Bonjour,
Je viens d'installer un vieil ordi à côté, connecté au même devolo-f4068d0bd6ae et le wifi est beaucoup plus rapide.
Y a t'il quelque chose à faire pour améliorer la vitesse du wifi de celui-ci ?
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.3 LTS"
>> lsusb
Bus 001 Device 004: ID 8086:0189 Intel Corp.
Bus 001 Device 003: ID 174f:143f Syntek
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
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 005: ID 05a4:9862 Ortek Technology, Inc. Targus Number Keypad (Composite Device)
Bus 002 Device 004: ID 046d:c040 Logitech, Inc. Corded Tilt-Wheel Mouse
Bus 002 Device 003: ID 05a4:9837 Ortek Technology, Inc. Targus Number Keypad
Bus 002 Device 002: ID 05e3:0605 Genesys Logic, Inc. USB 2.0 Hub
Bus 002 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]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
Subsystem: Dell AR8151 v2.0 Gigabit Ethernet [1028:0522]
Kernel driver in use: atl1c
Kernel modules: atl1c
02:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6230 [Rainbow Peak] [8086:0091] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6230 AGN [8086:5221]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
>> sudo lshw -C network
*-network
description: Ethernet interface
produit: AR8151 v2.0 Gigabit Ethernet
fabriquant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:01:00.0
nom logique: enp1s0
version: c0
numéro de série: d4:be:d9:0e:6a:96
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI latency=0 link=no multicast=yes port=twisted pair
ressources: irq:35 mémoire:c2600000-c263ffff portE/S:3000(taille=128)
*-network
description: Interface réseau sans fil
produit: Centrino Advanced-N 6230 [Rainbow Peak]
fabriquant: Intel Corporation
identifiant matériel: 0
information bus: pci@0000:02:00.0
nom logique: wlp2s0
version: 34
numéro de série: 88:53:2e:a0:3b:10
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-98-generic firmware=18.168.6.1 ip=192.168.1.15 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
ressources: irq:33 mémoire:c2500000-c2501fff
>> lsmod
Module Size Used by
drbg 32768 1
ansi_cprng 16384 0
ctr 16384 3
ccm 20480 3
rfcomm 69632 2
nvram 16384 0
msr 16384 0
acpi_call 16384 0
bnep 20480 2
uvcvideo 90112 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
videodev 176128 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
btusb 45056 0
media 24576 2 uvcvideo,videodev
dell_wmi 16384 0
sparse_keymap 16384 1 dell_wmi
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
bluetooth 520192 29 bnep,btbcm,btrtl,btusb,rfcomm,btintel
dell_laptop 20480 0
dcdbas 16384 1 dell_laptop
arc4 16384 2
iwldvm 233472 0
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
mac80211 737280 1 iwldvm
snd_hda_codec_hdmi 53248 1
snd_hda_codec_realtek 86016 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_hda_intel 40960 3
kvm_intel 172032 0
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep 16384 1 snd_hda_codec
snd_pcm 106496 4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
kvm 544768 1 kvm_intel
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
iwlwifi 200704 1 iwldvm
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
cfg80211 565248 3 iwlwifi,mac80211,iwldvm
crc32_pclmul 16384 0
snd_timer 32768 2 snd_pcm,snd_seq
ghash_clmulni_intel 16384 0
mei_me 36864 0
snd 81920 17 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
mei 98304 1 mei_me
aesni_intel 167936 6
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
rtsx_pci_ms 20480 0
memstick 20480 1 rtsx_pci_ms
cryptd 20480 3 ghash_clmulni_intel,aesni_intel,ablk_helper
soundcore 16384 1 snd
lpc_ich 24576 0
shpchp 36864 0
joydev 20480 0
input_leds 16384 0
serio_raw 16384 0
mac_hid 16384 0
dell_smo8800 16384 0
binfmt_misc 20480 1
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 118784 2 hid_generic,usbhid
rtsx_pci_sdmmc 24576 0
i915 1208320 5
i2c_algo_bit 16384 1 i915
drm_kms_helper 155648 1 i915
syscopyarea 16384 1 drm_kms_helper
psmouse 131072 0
sysfillrect 16384 1 drm_kms_helper
ahci 36864 2
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
libahci 32768 1 ahci
drm 364544 7 i915,drm_kms_helper
rtsx_pci 53248 2 rtsx_pci_ms,rtsx_pci_sdmmc
atl1c 49152 0
wmi 20480 1 dell_wmi
video 40960 3 i915,dell_wmi,dell_laptop
fjes 28672 0
>> iwconfig
wlp2s0 IEEE 802.11abgn ESSID:"devolo-f4068d0bd6ae"
Mode:Managed Frequency:2.462 GHz Access Point: F4:06:8D:0B:D6:AE
Bit Rate=65 Mb/s Tx-Power=15 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=56/70 Signal level=-54 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:1 Invalid misc:781 Missed beacon:0
>> ifconfig -a
enp1s0 Link encap:Ethernet HWaddr d4:be:d9:0e:6a:96
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:8276 erreurs:0 :0 overruns:0 frame:0
TX packets:8276 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1
Octets reçus:692110 (692.1 KB) Octets transmis:692110 (692.1 KB)
wlp2s0 Link encap:Ethernet HWaddr 88:53:2e:a0:3b:10
inet adr:192.168.1.15 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::f760:3ec0:2409:fe9e/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:433881 erreurs:0 :0 overruns:0 frame:0
TX packets:363754 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:489034030 (489.0 MB) Octets transmis:278516184 (278.5 MB)
>> sudo iwlist scan
wlp2s0 Scan completed :
Cell 01 - Address: F4:06:8D:0B:D6:AE
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=56/70 Signal level=-54 dBm
Encryption key:on
ESSID:"devolo-f4068d0bd6ae"
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=00000041946c952e
Extra: Last beacon: 128ms ago
IE: Unknown: 00136465766F6C6F2D663430363864306264366165
IE: Unknown: 010882848B960C121824
IE: Unknown: 03010B
IE: Unknown: 2A0104
IE: Unknown: 32043048606C
IE: Unknown: 2D1A6E1103FF00000000000000000000000000000000000000000000
IE: Unknown: 331A6E1103FF00000000000000000000000000000000000000000000
IE: Unknown: 3D160B080400000000000000000000000000000000000000
IE: Unknown: 34160B080400000000000000000000000000000000000000
IE: Unknown: 4A0E14000A002C01C800140005001900
IE: Unknown: 7F050100000000
IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DDB10050F204104A00011010440001021057000101103B0001031047001014E7C14011DE5E3BBCA17487B794E21E10210007756E6B6E6F776E10230018486F6D65506C756720415620576972656C6573732041502010240017486F6D65506C756720415620576972656C65737320415010420003312E301054000800060050F204000110110017486F6D65506C756720415620576972656C65737320415010080002200E103C0001011049000600372A000120
Cell 02 - Address: F0:9F:C2:6E:9B:D3
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=28/70 Signal level=-82 dBm
Encryption key:on
ESSID:"notschka"
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=0000014448190986
Extra: Last beacon: 5756ms ago
IE: Unknown: 00086E6F747363686B61
IE: Unknown: 010882848B968C129824
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 3204B048606C
IE: Unknown: 0B0501002C0000
IE: Unknown: 2D1AAD0903FFFFFFFF00000000000000000100000000000000000000
IE: Unknown: 3D1601000C00000000000000000000000000000000000000
IE: Unknown: 7F0804000F0200000040
IE: Unknown: BF0CB2798B33AAFF0000AAFF0000
IE: Unknown: C005000000FCFF
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD1300156D00010100010230E58106F09FC26E9BD0
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Cell 03 - Address: F2:9F:C2:6E:9B:D3
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=29/70 Signal level=-81 dBm
Encryption key:on
ESSID:"FSP_Administration"
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=0000014448188e04
Extra: Last beacon: 5752ms ago
IE: Unknown: 00124653505F41646D696E697374726174696F6E
IE: Unknown: 010882848B968C129824
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 3204B048606C
IE: Unknown: 0B0501002C0000
IE: Unknown: 2D1AAD0903FFFFFFFF00000000000000000100000000000000000000
IE: Unknown: 3D1601000C00000000000000000000000000000000000000
IE: Unknown: 7F0804000F0200000040
IE: Unknown: BF0CB2798B33AAFF0000AAFF0000
IE: Unknown: C005000000FCFF
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD1300156D00010100010230E58106F09FC26E9BD0
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : 802.1x
Cell 04 - Address: 02:9F:C2:6E:9B:D3
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=29/70 Signal level=-81 dBm
Encryption key:off
ESSID:"FSP_Invite"
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=00000144481812d1
Extra: Last beacon: 5736ms ago
IE: Unknown: 000A4653505F496E76697465
IE: Unknown: 010882848B968C129824
IE: Unknown: 030101
IE: Unknown: 2A0100
IE: Unknown: 3204B048606C
IE: Unknown: 0B0500002C0000
IE: Unknown: 2D1AAD0903FFFFFFFF00000000000000000100000000000000000000
IE: Unknown: 3D1601000C00000000000000000000000000000000000000
IE: Unknown: 7F0804000F0000000040
IE: Unknown: BF0CB2798B33AAFF0000AAFF0000
IE: Unknown: C005000000FCFF
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: DD0900037F01010000FF7F
IE: Unknown: DD1300156D00010100010230E58106F09FC26E9BD0
Cell 05 - Address: 00:0B:3B:D1:CD:33
Channel:7
Frequency:2.442 GHz (Channel 7)
Quality=23/70 Signal level=-87 dBm
Encryption key:on
ESSID:"devolo-000B3BD1CD33"
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=00000001adfe216d
Extra: Last beacon: 5524ms ago
IE: Unknown: 00136465766F6C6F2D303030423342443143443333
IE: Unknown: 010882848B961224486C
IE: Unknown: 030107
IE: Unknown: 32040C183060
IE: Unknown: 33082001020304050607
IE: Unknown: 33082105060708090A0B
IE: Unknown: DD270050F204104A0001101044000102104700102880288028801880A880000B3BD1CD33103C000101
IE: Unknown: 050400010000
IE: Unknown: 2A0100
IE: Unknown: 2D1AEE1117FFFF0000010000000000000000000000000C0000000000
IE: Unknown: 3D1607000600000000000000000000000000000000000000
IE: Unknown: 7F0101
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 0B05020009127A
IE: Unknown: DD1E00904C33EE1117FFFF0000010000000000000000000000000C0000000000
IE: Unknown: DD1A00904C3407000600000000000000000000000000000000000000
IE: Unknown: DD07000B3B07000000
Cell 06 - Address: 2E:90:48:12:E9:16
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=22/70 Signal level=-88 dBm
Encryption key:on
ESSID:""
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=00000001b20a2437
Extra: Last beacon: 5128ms ago
IE: Unknown: 0000
IE: Unknown: 010882848B961224486C
IE: Unknown: 03010B
IE: Unknown: 32040C183060
IE: Unknown: 33082001020304050607
IE: Unknown: 33082105060708090A0B
IE: Unknown: 050400010000
IE: Unknown: 2A0106
IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: 3D160B000600000000000000000000000000000000000000
IE: Unknown: 7F0101
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
IE: Unknown: 0B0503004C127A
IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000
IE: Unknown: DD1A00904C340B000600000000000000000000000000000000000000
IE: Unknown: DD07000C4300000000
>> uname -r -m
4.4.0-98-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
* devolo-f4068d0bd6ae Infra 11 54 Mo/s 77 ▂▄▆_ WPA2
FSP_Invite Infra 1 54 Mo/s 32 ▂▄__ --
FSP_Administration Infra 1 54 Mo/s 32 ▂▄__ WPA2 802.1X
notschka Infra 1 54 Mo/s 30 ▂___ WPA2
devolo-000B3BD1CD33 Infra 7 54 Mo/s 22 ▂___ WPA2
-- Infra 11 54 Mo/s 22 ▂___ WPA2
FreeWifi Infra 11 54 Mo/s 20 ▂___ --
-- Infra 11 54 Mo/s 20 ▂___ WPA2
FreeWifi Infra 1 54 Mo/s 19 ▂___ --
Livebox-0668 Infra 1 54 Mo/s 19 ▂___ WPA1 WPA2
FSP_Administration Infra 6 54 Mo/s 17 ▂___ WPA2 802.1X
ssid-wifi-guest Infra 12 54 Mo/s 17 ▂___ WPA2
notschka Infra 6 54 Mo/s 15 ▂___ WPA2
>> nmcli connection show
NOM UUID TYPE PÉRIPHÉRIQUE
devolo-f4068d0bd6ae 8e44d852-4d15-4d8d-bc3c-278c0e585c16 802-11-wireless wlp2s0
Bbox-EF88F57B 70001ba8-4f1e-479b-8794-e86932403ca7 802-11-wireless --
Connexion filaire 1 6484b66e-7a6b-3ef2-8549-8b80e22e719a 802-3-ethernet --
D-Link170 12594053-687c-45a9-831b-e36ee3d235c5 802-11-wireless --
DIRECT-35-HP OfficeJet 3830 30e27d48-3d50-463c-b7e1-0327bbd4db29 802-11-wireless --
Livebox-0668 549a1c73-9cc0-48f9-b543-b3adf72ef8ec 802-11-wireless --
Livebox-289E 509900e5-9669-4d57-815a-35f521394ffa 802-11-wireless --
Livebox-57BA d64b5bf0-55fc-4b17-bb33-49da8e4d901d 802-11-wireless --
Livebox-95C2 d1d24cd0-510f-4e90-82ce-b0aa60cde176 802-11-wireless --
Livebox-9D19 89a924ea-9525-4974-8bed-aeecf3fc7ec4 802-11-wireless --
Livebox-DBB0 857f7907-5f41-4014-9a17-5a30f2415cdd 802-11-wireless --
Livebox-DBB0_wifi_invite a9cb6cb0-8c94-4eb2-bc59-a88b9b638b7d 802-11-wireless --
NETGEAR72 280a8a84-af10-46b3-976e-ae396bcb0767 802-11-wireless --
Numericable-1608 6a50457f-f17f-4c3f-8ed0-e6bf4c424649 802-11-wireless --
Numericable-ce03 a57e942e-18d0-4d99-ba88-bee4511c8caf 802-11-wireless --
SAXUM GUESTS 52943acb-abb1-4ebf-a165-576453719c3d 802-11-wireless --
biranta 9b31ee17-ed10-40ba-937f-0e390131259a 802-11-wireless --
freebox_lobau 0cde3d0f-0a6a-42fd-9c2c-46f9f287064a 802-11-wireless --
hpsetup de6fd258-aa07-450c-92d2-08f1c056c6ba 802-11-wireless --
lobau 3cc08fdf-96c9-45bd-b388-e0d43998bca3 802-11-wireless --
orange b9369351-0fce-4548-a752-92ff29df9dab 802-11-wireless --
ssid-wifi-guest 38e0835e-c51e-4ce6-91d2-fdf6fde42095 802-11-wireless --
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
5: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
Merci !🙂