Pages : 1
#1 Le 08/11/2014, à 20:10
- antoine1990
Ethernet non-détecté
Bonjour tout le monde !
J'ai un souci, il y a quelques temps, après une manipulation dont je ne parviens plus à me rapeller, mon interface ethernet n'est plus détectée (je suis sur Xubuntu 12.04 sur un MacBook 2.1) lorsque je branche un cable RJ45 connecté à ma box cela n'a aucun effet.
Voici ce que donne ifconfig -a
antoine@antoine-MacBook:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:19:e3:34:7d:31
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
eth0:avahi Link encap:Ethernet HWaddr 00:19:e3:34:7d:31
inet adr:169.254.6.101 Bcast:169.254.255.255 Masque:255.255.0.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
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:8 erreurs:0 :0 overruns:0 frame:0
TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:480 (480.0 B) Octets transmis:480 (480.0 B)
wlan0 Link encap:Ethernet HWaddr 00:19:e3:d6:62:73
inet adr:192.168.0.11 Bcast:192.168.0.255 Masque:255.255.255.0
adr inet6: fe80::219:e3ff:fed6:6273/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:417 erreurs:0 :0 overruns:0 frame:0
TX packets:446 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:183395 (183.3 KB) Octets transmis:66291 (66.2 KB)
Merci d'avance pour vos pistes
Antoine
Hors ligne
#2 Le 16/11/2014, à 02:09
- foustala
Re : Ethernet non-détecté
lspci -nn
dmesg | grep eth0
svp
Hors ligne
#3 Le 16/11/2014, à 10:10
- antoine1990
Re : Ethernet non-détecté
antoine@antoine-MacBook:~$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller [8086:27a2] (rev 03)
00:02.1 Display controller [0380]: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller [8086:27a6] (rev 03)
00:07.0 Performance counters [1101]: Intel Corporation Device [8086:27a3] (rev 03)
00:1b.0 Audio device [0403]: Intel Corporation N10/ICH 7 Family High Definition Audio Controller [8086:27d8] (rev 02)
00:1c.0 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 1 [8086:27d0] (rev 02)
00:1c.1 PCI bridge [0604]: Intel Corporation N10/ICH 7 Family PCI Express Port 2 [8086:27d2] (rev 02)
00:1d.0 USB controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 [8086:27c8] (rev 02)
00:1d.1 USB controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 [8086:27c9] (rev 02)
00:1d.2 USB controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 [8086:27ca] (rev 02)
00:1d.3 USB controller [0c03]: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 [8086:27cb] (rev 02)
00:1d.7 USB controller [0c03]: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller [8086:27cc] (rev 02)
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e2)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 02)
00:1f.1 IDE interface [0101]: Intel Corporation 82801G (ICH7 Family) IDE Controller [8086:27df] (rev 02)
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] [8086:27c4] (rev 02)
00:1f.3 SMBus [0c05]: Intel Corporation N10/ICH 7 Family SMBus Controller [8086:27da] (rev 02)
01:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller [11ab:4362] (rev 22)
02:00.0 Network controller [0280]: Atheros Communications Inc. AR5418 Wireless Network Adapter [AR5008E 802.11(a)bgn] (PCI-Express) [168c:0024] (rev 01)
03:03.0 FireWire (IEEE 1394) [0c00]: LSI Corporation FW322/323 [11c1:5811] (rev 61)
antoine@antoine-MacBook:~$ dmesg | grep eth0
[ 1.375944] sky2 0000:01:00.0: eth0: addr 00:19:e3:34:7d:31
[ 36.794730] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 37.287246] sky2 0000:01:00.0: eth0: enabling interface
[ 37.287486] ADDRCONF(NETDEV_UP): eth0: link is not ready
merci
Hors ligne
#4 Le 16/11/2014, à 16:13
- foustala
Re : Ethernet non-détecté
01:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller [11ab:4362] (rev 22)
peux tu donner le retour
lsmod | grep sky2 # le module est-il chargé?
sudo rmmod sky2 # déchargement
sudo modprobe sky2 # chargement
dmesg | tail -20 # réaction du noyau juste après
dmesg | grep sky2 # réaction du noyau concernant le driver
Dernière modification par foustala (Le 16/11/2014, à 16:16)
Hors ligne
#5 Le 16/11/2014, à 20:42
- antoine1990
Re : Ethernet non-détecté
antoine@antoine-MacBook:~$ lsmod | grep sky2
sky2 49545 0
antoine@antoine-MacBook:~$ dmesg | tail -20
[ 479.109307] sd 5:0:0:0: [sdc] Write Protect is off
[ 479.109313] sd 5:0:0:0: [sdc] Mode Sense: 23 00 00 00
[ 479.109706] sd 5:0:0:0: [sdc] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
[ 479.113066] sdc:
[ 479.115063] sd 5:0:0:0: [sdc] Attached SCSI removable disk
[ 618.123390] usb 1-1: USB disconnect, device number 10
[ 618.136080] sd 5:0:0:0: [sdc] Unhandled error code
[ 618.136087] sd 5:0:0:0: [sdc] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 618.136096] sd 5:0:0:0: [sdc] CDB: Read(10): 28 00 01 91 9d e2 00 00 20 00
[ 618.136120] end_request: I/O error, dev sdc, sector 26320354
[ 4598.213930] sky2 0000:01:00.0: eth0: disabling interface
[ 4598.236181] sky2 0000:01:00.0: PCI INT A disabled
[ 4605.517010] sky2: driver version 1.30
[ 4605.517069] sky2 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 4605.517091] sky2 0000:01:00.0: setting latency timer to 64
[ 4605.517133] sky2 0000:01:00.0: Yukon-2 EC chip revision 2
[ 4605.517270] sky2 0000:01:00.0: irq 42 for MSI/MSI-X
[ 4605.519140] sky2 0000:01:00.0: eth0: addr 00:19:e3:34:7d:31
[ 4606.292340] sky2 0000:01:00.0: eth0: enabling interface
[ 4606.292835] ADDRCONF(NETDEV_UP): eth0: link is not ready
antoine@antoine-MacBook:~$ dmesg | grep sky2
[ 1.393766] sky2: driver version 1.30
[ 1.393813] sky2 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 1.393830] sky2 0000:01:00.0: setting latency timer to 64
[ 1.393865] sky2 0000:01:00.0: Yukon-2 EC chip revision 2
[ 1.393987] sky2 0000:01:00.0: irq 42 for MSI/MSI-X
[ 1.394703] sky2 0000:01:00.0: eth0: addr 00:19:e3:34:7d:31
[ 36.374744] sky2 0000:01:00.0: eth0: enabling interface
[ 4598.213930] sky2 0000:01:00.0: eth0: disabling interface
[ 4598.236181] sky2 0000:01:00.0: PCI INT A disabled
[ 4605.517010] sky2: driver version 1.30
[ 4605.517069] sky2 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 4605.517091] sky2 0000:01:00.0: setting latency timer to 64
[ 4605.517133] sky2 0000:01:00.0: Yukon-2 EC chip revision 2
[ 4605.517270] sky2 0000:01:00.0: irq 42 for MSI/MSI-X
[ 4605.519140] sky2 0000:01:00.0: eth0: addr 00:19:e3:34:7d:31
[ 4606.292340] sky2 0000:01:00.0: eth0: enabling interface
Hors ligne
#6 Le 16/11/2014, à 21:52
- foustala
Re : Ethernet non-détecté
ADDRCONF(NETDEV_UP): eth0: link is not ready
ce message d'erreur ne touche pas spécifiquement ton matériel. il va falloir rependre de zero
sudo lshw -C network
cat /etc/network/interfaces
sudo nm-tool
sudo ifdown eth0
sudo ifup eth0
dmesg | tail -20
essaie de te souvenir des événements avant la régression
Dernière modification par foustala (Le 16/11/2014, à 21:53)
Hors ligne
#7 Le 16/11/2014, à 22:45
- antoine1990
Re : Ethernet non-détecté
antoine@antoine-MacBook:~$ sudo lshw -C network
[sudo] password for antoine:
*-network
description: Ethernet interface
produit: 88E8053 PCI-E Gigabit Ethernet Controller
fabriquant: Marvell Technology Group Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: eth0
version: 22
numéro de série: 00:19:e3:34:7d:31
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm vpd msi pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.30 firmware=N/A latency=0 link=no multicast=yes port=twisted pair
ressources: irq:42 mémoire:50200000-50203fff portE/S:1000(taille=256) mémoire:50800000-5081ffff
*-network
description: Interface réseau sans fil
produit: AR5418 Wireless Network Adapter [AR5008E 802.11(a)bgn] (PCI-Express)
fabriquant: Atheros Communications Inc.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlan0
version: 01
numéro de série: 00:19:e3:d6:62:73
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=3.2.0-23-generic firmware=N/A ip=192.168.0.11 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
ressources: irq:17 mémoire:50100000-5010ffff
antoine@antoine-MacBook:~$ cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp
antoine@antoine-MacBook:~$ sudo nm-tool
NetworkManager Tool
State: connected (global)
- Device: wlan0 [NUMERICABLE-29A8 1] ------------------------------------------
Type: 802.11 WiFi
Driver: ath9k
State: connected
Default: yes
HW Address: 00:19:E3:D6:62:73
Capabilities:
Speed: 130 Mb/s
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points (* = current AP)
FREEBOX_MATHIEU_WH: Infra, 8A:8B:C5:D4:A6:78, Freq 2462 MHz, Rate 54 Mb/s, Strength 90 WPA
FreeWifi_secure: Infra, 8A:8B:C5:D4:A6:7B, Freq 2462 MHz, Rate 54 Mb/s, Strength 90 WPA Enterprise
FreeWifi_secure: Infra, BA:95:9A:05:36:EB, Freq 2462 MHz, Rate 54 Mb/s, Strength 69 WPA Enterprise
NUMERICABLE-01EB:Infra, 24:EC:99:C8:68:3D, Freq 2437 MHz, Rate 54 Mb/s, Strength 64 WPA WPA2
cremniter: Infra, F4:CA:E5:FB:63:F4, Freq 2472 MHz, Rate 54 Mb/s, Strength 64 WPA
FreeWifi_secure: Infra, F4:CA:E5:FB:63:F6, Freq 2472 MHz, Rate 54 Mb/s, Strength 69 WPA2 Enterprise
Bbox-D92CE6BD: Infra, 00:78:9E:62:E9:00, Freq 2417 MHz, Rate 54 Mb/s, Strength 57 WPA WPA2
FreeWifi_secure: Infra, F4:CA:E5:FA:E8:72, Freq 2452 MHz, Rate 54 Mb/s, Strength 39 WPA2 Enterprise
flypix: Infra, BA:95:9A:05:36:E8, Freq 2462 MHz, Rate 54 Mb/s, Strength 54 WPA
Livebox-C734: Infra, B8:26:6C:3D:C7:34, Freq 2462 MHz, Rate 54 Mb/s, Strength 54 WPA WPA2
NUMERICABLE-7996:Infra, E0:CE:C3:3C:52:B3, Freq 2412 MHz, Rate 54 Mb/s, Strength 52 WPA WPA2
57roquette: Infra, F4:CA:E5:9F:D3:40, Freq 2462 MHz, Rate 54 Mb/s, Strength 42 WPA
Livebox-C734: Infra, B8:26:6C:3D:C7:35, Freq 5200 MHz, Rate 54 Mb/s, Strength 39 WPA WPA2
Bbox-D92CE6BD-5GHz: Infra, 00:78:9E:62:E9:04, Freq 5180 MHz, Rate 54 Mb/s, Strength 37 WPA WPA2
brambilla: Infra, 92:43:C1:38:41:8C, Freq 2457 MHz, Rate 54 Mb/s, Strength 32 WPA
freebox_gorto: Infra, F4:CA:E5:DC:F5:2C, Freq 2412 MHz, Rate 54 Mb/s, Strength 34 WPA2
NganKim: Infra, C0:3F:0E:E7:15:C2, Freq 2437 MHz, Rate 54 Mb/s, Strength 64 WEP
freebox_loloMATHIEU: Infra, F4:CA:E5:FA:E8:70, Freq 2452 MHz, Rate 54 Mb/s, Strength 40 WEP
FreeWifi: Infra, 8A:8B:C5:D4:A6:7A, Freq 2462 MHz, Rate 54 Mb/s, Strength 90
FreeWifi: Infra, BA:95:9A:05:36:EA, Freq 2462 MHz, Rate 54 Mb/s, Strength 69
FreeWifi: Infra, F4:CA:E5:FB:63:F5, Freq 2472 MHz, Rate 54 Mb/s, Strength 65
Bouygues Telecom Wi-Fi: Infra, 00:78:9E:62:E9:01, Freq 2417 MHz, Rate 54 Mb/s, Strength 50
FreeWifi: Infra, F4:CA:E5:9F:D3:41, Freq 2462 MHz, Rate 54 Mb/s, Strength 45
FreeWifi: Infra, F4:CA:E5:DC:F5:2D, Freq 2412 MHz, Rate 54 Mb/s, Strength 29
*NUMERICABLE-29A8: Infra, 74:44:01:F4:06:83, Freq 2437 MHz, Rate 54 Mb/s, Strength 79 WPA WPA2
freebox_SUWIPD: Infra, BA:54:7A:88:DB:A0, Freq 2412 MHz, Rate 54 Mb/s, Strength 32 WEP
FreeWifi: Infra, 92:43:C1:38:41:8E, Freq 2457 MHz, Rate 54 Mb/s, Strength 27
FreeWifi_secure: Infra, F4:CA:E5:DC:F5:2E, Freq 2412 MHz, Rate 54 Mb/s, Strength 29 WPA2 Enterprise
FreeWifi: Infra, BA:54:7A:88:DB:A1, Freq 2412 MHz, Rate 54 Mb/s, Strength 32
FreeWifi_secure: Infra, BA:54:7A:88:DB:A2, Freq 2412 MHz, Rate 54 Mb/s, Strength 34 WPA Enterprise
THE MATRIX: Infra, 30:7E:CB:91:AC:9C, Freq 2412 MHz, Rate 54 Mb/s, Strength 32 WPA
SFR WiFi FON: Infra, 92:7E:CB:91:AC:9D, Freq 2412 MHz, Rate 54 Mb/s, Strength 22
FreeWifi_secure: Infra, 00:24:D4:64:6B:8E, Freq 2462 MHz, Rate 54 Mb/s, Strength 44 WPA2 Enterprise
FreeWifi: Infra, F4:CA:E5:FA:E8:71, Freq 2452 MHz, Rate 54 Mb/s, Strength 39
minley: Infra, 00:24:D4:64:6B:8C, Freq 2462 MHz, Rate 54 Mb/s, Strength 39 WPA
FreeWifi: Infra, 00:24:D4:64:6B:8D, Freq 2462 MHz, Rate 54 Mb/s, Strength 44
NUMERICABLE-CC99:Infra, 24:EC:99:02:C3:2D, Freq 2412 MHz, Rate 54 Mb/s, Strength 24 WPA WPA2
Elk_Box: Infra, 24:EC:99:C8:44:36, Freq 2437 MHz, Rate 54 Mb/s, Strength 37 WPA WPA2
droquette: Infra, 16:EF:08:09:85:28, Freq 2462 MHz, Rate 54 Mb/s, Strength 29 WEP
FreeWifi: Infra, 16:EF:08:09:85:2A, Freq 2462 MHz, Rate 54 Mb/s, Strength 25
Livebox-aab0: Infra, 00:19:70:2E:CE:99, Freq 2437 MHz, Rate 54 Mb/s, Strength 29 WPA WPA2
DartyBox_D5BA: Infra, A0:21:B7:63:59:93, Freq 2437 MHz, Rate 54 Mb/s, Strength 22 WPA
IC_0C0CC2: Infra, 00:26:44:74:E7:22, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA
FreeWifi: Infra, C2:07:DD:AB:50:36, Freq 2462 MHz, Rate 54 Mb/s, Strength 30
Livebox-8f51: Infra, 5C:33:8E:BF:2E:C2, Freq 2457 MHz, Rate 54 Mb/s, Strength 29 WPA WPA2
FreeWifi_secure: Infra, C2:07:DD:AB:50:37, Freq 2462 MHz, Rate 54 Mb/s, Strength 25 WPA Enterprise
NUMERICABLE-1FF5:Infra, 9C:D3:6D:A4:1F:F9, Freq 2412 MHz, Rate 54 Mb/s, Strength 24 WPA WPA2
NEUF_94E4: Infra, 00:17:33:EB:94:E8, Freq 2437 MHz, Rate 54 Mb/s, Strength 24 WPA
Livebox-2F6A: Infra, 34:8A:AE:32:2F:6B, Freq 5560 MHz, Rate 54 Mb/s, Strength 47 WPA WPA2
Sergio: Infra, F4:CA:E5:99:C3:B8, Freq 2437 MHz, Rate 54 Mb/s, Strength 24 WPA
FreeWifi_secure: Infra, F4:CA:E5:99:C3:BA, Freq 2437 MHz, Rate 54 Mb/s, Strength 24 WPA2 Enterprise
FreeWifi_secure: Infra, 16:EF:08:09:85:2B, Freq 2462 MHz, Rate 54 Mb/s, Strength 22 WPA Enterprise
Elk_Box_EXT: Infra, 44:94:FC:47:0F:50, Freq 2437 MHz, Rate 54 Mb/s, Strength 35 WPA WPA2
Laurence&JeanMarc_EXT: Infra, 04:A1:51:C8:12:8C, Freq 2472 MHz, Rate 54 Mb/s, Strength 35 WPA2
SFR WiFi Mobile: Infra, 92:7E:CB:91:AC:9F, Freq 2412 MHz, Rate 54 Mb/s, Strength 24 WPA2 Enterprise
freebox_FOVHXU: Infra, C2:07:DD:AB:50:34, Freq 2462 MHz, Rate 54 Mb/s, Strength 20 WPA
Bbox-A7A9840A: Infra, DC:71:44:FE:63:F8, Freq 2432 MHz, Rate 54 Mb/s, Strength 19 WPA WPA2
FreeWifi: Infra, F4:CA:E5:99:C3:B9, Freq 2437 MHz, Rate 54 Mb/s, Strength 24
IPv4 Settings:
Address: 192.168.0.11
Prefix: 24 (255.255.255.0)
Gateway: 192.168.0.1
DNS: 89.2.0.1
DNS: 89.2.0.2
- Device: eth0 -----------------------------------------------------------------
Type: Wired
Driver: sky2
State: unmanaged
Default: no
HW Address: 00:19:E3:34:7D:31
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
antoine@antoine-MacBook:~$ sudo ifdown eth0
ifdown: interface eth0 not configured
sudo ifup eth0 tourne dans le vide éternellement...
antoine@antoine-MacBook:~$ dmesg | tail -20
[ 157.854107] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 157.858018] nf_conntrack version 0.5.0 (15533 buckets, 62132 max)
[ 159.068414] input: Mouseemu virtual keyboard as /devices/virtual/input/input14
[ 159.068790] input: Mouseemu virtual mouse as /devices/virtual/input/input15
[ 2179.808153] usb 1-1: new high-speed USB device number 9 using ehci_hcd
[ 2180.002237] Initializing USB Mass Storage driver...
[ 2180.002426] scsi4 : usb-storage 1-1:1.0
[ 2180.002531] usbcore: registered new interface driver usb-storage
[ 2180.002534] USB Mass Storage support registered.
[ 2180.058679] usbcore: registered new interface driver uas
[ 2181.002302] scsi 4:0:0:0: Direct-Access Generic Flash Disk 8.07 PQ: 0 ANSI: 4
[ 2181.009049] sd 4:0:0:0: Attached scsi generic sg2 type 0
[ 2181.010220] sd 4:0:0:0: [sdb] 7989248 512-byte logical blocks: (4.09 GB/3.80 GiB)
[ 2181.011209] sd 4:0:0:0: [sdb] Write Protect is off
[ 2181.011217] sd 4:0:0:0: [sdb] Mode Sense: 23 00 00 00
[ 2181.012219] sd 4:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
[ 2181.018246] sdb: sdb1
[ 2181.021658] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[ 2250.888918] sdb:
[ 2261.613856] sdb:
Impossible de me souvenir de ce qui s'est passé, c'est il y a plus d'un an, comme le Wi-Fi marchait toujours je ne m'en suis pas trop occupé :-$
Hors ligne
#8 Le 16/11/2014, à 23:04
- foustala
Re : Ethernet non-détecté
la plupart des posts rebondissent sur des histoire de config routeur, et de cable defectueux.
avant de continuer les investigations, essaie un autre cable réseau, et un autre routeur.
Hors ligne
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