Hallo allerseits,
leider habe ich auch das Problem: WLAN-Verbindung bricht ständig ab. Habe alle Anweisungen hier befolgt, hat aber nichts gebracht. Bin ein Ubuntu-Anfänger und habe noch nicht viel Ahnung.
Hier also die Daten:
lspci -nnk | grep -i net -A2
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07) Subsystem: Lenovo RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [17aa:383b] Kernel driver in use: r8169 Kernel modules: r8169 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821] Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814] Kernel driver in use: rtl8821ae Kernel modules: rtl8821ae
lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 0bda:0821 Realtek Semiconductor Corp. Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 001 Device 002: ID 5986:06b3 Acer, Inc 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 192.168.178.1 search fritz.box
cat /etc/hosts
127.0.0.1 localhost 127.0.1.1 theo # 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
enp1s0 Link encap:Ethernet Hardware Adresse fc:45:96:8c:65:44 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:2631 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:2631 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:226126 (226.1 KB) TX-Bytes:226126 (226.1 KB) wlp2s0 Link encap:Ethernet Hardware Adresse c8:3d:d4:97:73:d9 inet Adresse:192.168.178.20 Bcast:192.168.178.255 Maske:255.255.255.0 inet6-Adresse: fe80::ca3d:d4ff:fe97:73d9/64 Gültigkeitsbereich:Verbindung UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1 RX-Pakete:23060 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:16080 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:26232812 (26.2 MB) TX-Bytes:2257189 (2.2 MB)
iwconfig
wlp2s0 IEEE 802.11 ESSID:"FRITZ!Box 7490" Mode:Managed Frequency:2.462 GHz Access Point: E0:28:6D:1C:E5:E0 Bit Rate=72.2 Mb/s Tx-Power=20 dBm Retry short limit:7 RTS thr=2347 B Fragment thr:off Power Management:off Link Quality=70/70 Signal level=-40 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:5 Missed beacon:0 lo no wireless extensions. enp1s0 no wireless extensions.
route -n
Kernel-IP-Routentabelle Ziel Router Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.178.1 0.0.0.0 UG 0 0 0 wlp2s0 192.168.178.0 0.0.0.0 255.255.255.0 U 0 0 0 wlp2s0
lsmod
Module Size Used by hid_generic 16384 0 usbhid 53248 0 hid 118784 2 hid_generic,usbhid ccm 20480 3 rfcomm 77824 0 appletalk 36864 0 ipx 28672 0 p8023 16384 1 ipx psnap 16384 2 appletalk,ipx p8022 16384 1 ipx llc 16384 2 p8022,psnap bnep 20480 2 rtsx_usb_ms 20480 0 memstick 16384 1 rtsx_usb_ms uvcvideo 90112 0 videobuf2_vmalloc 16384 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_v4l2 24576 1 uvcvideo videobuf2_core 40960 2 uvcvideo,videobuf2_v4l2 videodev 172032 3 uvcvideo,videobuf2_core,videobuf2_v4l2 media 40960 2 uvcvideo,videodev snd_hda_codec_hdmi 49152 1 snd_hda_codec_conexant 24576 1 snd_hda_codec_generic 73728 1 snd_hda_codec_conexant snd_soc_skl 65536 0 snd_soc_skl_ipc 49152 1 snd_soc_skl snd_soc_sst_ipc 16384 1 snd_soc_skl_ipc snd_soc_sst_dsp 28672 1 snd_soc_skl_ipc snd_hda_ext_core 24576 1 snd_soc_skl snd_soc_sst_match 16384 1 snd_soc_skl snd_soc_core 233472 1 snd_soc_skl snd_compress 20480 1 snd_soc_core ac97_bus 16384 1 snd_soc_core snd_pcm_dmaengine 16384 1 snd_soc_core snd_hda_intel 36864 3 snd_hda_codec 126976 4 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec_hdmi,snd_hda_codec_generic snd_hda_core 81920 7 snd_hda_intel,snd_hda_codec_conexant,snd_hda_codec,snd_hda_ext_core,snd_soc_skl,snd_hda_codec_hdmi,snd_hda_codec_generic snd_hwdep 16384 1 snd_hda_codec intel_rapl 20480 0 x86_pkg_temp_thermal 16384 0 intel_powerclamp 16384 0 snd_pcm 102400 8 snd_hda_intel,snd_hda_codec,snd_pcm_dmaengine,snd_hda_ext_core,snd_hda_core,snd_soc_skl,snd_hda_codec_hdmi,snd_soc_core coretemp 16384 0 kvm 593920 0 irqbypass 16384 1 kvm snd_seq_midi 16384 0 crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi ghash_clmulni_intel 16384 0 pcbc 16384 0 snd_rawmidi 32768 1 snd_seq_midi snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi aesni_intel 167936 6 aes_x86_64 20480 1 aesni_intel crypto_simd 16384 1 aesni_intel snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi glue_helper 16384 1 aesni_intel snd_timer 32768 2 snd_seq,snd_pcm cryptd 24576 3 crypto_simd,ghash_clmulni_intel,aesni_intel arc4 16384 2 intel_cstate 20480 0 intel_rapl_perf 16384 0 rtl8821ae 225280 0 btcoexist 53248 1 rtl8821ae rtl_pci 28672 1 rtl8821ae rtlwifi 73728 2 rtl_pci,rtl8821ae mac80211 782336 3 rtl_pci,rtlwifi,rtl8821ae snd 77824 19 snd_compress,snd_hda_intel,snd_hwdep,snd_hda_codec_conexant,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_soc_core,snd_pcm joydev 20480 0 input_leds 16384 0 serio_raw 16384 0 soundcore 16384 1 snd cfg80211 602112 2 mac80211,rtlwifi btusb 45056 0 btrtl 16384 1 btusb btbcm 16384 1 btusb btintel 16384 1 btusb bluetooth 557056 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb shpchp 36864 0 mei_me 40960 0 mei 102400 1 mei_me intel_pch_thermal 16384 0 ideapad_laptop 28672 0 sparse_keymap 16384 1 ideapad_laptop acpi_pad 180224 0 tpm_crb 16384 0 mac_hid 16384 0 parport_pc 32768 0 ppdev 20480 0 lp 20480 0 parport 49152 3 lp,parport_pc,ppdev autofs4 40960 2 rtsx_usb_sdmmc 28672 0 rtsx_usb 20480 2 rtsx_usb_sdmmc,rtsx_usb_ms i915 1449984 104 i2c_algo_bit 16384 1 i915 drm_kms_helper 151552 1 i915 syscopyarea 16384 1 drm_kms_helper sysfillrect 16384 1 drm_kms_helper psmouse 139264 0 sysimgblt 16384 1 drm_kms_helper fb_sys_fops 16384 1 drm_kms_helper drm 352256 5 i915,drm_kms_helper r8169 81920 0 ahci 36864 2 mii 16384 1 r8169 libahci 32768 1 ahci wmi 16384 1 ideapad_laptop fjes 77824 0 video 40960 2 i915,ideapad_laptop
dmesg |grep rtl
[ 12.563609] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000a lmp_ver=06 lmp_subver=8821 [ 12.563611] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_config.bin [ 12.604007] rtl8821ae: Using firmware rtlwifi/rtl8821aefw.bin [ 12.604010] rtl8821ae: Using firmware rtlwifi/rtl8821aefw_wowlan.bin [ 12.616530] ieee80211 phy0: Selected rate control algorithm 'rtl_rc' [ 12.616761] rtlwifi: rtlwifi: wireless switch is on [ 12.652647] bluetooth hci0: Direct firmware load for rtl_bt/rtl8821a_config.bin failed with error -2 [ 12.652650] Bluetooth: hci0: Failed to load rtl_bt/rtl8821a_config.bin [ 12.652653] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_fw.bin [ 13.504035] rtl8821ae 0000:02:00.0 wlp2s0: renamed from wlan0
iwlist chan
wlp2s0 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:2.462 GHz (Channel 11) lo no frequency information. enp1s0 no frequency information.
sudo iwlist scan
wlp2s0 Scan completed : Cell 01 - Address: 04:A1:51:33:AA:42 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=44/70 Signal level=-66 dBm Encryption key:on ESSID:"UPC1354904" 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=000000390f4714a4 Extra: Last beacon: 20ms ago IE: Unknown: 000A55504331333534393034 IE: Unknown: 010882840B162430486C 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: 2D1AFE181FFFFF000001000000000000000000000000000000000000 IE: Unknown: 3D16010D0000000000000000000000000000000000000000 IE: Unknown: DD7E0050F204104A00011010440001021041000100103B000103104700102ED1D4966153327302AA10D0DC8E62F21021000D4E4554474541522C20496E632E10230008574E33303030525010240008574E3330303052501042000230311054000800060050F204000110110008574E333030305250100800020084103C000101 IE: Unknown: DD090010180200F0040000 IE: WPA Version 1 Group Cipher : TKIP Pairwise Ciphers (2) : CCMP TKIP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 Cell 02 - Address: 4C:09:D4:14:13:D3 Channel:1 Frequency:2.412 GHz (Channel 1) Quality=62/70 Signal level=-48 dBm Encryption key:on ESSID:"o2-WLAN55" 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=00000005cc858852 Extra: Last beacon: 10800ms ago IE: Unknown: 00096F322D574C414E3535 IE: Unknown: 010882848B961224486C IE: Unknown: 030101 IE: Unknown: 2A0104 IE: Unknown: 32040C183060 IE: Unknown: 2D1A6E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: 3D1601000600000000000000000000000000000000000000 IE: Unknown: 3E0100 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK Preauthentication Supported IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 0B050004087A12 IE: Unknown: 4A0E14000A002C01C800140005001900 IE: Unknown: 7F0101 IE: Unknown: DD8D0050F204104A00011010440001021041000100103B00010310470010000000000000000300004C09D41413D2102100066F3220426F781023000941525637353244505710240007312E30312E32381042000A343131333030393935351054000800060050F20400011011001B6F3220426F7820576972656C65737320526F757465722857464129100800020084 IE: Unknown: 0706444520010D10 IE: Unknown: DD1E00904C336E1017FFFF000001000000000000000000000000000000000000 IE: Unknown: DD1A00904C3401000600000000000000000000000000000000000000 Cell 03 - Address: 30:46:9A:64:50:7C Channel:6 Frequency:2.437 GHz (Channel 6) Quality=42/70 Signal level=-68 dBm Encryption key:on ESSID:"NETGEAR" 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=0000002343b8c08a Extra: Last beacon: 20ms ago IE: Unknown: 00074E455447454152 IE: Unknown: 010882840B162430486C IE: Unknown: 030106 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: DD7F0050F204104A00011010440001021041000100103B000103104700107C2CB34FC8BF0EA6FD262DEDB987C0211021000D4E4554474541522C20496E632E10230009574E5231303030763310240009574E523130303076331042000538333235381054000800060050F204000110110009574E52313030307633100800020084 IE: Unknown: DD090010180201F0050000 IE: Unknown: DD180050F2020101800003A4000027A4000042435E0062322F00 Cell 04 - Address: E0:28:6D:1C:E5:E0 Channel:11 Frequency:2.462 GHz (Channel 11) Quality=70/70 Signal level=-40 dBm Encryption key:on ESSID:"FRITZ!Box 7490" 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=000000285a15379a Extra: Last beacon: 20ms ago IE: Unknown: 000E465249545A21426F782037343930 IE: Unknown: 010882848B968C129824 IE: Unknown: 03010B IE: Unknown: 0706444520010D14 IE: Unknown: 2A0100 IE: Unknown: 3204B048606C IE: Unknown: 2D1AAD011BFFFFFF00000000000000000001000000000406E6470D00 IE: Unknown: 3D160B080400000000000000000000000000000000000000 IE: Unknown: 7F080000000000000040 IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0C00040E010102010000000000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD6F0050F204104A0001101044000102103B00010310470010446815CC700F09F03D61E0286D1CE5E01021000341564D1023000446426F78102400043030303010420004303030301054000800060050F20400011011000446426F78100800022388103C0001031049000600372A000120 Cell 05 - Address: E0:28:6D:1C:E5:E1 Channel:52 Frequency:5.26 GHz (Channel 52) Quality=56/70 Signal level=-54 dBm Encryption key:on ESSID:"FRITZ!Box 7490 5GHz" 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=00000043e2af403b Extra: Last beacon: 5588ms ago IE: Unknown: 0013465249545A21426F782037343930203547487A IE: Unknown: 01088C129824B048606C IE: Unknown: 030134 IE: Unknown: 050400010000 IE: Unknown: 073C4445202401172801172C01173001173401173801173C011740011764011E68011E6C011E70011E74011E78011E7C011E80011E84011E88011E8C011E IE: Unknown: 200103 IE: Unknown: 2D1AEF091BFFFFFF0000000000000000000100000000000000000000 IE: Unknown: 3D16340D0000000000000000000000000000000000000000 IE: Unknown: 7F080000000000000040 IE: Unknown: BF0CB2018033EAFF0000EAFF0000 IE: Unknown: C005013A00FCFF IE: Unknown: C30402D2D2D2 IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: DD0900037F01010000FF7F IE: Unknown: DD0C00040E010102010000000000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD1D0050F204104A0001101044000102103C0001031049000600372A000120 Cell 06 - Address: F4:06:8D:D1:1D:52 Channel:11 Frequency:2.462 GHz (Channel 11) Quality=70/70 Signal level=-38 dBm Encryption key:on ESSID:"FRITZ!Box 7490" 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=00000000d1ca6a39 Extra: Last beacon: 260ms ago IE: Unknown: 000E465249545A21426F782037343930 IE: Unknown: 010882848B961224486C IE: Unknown: 03010B IE: Unknown: 32040C183060 IE: Unknown: 0706534720010D14 IE: Unknown: 33082001020304050607 IE: Unknown: 33082105060708090A0B IE: Unknown: 050400010010 IE: Unknown: DD270050F204104A0001101044000102104700102880288028801880A880F4068DD11D52103C000101 IE: Unknown: 2A0104 IE: Unknown: 2D1AEE1117FFFF0000010000000000000000000000000C0000000000 IE: Unknown: 3D160B000500000000000000000000000000000000000000 IE: Unknown: 4A0E14000A002C01C800140005001900 IE: Unknown: 7F0101 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00 IE: Unknown: 0B0502000E127A IE: Unknown: DD07000C4307000000 Cell 07 - Address: 9C:80:DF:90:72:AF Channel:40 Frequency:5.2 GHz (Channel 40) Quality=37/70 Signal level=-73 dBm Encryption key:on ESSID:"WLAN-907291" 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=000000d4038ca005 Extra: Last beacon: 6680ms ago IE: Unknown: 000B574C414E2D393037323931 IE: Unknown: 01088C129824B048606C IE: Unknown: 030128 IE: Unknown: 050404050201 IE: Unknown: 070C44452024041634041664091C IE: Unknown: 200100 IE: Unknown: 2D1A6E001EFFFF000001000000000000000000000080D00000000000 IE: Unknown: 3D1628070400000000000000000000000000000000000000 IE: Unknown: DD1E00904C336E001EFFFF000001000000000000000000000080D00000000000 IE: Unknown: DD1A00904C3428070400000000000000000000000000000000000000 IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK IE: Unknown: DD180050F2020101020003A4000027A4000042435E0062322F00 IE: Unknown: DD050050F20500 IE: Unknown: DD270050F204104A000110104400010210470010000000000000000300009C80DF9072AE103C000103 IE: Unknown: DD050009860100 lo Interface doesn't support scanning. enp1s0 Interface doesn't support scanning.
Danke für jede Hilfe!