Bonjour,
Je souhaite améliorer ma connexion Wifi très instable (elle charge deux trois pages, puis coupe). Après lecture
du fil consacré à la rrl8821ae, je n'ai carrément plus de connexion.
J'ai du faire des c@nnr!es.
Les commandes qui vont bien :
>> 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:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 0bda:0821 Realtek Semiconductor Corp.
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 5986:06b1 Acer, Inc
Bus 001 Device 002: ID 062a:5918 Creative Labs
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:384c]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821]
Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814]
Kernel driver in use: rtl8821ae
Kernel modules: rtl8821ae
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: enp1s0
version: 10
numéro de série: c8:5b:76:be:6d: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 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-3_0.0.1 04/23/13 ip=192.168.1.18 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
ressources: irq:126 portE/S:4000(taille=256) mémoire:b1104000-b1104fff mémoire:b1100000-b1103fff
*-network
description: Interface réseau sans fil
produit: RTL8821AE 802.11ac PCIe Wireless Network Adapter
fabriquant: Realtek Semiconductor Co., Ltd.
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 00
numéro de série: c8:3d:d4:7b:03:21
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtl8821ae driverversion=4.10.0-38-generic firmware=N/A latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources: irq:129 portE/S:3000(taille=256) mémoire:b1000000-b1003fff
>> lsmod
Module Size Used by
rtl8821ae 225280 0
btcoexist 53248 1 rtl8821ae
rtl_pci 28672 1 rtl8821ae
rtlwifi 73728 2 rtl_pci,rtl8821ae
mac80211 782336 3 rtl_pci,rtlwifi,rtl8821ae
cfg80211 602112 2 mac80211,rtlwifi
ccm 20480 1
cmac 16384 0
bnep 20480 2
snd_hda_codec_hdmi 49152 1
snd_hda_codec_conexant 24576 1
snd_hda_codec_generic 73728 1 snd_hda_codec_conexant
nls_iso8859_1 16384 1
snd_soc_skl 65536 0
snd_soc_skl_ipc 49152 1 snd_soc_skl
snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc
intel_rapl 20480 0
snd_soc_sst_dsp 28672 1 snd_soc_skl_ipc
snd_hda_ext_core 24576 1 snd_soc_skl
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
snd_soc_sst_match 16384 1 snd_soc_skl
coretemp 16384 0
snd_soc_core 233472 1 snd_soc_skl
kvm 593920 0
snd_compress 20480 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
irqbypass 16384 1 kvm
snd_hda_intel 36864 3
snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_codec_generic
crct10dif_pclmul 16384 0
snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic
crc32_pclmul 16384 0
arc4 16384 2
ghash_clmulni_intel 16384 0
snd_hwdep 16384 1 snd_hda_codec
pcbc 16384 0
snd_pcm 102400 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
aesni_intel 167936 2
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
aes_x86_64 20480 1 aesni_intel
uvcvideo 90112 0
crypto_simd 16384 1 aesni_intel
glue_helper 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
rtsx_usb_ms 20480 0
videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2
input_leds 16384 0
joydev 20480 0
memstick 16384 1 rtsx_usb_ms
videodev 172032 3 uvcvideo,videobuf2_core,videobuf2_v4l2
media 40960 2 uvcvideo,videodev
serio_raw 16384 0
snd 77824 19 snd_compress,snd_hda_intel,snd_hwdep,snd_hda_codec_conexant,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_soc_core,snd_pcm
mei_me 40960 0
soundcore 16384 1 snd
mei 102400 1 mei_me
shpchp 36864 0
ucsi 16384 0
intel_pch_thermal 16384 0
hci_uart 98304 0
intel_lpss_acpi 16384 0
btqca 16384 1 hci_uart
mac_hid 16384 0
intel_lpss 16384 1 intel_lpss_acpi
acpi_pad 180224 0
tpm_crb 16384 0
btusb 45056 0
btrtl 16384 1 btusb
btbcm 16384 2 hci_uart,btusb
btintel 16384 2 hci_uart,btusb
bluetooth 557056 28 btrtl,hci_uart,btintel,btqca,bnep,btbcm,btusb
nfsd 339968 13
auth_rpcgss 61440 1 nfsd
nfs_acl 16384 1 nfsd
lockd 94208 1 nfsd
grace 16384 2 nfsd,lockd
parport_pc 32768 0
sunrpc 335872 18 auth_rpcgss,nfsd,nfs_acl,lockd
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
rtsx_usb_sdmmc 28672 0
rtsx_usb 20480 2 rtsx_usb_sdmmc,rtsx_usb_ms
hid_generic 16384 0
usbhid 53248 0
i915 1449984 4
psmouse 139264 0
i2c_algo_bit 16384 1 i915
drm_kms_helper 151552 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
r8169 81920 0
sysimgblt 16384 1 drm_kms_helper
ahci 36864 3
fb_sys_fops 16384 1 drm_kms_helper
mii 16384 1 r8169
libahci 32768 1 ahci
drm 352256 5 i915,drm_kms_helper
wmi 16384 0
pinctrl_sunrisepoint 28672 0
video 40960 1 i915
pinctrl_intel 20480 1 pinctrl_sunrisepoint
i2c_hid 20480 0
hid 114688 3 i2c_hid,hid_generic,usbhid
fjes 73728 0
>> iwconfig
wlp2s0 IEEE 802.11 ESSID:"Livebox-AFF8"
Mode:Managed Frequency:5.3 GHz Access Point: 8C:F8:13:0E:AF:F9
Bit Rate=150 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr=2347 B Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-32 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
>> ifconfig -a
enp1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.18 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 2a01:cb19:280:ed00:cb6:8272:db85:da9 prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb19:280:ed00:7db9:3a83:8079:4e8c prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb19:280:ed00:c543:655:e42e:b3ab prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb19:280:ed00:903a:1652:f024:b8c1 prefixlen 64 scopeid 0x0<global>
inet6 fe80::1a6a:c104:c39c:8049 prefixlen 64 scopeid 0x20<link>
inet6 2a01:cb19:280:ed00:686f:d1b3:3963:7233 prefixlen 64 scopeid 0x0<global>
ether c8:5b:76:be:6d:81 txqueuelen 1000 (Ethernet)
RX packets 8683 bytes 7190946 (7.1 MB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7564 bytes 1138801 (1.1 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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 416 bytes 32986 (32.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 416 bytes 32986 (32.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 2a01:cb19:280:ed00:35fa:daa0:469:bd9f prefixlen 64 scopeid 0x0<global>
inet6 2a01:cb19:280:ed00:477e:dab2:fab:f62e prefixlen 64 scopeid 0x0<global>
inet6 fe80::eb10:7cb9:45ce:369e prefixlen 64 scopeid 0x20<link>
ether c8:3d:d4:7b:03:21 txqueuelen 1000 (Ethernet)
RX packets 406 bytes 57960 (57.9 KB)
RX errors 0 dropped 16 overruns 0 frame 0
TX packets 140 bytes 21686 (21.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: 8C:F8:13:0E:AF:F9
Channel:60
Frequency:5.3 GHz (Channel 60)
Quality=70/70 Signal level=-32 dBm
Encryption key:on
ESSID:"Livebox-AFF8"
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=00000004c959103b
Extra: Last beacon: 300ms ago
IE: Unknown: 000C4C697665626F782D41464638
IE: Unknown: 01088C129824B048606C
IE: Unknown: 03013C
IE: Unknown: 050402030000
IE: Unknown: 07344652202401172801172C01173001173401173801173C01174001176401176801176C01177001177401178401178801178C011700
IE: Unknown: 200100
IE: Unknown: 2D1AEF011BFFFFFF00000000000000000000000000000406E4470D00
IE: Unknown: 3D163C0D0400000000000000000000000000000000000000
IE: Unknown: DD180050F20201018A0003A4000027A4000042435E0062322F00
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 02 - Address: 8C:F8:13:0E:AF:F8
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=70/70 Signal level=-28 dBm
Encryption key:on
ESSID:"Livebox-AFF8"
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=00000004ccdec876
Extra: Last beacon: 80ms ago
IE: Unknown: 000C4C697665626F782D41464638
IE: Unknown: 010882848B960C121824
IE: Unknown: 030106
IE: Unknown: 0706465220010D14
IE: Unknown: 2A0100
IE: Unknown: 32043048606C
IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E4A70C00
IE: Unknown: 3D1606080400000000000000000000000000000000000000
IE: Unknown: 341606080400000000000000000000000000000000000000
IE: Unknown: DD180050F20201018D0003A4000027A4000042435E0062322F00
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: DD8F0050F204104A0001101044000102103B000103104700103F4A4D3F383AF74CF84D4D3F3F4A4D3F10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E34104200094F50533330313746461054000800060050F204000110110000100800020006103C0001011049000600372A000120
Cell 03 - Address: 00:24:D4:69:2E:F0
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=40/70 Signal level=-70 dBm
Encryption key:on
ESSID:"Freebox-45314F"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000a2c70946d0
Extra: Last beacon: 80ms ago
IE: Unknown: 000E46726565626F782D343533313446
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: WPA Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
Cell 04 - Address: 00:24:D4:69:2E:F1
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=40/70 Signal level=-70 dBm
Encryption key:off
ESSID:"FreeWifi"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s
6 Mb/s; 9 Mb/s; 12 Mb/s
Bit Rates:18 Mb/s; 24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000a2c708dcfe
Extra: Last beacon: 80ms ago
IE: Unknown: 00084672656557696669
IE: Unknown: 010882848B962C0C1218
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 3205243048606C
IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: 7F080000000000000040
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
>> uname -r -m
4.10.0-38-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
* SSID MODE CHAN DÉBIT SIGNAL BARS SÉCURITÉ
Livebox-AFF8 Infra 6 54 Mo/s 100 ▂▄▆█ WPA1 WPA2
* Livebox-AFF8 Infra 60 54 Mo/s 100 ▂▄▆█ WPA1 WPA2
Freebox-45314F Infra 11 54 Mo/s 50 ▂▄__ WPA1
FreeWifi Infra 11 54 Mo/s 50 ▂▄__ --
>> nmcli connection show
NOM UUID TYPE PÉRIPHÉRIQUE
Connexion filaire 1 0537cd96-33a9-3454-83bb-c66b4441bdde 802-3-ethernet enp1s0
Livebox-AFF8 ea71839b-7662-4138-ba4e-53a627c98063 802-11-wireless wlp2s0
Archos 50f Neon e874eb2f-044e-4f88-abb9-c605b33c5fe3 802-11-wireless --
Livebox-1710 4a344249-f268-4f8e-88d3-db68165d9117 802-11-wireless --
TP-LINK_36A8 339084ca-2fdf-49dc-ad4e-3b395a7eb37b 802-11-wireless --
TP-LINK_36A8_5G f675863b-2ac0-4b8b-b373-6f533b422546 802-11-wireless --
>> sudo rfkill list
0: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
5: phy2: Wireless LAN
Soft blocked: no
Hard blocked: no
Des idées ?
à bientôt !