Habe seit heute Internet mit der FritzBox7312 über wlan.
In unregelmässigen Abständen wird die W-LAN-Verbindung unterbrochen.
Leider kann ich nicht genau feststellen, ob es an der FritzBox liegt oder am PC. Die Fritz.Box steht 5m vom PC entfernt und hat über 70% Empfang. Was kann diese Unterbrechung verursachen?
Vielen Dank im Voraus
uname -a Linux Warbird 2.6.32-41-generic #91-Ubuntu SMP Wed Jun 13 11:44:43 UTC 2012 i686 GNU/Linux lspci 00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03) 00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03) 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03) 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 1 (rev 02) 00:1c.1 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 2 (rev 02) 00:1c.2 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 3 (rev 02) 00:1c.3 PCI bridge: Intel Corporation N10/ICH 7 Family PCI Express Port 4 (rev 02) 00:1d.0 USB Controller: Intel Corporation N10/ICH7 Family USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 02) 00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 02) 00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2) 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02) 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA AHCI Controller (rev 02) 00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 02) 01:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01) 03:00.0 Ethernet controller: Atheros Communications Atheros AR8132 / L1c Gigabit Ethernet Adapter (rev c0) egrep -v "^$|^#" /etc/resolv.conf domain fritz.box search fritz.box nameserver 192.168.178.1 egrep -v "^$|^#" /etc/hosts 127.0.0.1 localhost 127.0.1.1 Warbird ::1 localhost ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts cat /etc/udev/rules.d/70-persistent-net.rules # This file maintains persistent names for network interfaces. # See udev(7) for syntax. # # Entries are automatically added by the 75-persistent-net-generator.rules # file; however you are also free to add your own entries. # PCI device 0x1969:0x1062 (atl1c) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:26:22:26:19:1e", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x14e4:0x4315 (b43-pci-bridge) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="0c:60:76:6c:41:40", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0" # USB device 0x148f:0x2870 (usb) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1f:1f:41:02:08", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan1" # PCI device 0x14e4:0x4315 (wl) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="0c:60:76:6c:41:40", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1" # USB device 0x04e8:0x04e8 (usb) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="80:00:60:0f:e8:00", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2" # USB device 0x148f:0x3070 (usb) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:c0:ca:58:4a:ab", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan2" # USB device 0x0bda:0x8187 (usb) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:c0:ca:18:10:3b", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan3" ifconfig eth0 Link encap:Ethernet Hardware Adresse 00:26:22:26:19:1e UP BROADCAST MULTICAST MTU:1500 Metrik:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) Interrupt:29 lo Link encap:Lokale Schleife inet Adresse:127.0.0.1 Maske:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metrik:1 RX packets:2735 errors:0 dropped:0 overruns:0 frame:0 TX packets:2735 errors:0 dropped:0 overruns:0 carrier:0 Kollisionen:0 Sendewarteschlangenlänge:0 RX bytes:241759 (241.7 KB) TX bytes:241759 (241.7 KB) wlan0 Link encap:Ethernet Hardware Adresse 0c:60:76:6c:41:40 inet Adresse:192.168.178.21 Bcast:192.168.178.255 Maske:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1 RX packets:191953 errors:0 dropped:0 overruns:0 frame:0 TX packets:113238 errors:0 dropped:0 overruns:0 carrier:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX bytes:281940842 (281.9 MB) TX bytes:10519358 (10.5 MB) iwconfig lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11bg ESSID:"FRITZ!Box 7312" Mode:Managed Frequency:2.447 GHz Access Point: 24:65:11:6F:7E:5C Bit Rate=36 Mb/s Tx-Power=20 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=57/70 Signal level=-53 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 iwlist chan lo no frequency information. eth0 no frequency information. wlan0 13 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 Current Frequency:2.447 GHz (Channel 8) sudo iwlist scan lo Interface doesn't support scanning. eth0 Interface doesn't support scanning. wlan0 Scan completed : Cell 01 - Address: 24:65:11:6F:7E:5C Channel:8 Frequency:2.447 GHz (Channel 8) Quality=59/70 Signal level=-51 dBm Encryption key:on ESSID:"" 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=000000018c888180 Extra: Last beacon: 124ms ago IE: Unknown: 0000 IE: Unknown: 010882848B960C121824 IE: Unknown: 030108 IE: Unknown: 050400010000 IE: Unknown: 0706444520010D14 IE: Unknown: 2A0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: 2D1AAC011BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1608001300000000000000000000000000000000000000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0A00037F04010000004000 IE: Unknown: DD270050F204104A0001101044000102104700106B80B6B105EDDF103CD42465116F7E10103C000103 Cell 02 - Address: 24:65:11:6F:7E:5C Channel:8 Frequency:2.447 GHz (Channel 8) Quality=47/70 Signal level=-63 dBm Encryption key:on ESSID:"FRITZ!Box 7312" 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 ESSID:"\x08\x00\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" Mode:Unknown/bug Extra:tsf=000000018c34cfd5 Extra: Last beacon: 5608ms ago IE: Unknown: 000E465249545A21426F782037333132 IE: Unknown: 010882848B960C121824 IE: Unknown: 030108 IE: Unknown: 0706444520010D14 IE: Unknown: 2A0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: 2D1AAC011BFFFF000000000000000000000000000000000000000000 IE: Unknown: 331AAC011BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1608001300000000000000000000000000000000000000 IE: Unknown: 341608001300000000000000000000000000000000000000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101010003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD650050F204104A0001101044000102103B000103104700106B80B6B105EDDF103CD42465116F7E101021000341564D1023000446426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800020188103C000103 Cell 03 - Address: 00:15:0C:3A:BF:2B Channel:6 Frequency:2.437 GHz (Channel 6) Quality=33/70 Signal level=-77 dBm Encryption key:on ESSID:"TerrorKanal" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 22 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=000001415f96919f Extra: Last beacon: 1692ms ago IE: Unknown: 000B546572726F724B616E616C IE: Unknown: 010582848B962C IE: Unknown: 030106 IE: Unknown: 2A0104 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32080C1218243048606C IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD0A0800280101000200FF0F Cell 04 - Address: 00:1F:3F:F6:42:05 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=41/70 Signal level=-69 dBm Encryption key:on ESSID:"FRITZ!Box Fon WLAN 7113" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=0000003fb03cc2e6 Extra: Last beacon: 4592ms ago IE: Unknown: 0017465249545A21426F7820466F6E20574C414E2037313133 IE: Unknown: 010482848B96 IE: Unknown: 030101 IE: Unknown: 2A0104 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32080C1218243048606C IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (1) : TKIP Authentication Suites (1) : PSK IE: Unknown: DD0A0800280101000200FF0F IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 cat /var/lib/NetworkManager/NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true