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#1 Le 20/08/2025, à 18:43

Dominique77360

Perte des connexions réseau

Bonsoir à tous

Pour faire simple, toutes les connexions réseau ont disparu de mon ordinateur et je suis obligé de vous contacter par un portable windows

Je suis sous Ubuntu 24.4
L'ordinateur possède une carte wifi (normalement non utilisée) et une carte ethernet
Ces deux cartes sont bien visibles par la commande lspci |grep -i net
Les réseaux fonctionnent (testés avec un autre ordinateur ) que ce soit le wifi ou l'ethernet

Mais je n'ai accès à aucun réseau sur l'ordinateur
Lorsque je clique sur paramètres/réseau il ne me reste que deux choix ajouter un vpn ou un serveur mandataire

En revanche si je boot sur la clé USB Ubuntu, tout marche parfaitement !!!

Y a t'il quelque chose à faire avant que je me lance dans une opération de réinstallation ?


Merci de vos idées

Cordialement

Hors ligne

#2 Le 20/08/2025, à 19:32

xubu1957

Re : Perte des connexions réseau

Pas de smartphone ?

Voir > Connexion de secours - partage de connexion avec un smartphone

Il faudrait fournir, en te servant du Retour utilisable de commande, un wificheck qui rassemble ces informations > Configuration wifi (et éthernet).

Étape 2 : Il ne reste plus qu'à copier le contenu du fichier wificheck.log (et non le fichier wificheck qui est le programme qui a généré le fichier wificheck.log) situé dans le dossier personnel et le copier sur le forum.


Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] 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

En ligne

#3 Le 20/08/2025, à 20:36

Dominique77360

Re : Perte des connexions réseau

Et voici le résultat du wificheck obtenu en bootant depuis une clé en session live. Sur session normale je ne peux rien faire.

Cordialement

>>    lsb_release -a

Distributor ID:	Ubuntu
Description:	Ubuntu 24.04.2 LTS
Release:	24.04
Codename:	noble

>>    lsusb 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 003 Device 003: ID 0c45:636b Microdia USB 2.0 Camera
Bus 003 Device 004: ID 058f:6387 Alcor Micro Corp. Flash Drive
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 006 Device 002: ID 05e3:0748 Genesys Logic, Inc. All-in-One Cardreader

>>    lspci -k -nn | grep -A 3 -i net 

03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8192EE PCIe Wireless Network Adapter [10ec:818b]
	Subsystem: Realtek Semiconductor Co., Ltd. RTL8192EE PCIe Wireless Network Adapter [10ec:8196]
	Kernel driver in use: rtl8192ee
	Kernel modules: rtl8192ee
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
	Subsystem: ASUSTeK Computer Inc. H81M-C Motherboard [1043:8554]
	Kernel driver in use: r8169
	Kernel modules: r8169

>>    sudo lshw -C network 

  *-network
       description: Wireless interface
       product: RTL8192EE PCIe Wireless Network Adapter
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlp3s0
       version: 00
       serial: 10:27:f5:55:8f:d9
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtl8192ee driverversion=6.11.0-17-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:37 ioport:d000(size=256) memory:f7300000-f7303fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: enp4s0
       version: 0c
       serial: f8:32:e4:be:3a:81
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=6.11.0-17-generic duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.1.155 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       resources: irq:18 ioport:c000(size=256) memory:f7200000-f7200fff memory:f2100000-f2103fff

>>    lsmod | sort 

Module                  Size  Used by
ahci                   49152  1
asus_wmi               94208  2 eeepc_wmi,mfd_aaeon
async_memcpy           16384  2 raid456,async_raid6_recov
async_pq               20480  2 raid456,async_raid6_recov
async_raid6_recov      20480  1 raid456
async_tx               16384  5 async_pq,async_memcpy,async_xor,raid456,async_raid6_recov
async_xor              16384  3 async_pq,raid456,async_raid6_recov
at24                   28672  0
autofs4                57344  2
binfmt_misc            24576  1
blake2b_generic        24576  0
btcoexist             294912  1 rtl8192ee
btrfs                2064384  0
cec                    94208  1 drm_display_helper
cfg80211             1351680  2 rtlwifi,mac80211
cmdlinepart            16384  0
coretemp               24576  0
crc32_pclmul           12288  0
crct10dif_pclmul       12288  1
cryptd                 24576  2 crypto_simd,ghash_clmulni_intel
crypto_simd            16384  0
dm_log                 20480  2 dm_region_hash,dm_mirror
dm_mirror              24576  0
dm_region_hash         24576  1 dm_mirror
dmi_sysfs              24576  0
drm_display_helper    278528  1 nouveau
drm_exec               12288  2 drm_gpuvm,nouveau
drm_gpuvm              45056  1 nouveau
drm_ttm_helper         16384  1 nouveau
eeepc_wmi              12288  0
efi_pstore             12288  0
ghash_clmulni_intel    16384  0
gpu_sched              61440  1 nouveau
hfs                    77824  0
hfsplus               139264  0
hid                   262144  4 usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic            12288  0
hid_logitech_dj        36864  0
hid_logitech_hidpp     65536  0
i2c_algo_bit           16384  1 nouveau
i2c_i801               36864  0
i2c_mux                16384  1 i2c_i801
i2c_smbus              16384  1 i2c_i801
input_leds             12288  0
intel_cstate           24576  0
intel_powerclamp       24576  0
intel_rapl_common      53248  1 intel_rapl_msr
intel_rapl_msr         20480  0
ip_tables              32768  0
isofs                  57344  1
jfs                   294912  0
joydev                 32768  0
libahci                53248  1 ahci
libarc4                12288  1 mac80211
libcrc32c              12288  3 btrfs,xfs,raid456
lp                     28672  0
lpc_ich                32768  0
mac80211             1757184  3 rtl_pci,rtlwifi,rtl8192ee
mac_hid                12288  0
mc                     81920  5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common
mei                   172032  5 mei_hdcp,mei_pxp,mei_me
mei_hdcp               28672  0
mei_me                 53248  2
mei_pxp                16384  0
mfd_aaeon              12288  0
minix                  53248  0
msdos                  16384  0
msr                    12288  0
mtd                    98304  3 spi_nor,cmdlinepart
mxm_wmi                12288  1 nouveau
nfnetlink              20480  1
nls_iso8859_1          12288  0
nls_ucs2_utils          8192  1 jfs
nouveau              3108864  18
overlay               212992  1
parport                73728  3 parport_pc,lp,ppdev
parport_pc             53248  0
platform_profile       12288  1 asus_wmi
polyval_generic        12288  0
ppdev                  24576  0
qnx4                   16384  0
qrtr                   53248  2
r8169                 118784  0
raid0                  24576  0
raid1                  61440  0
raid10                 77824  0
raid456               196608  0
raid6_pq              126976  4 async_pq,btrfs,raid456,async_raid6_recov
rapl                   20480  0
rc_core                73728  1 cec
realtek                45056  1
rtl8192ee             188416  0
rtl_pci                40960  1 rtl8192ee
rtlwifi               143360  3 rtl_pci,btcoexist,rtl8192ee
sch_fq_codel           24576  2
sha1_ssse3             32768  0
sha256_ssse3           32768  0
snd                   143360  22 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_ump,snd_pcm,snd_rawmidi
snd_hda_codec         204800  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic   122880  1 snd_hda_codec_realtek
snd_hda_codec_hdmi     98304  1
snd_hda_codec_realtek   208896  1
snd_hda_core          143360  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel          61440  2
snd_hda_scodec_component    20480  1 snd_hda_codec_realtek
snd_hrtimer            12288  1
snd_hwdep              20480  2 snd_usb_audio,snd_hda_codec
snd_intel_dspcfg       45056  1 snd_hda_intel
snd_intel_sdw_acpi     16384  1 snd_intel_dspcfg
snd_pcm               196608  5 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_hda_core
snd_rawmidi            57344  3 snd_seq_midi,snd_usbmidi_lib,snd_ump
snd_seq               122880  9 snd_seq_midi,snd_seq_midi_event,snd_seq_dummy
snd_seq_device         16384  4 snd_seq,snd_seq_midi,snd_ump,snd_rawmidi
snd_seq_dummy          12288  0
snd_seq_midi           24576  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_timer              49152  3 snd_seq,snd_hrtimer,snd_pcm
snd_ump                45056  1 snd_usb_audio
snd_usb_audio         536576  1
snd_usbmidi_lib        53248  1 snd_usb_audio
soundcore              16384  1 snd
sparse_keymap          12288  1 asus_wmi
spi_intel              32768  1 spi_intel_platform
spi_intel_platform     12288  0
spi_nor               163840  0
spl                   180224  1 zfs
ttm                   110592  2 drm_ttm_helper,nouveau
uas                    28672  0
ufs                   126976  0
usb_storage            86016  3 uas
usbhid                 77824  2 hid_logitech_dj,hid_logitech_hidpp
uvc                    12288  1 uvcvideo
uvcvideo              143360  0
video                  77824  2 asus_wmi,nouveau
videobuf2_common       86016  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         36864  1 uvcvideo
videobuf2_vmalloc      20480  1 uvcvideo
videodev              360448  2 videobuf2_v4l2,uvcvideo
wmi                    28672  6 video,asus_wmi,wmi_bmof,mfd_aaeon,mxm_wmi,nouveau
wmi_bmof               12288  0
x86_pkg_temp_thermal    20480  0
x_tables               65536  1 ip_tables
xfs                  2510848  0
xhci_pci               24576  0
xhci_pci_renesas       20480  1 xhci_pci
xor                    20480  2 async_xor,btrfs
zfs                  6660096  6

>>    bootctl
>>    iwconfig 

wlp3s0    IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:on
          

>>    ip a 

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether f8:32:e4:be:3a:81 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.155/24 brd 192.168.1.255 scope global dynamic noprefixroute enp4s0
       valid_lft 42868sec preferred_lft 42868sec
    inet6 2a01:e0a:a6f:2000:c0da:936f:5849:b12c/64 scope global temporary dynamic 
       valid_lft 86069sec preferred_lft 85752sec
    inet6 2a01:e0a:a6f:2000:fa32:e4ff:febe:3a81/64 scope global dynamic mngtmpaddr 
       valid_lft 86069sec preferred_lft 86069sec
    inet6 fe80::fa32:e4ff:febe:3a81/64 scope link 
       valid_lft forever preferred_lft forever
3: wlp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 10:27:f5:55:8f:d9 brd ff:ff:ff:ff:ff:ff

>>    sudo iwlist scan 

wlp3s0    Scan completed :
          Cell 01 - Address: BE:72:03:A8:6E:9B
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=70/70  Signal level=-24 dBm  
                    Encryption key:on
                    ESSID:"AndroidAP"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
                    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=000000301d8b998e
                    Extra: Last beacon: 3ms ago
                    IE: Unknown: 0009416E64726F69644150
                    IE: Unknown: 010482848B96
                    IE: Unknown: 030101
                    IE: Unknown: 0706465204010D17
                    IE: Unknown: 3B09515354797A7B7D8081
                    IE: Unknown: 2A0100
                    IE: Unknown: 32080C1218243048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 2D1A2D0913FF00000000000000000000000000000000000000000100
                    IE: Unknown: 3D1601000000000000000000000000000000000000000000
                    IE: Unknown: DD180050F2020101810003A4000027A4000042435E0062322F00
                    IE: Unknown: BF0C12718033FEFF8601FEFF8601
                    IE: Unknown: C005000000FEFF
                    IE: Unknown: 7F080400000000000040
                    IE: Unknown: DD050016328000
                    IE: Unknown: DD080050F21102000000
          Cell 02 - Address: 22:66:CF:A5:EA:52
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=66/70  Signal level=-44 dBm  
                    Encryption key:on
                    ESSID:""
                    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
                    ESSID:"fbx-VDRAWIF622XQB7BBISZVL76E62O"
                    Extra:Mesh Network Path Selection Protocol ID: 0x01
                    Extra:Path Selection Metric ID: 0x01
                    Extra:Congestion Control Mode ID: 0x00
                    Extra:Synchronization ID: 0x01
                    Extra:Authentication ID: 0x01
                    Extra:Formation Info: 0x02
                    Extra:Capabilities: 0x01
                    Mode:Unknown/bug
                    Extra:tsf=00000002166e1003
                    Extra: Last beacon: 549ms ago
                    IE: Unknown: 0000
                    IE: Unknown: 010882848B968C129824
                    IE: Unknown: 030106
                    IE: Unknown: 050401020000
                    IE: Unknown: 3204B048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : unknown (8)
                    IE: Unknown: 2D1AE71103FFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D16060000000000FFFF0000000000000000000000000000
                    IE: Unknown: 721F6662782D5644524157494636323258514237424249535A564C37364536324F
                    IE: Unknown: 710701010001010201
                    IE: Unknown: FF1D230900088A401002600C800D41811C100000FAFFFAFF791CC7711CC771
                    IE: Unknown: FF0724F03F0180FFFF
          Cell 03 - Address: 22:66:CF:A5:EA:50
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=-18 dBm  
                    Encryption key:on
                    ESSID:"Freebox-12EF61"
                    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=00000002166e021d
                    Extra: Last beacon: 3ms ago
                    IE: Unknown: 000E46726565626F782D313245463631
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B050000380000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 3B025100
                    IE: Unknown: 2D1AEC001BFFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D1606000000000000000000000000000000000000000000
                    IE: Unknown: 7F080400088200000040
                    IE: Unknown: 6B070038071612EF61
                    IE: Unknown: 6C027F00
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD880050F204104A00011010440001021057000101103B000103104700103333402D07534A43BDF0E345ED7482531021000A46726565626F782053411023000E46726565626F782053657276657210240001381042000C3338303731363132454636311054000800060050F20400011011000746726565626F781008000200001049000600372A000120
          Cell 04 - Address: 3A:07:16:86:F7:44
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=66/70  Signal level=-44 dBm  
                    Encryption key:on
                    ESSID:"Freebox-12EF61"
                    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=00000002166e7290
                    Extra: Last beacon: 3ms ago
                    IE: Unknown: 000E46726565626F782D313245463631
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0501001F0000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 3B025100
                    IE: Unknown: 2D1AEC0003FFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D1606000400000000000000000000000000000000000000
                    IE: Unknown: 7F0A04000882000000400040
                    IE: Unknown: 6B070038071612EF61
                    IE: Unknown: 6C027F00
                    IE: Unknown: FF1D230D00189A401002604C880FC1839C110C00FAFFFAFF791CC7711CC771
                    IE: Unknown: FF0724F03F000AFCFF
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD8D0050F204104A00011010440001021057000101103B000103104700103333402D07534A43BDF0E345ED7482531021000A46726565626F782053411023000E46726565626F782053657276657210240001381042000C3338303731363132454636311054000800060050F20400011011000746726565626F78100800020000103C0001011049000600372A000120
                    IE: Unknown: DD0C0007CB010801000000000000


>>    uname -r -m 

6.11.0-17-generic x86_64

>>    cat /etc/network/interfaces 


>>    nm-tool 


>>    nmcli dev wifi 

IN-USE  BSSID              SSID                             MODE   CHAN  RATE        SIGNAL  BARS  SECURITY 
        BE:72:03:A8:6E:9B  AndroidAP                        Infra  1     117 Mbit/s  100     ▂▄▆█  WPA2     
        22:66:CF:A5:EA:50  Freebox-12EF61                   Infra  6     130 Mbit/s  100     ▂▄▆█  WPA2     
        22:66:CF:A5:EA:52  fbx-VDRAWIF622XQB7BBISZVL76E62O  Mesh   6     270 Mbit/s  94      ▂▄▆█  WPA3     
        3A:07:16:86:F7:44  Freebox-12EF61                   Infra  6     130 Mbit/s  94      ▂▄▆█  WPA2     

>>    nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04) 

NAME                UUID                                  TYPE      DEVICE 
netplan-zz-all-en   3fc91611-2585-3063-ac16-0d3e7c50d8c3  ethernet  enp4s0 
lo                  e2391e4f-928a-45ef-8b13-e38c009b90c9  loopback  lo     
netplan-zz-all-eth  361ae2b8-a95b-3e8e-bb96-107d56c02d9b  ethernet  --     

>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

Hors ligne

#4 Le 20/08/2025, à 21:47

xubu1957

Re : Perte des connexions réseau

@Lucie-1985

Ouvre une discussion distincte et déplace tes messages.


===========

@Dominique77360

Pour essayer de rétablir la connexion filaire :

sudo ip link set enp4s0 down
sudo ip link set enp4s0 up
sudo dhclient enp4s0

Dernière modification par xubu1957 (Le 20/08/2025, à 21:56)


Conseils pour les nouveaux demandeurs et pas qu'eux
Important : Pensez à passer vos sujets en [Réso|u] 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

En ligne

#5 Le 21/08/2025, à 11:10

Dominique77360

Re : Perte des connexions réseau

Bonjour xubu1957

Merci pour cette réponse qui m'a permis de relancer la connexion filaire (suf dhclient qui ne fonctionne pas) mais je ne comprend pas ce qui a pu se passer. Je garde précieusement les commandes magiques

Hors ligne

#6 Le 21/08/2025, à 11:33

iznobe

Re : Perte des connexions réseau

Bonjour , maintenant que la connexion remarche ,  c' est le moment de donné tous les retours demandés ....

En ligne

#7 Le 21/08/2025, à 11:50

Dominique77360

Re : Perte des connexions réseau

Bonjour , voici le résultat du wificheck

Cordialement

>>    lsb_release -a

Distributor ID:	Ubuntu
Description:	Ubuntu 24.04.3 LTS
Release:	24.04
Codename:	noble

>>    lsusb 

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0c45:636b Microdia USB 2.0 Camera
Bus 001 Device 003: ID 046d:c534 Logitech, Inc. Unifying Receiver
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 8087:8000 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 8087:8008 Intel Corp. Integrated Rate Matching Hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 006 Device 002: ID 05e3:0748 Genesys Logic, Inc. All-in-One Cardreader

>>    lspci -k -nn | grep -A 3 -i net 

03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8192EE PCIe Wireless Network Adapter [10ec:818b]
	Subsystem: Realtek Semiconductor Co., Ltd. RTL8192EE PCIe Wireless Network Adapter [10ec:8196]
	Kernel driver in use: rtl8192ee
	Kernel modules: rtl8192ee
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
	Subsystem: ASUSTeK Computer Inc. H81M-C Motherboard [1043:8554]
	Kernel driver in use: r8169
	Kernel modules: r8169

>>    sudo lshw -C network 

  *-network
       description: Interface réseau sans fil
       produit: RTL8192EE PCIe Wireless Network Adapter
       fabricant: Realtek Semiconductor Co., Ltd.
       identifiant matériel: 0
       information bus: pci@0000:03:00.0
       nom logique: wlp3s0
       version: 00
       numéro de série: 10:27:f5:55:8f:d9
       bits: 64 bits
       horloge: 33MHz
       fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration : broadcast=yes driver=rtl8192ee driverversion=6.14.0-28-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       ressources : irq:36 portE/S:d000(taille=256) mémoire:f7300000-f7303fff
  *-network
       description: Ethernet interface
       produit: RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller
       fabricant: Realtek Semiconductor Co., Ltd.
       identifiant matériel: 0
       information bus: pci@0000:04:00.0
       nom logique: enp4s0
       version: 0c
       numéro de série: f8:32:e4:be:3a:81
       taille: 1Gbit/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-fd autonegotiation
       configuration : autonegotiation=on broadcast=yes driver=r8169 driverversion=6.14.0-28-generic duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.1.155 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
       ressources : irq:18 portE/S:c000(taille=256) mémoire:f7200000-f7200fff mémoire:f2100000-f2103fff

>>    lsmod | sort 

ahci                   49152  3
asus_wmi               98304  2 eeepc_wmi,mfd_aaeon
at24                   28672  0
autofs4                57344  2
binfmt_misc            24576  1
btcoexist             290816  1 rtl8192ee
cfg80211             1433600  2 rtlwifi,mac80211
cmdlinepart            16384  0
coretemp               24576  0
cryptd                 24576  1 ghash_clmulni_intel
dmi_sysfs              24576  0
drm_ttm_helper         16384  1 nvidia_drm
eeepc_wmi              12288  0
efi_pstore             12288  0
ghash_clmulni_intel    16384  0
hid                   262144  4 usbhid,hid_generic,hid_logitech_dj,hid_logitech_hidpp
hid_generic            12288  0
hid_logitech_dj        36864  0
hid_logitech_hidpp     65536  0
i2c_i801               36864  0
i2c_mux                16384  1 i2c_i801
i2c_smbus              20480  1 i2c_i801
input_leds             12288  0
intel_cstate           20480  0
intel_powerclamp       24576  0
intel_rapl_common      53248  1 intel_rapl_msr
intel_rapl_msr         20480  0
ip_tables              32768  0
joydev                 32768  0
libahci                53248  1 ahci
libarc4                12288  1 mac80211
lp                     28672  0
lpc_ich                32768  0
mac80211             1814528  3 rtl_pci,rtlwifi,rtl8192ee
mac_hid                12288  0
mc                     81920  5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common
mei                   172032  5 mei_hdcp,mei_pxp,mei_me
mei_hdcp               28672  0
mei_me                 53248  2
mei_pxp                16384  0
mfd_aaeon              12288  0
Module                  Size  Used by
msr                    12288  0
mtd                    98304  3 spi_nor,cmdlinepart
nfnetlink              20480  1
nls_iso8859_1          12288  1
nvidia              90320896  140 nvidia_uvm,nvidia_modeset
nvidia_drm            131072  14
nvidia_modeset       1548288  13 nvidia_drm
nvidia_uvm           2043904  0
parport                73728  3 parport_pc,lp,ppdev
parport_pc             53248  0
platform_profile       20480  1 asus_wmi
polyval_generic        12288  0
ppdev                  24576  0
qrtr                   53248  2
r8169                 126976  0
rapl                   20480  0
realtek                49152  1
rtl8192ee             188416  0
rtl_pci                40960  1 rtl8192ee
rtlwifi               143360  3 rtl_pci,btcoexist,rtl8192ee
sch_fq_codel           24576  2
sha1_ssse3             32768  0
sha256_ssse3           32768  0
snd                   143360  22 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_ump,snd_pcm,snd_rawmidi
snd_hda_codec         204800  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_codec_generic   122880  1 snd_hda_codec_realtek
snd_hda_codec_hdmi     98304  1
snd_hda_codec_realtek   212992  1
snd_hda_core          147456  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_hda_intel          61440  2
snd_hda_scodec_component    20480  1 snd_hda_codec_realtek
snd_hrtimer            12288  1
snd_hwdep              20480  2 snd_usb_audio,snd_hda_codec
snd_intel_dspcfg       45056  1 snd_hda_intel
snd_intel_sdw_acpi     16384  1 snd_intel_dspcfg
snd_pcm               192512  5 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_hda_core
snd_rawmidi            57344  3 snd_seq_midi,snd_usbmidi_lib,snd_ump
snd_seq               122880  9 snd_seq_midi,snd_seq_midi_event,snd_seq_dummy
snd_seq_device         16384  4 snd_seq,snd_seq_midi,snd_ump,snd_rawmidi
snd_seq_dummy          12288  0
snd_seq_midi           24576  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_timer              53248  3 snd_seq,snd_hrtimer,snd_pcm
snd_ump                45056  1 snd_usb_audio
snd_usb_audio         557056  1
snd_usbmidi_lib        57344  1 snd_usb_audio
soundcore              16384  1 snd
sparse_keymap          12288  1 asus_wmi
spi_intel              36864  1 spi_intel_platform
spi_intel_platform     12288  0
spi_nor               163840  0
ttm                   118784  1 drm_ttm_helper
uas                    32768  0
usbhid                 77824  2 hid_logitech_dj,hid_logitech_hidpp
usb_storage            86016  1 uas
uvc                    12288  1 uvcvideo
uvcvideo              143360  0
video                  77824  2 asus_wmi,nvidia_modeset
videobuf2_common       86016  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         36864  1 uvcvideo
videobuf2_vmalloc      20480  1 uvcvideo
videodev              360448  2 videobuf2_v4l2,uvcvideo
wmi                    28672  4 video,asus_wmi,wmi_bmof,mfd_aaeon
wmi_bmof               12288  0
x86_pkg_temp_thermal    20480  0
x_tables               65536  1 ip_tables

>>    bootctl
>>    iwconfig 

wlp3s0    IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:on
          

>>    ip a 

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether f8:32:e4:be:3a:81 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.155/24 brd 192.168.1.255 scope global dynamic noprefixroute enp4s0
       valid_lft 40699sec preferred_lft 40699sec
    inet6 2a01:e0a:a6f:2000:febe:4201:dadb:9b38/64 scope global temporary dynamic 
       valid_lft 86363sec preferred_lft 83557sec
    inet6 2a01:e0a:a6f:2000:fa32:e4ff:febe:3a81/64 scope global dynamic mngtmpaddr 
       valid_lft 86363sec preferred_lft 86363sec
    inet6 fe80::fa32:e4ff:febe:3a81/64 scope link 
       valid_lft forever preferred_lft forever
3: wlp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 10:27:f5:55:8f:d9 brd ff:ff:ff:ff:ff:ff

>>    sudo iwlist scan 

wlp3s0    Scan completed :
          Cell 01 - Address: 22:66:CF:A5:EA:50
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=-20 dBm  
                    Encryption key:on
                    ESSID:"Freebox-12EF61"
                    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=0000000f00b1ef76
                    Extra: Last beacon: 100ms ago
                    IE: Unknown: 000E46726565626F782D313245463631
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0501002C0000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 3B025100
                    IE: Unknown: 2D1AEC001BFFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D1606000400000000000000000000000000000000000000
                    IE: Unknown: 7F080400088200000040
                    IE: Unknown: 6B070038071612EF61
                    IE: Unknown: 6C027F00
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD880050F204104A00011010440001021057000101103B000103104700103333402D07534A43BDF0E345ED7482531021000A46726565626F782053411023000E46726565626F782053657276657210240001381042000C3338303731363132454636311054000800060050F20400011011000746726565626F781008000200001049000600372A000120
          Cell 02 - Address: 3A:07:16:86:F7:44
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=62/70  Signal level=-48 dBm  
                    Encryption key:on
                    ESSID:"Freebox-12EF61"
                    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=0000000f00b4d0d0
                    Extra: Last beacon: 100ms ago
                    IE: Unknown: 000E46726565626F782D313245463631
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 0B0500001F0000
                    IE: Unknown: 46057200000000
                    IE: Unknown: 3B025100
                    IE: Unknown: 2D1AEC0003FFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D1606000000000000000000000000000000000000000000
                    IE: Unknown: 7F0A04000882000000400040
                    IE: Unknown: 6B070038071612EF61
                    IE: Unknown: 6C027F00
                    IE: Unknown: FF1D230D00189A401002604C880FC1839C110C00FAFFFAFF791CC7711CC771
                    IE: Unknown: FF0724F03F000AFCFF
                    IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00
                    IE: Unknown: DD8D0050F204104A00011010440001021057000101103B000103104700103333402D07534A43BDF0E345ED7482531021000A46726565626F782053411023000E46726565626F782053657276657210240001381042000C3338303731363132454636311054000800060050F20400011011000746726565626F78100800020000103C0001011049000600372A000120
                    IE: Unknown: DD0C0007CB010801000000000000
          Cell 03 - Address: 22:66:CF:A5:EA:52
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=70/70  Signal level=-20 dBm  
                    Encryption key:on
                    ESSID:""
                    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
                    ESSID:"fbx-VDRAWIF622XQB7BBISZVL76E62O"
                    Extra:Mesh Network Path Selection Protocol ID: 0x01
                    Extra:Path Selection Metric ID: 0x01
                    Extra:Congestion Control Mode ID: 0x00
                    Extra:Synchronization ID: 0x01
                    Extra:Authentication ID: 0x01
                    Extra:Formation Info: 0x02
                    Extra:Capabilities: 0x01
                    Mode:Unknown/bug
                    Extra:tsf=0000000f00b6d003
                    Extra: Last beacon: 496ms ago
                    IE: Unknown: 0000
                    IE: Unknown: 010882848B968C129824
                    IE: Unknown: 030106
                    IE: Unknown: 050401020000
                    IE: Unknown: 3204B048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : unknown (8)
                    IE: Unknown: 2D1AE71103FFFF000000000000000000000100000000000000000000
                    IE: Unknown: 3D16060000000000FFFF0000000000000000000000000000
                    IE: Unknown: 721F6662782D5644524157494636323258514237424249535A564C37364536324F
                    IE: Unknown: 710701010001010201
                    IE: Unknown: FF1D230900088A401002600C800D41811C100000FAFFFAFF791CC7711CC771
                    IE: Unknown: FF0724F03F0180FFFF


>>    uname -r -m 

6.14.0-28-generic x86_64

>>    cat /etc/network/interfaces 


>>    nm-tool 


>>    nmcli dev wifi 

IN-USE  BSSID              SSID                             MODE   CHAN  RATE        SIGNAL  BARS  SECURITY 
        22:66:CF:A5:EA:52  fbx-VDRAWIF622XQB7BBISZVL76E62O  Mesh   6     270 Mbit/s  100     ▂▄▆█  WPA3     
        22:66:CF:A5:EA:50  Freebox-12EF61                   Infra  6     130 Mbit/s  100     ▂▄▆█  WPA2     
        3A:07:16:86:F7:44  Freebox-12EF61                   Infra  6     130 Mbit/s  87      ▂▄▆█  WPA2     

>>    nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04) 

NAME            UUID                                  TYPE      DEVICE 
netplan-enp4s0  6051479d-df65-3705-9f22-99be0f7f2e09  ethernet  enp4s0 
lo              9c6b2980-f619-44a7-94cd-6f4753e8cf0f  loopback  lo     

>>    sudo rfkill list 

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no

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