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FreeWifi : Ubuntu vs autres distributions

2pie

Bonjour à tous,

J'utilise intensément le réseau FreeWifi. La connexion marche très bien sur Ubuntu (Xubuntu 14.04): une fois identifié, la connexion est bonne, voir très bonne (selon les heures, etc.). Il y a quelques instabilité mais globalement je suis très satisfait.
Par contre, pour toutes les autres distributions que j'ai essayé (Debian Jessie, Fedora 23, Manjaro 15), la connexion FreeWifi est chaque fois très mauvaises.
Pourtant la même machine est utilisée, avec le même pilote (iwlwifi 3.16.0-55 generic).

Du coup je suis curieux, qu'est ce qui fait que Ubuntu performe mieux que les autres sur ce point là ? Ubuntu est basé sur Debian alors qu'est ce qui a été rajouté qui permet cette qualité de connexion ?

Attention je parle uniquement de FreeWifi ici !

Braun

Bonsoir,
Ce serait instructif de comparer les configurations, choix du canal, fréquence, clef etc ... qui sont parfois définies par défaut.

2pie

J'ai éssayé Lubuntu 14.04.3 (version de iwlwifi = 3.19) et Lubuntu 15.10 (version iwlwifi = 4.2), et la connexion FreeWifi est à nouveau laborieuse. Je pense que le problème viens des différentes version de iwlwifi. (je fais l'hypothèse que la configuration réseau est la même entre lubuntu et xubuntu).

moko138

2pie a écrit3.16.0-55 (...) J'ai éssayé Lubuntu 14.04.3 (version de iwlwifi = 3.19) et Lubuntu 15.10 (version iwlwifi = 4.2), et la connexion FreeWifi est à nouveau laborieuse. Je pense que le problème viens des différentes version de iwlwifi.

Ce que tu as donné, ce sont les versions des noyaux linux, pas du module iwlwifi.

Regarde en tête du forum wifi : il y a des retours de commande à poster (normalement dès le 1er message).

2pie

Oui, je ne les ai pas posté parce que le problème était relatif à un type de connexion spécifique, j'ai pensé que ce ne serait pas utile. De plus le problème concerne plusieurs installations différentes (de différentes distributions).
Les voilà donc pour Lubuntu: 15.10:

victor@gnu:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.10
DISTRIB_CODENAME=wily
DISTRIB_DESCRIPTION="Ubuntu 15.10"
victor@gnu:~$ lsusb
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 005: ID 0c45:6448 Microdia 
Bus 003 Device 004: ID 8087:07da Intel Corp. 
Bus 003 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
victor@gnu:~$ lspci
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
07:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)
09:00.0 Ethernet controller: Qualcomm Atheros AR8162 Fast Ethernet (rev 10)
victor@gnu:~$ lspci -nn | grep -i net
07:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 2230 [8086:0887] (rev c4)
09:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10)
victor@gnu:~$ lspci -k
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
	Subsystem: Dell Device 057e
	Kernel driver in use: ivb_uncore
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
	Subsystem: Dell Device 057e
	Kernel driver in use: i915
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: xhci_hcd
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: mei_me
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: ehci-pci
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
	Kernel driver in use: pcieport
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
	Kernel driver in use: pcieport
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
	Kernel driver in use: pcieport
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: ehci-pci
00:1f.0 ISA bridge: Intel Corporation HM77 Express Chipset LPC Controller (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: lpc_ich
00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 04)
	Subsystem: Dell Device 057e
	Kernel driver in use: ahci
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
	Subsystem: Dell Device 057e
07:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)
	Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN
	Kernel driver in use: iwlwifi
09:00.0 Ethernet controller: Qualcomm Atheros AR8162 Fast Ethernet (rev 10)
	Subsystem: Dell Device 057e
	Kernel driver in use: alx
victor@gnu:~$ sudo lshw -C network
[sudo] password for victor: 
  *-network               
       description: Wireless interface
       product: Centrino Wireless-N 2230
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:07:00.0
       logical name: wlp7s0
       version: c4
       serial: 68:17:29:0c:2d:67
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=iwlwifi driverversion=4.2.0-16-generic firmware=18.168.6.1 ip=10.3.221.3 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
       resources: irq:30 memory:f7d00000-f7d01fff
  *-network
       description: Ethernet interface
       product: AR8162 Fast Ethernet
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:09:00.0
       logical name: enp9s0
       version: 10
       serial: e0:db:55:a1:89:5e
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=alx latency=0 link=no multicast=yes port=twisted pair
       resources: irq:32 memory:f7c00000-f7c3ffff ioport:e000(size=128)
victor@gnu:~$ lsmod
Module                  Size  Used by
bnep                   20480  2
rtsx_usb_ms            20480  0
memstick               20480  1 rtsx_usb_ms
dell_wmi               16384  0
sparse_keymap          16384  1 dell_wmi
arc4                   16384  2
dell_laptop            20480  0
dcdbas                 16384  1 dell_laptop
snd_hda_codec_hdmi     49152  1
iwldvm                233472  0
uvcvideo               90112  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
mac80211              733184  1 iwldvm
videobuf2_core         49152  1 uvcvideo
dell_smm_hwmon         16384  0
v4l2_common            16384  1 videobuf2_core
videodev              172032  3 uvcvideo,v4l2_common,videobuf2_core
media                  24576  2 uvcvideo,videodev
snd_hda_codec_idt      57344  1
snd_hda_codec_generic    77824  1 snd_hda_codec_idt
intel_rapl             20480  0
iosf_mbi               16384  1 intel_rapl
x86_pkg_temp_thermal    16384  0
intel_powerclamp       16384  0
coretemp               16384  0
kvm_intel             167936  0
kvm                   512000  1 kvm_intel
snd_hda_intel          36864  1
snd_hda_codec         135168  4 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_intel
crct10dif_pclmul       16384  0
snd_hda_core           65536  5 snd_hda_codec_hdmi,snd_hda_codec_idt,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep              16384  1 snd_hda_codec
crc32_pclmul           16384  0
ghash_clmulni_intel    16384  0
aesni_intel           167936  0
aes_x86_64             20480  1 aesni_intel
lrw                    16384  1 aesni_intel
snd_pcm               102400  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
gf128mul               16384  1 lrw
glue_helper            16384  1 aesni_intel
ablk_helper            16384  1 aesni_intel
cryptd                 20480  3 ghash_clmulni_intel,aesni_intel,ablk_helper
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_rawmidi            32768  1 snd_seq_midi
snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
iwlwifi               200704  1 iwldvm
btusb                  45056  0
btrtl                  16384  1 btusb
cfg80211              548864  3 iwlwifi,mac80211,iwldvm
btbcm                  16384  1 btusb
btintel                16384  1 btusb
joydev                 20480  0
bluetooth             516096  24 bnep,btbcm,btrtl,btusb,btintel
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
input_leds             16384  0
shpchp                 36864  0
snd_timer              32768  2 snd_pcm,snd_seq
serio_raw              16384  0
snd                    81920  13 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_idt,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device
mei_me                 32768  0
mei                    98304  1 mei_me
soundcore              16384  1 snd
lpc_ich                24576  0
mac_hid                16384  0
parport_pc             32768  0
ppdev                  20480  0
lp                     20480  0
parport                49152  3 lp,ppdev,parport_pc
autofs4                40960  2
rtsx_usb_sdmmc         28672  0
rtsx_usb               24576  2 rtsx_usb_sdmmc,rtsx_usb_ms
i915                 1130496  5
psmouse               126976  0
i2c_algo_bit           16384  1 i915
drm_kms_helper        126976  1 i915
ahci                   36864  4
drm                   356352  7 i915,drm_kms_helper
libahci                32768  1 ahci
alx                    36864  0
mdio                   16384  1 alx
wmi                    20480  1 dell_wmi
video                  36864  3 i915,dell_wmi,dell_laptop
victor@gnu:~$ iwconfig
enp9s0    no wireless extensions.

wlp7s0    IEEE 802.11bgn  ESSID:"FreeWifi"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: 14:0C:76:8B:39:67   
          Bit Rate=2 Mb/s   Tx-Power=16 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=37/70  Signal level=-73 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:228  Invalid misc:315   Missed beacon:0

lo        no wireless extensions.

victor@gnu:~$ ifconfig
enp9s0    Link encap:Ethernet  HWaddr e0:db:55:a1:89:5e  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:17 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:504 errors:0 dropped:0 overruns:0 frame:0
          TX packets:504 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:44712 (44.7 KB)  TX bytes:44712 (44.7 KB)

wlp7s0    Link encap:Ethernet  HWaddr 68:17:29:0c:2d:67  
          inet addr:10.3.221.3  Bcast:10.7.255.255  Mask:255.248.0.0
          inet6 addr: fe80::6a17:29ff:fe0c:2d67/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:434 errors:0 dropped:0 overruns:0 frame:0
          TX packets:708 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:167232 (167.2 KB)  TX bytes:84950 (84.9 KB)

victor@gnu:~$ sudo iwlist scan
enp9s0    Interface doesn't support scanning.

wlp7s0    Scan completed :
          Cell 01 - Address: 14:0C:76:8B:39:67
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=36/70  Signal level=-74 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=000000de23868e09
                    Extra: Last beacon: 132ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B001500000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 02 - Address: 44:E9:DD:EA:92:0E
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:on
                    ESSID:"SFR-9208"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000000125a1069b7
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 00085346522D39323038
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030101
                    IE: Unknown: 2A0104
                    IE: Unknown: 2F0104
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 0B0505001F0000
                    IE: Unknown: 2D1AAD1917FFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D1601080400000000000000000000000000000000000000
                    IE: Unknown: 7F080400080000000040
                    IE: Unknown: DD830050F204104A0001101044000102103B000103104700103DF21B00940B7930B69FEA040B69852510210008454D544136322D3110230008454D544136322D311024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D436F6D4150100800020000103C0001011049000600372A000120
                    IE: Unknown: DD090010180205001C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
                    IE: Unknown: 46057208010000
                    IE: Unknown: DD1E00904C0408BF0CB259820FEAFF0000EAFF0000C0050001000000C3020002
          Cell 03 - Address: 52:1F:9F:FD:A7:96
                    Channel:3
                    Frequency:2.422 GHz (Channel 3)
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:off
                    ESSID:"Bouygues Telecom Wi-Fi"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=0000005db0ee99a1
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 0016426F7579677565732054656C65636F6D2057692D4669
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030103
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180200F4040000
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 04 - Address: 00:1F:9F:FD:A7:95
                    Channel:3
                    Frequency:2.422 GHz (Channel 3)
                    Quality=29/70  Signal level=-81 dBm  
                    Encryption key:on
                    ESSID:"Bbox-marie"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=0000005db0ee9fa9
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000A42626F782D6D61726965
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030103
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180200F4040000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 05 - Address: 44:E9:DD:EA:A0:76
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=60/70  Signal level=-50 dBm  
                    Encryption key:on
                    ESSID:"Numericable-a070"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=0000006c81676aef
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 00104E756D6572696361626C652D61303730
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: 0B050100280000
                    IE: Unknown: 2D1AAD1917FFFFFF0000000000000000000000000000000000000000
                    IE: Unknown: 3D1606081500000000000000000000000000000000000000
                    IE: Unknown: 7F080400080000000040
                    IE: Unknown: DD830050F204104A0001101044000102103B000103104700105F07AE3DC92F42F58048F536175C0AB110210008454D544136322D3110230008454D544136322D311024000631323334353610420007303030303030311054000800060050F20400011011000A536167656D436F6D4150100800020000103C0001031049000600372A000120
                    IE: Unknown: DD090010180201001C0000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101880003A4000027A4000042435E0062322F00
                    IE: Unknown: 46057208010000
                    IE: Unknown: DD1E00904C0408BF0CB259820FEAFF0000EAFF0000C0050006000000C3020002
          Cell 06 - Address: 00:26:44:F2:FB:6D
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=33/70  Signal level=-77 dBm  
                    Encryption key:on
                    ESSID:"Bbox-724600"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s
                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
                    Mode:Master
                    Extra:tsf=000000146f071898
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000B42626F782D373234363030
                    IE: Unknown: 010882848B962430486C
                    IE: Unknown: 030106
                    IE: Unknown: 2A0100
                    IE: Unknown: 2F0100
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: 32040C121860
                    IE: Unknown: DD090010180201F4040000
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00
          Cell 07 - Address: D0:84:B0:7C:41:DE
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=37/70  Signal level=-73 dBm  
                    Encryption key:on
                    ESSID:"Livebox-41DE"
                    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=0000014e5b0003b2
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000C4C697665626F782D34314445
                    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: DD180050F20201018C0003A4000027A4000042435E0062322F00
                    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: DD8F0050F204104A0001101044000102103B000103104700104C38403C4A38FF4BFC394C4D0838403C10210008536167656D636F6D10230016536167656D636F6D46617374333936355F4C42322E381024000C53475F4C42335F312E322E33104200094E51313531353246461054000800060050F204000110110000100800020006103C0001011049000600372A000120
          Cell 08 - Address: 92:84:B0:7C:41:DE
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=22/70  Signal level=-88 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=3200014e5b027462
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 00066F72616E6765
                    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: DD180050F20201018C0003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
          Cell 09 - Address: 5C:33:8E:CD:31:38
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=22/70  Signal level=-88 dBm  
                    Encryption key:on
                    ESSID:"Bbox-A61AC8"
                    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=000000636a199ac5
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000B42626F782D413631414338
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030106
                    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: 2A0100
                    IE: Unknown: 32043048606C
                    IE: Unknown: DD180050F2020101820003A4000027A4000042435E0062322F00
                    IE: Unknown: DD0900037F01010000FF7F
                    IE: Unknown: DD0A00037F04010000000000
          Cell 10 - Address: F4:CA:E5:B0:97:F4
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=31/70  Signal level=-79 dBm  
                    Encryption key:on
                    ESSID:"Freebox-56051D"
                    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=00000005f2429186
                    Extra: Last beacon: 860ms ago
                    IE: Unknown: 000E46726565626F782D353630353144
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 030106
                    IE: Unknown: 050400020000
                    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: 3D1606001100000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 11 - Address: 14:0C:76:8B:39:66
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=30/70  Signal level=-80 dBm  
                    Encryption key:on
                    ESSID:"freebox_habib"
                    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=000000de28c50640
                    Extra: Last beacon: 656ms ago
                    IE: Unknown: 000D66726565626F785F6861626962
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 12 - Address: 5C:A3:9D:F5:F7:A8
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=37/70  Signal level=-73 dBm  
                    Encryption key:on
                    ESSID:"Bbox-A7AD00D0"
                    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=000003cb6fc5fbf9
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000D42626F782D4137414430304430
                    IE: Unknown: 010882848B961224486C
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 32040C183060
                    IE: Unknown: 2D1AEC0103FFFF0000000000000000000000000000000C0000000000
                    IE: Unknown: 3D160B000100000000000000000000000000000000000000
                    IE: WPA Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: 0B05000040127A
                    IE: Unknown: 7F0101
                    IE: Unknown: DD07000C4307000000
                    IE: Unknown: 0706465220010D10
                    IE: Unknown: DDA70050F204104A0001101044000102103B000103104700108E27A4DC12A64A8F966157AF18B627D41021001A43656C656E6F20436F6D6D756E69636174696F6E2C20496E632E1023001743656C656E6F20576972656C65737320415020322E344710240006434C313830301042000831323334353637381054000800060050F20400011011000C43656C656E6F4150322E344710080002210C103C0001011049000600372A000120
          Cell 13 - Address: 00:24:D4:54:FA:6C
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=33/70  Signal level=-77 dBm  
                    Encryption key:on
                    ESSID:"freebox"
                    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=000003dd4895fba5
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000766726565626F78
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 14 - Address: 00:24:D4:54:FA:6D
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=33/70  Signal level=-77 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=000003dd48958902
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 00084672656557696669
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B001300000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 15 - Address: 00:24:D4:54:FA:6E
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=34/70  Signal level=-76 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=000003dd48951022
                    Extra: Last beacon: 76ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 2D1A6C0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B001300000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
          Cell 16 - Address: 14:0C:76:8B:39:68
                    Channel:11
                    Frequency:2.462 GHz (Channel 11)
                    Quality=35/70  Signal level=-75 dBm  
                    Encryption key:on
                    ESSID:"FreeWifi_secure"
                    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=000000de28cc8326
                    Extra: Last beacon: 100ms ago
                    IE: Unknown: 000F46726565576966695F736563757265
                    IE: Unknown: 010882848B962C0C1218
                    IE: Unknown: 03010B
                    IE: Unknown: 050400020000
                    IE: Unknown: 2A0104
                    IE: Unknown: 3205243048606C
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : CCMP TKIP
                        Authentication Suites (1) : 802.1x
                    IE: Unknown: 2D1AEC0003FFFFFF0001000000000000000100000000000000000000
                    IE: Unknown: 3D160B001500000000000000000000000000000000000000
                    IE: Unknown: 7F080000000000000040
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00

lo        Interface doesn't support scanning.

victor@gnu:~$ uname -r -m
4.2.0-16-generic x86_64
victor@gnu:~$ cat  /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
victor@gnu:~$ nm-tool
No command 'nm-tool' found, did you mean:
 Command 'dm-tool' from package 'lightdm' (main)
nm-tool: command not found
victor@gnu:~$ sudo rfkill li
Usage:	rfkill [options] command
Options:
	--version	show version (0.5-1ubuntu2 (Ubuntu))
Commands:
	help
	event
	list [IDENTIFIER]
	block IDENTIFIER
	unblock IDENTIFIER
where IDENTIFIER is the index no. of an rfkill switch or one of:
	<idx> all wifi wlan bluetooth uwb ultrawideband wimax wwan gps fm nfc
victor@gnu:~$

moko138

Maintenant nous savons qu'il s'agit de la clef (pci, pas usb)
Intel Corporation Centrino Wireless-N 2230 (rev c4)
Identifiant modèle [8086:0887]
dotée du firmware=18.168.6.1
---------
Tu as également donné d'autres infos pour Lubuntu 15.10, dont celles demandées par Braun sur les réseaux disponibles.
Les spécialistes de la wifi peuvent presque entrer en lice. 🙂

(Tu as vu, avec 15.10, "nm-tool: command not found".)
nm-tool convient jusqu'à 14.10, mais à partir de 15.04, je crois qu'ils te demanderont

nmcli connection show

---------
Et, puisque tu demandes une explication comparative, je ne serai pas surpris qu'ils te demandent les retours des mêmes commandes avec les autres distributions que tu as mentionnées.