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#1 Le 04/12/2008, à 22:11

47

Wifi bloqué à 1Mb/s

Bonsoir,

imposible de changer le bit rate j'ai essayé les commandes

sudo ifdown wlan0
sudo iwconfig wlan0 rate 54M
sudo ifup wlan0

ensuite   iwconfig  la j'ai bien rate 54M mais je n'ai plus de connection internet

cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"
lsusb
Bus 003 Device 001: ID 0000:0000  
Bus 002 Device 001: ID 0000:0000  
Bus 001 Device 001: ID 0000:0000
lspci
00:00.0 Host bridge: ATI Technologies Inc RS480 Host Bridge (rev 01)
00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:05.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller
00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller
00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller
00:14.0 SMBus: ATI Technologies Inc IXP SB400 SMBus Controller (rev 11)
00:14.1 IDE interface: ATI Technologies Inc IXP SB400 IDE Controller
00:14.3 ISA bridge: ATI Technologies Inc IXP SB400 PCI-ISA Bridge
00:14.4 PCI bridge: ATI Technologies Inc IXP SB400 PCI-PCI Bridge
00:14.5 Multimedia audio controller: ATI Technologies Inc IXP SB400 AC'97 Audio Controller (rev 02)
00:14.6 Modem: ATI Technologies Inc SB400 AC'97 Modem Controller (rev 02)
00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
01:05.0 VGA compatible controller: ATI Technologies Inc Radeon XPRESS 200M 5955 (PCIE)
06:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)
06:04.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
06:04.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394 Host Controller
06:04.3 Mass storage controller: Texas Instruments PCIxx21 Integrated FlashMedia Controller
06:04.4 SD Host controller: Texas Instruments PCI6411/6421/6611/6621/7411/7421/7611/7621 Secure Digital Controller
06:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
sudo lshw _C network
Hardware Lister (lshw) - B.02.12.01
usage: lshw [-format] [-options ...]
       lshw -version

	-version        print program version (B.02.12.01)

format can be
	-html           output hardware tree as HTML
	-xml            output hardware tree as XML
	-short          output hardware paths
	-businfo        output bus information

options can be
	-class CLASS    only show a certain class of hardware
	-C CLASS        same as '-class CLASS'
	-disable TEST   disable a test (like pci, isapnp, cpuid, etc. )
	-enable TEST    enable a test (like pci, isapnp, cpuid, etc. )
	-quiet          don't display status
	-sanitize       sanitize output (remove sensitive information like serial numbers, etc.)
lsmod
Module                  Size  Used by
zd1211rw               56964  0 
ieee80211softmac       30976  1 zd1211rw
ieee80211              35528  2 zd1211rw,ieee80211softmac
ieee80211_crypt         7040  1 ieee80211
af_packet              23812  4 
ipv6                  267780  8 
rfcomm                 41744  2 
l2cap                  25728  13 rfcomm
bluetooth              61156  4 rfcomm,l2cap
rfkill_input            5760  0 
ppdev                  10372  0 
powernow_k8            16704  0 
cpufreq_userspace       5284  0 
cpufreq_ondemand        9740  1 
cpufreq_stats           7104  0 
cpufreq_conservative     8712  0 
cpufreq_powersave       2688  0 
freq_table              5536  3 powernow_k8,cpufreq_ondemand,cpufreq_stats
sbs                    15112  0 
sbshc                   7680  1 sbs
dock                   11280  0 
container               5632  0 
iptable_filter          3840  0 
ip_tables              14820  1 iptable_filter
x_tables               16132  1 ip_tables
sbp2                   24072  0 
parport_pc             36260  0 
lp                     12324  0 
parport                37832  3 ppdev,parport_pc,lp
joydev                 13120  0 
pcmcia                 40876  0 
arc4                    2944  2 
ecb                     4480  2 
blkcipher               8324  1 ecb
b43                   144548  0 
rfkill                  8596  3 rfkill_input,b43
snd_atiixp_modem       17544  5 
snd_atiixp             21388  3 
snd_ac97_codec        101028  2 snd_atiixp_modem,snd_atiixp
mac80211              165652  1 b43
ac97_bus                3072  1 snd_ac97_codec
snd_pcm_oss            42144  0 
snd_mixer_oss          17920  1 snd_pcm_oss
cfg80211               15112  1 mac80211
snd_pcm                78596  6 snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss
led_class               6020  1 b43
input_polldev           5896  1 b43
fglrx                1555468  26 
snd_seq_dummy           4868  0 
video                  19856  0 
output                  4736  1 video
snd_seq_oss            35584  0 
battery                14212  0 
snd_seq_midi            9376  0 
snd_rawmidi            25760  1 snd_seq_midi
sdhci                  19076  0 
ac                      6916  0 
snd_seq_midi_event      8320  2 snd_seq_oss,snd_seq_midi
psmouse                40336  0 
tifm_7xx1               8576  0 
snd_seq                54224  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
serio_raw               7940  0 
yenta_socket           27276  1 
rsrc_nonstatic         13696  1 yenta_socket
mmc_core               51460  1 sdhci
tifm_core              11012  1 tifm_7xx1
wmi_acer                9644  0 
pcmcia_core            40596  3 pcmcia,yenta_socket,rsrc_nonstatic
snd_timer              24836  2 snd_pcm,snd_seq
snd_seq_device          9612  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
i2c_piix4               9612  0 
button                  9232  0 
snd                    56996  26 snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_dummy,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore               8800  1 snd
ati_agp                 9996  0 
i2c_core               24832  1 i2c_piix4
k8temp                  6656  0 
snd_page_alloc         11400  3 snd_atiixp_modem,snd_atiixp,snd_pcm
shpchp                 34452  0 
pci_hotplug            30880  1 shpchp
agpgart                34760  2 fglrx,ati_agp
evdev                  13056  8 
pcspkr                  4224  0 
ext3                  136840  1 
jbd                    48404  1 ext3
mbcache                 9600  1 ext3
ide_cd                 32544  0 
cdrom                  37408  1 ide_cd
ide_disk               17536  3 
pata_acpi               8320  0 
ata_generic             8324  0 
8139too                27520  0 
pata_atiixp             8960  0 
libata                159344  3 pata_acpi,ata_generic,pata_atiixp
scsi_mod              151436  2 sbp2,libata
8139cp                 24704  0 
mii                     6400  2 8139too,8139cp
ohci1394               33584  0 
ieee1394               93752  2 sbp2,ohci1394
ssb                    34308  1 b43
atiixp                  5648  0 [permanent]
ide_core              113996  3 ide_cd,ide_disk,atiixp
ehci_hcd               37900  0 
ohci_hcd               26640  0 
usbcore               146412  4 zd1211rw,ehci_hcd,ohci_hcd
thermal                16796  0 
processor              37384  3 powernow_k8,thermal
fan                     5636  0 
fbcon                  42912  0 
tileblit                3456  1 fbcon
font                    9472  1 fbcon
bitblit                 6784  1 fbcon
softcursor              3072  1 bitblit
fuse                   50708  3
iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wmaster0  no wireless extensions.

wlan0     IEEE 802.11g  ESSID:"Wanadoo_9869"  
          Mode:Managed  Frequency:2.457 GHz  Access Point: 00:16:41:4E:D1:B7   
          Bit Rate=1 Mb/s   Tx-Power=27 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr=2346 B   
          Link Quality=60/100  Signal level=-50 dBm  Noise level=-73 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0f:b0:f7:b8:19  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          Packets reçus:0 erreurs:0 :0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
          Interruption:22 Adresse de base:0xa000 

lo        Link encap:Boucle locale  
          inet adr:127.0.0.1  Masque:255.0.0.0
          adr inet6: ::1/128 Scope:Hôte
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          Packets reçus:2018 erreurs:0 :0 overruns:0 frame:0
          TX packets:2018 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:0 
          Octets reçus:100900 (98.5 KB) Octets transmis:100900 (98.5 KB)

wlan0     Link encap:Ethernet  HWaddr 00:14:a5:78:65:92  
          inet adr:192.168.1.10  Bcast:192.168.1.255  Masque:255.255.255.0
          adr inet6: fe80::214:a5ff:fe78:6592/64 Scope:Lien
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Packets reçus:3024 erreurs:0 :0 overruns:0 frame:0
          TX packets:3564 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 lg file transmission:1000 
          Octets reçus:3037532 (2.8 MB) Octets transmis:764187 (746.2 KB)

wmaster0  Link encap:UNSPEC  HWaddr 00-14-A5-78-65-92-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING 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)
sudo iwlist scan
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

wmaster0  Interface doesn't support scanning.

wlan0     Scan completed :
          Cell 01 - Address: 5A:09:95:CC:30:80
                    ESSID:""
                    Mode:Master
                    Channel:7
                    Frequency:2.442 GHz (Channel 7)
                    Quality=31/100  Signal level=-78 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000000b3475a695
          Cell 02 - Address: 5A:09:95:CC:30:81
                    ESSID:""
                    Mode:Master
                    Channel:7
                    Frequency:2.442 GHz (Channel 7)
                    Quality=33/100  Signal level=-77 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000000b3475aa8c
          Cell 03 - Address: 5A:09:95:CC:30:83
                    ESSID:"freephonie"
                    Mode:Master
                    Channel:7
                    Frequency:2.442 GHz (Channel 7)
                    Quality=45/100  Signal level=-65 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : 802.1x
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000000b3474246c
          Cell 04 - Address: 52:FA:2A:2C:99:48
                    ESSID:""
                    Mode:Master
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=30/100  Signal level=-80 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000029e0d415c17
          Cell 05 - Address: 52:FA:2A:2C:99:49
                    ESSID:""
                    Mode:Master
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=31/100  Signal level=-78 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000029e0d416062
          Cell 06 - Address: 00:1B:2F:66:7C:A8
                    ESSID:"NETGEAR"
                    Mode:Master
                    Channel:4
                    Frequency:2.427 GHz (Channel 4)
                    Quality=56/100  Signal level=-53 dBm  Noise level=-73 dBm
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=00000279ea6a1ccb
          Cell 07 - Address: 5A:09:95:CC:30:82
                    ESSID:""
                    Mode:Master
                    Channel:7
                    Frequency:2.442 GHz (Channel 7)
                    Quality=31/100  Signal level=-78 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000000b3475af5c
          Cell 08 - Address: A6:18:DA:F9:8A:B1
                    ESSID:""
                    Mode:Master
                    Channel:13
                    Frequency:2.472 GHz
                    Quality=41/100  Signal level=-68 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000017313f5a911
          Cell 09 - Address: 00:03:C9:8A:54:6C
                    ESSID:"Wanadoo_c29d"
                    Mode:Master
                    Channel:10
                    Frequency:2.457 GHz (Channel 10)
                    Quality=68/100  Signal level=-41 dBm  Noise level=-73 dBm
                    Encryption key:on
                    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; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    Extra:tsf=0000054840cbd6fc
          Cell 10 - Address: A6:18:DA:F9:8A:B2
                    ESSID:""
                    Mode:Master
                    Channel:13
                    Frequency:2.472 GHz
                    Quality=41/100  Signal level=-68 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000017313f5adb4
          Cell 11 - Address: A6:18:DA:F9:8A:B3
                    ESSID:"freephonie"
                    Mode:Master
                    Channel:13
                    Frequency:2.472 GHz
                    Quality=41/100  Signal level=-68 dBm  Noise level=-73 dBm
                    Encryption key:on
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (1) : TKIP
                        Authentication Suites (1) : 802.1x
                    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; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s
                    Extra:tsf=0000017313f5b284
          Cell 12 - Address: 00:16:38:97:48:D0
                    ESSID:""
                    Mode:Master
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=41/100  Signal level=-68 dBm  Noise level=-73 dBm
                    Encryption key:on
                    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; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
                    Extra:tsf=0000000b2798d188
uname -r -m
2.6.24-22-generic i686
cat /etc/network/interfaces
auto lo
iface lo inet loopback
nm-tool

NetworkManager Tool

State: connected

- Device: eth0 ----------------------------------------------------------------
  NM Path:           /org/freedesktop/NetworkManager/Devices/eth0
  Type:              Wired
  Driver:            8139too
  Active:            no
  HW Address:        00:0F:B0:F7:B8:19

  Capabilities:
    Supported:       yes
    Carrier Detect:  yes
    Speed:           10 Mb/s

  Wired Settings
    Hardware Link:   no


- Device: wlan0 ----------------------------------------------------------------
  NM Path:           /org/freedesktop/NetworkManager/Devices/wlan0
  Type:              802.11 Wireless
  Driver:            b43
  Active:            yes
  HW Address:        00:14:A5:78:65:92

  Capabilities:
    Supported:       yes
    Speed:           1 Mb/s

  Wireless Settings
    Scanning:        yes
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Networks (* = Current Network)
    freephonie:      Infrastructure Mode, Freq 2.442 MHz, Rate 62 Mb/s, Strength 38%, Encrypted (WPA Enterprise)
    NETGEAR:         Infrastructure Mode, Freq 2.427 MHz, Rate 62 Mb/s, Strength 55%, Encrypted (WEP)
    *Wanadoo_9869:   Infrastructure Mode, Freq 2.457 MHz, Rate 62 Mb/s, Strength 63%, Encrypted (WPA)
    Wanadoo_c29d:    Infrastructure Mode, Freq 2.457 MHz, Rate 62 Mb/s, Strength 68%, Encrypted (WEP)
    bird13:          Infrastructure Mode, Freq 2.472 MHz, Rate 62 Mb/s, Strength 41%, Encrypted (WPA)
    NUMERICABLE-E05E:Infrastructure Mode, Freq 2.437 MHz, Rate 62 Mb/s, Strength 23%, Encrypted (WEP)
    DartyBox_c8c7:   Infrastructure Mode, Freq 2.462 MHz, Rate 62 Mb/s, Strength 28%, Encrypted (WEP)
    SpeedTouch7808A1:Infrastructure Mode, Freq 2.412 MHz, Rate 62 Mb/s, Strength 25%, Encrypted (WEP)

  IP Settings:
    IP Address:      192.168.1.10
    Subnet Mask:     255.255.255.0
    Broadcast:       192.168.1.255
    Gateway:         192.168.1.1
    Primary DNS:     192.168.1.1
    Secondary DNS:   0.0.0.0