces 2 messages :
"A lire avant de poster !!" ou bien, "Script : Recolte des infos de a lire avant de poster !!"
PS: ces 2 messages sont épinglés (=toujours dans les 1 ers messages) dans la section "Configuration Wifi" de ce forum (la ou tu aurais du aller et peut etre voir un de ces 2 messages)
Dernière modification par toutafai (Le 14/10/2015, à 10:37)
Tombé dans l'informatique étant petit, j'en ai fait mon métier. Utilisateur d'Ubuntu depuis novembre 2006, actuellement sous 20.04 x64 (Que d'évolution
depuis Dapper Drake ! Ça rajeunit pas ^^^).
Hors ligne
#3 Le 15/10/2015, à 16:28
- A3P
Re : Ubuntu connecté au wifi sans accès
Oh, excusez moi, vraiment, j'étais précipité par la hâte, excusez moi
alors voilà !
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"
>> lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 004: ID 04f2:b446 Chicony Electronics Co., Ltd
Bus 002 Device 003: ID 8087:07dc Intel Corp.
Bus 002 Device 002: ID 062a:4101 Creative Labs
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
07:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
Subsystem: Intel Corporation Dual Band Wireless AC 3160 [8086:8170]
Kernel driver in use: iwlwifi
08:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Toshiba America Info Systems Device [1179:f920]
Kernel driver in use: r8169
09:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260] [1002:6900]
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: Wireless 3160
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:07:00.0
nom logique: wlan0
version: 83
numéro de série: 30:3a:64:8a:0e:49
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=3.13.0-65-generic firmware=22.24.8.0 ip=192.168.1.15 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
ressources: irq:68 mémoire:b3700000-b3701fff
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:08:00.0
nom logique: eth0
version: 0c
numéro de série: c4:54:44:aa:0a:7c
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-2_0.0.1 02/06/13 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
ressources: irq:63 portE/S:4000(taille=256) mémoire:b3600000-b3600fff mémoire:b3400000-b3403fff
>> lsmod
Module Size Used by
ctr 13049 1
ccm 17773 1
uvcvideo 80885 0
videobuf2_vmalloc 13216 1 uvcvideo
videobuf2_memops 13362 1 videobuf2_vmalloc
videobuf2_core 40664 1 uvcvideo
videodev 134688 2 uvcvideo,videobuf2_core
arc4 12608 2
iwlmvm 189852 0
mac80211 630728 1 iwlmvm
bnep 19624 2
rfcomm 69160 8
intel_rapl 18773 0
x86_pkg_temp_thermal 14205 0
intel_powerclamp 14705 0
coretemp 13435 0
kvm_intel 143187 0
kvm 455843 1 kvm_intel
dm_multipath 22873 0
crct10dif_pclmul 14289 0
scsi_dh 14882 1 dm_multipath
crc32_pclmul 13113 0
ghash_clmulni_intel 13216 0
aesni_intel 55624 2
aes_x86_64 17131 1 aesni_intel
lrw 13286 1 aesni_intel
gf128mul 14951 1 lrw
glue_helper 13990 1 aesni_intel
ablk_helper 13597 1 aesni_intel
cryptd 20359 3 ghash_clmulni_intel,aesni_intel,ablk_helper
joydev 17381 0
fglrx 12457899 0
iwlwifi 169932 1 iwlmvm
snd_hda_codec_hdmi 46368 1
serio_raw 13462 0
snd_hda_codec_conexant 57486 1
cfg80211 484040 3 iwlwifi,mac80211,iwlmvm
snd_hda_intel 56531 5
rtsx_pci_ms 18151 0
snd_hda_codec 193017 3 snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_hda_intel
memstick 16966 1 rtsx_pci_ms
amd_iommu_v2 19054 1 fglrx
snd_hwdep 13602 1 snd_hda_codec
lpc_ich 21080 0
snd_pcm 102099 3 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel
snd_page_alloc 18710 2 snd_pcm,snd_hda_intel
shpchp 37032 0
snd_seq_midi 13324 0
mei_me 18627 0
snd_seq_midi_event 14899 1 snd_seq_midi
mei 82276 1 mei_me
snd_rawmidi 30144 1 snd_seq_midi
btusb 32412 0
bluetooth 391136 22 bnep,btusb,rfcomm
snd_seq 61560 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 14497 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 29482 2 snd_pcm,snd_seq
snd 69322 21 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
soundcore 12680 1 snd
toshiba_acpi 22901 0
toshiba_bluetooth 12852 0
sparse_keymap 13948 1 toshiba_acpi
binfmt_misc 17468 1
nls_iso8859_1 12713 1
mac_hid 13205 0
acpi_pad 17926 0
parport_pc 32701 0
ppdev 17671 0
lp 17759 0
parport 42348 3 lp,ppdev,parport_pc
btrfs 835994 0
xor 21411 1 btrfs
raid6_pq 97812 1 btrfs
libcrc32c 12644 1 btrfs
dm_mirror 22135 0
dm_region_hash 20862 1 dm_mirror
dm_log 18411 2 dm_region_hash,dm_mirror
hid_generic 12548 0
usbhid 52659 0
hid 106148 2 hid_generic,usbhid
rtsx_pci_sdmmc 23274 0
i915 788212 7
i2c_algo_bit 13413 1 i915
drm_kms_helper 55071 1 i915
psmouse 106692 0
r8169 71677 0
rtsx_pci 46245 2 rtsx_pci_ms,rtsx_pci_sdmmc
mii 13934 1 r8169
drm 303102 6 i915,drm_kms_helper
ahci 34091 3
libahci 32716 1 ahci
wmi 19177 1 toshiba_acpi
video 19476 1 i915
>> iwconfig
wlan0 IEEE 802.11abgn ESSID:"Livebox-82C2"
Mode:Managed Frequency:2.462 GHz Access Point: 34:8A:AE:38:82:C2
Bit Rate=72.2 Mb/s Tx-Power=22 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=48/70 Signal level=-62 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:162 Missed beacon:0
>> ifconfig -a
eth0 Link encap:Ethernet HWaddr c4:54:44:aa:0a:7c
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:323 erreurs:0 :0 overruns:0 frame:0
TX packets:323 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:25637 (25.6 KB) Octets transmis:25637 (25.6 KB)
wlan0 Link encap:Ethernet HWaddr 30:3a:64:8a:0e:49
inet adr:192.168.1.15 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::323a:64ff:fe8a:e49/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:4912 erreurs:0 :0 overruns:0 frame:0
TX packets:2489 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:2243388 (2.2 MB) Octets transmis:442090 (442.0 KB)
>> sudo iwlist scan
wlan0 Scan completed :
Cell 01 - Address: 34:8A:AE:38:82:C2
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=47/70 Signal level=-63 dBm
Encryption key:on
ESSID:"Livebox-82C2"
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=000001201da2720c
Extra: Last beacon: 96ms ago
IE: Unknown: 000C4C697665626F782D38324332
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D160B080400000000000000000000000000000000000000
IE: Unknown: 34160B080400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103A3B3F48484CFA3FFF394A39073B3F4810210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E31104200094C4B313431353646461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Cell 02 - Address: 46:8A:AE:38:82:C2
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=48/70 Signal level=-62 dBm
Encryption key:off
ESSID:"orange"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s
Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000001201da2b180
Extra: Last beacon: 3844ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 050402030000
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D160B080400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101850003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
Cell 03 - Address: 34:8A:AE:38:82:C3
Channel:100
Frequency:5.5 GHz (Channel 100)
Quality=37/70 Signal level=-73 dBm
Encryption key:on
ESSID:"Livebox-82C2"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000012019d3b03b
Extra: Last beacon: 1904ms ago
IE: Unknown: 000C4C697665626F782D38324332
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030164
IE: Unknown: 050401030000
IE: Unknown: 07344652202401172801172C01173001173401173801173C01174001176401176801176C01177001177401178401178801178C011700
IE: Unknown: 200100
IE: Unknown: 2D1AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 3D16640D0000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
Cell 04 - Address: 00:00:00:00:00:00
Channel:100
Frequency:5.5 GHz (Channel 100)
Quality=43/70 Signal level=-67 dBm
Encryption key:on
ESSID:"Livebox-82C2"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000012019d3b5e4
Extra: Last beacon: 96ms ago
IE: Unknown: 000C4C697665626F782D38324332
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030164
IE: Unknown: 07344652202401172801172C01173001173401173801173C01174001176401176801176C01177001177401178401178801178C011700
IE: Unknown: 200100
IE: Unknown: 2D1AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 331AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 3D16640D0000000000000000000000000000000000000000
IE: Unknown: 3416640D0000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
IE: Unknown: DD8F0050F204104A0001101044000102103B000103104700103A3B3F48484CFA3FFF394A39073B3F4810210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E31104200094C4B313431353646461054000800060050F204000110110000100800020006103C0001021049000600372A000120
>> uname -r -m
3.13.0-65-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: eth0 -----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: C4:54:44:AA:0A:7C
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: wlan0 [Livebox-82C2] ------------------------------------------------
Type: 802.11 WiFi
Driver: iwlwifi
State: connected
Default: yes
HW Address: 30:3A:64:8A:0E:49
Capabilities:
Speed: 72 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
Livebox-82C2: Infra, 34:8A:AE:38:82:C3, Freq 5500 MHz, Rate 54 Mb/s, Strength 55 WPA WPA2
orange: Infra, 46:8A:AE:38:82:C2, Freq 2462 MHz, Rate 54 Mb/s, Strength 64
*Livebox-82C2: Infra, 34:8A:AE:38:82:C2, Freq 2462 MHz, Rate 54 Mb/s, Strength 57 WPA WPA2
IPv4 Settings:
Address: 192.168.1.15
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Hors ligne
#4 Le 16/10/2015, à 15:02
- toutafai
Re : Ubuntu connecté au wifi sans accès
ok,et un de plus pour le grand classique sur les livebox : le double cryptage/chiffrement....purée, c'est cause de dysfonctionnement. La solution est de choisir soit que du wpa1 TKIP, soit que du wpa2 AES. ne pas oublier d'enregistrer les changement sur la box et de la rebooter une fois que c'est fait.
Tombé dans l'informatique étant petit, j'en ai fait mon métier. Utilisateur d'Ubuntu depuis novembre 2006, actuellement sous 20.04 x64 (Que d'évolution
depuis Dapper Drake ! Ça rajeunit pas ^^^).
Hors ligne
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