Hallo, bei dem Versuch VPN für einen externen Anbieter zu konfigurieren ist einiges schief gegangen. Habe dann versucht das ganze rückgängig zu machen. Das scheint gründlich daneben gegangen zu sein, denn seitdem funktioniert die Wlan-Verbindung so gut wie gar nicht mehr. Weder im lokalen Netz noch ins Internet. Sie ist so langsam, dass es bei Zugriffen auf das Internet ständig zu timeouts kommt. Um das Forum hier zu erreichen habe ich fast 20 Minuten gebraucht. Mit anderen Rechnern funktioniert das Netz einwandfrei. Es kann also nur an diesem Notebook liegen. Ich wäre dankbar, wenn mir jemand helfen könnte das wieder hinzukriegen! Im Anschluss die Daten von denen ich ausgehe, dass sie zur Analyse beitragen können. Sollte was fehlen liefere ich das gerne nach. Grüße, Klaus
$ uname -a Linux Asus 6.5.0-28-generic #29~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Apr 4 14:39:20 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
$ lspci -nnk -d::0280 01:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821] DeviceName: WLAN Subsystem: AzureWave RTL8821CE 802.11ac PCIe Wireless Network Adapter [1a3b:3040] Kernel driver in use: rtw_8821ce Kernel modules: rtw88_8821ce
$ 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: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DORMANT group default qlen 1000 link/ether e8:fb:1c:53:1a:0b brd ff:ff:ff:ff:ff:ff altname wlp1s0 3: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/none 5: netmaker: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/none
$ ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether e8:fb:1c:53:1a:0b brd ff:ff:ff:ff:ff:ff altname wlp1s0 inet 192.168.1.38/24 brd 192.168.1.255 scope global dynamic noprefixroute wlo1 valid_lft 59576sec preferred_lft 59576sec inet6 fe80::8fbe:c1a1:a273:b5d5/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none inet 10.8.0.2/24 brd 10.8.0.255 scope global noprefixroute wg0 valid_lft forever preferred_lft forever 5: netmaker: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none
$ ip -4 route default via 192.168.1.1 dev wlo1 proto dhcp metric 600 10.8.0.0/24 dev wg0 proto kernel scope link src 10.8.0.2 metric 50 169.254.0.0/16 dev wg0 scope link metric 1000 192.168.1.0/24 dev wlo1 proto kernel scope link src 192.168.1.38 metric 600
$ ip neigh 192.168.1.100 dev wlo1 FAILED 192.168.1.1 dev wlo1 lladdr 44:48:b9:eb:a6:00 REACHABLE fe80::ba27:ebff:feec:dadd dev wlo1 lladdr b8:27:eb:ec:da:dd STALE fe80::4648:b9ff:feeb:a600 dev wlo1 lladdr 44:48:b9:eb:a6:00 router STALE
$ nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN verbunden vollständig aktiviert aktiviert aktiviert aktiviert DEVICE TYPE STATE CONNECTION wlo1 wifi verbunden Cruc24K2J 1 wg0 wireguard verbunden rasp4-vpn 90:B1:44:76:E5:CE bt nicht verbunden -- lo loopback nicht verwaltet -- netmaker wireguard nicht verwaltet -- NAME UUID TYPE DEVICE Cruc24K2J 1 31fb6568-4272-4975-ab8a-e6442e0a6ad6 wifi wlo1 rasp4-vpn f67d9c37-3cc3-4ba2-89ac-26b810f7868f wireguard wg0 FritzboxNaKla dc7ce139-e079-4553-8002-800e70580958 vpn -- Klaus S10-Netzwerk b06320d4-4872-4e68-bf2e-eaf38045bb80 bluetooth -- Li15ax 16f88d9e-5eeb-452b-8a48-c1fb8c7dcaea wifi -- MOVISTAR_568A 85e8dd76-f5fd-436b-bfe6-808a0b3dee27 wifi --
$ ping -c 2 $(ip -4 route show default | grep -o '[0-9]*[.][.0-9]*' ) PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=3.45 ms 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=3.49 ms --- 192.168.1.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 3.451/3.471/3.492/0.020 ms
$ ping -c 2 87.79.26.37 # UbuntuUsers.de PING 87.79.26.37 (87.79.26.37) 56(84) bytes of data. 64 bytes from 87.79.26.37: icmp_seq=1 ttl=50 time=194 ms 64 bytes from 87.79.26.37: icmp_seq=2 ttl=50 time=217 ms --- 87.79.26.37 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 194.191/205.481/216.771/11.290 ms
$ ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (87.79.26.37) 56(84) bytes of data. 64 bytes from ha.ubuntu-de.org (87.79.26.37): icmp_seq=1 ttl=50 time=204 ms 64 bytes from ha.ubuntu-de.org (87.79.26.37): icmp_seq=2 ttl=50 time=227 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 203.547/215.352/227.158/11.805 ms
$ rfkill list 0: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: no Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no
$ iwconfig lo no wireless extensions. wlo1 IEEE 802.11 ESSID:"Cruc24K2J" Mode:Managed Frequency:5.56 GHz Access Point: 46:48:B9:EB:A6:07 Bit Rate=351 Mb/s Tx-Power=26 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=70/70 Signal level=-34 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:9 Missed beacon:0 wg0 no wireless extensions. netmaker no wireless extensions. Kernel modules: rtw88_8821ce
$ 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: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP mode DORMANT group default qlen 1000 link/ether e8:fb:1c:53:1a:0b brd ff:ff:ff:ff:ff:ff altname wlp1s0 3: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/none 5: netmaker: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000 link/none
$ ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether e8:fb:1c:53:1a:0b brd ff:ff:ff:ff:ff:ff altname wlp1s0 inet 192.168.1.38/24 brd 192.168.1.255 scope global dynamic noprefixroute wlo1 valid_lft 59576sec preferred_lft 59576sec inet6 fe80::8fbe:c1a1:a273:b5d5/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: wg0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none inet 10.8.0.2/24 brd 10.8.0.255 scope global noprefixroute wg0 valid_lft forever preferred_lft forever 5: netmaker: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1420 qdisc noqueue state UNKNOWN group default qlen 1000 link/none
$ ip -4 route default via 192.168.1.1 dev wlo1 proto dhcp metric 600 10.8.0.0/24 dev wg0 proto kernel scope link src 10.8.0.2 metric 50 169.254.0.0/16 dev wg0 scope link metric 1000 192.168.1.0/24 dev wlo1 proto kernel scope link src 192.168.1.38 metric 600
$ ip neigh 192.168.1.100 dev wlo1 FAILED 192.168.1.1 dev wlo1 lladdr 44:48:b9:eb:a6:00 REACHABLE fe80::ba27:ebff:feec:dadd dev wlo1 lladdr b8:27:eb:ec:da:dd STALE fe80::4648:b9ff:feeb:a600 dev wlo1 lladdr 44:48:b9:eb:a6:00 router STALE $ nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN verbunden vollständig aktiviert aktiviert aktiviert aktiviert DEVICE TYPE STATE CONNECTION wlo1 wifi verbunden Cruc24K2J 1 wg0 wireguard verbunden rasp4-vpn 90:B1:44:76:E5:CE bt nicht verbunden -- lo loopback nicht verwaltet -- netmaker wireguard nicht verwaltet -- NAME UUID TYPE DEVICE Cruc24K2J 1 31fb6568-4272-4975-ab8a-e6442e0a6ad6 wifi wlo1 rasp4-vpn f67d9c37-3cc3-4ba2-89ac-26b810f7868f wireguard wg0 FritzboxNaKla dc7ce139-e079-4553-8002-800e70580958 vpn -- Klaus S10-Netzwerk b06320d4-4872-4e68-bf2e-eaf38045bb80 bluetooth -- Li15ax 16f88d9e-5eeb-452b-8a48-c1fb8c7dcaea wifi -- MOVISTAR_568A 85e8dd76-f5fd-436b-bfe6-808a0b3dee27 wifi --
$ ping -c 2 $(ip -4 route show default | grep -o '[0-9]*[.][.0-9]*' ) PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. 64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=3.45 ms 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=3.49 ms --- 192.168.1.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 3.451/3.471/3.492/0.020 ms $ ping -c 2 87.79.26.37 # UbuntuUsers.de PING 87.79.26.37 (87.79.26.37) 56(84) bytes of data. 64 bytes from 87.79.26.37: icmp_seq=1 ttl=50 time=194 ms 64 bytes from 87.79.26.37: icmp_seq=2 ttl=50 time=217 ms --- 87.79.26.37 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 194.191/205.481/216.771/11.290 ms
$ ping -c 2 www.ubuntuusers.de PING ubuntuusers.de (87.79.26.37) 56(84) bytes of data. 64 bytes from ha.ubuntu-de.org (87.79.26.37): icmp_seq=1 ttl=50 time=204 ms 64 bytes from ha.ubuntu-de.org (87.79.26.37): icmp_seq=2 ttl=50 time=227 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1000ms rtt min/avg/max/mdev = 203.547/215.352/227.158/11.805 ms
$ rfkill list 0: asus-wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: asus-bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: hci0: Bluetooth Soft blocked: no Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no
$ iwconfig lo no wireless extensions. wlo1 IEEE 802.11 ESSID:"Cruc24K2J" Mode:Managed Frequency:5.56 GHz Access Point: 46:48:B9:EB:A6:07 Bit Rate=351 Mb/s Tx-Power=26 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=70/70 Signal level=-34 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:9 Missed beacon:0 wg0 no wireless extensions. netmaker no wireless extensions.