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#1 Le 18/01/2009, à 15:02
- Ebnj
Pas de débit wifi
Bonjour le monde!
Alors je m'explique mais avant tout je précise que je suis tout novice.
La semaine je suis dans une cité universitaire avec un réseau wifi que je ne capte pratiquement pas. Alors que sous windows mon portable à un très bon débit. Mais le week end chez moi c'est l'inverse très bon débit sous ubuntu et moyen sous windows.
Pouvez vous m'aider?
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.10
DISTRIB_CODENAME=intrepid
DISTRIB_DESCRIPTION="Ubuntu 8.10"
Bus 006 Device 003: ID 04f2:b070 Chicony Electronics Co., Ltd
Bus 006 Device 002: ID 0bda:8197 Realtek Semiconductor Corp. RTL8187B Wireless Adapter
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 003: ID 04f2:b070 Chicony Electronics Co., Ltd
Bus 006 Device 002: ID 0bda:8197 Realtek Semiconductor Corp. RTL8187B Wireless Adapter
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
ben@ben-laptop:~$ lspci
00:00.0 Host bridge: ATI Technologies Inc RS690 Host Bridge
00:01.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (Internal gfx)
00:04.0 PCI bridge: ATI Technologies Inc Device 7914
00:05.0 PCI bridge: ATI Technologies Inc RS690 PCI to PCI Bridge (PCI Express Port 1)
00:12.0 SATA controller: ATI Technologies Inc SB600 Non-Raid-5 SATA
00:13.0 USB Controller: ATI Technologies Inc SB600 USB (OHCI0)
00:13.1 USB Controller: ATI Technologies Inc SB600 USB (OHCI1)
00:13.2 USB Controller: ATI Technologies Inc SB600 USB (OHCI2)
00:13.3 USB Controller: ATI Technologies Inc SB600 USB (OHCI3)
00:13.4 USB Controller: ATI Technologies Inc SB600 USB (OHCI4)
00:13.5 USB Controller: ATI Technologies Inc SB600 USB Controller (EHCI)
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 14)
00:14.1 IDE interface: ATI Technologies Inc SB600 IDE
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
00:14.3 ISA bridge: ATI Technologies Inc SB600 PCI to LPC Bridge
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
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 RS690M [Radeon X1200 Series]
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)
*-network
description: Ethernet interface
product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: eth0
version: 02
serial: 00:1e:33:38:94:cb
size: 10MB/s
capacity: 100MB/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 autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half latency=0 link=no module=r8169 multicast=yes port=MII speed=10MB/s
*-network:0
description: Wireless interface
physical id: 1
logical name: wlan2
serial: 00:16:44:ba:95:86
capabilities: ethernet physical wireless
configuration: broadcast=yes ip=192.168.1.20 multicast=yes wireless=IEEE 802.11bg
*-network:1 DISABLED
description: Ethernet interface
physical id: 2
logical name: pan0
serial: ae:10:ce:3a:e2:39
capabilities: ethernet physical
configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes
Module Size Used by
usbhid 35840 0
hid 50560 1 usbhid
ipv6 263972 14
af_packet 25728 4
binfmt_misc 16904 1
rfcomm 44432 0
sco 18308 2
bridge 56980 0
stp 10628 1 bridge
bnep 20480 2
l2cap 30464 6 rfcomm,bnep
bluetooth 61924 6 rfcomm,sco,bnep,l2cap
ppdev 15620 0
powernow_k8 22148 1
cpufreq_powersave 9856 0
cpufreq_conservative 14600 0
cpufreq_ondemand 14988 1
cpufreq_stats 13188 0
cpufreq_userspace 11396 0
freq_table 12672 3 powernow_k8,cpufreq_ondemand,cpufreq_stats
container 11520 0
sbs 19464 0
pci_slot 12680 0
sbshc 13440 1 sbs
wmi 14504 0
iptable_filter 10752 0
ip_tables 19600 1 iptable_filter
x_tables 22916 1 ip_tables
parport_pc 39204 0
lp 17156 0
parport 42604 3 ppdev,parport_pc,lp
joydev 18368 0
arc4 9984 2
ecb 10880 2
crypto_blkcipher 25476 1 ecb
snd_hda_intel 384176 3
snd_pcm_oss 46848 0
snd_mixer_oss 22784 1 snd_pcm_oss
uvcvideo 63624 0
snd_pcm 83204 2 snd_hda_intel,snd_pcm_oss
rtl8187 53248 0
compat_ioctl32 9344 1 uvcvideo
serio_raw 13444 0
videodev 41344 1 uvcvideo
pcspkr 10624 0
v4l1_compat 22404 2 uvcvideo,videodev
snd_seq_dummy 10884 0
psmouse 45200 0
snd_seq_oss 38528 0
mac80211 216820 1 rtl8187
evdev 17696 12
snd_seq_midi 14336 0
snd_rawmidi 29824 1 snd_seq_midi
eeprom_93cx6 10240 1 rtl8187
snd_seq_midi_event 15232 2 snd_seq_oss,snd_seq_midi
snd_seq 57776 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
cfg80211 32392 2 rtl8187,mac80211
fglrx 1861644 30
snd_timer 29960 2 snd_pcm,snd_seq
video 25232 0
i2c_piix4 16144 0
snd_seq_device 15116 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
k8temp 12416 0
output 11008 1 video
battery 18436 0
button 14224 0
ac 12292 0
i2c_core 31892 1 i2c_piix4
ati_agp 14988 0
agpgart 42184 2 fglrx,ati_agp
shpchp 38036 0
pci_hotplug 34976 1 shpchp
snd 63268 15 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 15328 1 snd
snd_page_alloc 16136 2 snd_hda_intel,snd_pcm
ext3 133256 1
jbd 55828 1 ext3
mbcache 16004 1 ext3
loop 23180 2
sr_mod 22212 0
cdrom 43168 1 sr_mod
sd_mod 42392 2
crc_t10dif 9984 1 sd_mod
sg 39732 0
pata_atiixp 12800 0
pata_acpi 12160 0
ata_generic 12932 0
ehci_hcd 43788 0
ohci_hcd 32016 0
ahci 37132 1
usbcore 149360 6 usbhid,uvcvideo,rtl8187,ehci_hcd,ohci_hcd
libata 178208 4 pata_atiixp,pata_acpi,ata_generic,ahci
r8169 36100 0
mii 13440 1 r8169
scsi_mod 155212 4 sr_mod,sd_mod,sg,libata
dock 16656 1 libata
thermal 23708 0
processor 42156 2 powernow_k8,thermal
fan 12548 0
fbcon 47648 0
tileblit 10880 1 fbcon
font 16512 1 fbcon
bitblit 13824 1 fbcon
softcursor 9984 1 bitblit
fuse 60828 5
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan2 IEEE 802.11bg ESSID:"AnneMarie"
Mode:Managed Frequency:2.462 GHz Access Point: 00:17:33:78:BB:75
Bit Rate=54 Mb/s Tx-Power=27 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352 B
Power Management:off
Link Quality=56/100 Signal level:-43 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
pan0 no wireless extensions.
eth0 Link encap:Ethernet HWaddr 00:1e:33:38:94:cb
UP BROADCAST MULTICAST MTU:1500 Metric:1
Packets reçus:0 erreurs:0 :440541982 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:221 Adresse de base:0x8000
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:0 erreurs:0 :0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:0
Octets reçus:0 (0.0 B) Octets transmis:0 (0.0 B)
wlan2 Link encap:Ethernet HWaddr 00:16:44:ba:95:86
inet adr:192.168.1.20 Bcast:192.168.1.255 Masque:255.255.255.0
adr inet6: fe80::216:44ff:feba:9586/64 Scope:Lien
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Packets reçus:2601 erreurs:0 :0 overruns:0 frame:0
TX packets:2342 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 lg file transmission:1000
Octets reçus:3025758 (3.0 MB) Octets transmis:346908 (346.9 KB)
wmaster0 Link encap:UNSPEC HWaddr 00-16-44-BA-95-86-35-38-00-00-00-00-00-00-00-00
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)
lo Interface doesn't support scanning.
eth0 Interface doesn't support scanning.
wmaster0 Interface doesn't support scanning.
wlan2 Scan completed :
Cell 01 - Address: 00:17:33:78:BB:7C
ESSID:"Neuf WiFi"
Mode:Master
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=52/100 Signal level:-45 dBm
Encryption key:off
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=0000007c092b6d6d
Extra: Last beacon: 112ms ago
Cell 02 - Address: 00:17:33:78:BB:75
ESSID:"AnneMarie"
Mode:Master
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=64/100 Signal level:-39 dBm
Encryption key:off
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=0000007c092b7296
Extra: Last beacon: 112ms ago
pan0 Interface doesn't support scanning.
2.6.27-11-generic i686
auto lo
iface lo inet loopback
NetworkManager Tool
State: connected
- Device: eth0 ----------------------------------------------------------------
Type: Wired
Driver: r8169
State: unavailable
Default: no
HW Address: 00:1E:33:38:94:CB
Capabilities:
Supported: yes
Carrier Detect: yes
Speed: 10 Mb/s
Wired Settings
- Device: wlan2 ----------------------------------------------------------------
Type: 802.11 WiFi
Driver: rtl8187
State: connected
Default: yes
HW Address: 00:16:44:BA:95:86
Capabilities:
Supported: yes
Speed: 54 Mb/s
Wireless Settings
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points(* = Current AP)
*AnneMarie: Infra, 00:17:33:78:BB:75, Freq 2462 MHz, Rate 54 Mb/s, Strength 50
Neuf WiFi: Infra, 00:17:33:78:BB:7C, Freq 2462 MHz, Rate 54 Mb/s, Strength 52
IPv4 Settings:
Address: 192.168.1.20
Prefix: 24 (255.255.255.0)
Gateway: 192.168.1.1
DNS: 192.168.1.1
Pages : 1