Hallo,
ich habe ubuntu 14.4 lts installiert und mein WLAN funktioniert sehr instabil. D.h.ich werde entweder rausgeworfen oder komme gar nicht rein. Es hilft jedoch, den WLAN-Router aus- und wieder einzuschalten. Dann geht es eine Zeit lang wieder. Im Gleichen WLAN funktionieren andere Geräte problemlos.
Ich bin im IT-Bereich ziemlich doof und bitte deshalb um Hilfe. Was könnte ich machen?
Wie ist das Netzwerk aufgebaut? Ein Modem und ein WLAN-Router
Welche Geräte werden verwendet? Modem: Cisco, Router: D-Link
Von welchem Hersteller? Wie lautet der genaue Gerätename und die Version? Laptop Dell Vostro15 3000Series
Wie und wo sind die Geräte angeschlossen? WLAN
Welcher Internetanbieter? Unitymedia
Ist der Chipsatz der Netzwerk-Hardware bekannt? nein
Wird das Netzwerkgerät von anderen Geräten erkannt? Switches, Router und einige DSL-Modems signalisieren mit einer LED, ob am anderen Ende eine Verbindung besteht. Ja
uname -a Linux alex-Vostro-3558 3.19.0-43-generic #49~14.04.1-Ubuntu SMP Thu Dec 31 15:44:49 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
lspci -nnk | grep -i net -A2''' 06:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83) Subsystem: Intel Corporation Dual Band Wireless AC 3160 [8086:8470] Kernel driver in use: iwlwifi 07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c) Subsystem: Dell Device [1028:06c0] Kernel driver in use: r8169
pccardctl info alex@alex-Vostro-3558:~$ pccardctl info alex@alex-Vostro-3558:~$
lsusb Bus 003 Device 002: ID 8087:8000 Intel Corp. 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 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 001 Device 004: ID 8087:07dc Intel Corp. Bus 001 Device 003: ID 0bda:5683 Realtek Semiconductor Corp. Bus 001 Device 007: ID 0781:5580 SanDisk Corp. SDCZ80 Flash Drive Bus 001 Device 002: ID 0461:4d0f Primax Electronics, Ltd HP Optical Mouse Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback
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 127.0.1.1
cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 alex-Vostro-3558 # 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
ifconfig -a eth0 Link encap:Ethernet Hardware Adresse f8:ca:b8:02:99:59 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) 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:65536 Metrik:1 RX-Pakete:1655 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:1655 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:0 RX-Bytes:148058 (148.0 KB) TX-Bytes:148058 (148.0 KB) wlan0 Link encap:Ethernet Hardware Adresse 78:0c:b8:49:0e:71 inet Adresse:192.168.0.103 Bcast:192.168.0.255 Maske:255.255.255.0 inet6-Adresse: fe80::7a0c:b8ff:fe49:e71/64 Gültigkeitsbereich:Verbindung UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1 RX-Pakete:8107 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:7093 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:4955489 (4.9 MB) TX-Bytes:1129275 (1.1 MB)
iwconfig eth0 no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"dlink" Mode:Managed Frequency:2.437 GHz Access Point: C8:D3:A3:53:0E:32 Bit Rate=2 Mb/s Tx-Power=22 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=69/70 Signal level=-41 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:2 Missed beacon:0 lo no wireless extensions.
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 wlan0 192.168.0.0 0.0.0.0 255.255.255.0 U 9 0 0 wlan0 alex@alex-Vostro-3558:~$
arp -av ? (192.168.0.1) auf c8:d3:a3:53:0e:32 [ether] auf wlan0 Einträge: 1 Ignoriert: 0 Gefunden: 1 alex@alex-Vostro-3558:~$
ip neigh show 192.168.0.1 dev wlan0 lladdr c8:d3:a3:53:0e:32 REACHABLE
cat /var/lib/NetworkManager/NetworkManager.state [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true
cat /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=false
cat /etc/NetworkManager/NetworkManager.conf [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=false
cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3 # PCI device 0x10ec:0x8168 (r8169) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="f8:ca:b8:02:99:59", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x8086:0x08b3 (iwlwifi) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="78:0c:b8:49:0e:71", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0"
ping -c 2 $(route -n | grep UG | awk {'print $2'}) PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data. 64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=3.60 ms 64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=3.47 ms --- 192.168.0.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 3.479/3.540/3.601/0.061 ms
ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data. 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=1 ttl=54 time=24.6 ms 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=2 ttl=54 time=24.5 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 24.538/24.618/24.698/0.080 ms
ping -c 2 213.95.41.4 PING 213.95.41.4 (213.95.41.4) 56(84) bytes of data. 64 bytes from 213.95.41.4: icmp_seq=1 ttl=54 time=25.7 ms 64 bytes from 213.95.41.4: icmp_seq=2 ttl=54 time=25.7 ms --- 213.95.41.4 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 25.710/25.724/25.738/0.014 ms
rfkill list 0: hci0: Bluetooth Soft blocked: no Hard blocked: no 1: phy0: Wireless LAN Soft blocked: no Hard blocked: no
lsmod Module Size Used by ctr 16384 1 ccm 20480 1 nls_iso8859_1 16384 1 uas 24576 0 usb_storage 69632 2 uas bnep 20480 2 rfcomm 69632 8 arc4 16384 2 uvcvideo 90112 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_core 53248 1 uvcvideo rtsx_usb_ms 20480 0 v4l2_common 16384 1 videobuf2_core rtsx_usb_sdmmc 28672 0 memstick 20480 1 rtsx_usb_ms videodev 159744 3 uvcvideo,v4l2_common,videobuf2_core rtsx_usb 24576 2 rtsx_usb_sdmmc,rtsx_usb_ms media 24576 2 uvcvideo,videodev iwlmvm 278528 0 mac80211 708608 1 iwlmvm dell_led 16384 1 snd_hda_codec_realtek 81920 1 snd_hda_codec_generic 69632 1 snd_hda_codec_realtek snd_hda_codec_hdmi 53248 1 dell_wmi 16384 0 sparse_keymap 16384 1 dell_wmi intel_rapl 20480 0 iosf_mbi 16384 1 intel_rapl x86_pkg_temp_thermal 16384 0 dell_laptop 16384 0 intel_powerclamp 20480 0 coretemp 16384 0 dcdbas 16384 1 dell_laptop kvm_intel 151552 0 kvm 479232 1 kvm_intel i8k 16384 0 snd_soc_rt5640 94208 0 snd_soc_rl6231 16384 1 snd_soc_rt5640 snd_soc_core 196608 1 snd_soc_rt5640 crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 snd_compress 20480 1 snd_soc_core snd_pcm_dmaengine 16384 1 snd_soc_core aesni_intel 172032 3 aes_x86_64 20480 1 aesni_intel lrw 16384 1 aesni_intel gf128mul 16384 1 lrw snd_hda_intel 36864 6 snd_hda_codec_hdmi glue_helper 16384 1 aesni_intel snd_hda_controller 32768 1 snd_hda_intel ablk_helper 16384 1 aesni_intel cryptd 20480 2 aesni_intel,ablk_helper snd_hda_codec 143360 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller snd_hwdep 20480 1 snd_hda_codec snd_pcm 106496 7 snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller,snd_pcm_dmaengine snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi i915 1048576 4 joydev 20480 0 snd_rawmidi 32768 1 snd_seq_midi serio_raw 16384 0 iwlwifi 188416 1 iwlmvm snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi drm_kms_helper 126976 1 i915 btusb 40960 0 cfg80211 524288 3 iwlwifi,mac80211,iwlmvm snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi mei_me 20480 0 drm 344064 5 i915,drm_kms_helper lpc_ich 24576 0 bluetooth 491520 22 bnep,btusb,rfcomm mei 90112 1 mei_me snd_timer 32768 2 snd_pcm,snd_seq i2c_algo_bit 16384 1 i915 shpchp 40960 0 snd 86016 23 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_compress wmi 20480 2 dell_led,dell_wmi i2c_hid 20480 0 snd_soc_sst_acpi 16384 0 soundcore 16384 2 snd,snd_hda_codec dw_dmac 16384 0 dw_dmac_core 24576 1 dw_dmac video 20480 1 i915 i2c_designware_platform 16384 0 8250_dw 16384 0 i2c_designware_core 16384 1 i2c_designware_platform spi_pxa2xx_platform 24576 0 mac_hid 16384 0 acpi_pad 20480 0 dell_rbtn 16384 0 parport_pc 32768 0 ppdev 20480 0 lp 20480 0 parport 45056 3 lp,ppdev,parport_pc hid_generic 16384 0 usbhid 53248 0 hid 110592 3 i2c_hid,hid_generic,usbhid ahci 36864 2 r8169 81920 0 psmouse 114688 0 libahci 32768 1 ahci mii 16384 1 r8169 sdhci_acpi 16384 0 sdhci 45056 1 sdhci_acpi
iwlist chan eth0 no frequency information. wlan0 32 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 36 : 5.18 GHz Channel 40 : 5.2 GHz Channel 44 : 5.22 GHz Channel 48 : 5.24 GHz Channel 52 : 5.26 GHz Channel 56 : 5.28 GHz Channel 60 : 5.3 GHz Channel 64 : 5.32 GHz Channel 100 : 5.5 GHz Channel 104 : 5.52 GHz Channel 108 : 5.54 GHz Channel 112 : 5.56 GHz Channel 116 : 5.58 GHz Channel 120 : 5.6 GHz Channel 124 : 5.62 GHz Channel 128 : 5.64 GHz Channel 132 : 5.66 GHz Channel 136 : 5.68 GHz Channel 140 : 5.7 GHz Current Frequency:2.437 GHz (Channel 6) lo no frequency information.
sudo iwlist scan [sudo] password for alex: eth0 Interface doesn't support scanning. wlan0 Scan completed : Cell 01 - Address: C8:D3:A3:53:0E:32 Channel:6 Frequency:2.437 GHz (Channel 6) Quality=70/70 Signal level=-37 dBm Encryption key:on ESSID:"dlink" 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=00000000a7149ebe Extra: Last beacon: 36ms ago IE: Unknown: 0005646C696E6B IE: Unknown: 010882848B961224486C IE: Unknown: 030106 IE: Unknown: 2A0104 IE: Unknown: 32040C183060 IE: Unknown: 2D1A6E1117FF000000010000000000000000000000000C0000000000 IE: Unknown: 3D1606000400000000000000000000000000000000000000 IE: Unknown: 3E0100 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 IE: Unknown: 0B05010008127A IE: Unknown: 4A0E14000A002C01C800140005001900 IE: Unknown: 7F0101 IE: Unknown: DD07000C4307000000 IE: Unknown: 0706474220010D10 IE: Unknown: DD050050F20500 IE: Unknown: DD750050F204104A00011010440001021041000100103B00010310470010CAB6B55A0BCE89CBB235C8D3A3530E3310210006442D4C696E6B102300074449522D363030102400074449522D3630301042000830303030303030301054000800060050F2040001101100074449522D363030100800020080 Cell 02 - Address: 8C:04:FF:F5:E3:A6 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=22/70 Signal level=-88 dBm Encryption key:on ESSID:"UPC0912998" 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=00000000dd2ebb22 Extra: Last beacon: 36ms ago IE: Unknown: 000A55504330393132393938 IE: Unknown: 010882848B962430486C IE: Unknown: 030101 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: 0B0501000C0000 IE: Unknown: 2D1A3C191BFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D1601080400000000000000000000000000000000000000 IE: Unknown: 7F080400080000000040 IE: Unknown: DD090010180201000C0000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 IE: Unknown: 46057200010000 Cell 03 - Address: 00:23:08:13:5A:73 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=18/70 Signal level=-92 dBm Encryption key:on ESSID:"WLAN-135A49" 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=0000056293dcf15b Extra: Last beacon: 3488ms ago IE: Unknown: 000B574C414E2D313335413439 IE: Unknown: 010882848B961224486C IE: Unknown: 030101 IE: Unknown: 32040C183060 IE: Unknown: 0706444520010D10 IE: Unknown: 33082001020304050607 IE: Unknown: 33082105060708090A0B IE: Unknown: DD0E0050F204104A0001101044000102 IE: Unknown: 050400010000 IE: Unknown: 2A0104 IE: Unknown: 2D1AEE1117FFFF0000010000000000000000000000000C0000000000 IE: Unknown: 3D1601050600000000000000000000000000000000000000 IE: Unknown: 7F0101 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : TKIP CCMP Authentication Suites (1) : PSK IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : TKIP CCMP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: DD1E00904C33EE1117FFFF0000010000000000000000000000000C0000000000 IE: Unknown: DD1A00904C3401050600000000000000000000000000000000000000 Cell 04 - Address: 88:03:55:85:F6:BB Channel:11 Frequency:2.462 GHz (Channel 11) Quality=25/70 Signal level=-85 dBm Encryption key:on ESSID:"WLAN-880155" 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=000001ac154b64f8 Extra: Last beacon: 36ms ago IE: Unknown: 000B574C414E2D383830313535 IE: Unknown: 010882848B962430486C IE: Unknown: 03010B IE: Unknown: 0706444520010D14 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: 2D1ABC191FFFFF000000000000000000000000000000000000000000 IE: Unknown: 3D160B081500000000000000000000000000000000000000 IE: Unknown: 7F080400000000000040 IE: Unknown: DD740050F204104A0001101044000102103B00010310470010355201EE4BA749DDD1F3BAA73614315210210008415243414459414E10230005445437323410240003312E30104200033838381054000800060050F2040001101100054454373234100800020000103C0001031049000600372A000120 IE: Unknown: DD090010180203000C0000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 IE: Unknown: 46057208010000 Cell 05 - Address: 0E:96:D7:A4:FE:99 Channel:11 Frequency:2.462 GHz (Channel 11) Quality=21/70 Signal level=-89 dBm Encryption key:on ESSID:"FRITZ!Box 6490 Cable" 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=00000006ea7534cb Extra: Last beacon: 36ms ago IE: Unknown: 0014465249545A21426F782036343930204361626C65 IE: Unknown: 010882848B960C121824 IE: Unknown: 03010B IE: Unknown: 0706444520010D14 IE: Unknown: 2A0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32043048606C IE: Unknown: 2D1AAD011BFFFF0000000000000000000000000000000406E6E70D00 IE: Unknown: 331AAD011BFFFF0000000000000000000000000000000406E6E70D00 IE: Unknown: 3D160B080400000000000000000000000000000000000000 IE: Unknown: 34160B080400000000000000000000000000000000000000 IE: Unknown: DD180050F2020101030003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F lo Interface doesn't support scanning.
Bearbeitet von Developer92:
Ordentlich Syntax gefixt. Bitte führe dir mal unsere Syntax zu Gemüte, danke.