Servus liebe Community,
ich habe leider ein leidiges Problem mit meinem Wlan-Usb-Stick. Es handelt sich dabei um folgendes Modell: CSL WLAN USB Adapter (http://www.amazon.de/gp/product/B00B4TUEYI/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1). Grundsätzlich muss ich sagen, dass er sofort vom System erkannt worden ist und funktioniert. Mein Problem ist jedoch, dass a) er nicht ansatzweise dieselbe Downloadgeschwindigkeit wie unter Windows erreicht (ca. 1 Mb/s) und b) die Geschwindigkeit ab und zu mal einbricht. Ich habe dazu schon im Forum mich versucht etwas einzulesen und diesen Thread gefunden: http://forum.ubuntuusers.de/topic/csl-300-mbit-s-wlan-rtl8191su-instabil/ . Leider bin ich noch nicht so bewandert was Ubuntu betrifft, sodass ich alle Schritte nachvollziehen und durchführen könnte. Wäre klasse, wenn mir jemand helfen könnte und ein wenig Geduld aufbringen mitbringt.
Hier ein paar Angaben zu meinem System:
christoph@christoph-desktop:~$ uname -a Linux christoph-desktop 3.2.0-67-generic #101-Ubuntu SMP Tue Jul 15 17:46:11 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Hier eine Liste aller USBs:
christoph@christoph-desktop:~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 046d:0804 Logitech, Inc. Webcam C250 Bus 001 Device 004: ID 046d:c03e Logitech, Inc. Premium Optical Wheel Mouse (M-BT58) Bus 001 Device 005: ID 046d:c517 Logitech, Inc. LX710 Cordless Desktop Laser Bus 002 Device 003: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191SU 802.11n WLAN Adapter
Aktuelle Netzwerkkonfig:
christoph@christoph-desktop:~$ cat /etc/network/interfaces auto lo iface lo inet loopback christoph@christoph-desktop:~$ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 127.0.0.1 christoph@christoph-desktop:~$ cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 christoph-desktop # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters
Schnittstellenkonfiguration und Routingtabelle:
christoph@christoph-desktop:~$ ifconfig -a eth0 Link encap:Ethernet Hardware Adresse 40:61:86:93:0c:18 UP BROADCAST MULTICAST MTU:1500 Metrik:1 RX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:0 (0.0 B) TX-Bytes:0 (0.0 B) Interrupt:41 Basisadresse:0xa000 lo Link encap:Lokale Schleife inet Adresse:127.0.0.1 Maske:255.0.0.0 inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine UP LOOPBACK RUNNING MTU:16436 Metrik:1 RX-Pakete:694 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:694 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:0 RX-Bytes:66164 (66.1 KB) TX-Bytes:66164 (66.1 KB) wlan1 Link encap:Ethernet Hardware Adresse 00:87:34:1e:47:e9 inet Adresse:192.168.0.17 Bcast:192.168.0.255 Maske:255.255.255.0 inet6-Adresse: 2a02:908:e341:1580:287:34ff:fe1e:47e9/64 Gültigkeitsbereich:Global inet6-Adresse: fe80::287:34ff:fe1e:47e9/64 Gültigkeitsbereich:Verbindung inet6-Adresse: 2a02:908:e341:1580:e9da:f648:d4:8d76/64 Gültigkeitsbereich:Global UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1 RX-Pakete:3992 Fehler:0 Verloren:552 Überläufe:0 Fenster:0 TX-Pakete:3872 Fehler:0 Verloren:1 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:3418712 (3.4 MB) TX-Bytes:618911 (618.9 KB) christoph@christoph-desktop:~$ iwconfig lo no wireless extensions. wlan1 IEEE 802.11bgn ESSID:"UPC0905896" Nickname:"rtl_wifi" Mode:Managed Frequency:2.427 GHz Access Point: 8C:04:FF:F5:B1:63 Bit Rate:150 Mb/s Sensitivity:0/0 Retry:off RTS thr:off Fragment thr:off Power Management:off Link Quality=100/100 Signal level=75/100 Noise level=0/100 Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 eth0 no wireless extensions. christoph@christoph-desktop:~$ route -n Kernel-IP-Routentabelle Ziel Router Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 wlan1 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan1 192.168.0.0 0.0.0.0 255.255.255.0 U 2 0 0 wlan1
Konfiguration des NM:
christoph@christoph-desktop:~$ cat /var/lib/NetworkManager/NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true christoph@christoph-desktop:~$ cat /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile dns=dnsmasq no-auto-default=40:61:86:93:0C:18, [ifupdown] managed=false
Wie gesagt, Verbindung zum Internet besteht:
christoph@christoph-desktop:~$ ping -c 3 www.ubuntuusers.de PING ubuntuusers.DE (213.95.41.4) 56(84) bytes of data. 64 bytes from 213.95.41.4: icmp_req=1 ttl=56 time=13.8 ms 64 bytes from 213.95.41.4: icmp_req=2 ttl=56 time=12.8 ms 64 bytes from 213.95.41.4: icmp_req=3 ttl=56 time=12.3 ms --- ubuntuusers.DE ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 12.302/12.994/13.803/0.625 ms
Bezüglich rfkill list hat es mir nichts ausgespuckt. Hier noch die Treiberabfrage:
christoph@christoph-desktop:~$ lsmod Module Size Used by pci_stub 12622 1 vboxpci 23237 0 vboxnetadp 13382 0 vboxnetflt 23478 0 vboxdrv 287130 3 vboxpci,vboxnetadp,vboxnetflt parport_pc 32866 0 ppdev 17113 0 bnep 18281 2 rfcomm 47604 0 bluetooth 180113 10 bnep,rfcomm binfmt_misc 17540 1 snd_hda_codec_hdmi 32530 1 joydev 17693 0 snd_usb_audio 123020 1 snd_usbmidi_lib 29476 1 snd_usb_audio uvcvideo 72627 0 videodev 98259 1 uvcvideo r8712u 189680 0 v4l2_compat_ioctl32 17128 1 videodev snd_hda_codec_realtek 224215 1 snd_hda_intel 33719 5 snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel snd_hwdep 17764 2 snd_usb_audio,snd_hda_codec snd_pcm 97275 4 snd_hda_codec_hdmi,snd_usb_audio,snd_hda_intel,snd_hda_codec psmouse 98051 0 snd_seq_midi 13324 0 serio_raw 13211 0 snd_rawmidi 30748 2 snd_usbmidi_lib,snd_seq_midi radeon 808783 4 snd_seq_midi_event 14899 1 snd_seq_midi ttm 76949 1 radeon snd_seq 61929 2 snd_seq_midi,snd_seq_midi_event drm_kms_helper 46978 1 radeon drm 241971 6 radeon,ttm,drm_kms_helper i2c_algo_bit 13423 1 radeon snd_timer 29990 2 snd_pcm,snd_seq snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq snd 79041 24 snd_hda_codec_hdmi,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device mac_hid 13253 0 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm f71882fg 36101 0 coretemp 13554 0 mei 41616 0 lp 17799 0 parport 46562 3 parport_pc,ppdev,lp hid_logitech 26520 0 ff_memless 13097 1 hid_logitech usbhid 47238 1 hid_logitech hid 99883 2 hid_logitech,usbhid r8169 62190 0 pata_jmicron 12747 0
Und zu guter Letzt noch ein paar Infos hinsichtlich WLAN-Karte und Empfang:
hristoph@christoph-desktop:~$ iwlist chan lo no frequency information. wlan1 14 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz Channel 14 : 2.484 GHz Current Frequency:2.427 GHz (Channel 4) eth0 no frequency information. christoph@christoph-desktop:~$ sudo iwlist scan [sudo] password for christoph: lo Interface doesn't support scanning. wlan1 Scan completed : Cell 01 - Address: 8C:04:FF:F5:B1:63 ESSID:"UPC0905896" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.427 GHz (Channel 4) 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:wpa_ie=dd1c0050f20101000050f20202000050f2040050f20201000050f2020c00 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020c00 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Signal level=100/100 Cell 02 - Address: C0:25:06:04:54:79 ESSID:"WLAN-44FB00" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.412 GHz (Channel 1) Encryption key:on Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s 11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s 48 Mb/s; 54 Mb/s Extra:wpa_ie=dd160050f20101000050f20201000050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30140100000fac020100000fac040100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Signal level=42/100 Cell 03 - Address: A0:F3:C1:DF:9A:2D ESSID:"AutismusAIR" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.432 GHz (Channel 5) Encryption key:on 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:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD970050F204104A0001101044000102103B00010310470010000102030405060708090A0B0C0D0E0F1021000754502D4C494E4B10230009544C2D57413830314E10240003322E3010420003312E301054000800060050F204000110110017576972656C657373204E20415020544C2D57413830314E100800020086103C000101104900140024E26002000101600000020001600100020001 Signal level=74/100 Cell 04 - Address: C8:BE:19:64:7D:67 ESSID:"Southmanjoker" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.437 GHz (Channel 6) Encryption key:on 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:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F204104A00011010440001021049000600372A000120 Signal level=43/100 Cell 05 - Address: BC:F6:85:C5:D0:50 ESSID:"nauheimcity" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.437 GHz (Channel 6) Encryption key:on 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; 6 Mb/s; 12 Mb/s 24 Mb/s; 48 Mb/s Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD130050F204104A00011010440001021041000100 Signal level=76/100 Cell 06 - Address: 9C:C7:A6:21:CF:6C ESSID:"FRITZ!Box Fon WLAN 7270" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.457 GHz (Channel 10) Encryption key:on 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:wpa_ie=dd160050f20101000050f20201000050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30140100000fac020100000fac040100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD0E0050F204104A0001101044000102 Signal level=43/100 Cell 07 - Address: 00:18:4D:19:AA:C8 ESSID:"Mojo" Protocol:IEEE 802.11bg Mode:Master Frequency:2.462 GHz (Channel 11) Encryption key:on 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; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Extra:wpa_ie=dd160050f20101000050f20201000050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK Signal level=42/100 Cell 08 - Address: 84:1B:5E:D3:E9:BA ESSID:"AmstafF" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.462 GHz (Channel 11) 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:rsn_ie=30140100000fac040100000fac040100000fac020c00 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD7F0050F204104A00011010440001021041000100103B0001031047001033C1FD227B63E4887BD60157FE6855A81021000D4E4554474541522C20496E632E10230009574E5231303030763310240009574E523130303076331042000538333235381054000800060050F204000110110009574E52313030307633100800020084 Signal level=7/100 Cell 09 - Address: 5C:D9:98:2C:D8:92 ESSID:"77349q23" Protocol:IEEE 802.11bgn Mode:Master Frequency:2.467 GHz (Channel 12) Encryption key:on 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; 6 Mb/s; 12 Mb/s 24 Mb/s; 48 Mb/s Extra:wpa_ie=dd1a0050f20101000050f20202000050f2040050f20201000050f202 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK Extra:rsn_ie=30180100000fac020200000fac04000fac020100000fac020000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD130050F204104A00011010440001021041000100 Signal level=7/100 eth0 Interface doesn't support scanning.
Ich habe bereits den Channel von Automatisch auf Channel 4 im Router geändert aber leider hat dies keine Besserung bewirkt.
Anmerken möchte ich auch, dass ich versucht habe den mitgelieferten Treiber über das Compiling-Script zu installieren. Leider hat er mir 2 Fehler ausgespuckt und danach war bei mir auch Sense.
Für jede Hilfe bin ich mehr als dankbar.
Beste Grüße
Christoph