Hallo,
mein Laptop hat unter Ubuntu massive Probleme mit der Internetverbindung und bricht entweder die Verbindung ab oder läuft extrem langsam. Auf dem gleichen Rechner läuft mit Windows das Internet normal. Ich habe schon im Forum gesucht und darauf hin das Powermanagement deaktiviert, dies half einmal bis zum Neustart, seit dem ist das Powermanagement aus, aber es geht trotzdem nicht richtig.
Der Router ist ein Speedport W 724 V mit 50 Mbit-Leitung.
Verwendete Kernelversion
1 2 | dominik@dominik-HP-250-G4:~$ uname -a Linux dominik-HP-250-G4 4.15.0-43-generic #46-Ubuntu SMP Thu Dec 6 14:45:28 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
Abfrage für PCI-Karten
1 2 3 4 5 6 7 8 | dominik@dominik-HP-250-G4:~$ lspci -nnk | grep -i net -A2 07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07) Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:80c1] Kernel driver in use: r8169 Kernel modules: r8169 0d:00.0 Network controller [0280]: Broadcom Limited BCM43142 802.11b/g/n [14e4:4365] (rev 01) Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:804a] Kernel driver in use: wl |
Aktuelle Netzwerkkonfiguration
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | dominik@dominik-HP-250-G4:~$ cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback dominik@dominik-HP-250-G4:~$ ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: enp7s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000 link/ether 94:57:a5:b2:42:da brd ff:ff:ff:ff:ff:ff 3: wlp13s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DORMANT group default qlen 1000 link/ether d8:5d:e2:bc:39:29 brd ff:ff:ff:ff:ff:ff dominik@dominik-HP-250-G4:~$ ip -4 addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 3: wlp13s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 inet 192.168.2.103/24 brd 192.168.2.255 scope global dynamic noprefixroute wlp13s0 valid_lft 1812455sec preferred_lft 1812455sec dominik@dominik-HP-250-G4:~$ ip -4 route default via 192.168.2.1 dev wlp13s0 proto dhcp metric 600 169.254.0.0/16 dev wlp13s0 scope link metric 1000 192.168.2.0/24 dev wlp13s0 proto kernel scope link src 192.168.2.103 metric 600 dominik@dominik-HP-250-G4:~$ ip -4 neigh 192.168.2.1 dev wlp13s0 lladdr 4c:09:d4:53:26:56 REACHABLE |
iwconfig
1 2 3 4 5 6 7 8 9 | dominik@dominik-HP-250-G4:~$ iwconfig wlp13s0 IEEE 802.11 ESSID:"WLAN-547605" Mode:Managed Frequency:2.437 GHz Access Point: 4C:09:D4:53:26:59 Retry short limit:7 RTS thr:off Fragment thr:off Power Management:off enp7s0 no wireless extensions. lo no wireless extensions. |
Konfiguration des NetworkManagers
1 2 3 4 5 6 7 8 9 10 | dominik@dominik-HP-250-G4:~$ nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN verbunden vollständig aktiviert aktiviert aktiviert aktiviert DEVICE TYPE STATE CONNECTION wlp13s0 wifi verbunden WLAN-547605 enp7s0 ethernet nicht verfügbar -- lo loopback nicht verwaltet -- NAME UUID TYPE DEVICE WLAN-547605 0afaf99e-c1b4-4a2f-a3f6-7892acbe5012 wifi wlp13s0 AndroidAP 18a92304-f5c7-43b3-a422-c55f2f3370e4 wifi -- |
Ping
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | dominik@dominik-HP-250-G4:~$ ping -c 2 $(ip -4 route show default | grep -o '[0-9]*[.][.0-9]*' ) PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_seq=1 ttl=64 time=14.1 ms 64 bytes from 192.168.2.1: icmp_seq=2 ttl=64 time=177 ms --- 192.168.2.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 14.107/95.682/177.257/81.575 ms dominik@dominik-HP-250-G4:~$ 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=56 time=32.1 ms --- 213.95.41.4 ping statistics --- 2 packets transmitted, 1 received, 50% packet loss, time 1001ms rtt min/avg/max/mdev = 32.160/32.160/32.160/0.000 ms dominik@dominik-HP-250-G4:~$ 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=56 time=31.9 ms 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=2 ttl=56 time=196 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 31.925/114.038/196.151/82.113 ms |
wenige Sekunden später sah es so aus
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | dominik@dominik-HP-250-G4:~$ ping -c 2 $(ip -4 route show default | grep -o '[0-9]*[.][.0-9]*' ) PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_seq=2 ttl=64 time=1.34 ms --- 192.168.2.1 ping statistics --- 2 packets transmitted, 1 received, 50% packet loss, time 1025ms rtt min/avg/max/mdev = 1.344/1.344/1.344/0.000 ms dominik@dominik-HP-250-G4:~$ 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=2 ttl=56 time=32.4 ms --- 213.95.41.4 ping statistics --- 2 packets transmitted, 1 received, 50% packet loss, time 1004ms rtt min/avg/max/mdev = 32.446/32.446/32.446/0.000 ms dominik@dominik-HP-250-G4:~$ ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data. --- ubuntuusers.de ping statistics --- 2 packets transmitted, 0 received, 100% packet loss, time 1011ms |
Zustand der Schalter (rfkill)
1 2 3 4 5 6 7 8 9 10 | dominik@dominik-HP-250-G4:~$ rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: yes Hard blocked: no |
geladene Kernelmodule
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | dominik@dominik-HP-250-G4:~$ lsmod Module Size Used by rfcomm 77824 16 bnep 20480 2 binfmt_misc 20480 1 nls_iso8859_1 16384 1 snd_hda_codec_realtek 106496 1 uvcvideo 86016 0 intel_rapl 20480 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc btusb 45056 0 snd_hda_codec_hdmi 49152 1 snd_hda_codec_generic 73728 1 snd_hda_codec_realtek videobuf2_v4l2 24576 1 uvcvideo x86_pkg_temp_thermal 16384 0 btrtl 16384 1 btusb btbcm 16384 1 btusb btintel 16384 1 btusb videobuf2_core 40960 2 videobuf2_v4l2,uvcvideo intel_powerclamp 16384 0 snd_hda_intel 40960 4 videodev 184320 3 videobuf2_core,videobuf2_v4l2,uvcvideo bluetooth 548864 43 btrtl,btintel,btbcm,bnep,btusb,rfcomm ecdh_generic 24576 1 bluetooth snd_hda_codec 126976 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek media 40960 2 videodev,uvcvideo coretemp 16384 0 snd_hda_core 81920 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek kvm 598016 0 wl 6447104 0 irqbypass 16384 1 kvm crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 ghash_clmulni_intel 16384 0 cryptd 24576 1 ghash_clmulni_intel snd_hwdep 20480 1 snd_hda_codec snd_pcm 98304 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core cfg80211 622592 1 wl snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 32768 1 snd_seq_midi intel_cstate 20480 0 intel_rapl_perf 16384 0 joydev 24576 0 input_leds 16384 0 serio_raw 16384 0 snd_seq 65536 2 snd_seq_midi,snd_seq_midi_event snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi wmi_bmof 16384 0 hp_wmi 16384 0 sparse_keymap 16384 1 hp_wmi snd_timer 32768 2 snd_seq,snd_pcm hp_wireless 16384 0 shpchp 36864 0 snd 81920 19 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi processor_thermal_device 16384 0 int340x_thermal_zone 16384 1 processor_thermal_device int3400_thermal 16384 0 lpc_ich 24576 0 intel_soc_dts_iosf 16384 1 processor_thermal_device acpi_thermal_rel 16384 1 int3400_thermal acpi_pad 180224 0 soundcore 16384 1 snd mei_me 40960 0 mei 90112 1 mei_me intel_pch_thermal 16384 0 mac_hid 16384 0 sch_fq_codel 20480 3 parport_pc 36864 0 ppdev 20480 0 lp 20480 0 parport 49152 3 parport_pc,lp,ppdev ip_tables 28672 0 x_tables 40960 1 ip_tables autofs4 40960 2 hid_generic 16384 0 usbhid 49152 0 i915 1617920 25 i2c_algo_bit 16384 1 i915 drm_kms_helper 172032 1 i915 syscopyarea 16384 1 drm_kms_helper sysfillrect 16384 1 drm_kms_helper sysimgblt 16384 1 drm_kms_helper fb_sys_fops 16384 1 drm_kms_helper r8169 86016 0 i2c_i801 28672 0 drm 401408 13 drm_kms_helper,i915 ahci 36864 3 psmouse 147456 0 libahci 32768 1 ahci mii 16384 1 r8169 wmi 24576 2 hp_wmi,wmi_bmof i2c_hid 20480 0 hid 118784 3 i2c_hid,usbhid,hid_generic video 45056 1 i915 |
Abfrage der unterstützten Funkkanäle (hatte ich am Router auch schonmal geändert, brachte nichts)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | dominik@dominik-HP-250-G4:~$ iwlist chan wlp13s0 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 34 : 5.17 GHz Channel 36 : 5.18 GHz Channel 38 : 5.19 GHz Channel 40 : 5.2 GHz Channel 42 : 5.21 GHz Channel 44 : 5.22 GHz Channel 46 : 5.23 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 Current Frequency:2.437 GHz (Channel 6) enp7s0 no frequency information. lo no frequency information. |
Manueller Scan der WLAN-Umgebung
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | dominik@dominik-HP-250-G4:~$ sudo iwlist scan [sudo] Passwort für dominik: wlp13s0 Scan completed : '''Cell 01''' - Address: 4C:09:D4:53:26:59 Channel:6 Frequency:2.437 GHz (Channel 6) Quality=64/70 Signal level=-46 dBm Encryption key:on ESSID:"WLAN-547605" 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=0000000000000000 Extra: Last beacon: 24ms ago IE: Unknown: 000B574C414E2D353437363035 IE: Unknown: 010882848B962430486C IE: Unknown: 030106 IE: Unknown: 0706444520010D16 IE: Unknown: 2A0100 IE: Unknown: 2F0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32040C121860 IE: Unknown: 2D1AFE191FFFFF000001000000000000000000000000000000000000 IE: Unknown: 3D16060F1600000000000000000000000000000000000000 IE: Unknown: 4A0E14000A002C01C800140005001900 IE: Unknown: 7F080500000000000040 IE: Unknown: DD740050F204104A0001101044000102103B0001031047001032779847C7D77E2A6779112C8482D56A10210008415243414459414E10230005445437323410240003312E30104200033838381054000800060050F2040001101100054454373234100800020000103C0001011049000600372A000120 IE: Unknown: DD090010180203000C0000 IE: Unknown: DD180050F20201018C0003A4000027A4000042435E0062322F00 IE: Unknown: 46057208010000 Cell 02 - Address: 5C:DC:96:1E:38:ED Channel:10 Frequency:2.457 GHz (Channel 10) Quality=32/70 Signal level=-78 dBm Encryption key:on ESSID:"o2-WLAN89" Bit Rates:9 Mb/s; 18 Mb/s; 36 Mb/s; 54 Mb/s; 1 Mb/s 2 Mb/s; 5.5 Mb/s; 11 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=0000000000000000 Extra: Last beacon: 24ms ago IE: Unknown: 00096F322D574C414E3839 IE: Unknown: 01081224486C82848B96 IE: Unknown: 03010A IE: Unknown: 050401050000 IE: Unknown: 0706444520010D14 IE: Unknown: 200100 IE: Unknown: 2A0100 IE: Unknown: 2D1A2C001EFFFF000000000000000000000000000000000000000000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32040C183060 IE: Unknown: 3D160A000400000000000000000000000000000000000000 IE: Unknown: 480100 IE: Unknown: 4A0E14000A002C01C800140005001027 IE: Unknown: 7F0101 IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 IE: Unknown: DD050009860000 IE: Unknown: DD1D0050F204104A0001101044000102103C0001031049000600372A000120 Cell 03 - Address: A8:D3:F7:67:7E:67 Channel:10 Frequency:2.457 GHz (Channel 10) Quality=27/70 Signal level=-83 dBm Encryption key:on ESSID:"o2-WLAN98" Bit Rates:9 Mb/s; 18 Mb/s; 36 Mb/s; 54 Mb/s; 1 Mb/s 2 Mb/s; 5.5 Mb/s; 11 Mb/s Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s Mode:Master Extra:tsf=0000000000000000 Extra: Last beacon: 24ms ago IE: Unknown: 00096F322D574C414E3938 IE: Unknown: 01081224486C82848B96 IE: Unknown: 03010A IE: Unknown: 050400050000 IE: Unknown: 0706444520010D14 IE: Unknown: 200100 IE: Unknown: 2A0100 IE: Unknown: 2D1A2C001EFFFF000000000000000000000000000000000000000000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: 32040C183060 IE: Unknown: 3D160A000400000000000000000000000000000000000000 IE: Unknown: 480100 IE: Unknown: 4A0E14000A002C01C800140005001027 IE: Unknown: 7F0101 IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 IE: Unknown: DD050009860000 IE: Unknown: DD1D0050F204104A0001101044000102103C0001031049000600372A000120 enp7s0 Interface doesn't support scanning. lo Interface doesn't support scanning. |
Wer weiß Rat?