Pages : 1
#1 Le 30/10/2017, à 19:13
- ireachthesun
Connecté au wifi mais d'internet (Problème DNS)
Bonjour,
le problème est résumé dans le titre.
Je pense que le problème vient du DNS étant donné que le ping test me donne :
192.168.1.1 : ok !
8.8.8.8 : ok !
google.com : inconnu !
Pour info j'utilise Wicd.
Voici un wificheck :
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=17.04
DISTRIB_CODENAME=zesty
DISTRIB_DESCRIPTION="Ubuntu 17.04"
>> lsusb
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 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 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>> lspci -k -nn | grep -A 3 -i net
04:00.0 Ethernet controller [0200]: Broadcom Limited NetLink BCM5906M Fast Ethernet PCI Express [14e4:1713] (rev 02)
Subsystem: COMPAL Electronics Inc NetLink BCM5906M Fast Ethernet PCI Express [14c0:0026]
Kernel driver in use: tg3
Kernel modules: tg3
0c:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (rev 02)
Subsystem: Intel Corporation WM3945ABG MOW2 [8086:1001]
Kernel driver in use: iwl3945
Kernel modules: iwl3945
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: NetLink BCM5906M Fast Ethernet PCI Express
fabriquant: Broadcom Limited
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: enp4s0
version: 02
numéro de série: 00:16:d4:de:d4:29
capacité: 100Mbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 firmware=sb v3.04 latency=0 link=no multicast=yes port=twisted pair
ressources: irq:34 mémoire:f4000000-f400ffff
*-network
description: Interface réseau sans fil
produit: PRO/Wireless 3945ABG [Golan] Network Connection
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:0c:00.0
nom logique: wlp12s0
version: 02
numéro de série: 00:19:d2:bb:4e:48
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwl3945 driverversion=4.10.0-37-generic firmware=15.32.2.9 ip=192.168.1.202 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:32 mémoire:f8200000-f8200fff
>> lsmod
Module Size Used by
ccm 20480 1
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 557056 5 btrtl,btintel,btbcm,btusb
appletalk 36864 0
ipx 28672 0
p8023 16384 1 ipx
psnap 16384 2 appletalk,ipx
p8022 16384 1 ipx
llc 16384 2 p8022,psnap
snd_hda_codec_si3054 16384 1
snd_hda_codec_realtek 90112 1
snd_hda_codec_generic 73728 1 snd_hda_codec_realtek
snd_hda_intel 36864 3
coretemp 16384 0
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_generic,snd_hda_codec_si3054,snd_hda_codec_realtek
snd_hda_core 81920 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_generic,snd_hda_codec_si3054,snd_hda_codec_realtek
snd_hwdep 16384 1 snd_hda_codec
kvm_intel 200704 0
snd_pcm 102400 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_si3054
kvm 593920 1 kvm_intel
irqbypass 16384 1 kvm
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
arc4 16384 2
snd_rawmidi 32768 1 snd_seq_midi
r592 20480 0
memstick 16384 1 r592
iwl3945 69632 0
joydev 20480 0
input_leds 16384 0
iwlegacy 98304 1 iwl3945
serio_raw 16384 0
mac80211 782336 2 iwlegacy,iwl3945
cfg80211 602112 3 mac80211,iwlegacy,iwl3945
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
lpc_ich 24576 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
ir_rc6_decoder 16384 0
ir_lirc_codec 16384 0
lirc_dev 20480 1 ir_lirc_codec
snd 77824 17 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_si3054,snd_hda_codec_realtek,snd_pcm
rc_rc6_mce 16384 0
ene_ir 20480 0
rc_core 28672 6 ir_rc6_decoder,rc_rc6_mce,ir_lirc_codec,lirc_dev,ene_ir
soundcore 16384 1 snd
shpchp 36864 0
mac_hid 16384 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
ip_tables 24576 0
x_tables 36864 1 ip_tables
autofs4 40960 2
i915 1449984 3
i2c_algo_bit 16384 1 i915
firewire_ohci 40960 0
psmouse 139264 0
sdhci_pci 28672 0
firewire_core 65536 1 firewire_ohci
ahci 36864 3
sdhci 45056 1 sdhci_pci
libahci 32768 1 ahci
crc_itu_t 16384 1 firewire_core
pata_acpi 16384 0
drm_kms_helper 151552 1 i915
tg3 163840 0
syscopyarea 16384 1 drm_kms_helper
ptp 20480 1 tg3
sysfillrect 16384 1 drm_kms_helper
pps_core 20480 1 ptp
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
drm 352256 5 i915,drm_kms_helper
wmi 16384 0
fjes 73728 0
video 40960 1 i915>> iwconfig
wlp12s0 IEEE 802.11 ESSID:"Livebox-2658_EXT"
Mode:Managed Frequency:2.462 GHz Access Point: A0:63:91:B0:A3:5C
Bit Rate=36 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=38/70 Signal level=-72 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:51 Missed beacon:0
>> ifconfig -a
enp4s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 00:16:d4:de:d4:29 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 22 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 17
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Boucle locale)
RX packets 345 bytes 25501 (25.5 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 345 bytes 25501 (25.5 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp12s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.202 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 2a01:cb14:82df:100:78a9:10fd:7c3:73bd prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb14:82df:100:219:d2ff:febb:4e48 prefixlen 64 scopeid 0x0<global>
inet6 fe80::219:d2ff:febb:4e48 prefixlen 64 scopeid 0x20<link>
ether 00:19:d2:bb:4e:48 txqueuelen 1000 (Ethernet)
RX packets 27 bytes 3651 (3.6 KB)
RX errors 0 dropped 1 overruns 0 frame 0
TX packets 79 bytes 12763 (12.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlp12s0 Scan completed :
Cell 01 - Address: C0:FF:D4:C6:52:E1
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=23/70 Signal level=-87 dBm
Encryption key:on
ESSID:"Second"
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=00000264ee860a7e
Extra: Last beacon: 12ms ago
IE: Unknown: 00065365636F6E64
IE: Unknown: 010882848B960C121824
IE: Unknown: 030101
IE: Unknown: 0706444520010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AEF1103FFFF0000000000000000000000000000000406E6E70D00
IE: Unknown: 331AEF1103FFFF0000000000000000000000000000000406E6E70D00
IE: Unknown: 3D16010D0400000000000000000000000000000000000000
IE: Unknown: 3416010D0400000000000000000000000000000000000000
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F0101
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: DD9D0050F204104A0001101044000102103B000103104700101043B85CFE1C59A9A49A5611C5D03D0F1021000D4E4554474541522C20496E632E1023001458574E3530303128576972656C657373204150291024000758574E353030311042000531323334351054000800060050F20400011011001458574E3530303128576972656C6573732041502910080002200C103C0001011049000600372A000120
Cell 02 - Address: B8:26:6C:CF:26:58
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-29 dBm
Encryption key:on
ESSID:"Livebox-2658"
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=0000003b76b18d07
Extra: Last beacon: 12ms ago
IE: Unknown: 000C4C697665626F782D32363538
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D160B000500000000000000000000000000000000000000
IE: Unknown: 34160B000500000000000000000000000000000000000000
IE: Unknown: DD180050F2020101890003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD8F0050F204104A0001101044000102103B00010310470010493F393D3D4AFA4DF93D3C3F493F393D10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E3110420009414E313630313146461054000800060050F204000110110000100800020006103C0001011049000600372A000120
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
Cell 03 - Address: CA:26:6C:CF:26:58
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-29 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=3200003b76b19cda
Extra: Last beacon: 12ms ago
IE: Unknown: 00066F72616E6765
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D160B000500000000000000000000000000000000000000
IE: Unknown: 34160B000500000000000000000000000000000000000000
IE: Unknown: DD180050F2020101890003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
Cell 04 - Address: A0:63:91:B0:A3:5C
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=30/70 Signal level=-80 dBm
Encryption key:on
ESSID:"Livebox-2658_EXT"
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=0000003b7639ff88
Extra: Last beacon: 4ms ago
IE: Unknown: 00104C697665626F782D323635385F455854
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010B
IE: Unknown: 2A0100
IE: Unknown: 32040C183060
IE: Unknown: 2D1AEC0117FFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B000700000000000000000000000000000000000000
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 0B05020015127A
IE: Unknown: 7F0101
IE: Unknown: DD07000C4303000000
IE: Unknown: 0706444520010D10
IE: Unknown: DD8D0050F204104A0001101044000102103B000103104700102880288028801880A880A06391B0A35C102100044E54475210230008574E3330303052501024000256331042000C6130363339316230613335631054000800060050F204000110110017574E333030305250763328576972656C6573732041502910080002210C103C0001011049000600372A000120
Cell 05 - Address: B8:26:6C:CF:26:59
Channel:112
Frequency:5.56 GHz (Channel 112)
Quality=70/70 Signal level=-30 dBm
Encryption key:on
ESSID:"Livebox-2658"
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=0000003b7317803b
Extra: Last beacon: 2520ms ago
IE: Unknown: 000C4C697665626F782D32363538
IE: Unknown: 01088C129824B048606C
IE: Unknown: 030170
IE: Unknown: 050402030000
IE: Unknown: 07344652202401172801172C01173001173401173801173C01174001176401176801176C01177001177401178401178801178C011700
IE: Unknown: 200100
IE: Unknown: 2D1AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 3D16700F0000000000000000000000000000000000000000
IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD1D0050F204104A0001101044000102103C0001021049000600372A000120
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
Cell 06 - Address: 5C:33:8E:EE:06:8C
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=19/70 Signal level=-91 dBm
Encryption key:on
ESSID:"Livebox-7920"
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=00000264e2188180
Extra: Last beacon: 9924ms ago
IE: Unknown: 000C4C697665626F782D37393230
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 050402030000
IE: Unknown: 2A0100
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: 32043048606C
IE: Unknown: DD180050F2020101830003A4000027A4000042435E0062322F00
IE: Unknown: 2D1A0C101BFFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B080800000000000000000000000000000000000000
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD0A00037F04010000000000
IE: Unknown: 0706465220010D14
IE: Unknown: DD210050F204104A00011010440001021011000F4C697665626F782046545448207632
>> uname -r -m
4.10.0-37-generic x86_64
>> cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
>> nm-tool
>> nmcli dev wifi
>> nmcli connection show
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: noMerci de votre aide 
PS : je me connecte actuellement en filaire, la connexion fonctionne bien !
Hors ligne
#2 Le 30/10/2017, à 19:26
- xubu1957
Re : Connecté au wifi mais d'internet (Problème DNS)
Bonjour,
Tu as changé de noyau, tu as retenté la procédure > Anomalies réseaux en Ethernet et Wifi sur la version 17.04 ?
Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Résolu] lorsque ceux-ci le sont, au début du titre en cliquant sur Modifier sous le premier message, et un bref récapitulatif de la solution à la fin de celui-ci. Merci. Membre de Linux-Azur
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