Liebes Forum
Beim HP-Laptop meiner Freundin installierte ich im Dualboot Ubuntu/Windows.
Es wird hauptsächlich Ubuntu genutzt und dort fällt auf dass immer wieder die Internet- und Netzwerkverbindung zum HP-PC (mit gleichem Ubuntu) abbricht. Diese sind über eine Internet-Box und LAN-Kabel miteinander verbunden. Es geschieht vor allem bei einer Übertragung größerer Datenpaketen.
Vielen Dank.
Martin
Nachfolgend herausgefundene Infos.
1.a)
Labtop HP 15-bw061ng
Sunrise Internet Box, Sagemcom CS 50001, P/N: 253640407
2.a) verwendete Kernelveersion:
uname -a 5.0.0-31-generic #33~18.04.1-Ubuntu SMP Tue Oct 1 10:20:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
2.b) Abfrage für PCI und PCMCIA-Karten:
lspci -nnk | grep -i net -A2 01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15) Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:8332] Kernel driver in use: r8169 Kernel modules: r8169 02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723] Subsystem: Hewlett-Packard Company Device [103c:8319]
3.a) Aktuelle Netzwerkkonfiguration:
cat /etc/network/interfaces # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback 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: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000 link/ether 48:ba:4e:1d:b8:7b brd ff:ff:ff:ff:ff:ff 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 2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 inet 192.168.1.31/24 brd 192.168.1.255 scope global dynamic noprefixroute enp1s0 valid_lft 256615sec preferred_lft 256615sec ip -4 route default via 192.168.1.1 dev enp1s0 proto dhcp metric 100 169.254.0.0/16 dev enp1s0 scope link metric 1000 192.168.1.0/24 dev enp1s0 proto kernel scope link src 192.168.1.31 metric 100 ip -4 neigh 192.168.1.1 dev enp1s0 lladdr 40:c7:29:62:41:eb REACHABLE 192.168.1.27 dev enp1s0 lladdr 00:0a:cd:29:b3:2f STALE
3.b) Programm für Netzwerkkonfiguration:
grep renderer /etc/netplan/*yaml renderer: NetworkManager
3.c) Konfiguration des NetworkManagers:
nmcli general ; nmcli device ; nmcli connection STATE CONNECTIVITY WIFI-HW WIFI WWAN-HW WWAN verbunden vollständig aktiviert aktiviert aktiviert aktiviert DEVICE TYPE STATE CONNECTION enp1s0 ethernet verbunden Kabelgebundene Verbindung 1 lo loopback nicht verwaltet -- NAME UUID TYPE DEVICE Kabelgebundene Verbindung 1 25ec0940-7ffa-3c66-a28d-84b849710601 ethernet enp1s0
3.f) DNS-Namensauflösung:
ls -l /etc/resolv.conf lrwxrwxrwx 1 root root 39 Okt 8 11:52 /etc/resolv.conf -> ../run/systemd/resolve/stub-resolv.conf cat /etc/resolv.conf nameserver 127.0.0.53 options edns0 search home cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 andrea-HP-Laptop-15-bw0xx # 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 sudo ss -pan 'sport = 53' Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port udp UNCONN 0 0 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=585,fd=12)) tcp LISTEN 0 128 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=585,fd=13))
4. Internet-Verbindungstests:
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=0.309 ms 64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=0.386 ms --- 192.168.1.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1018ms rtt min/avg/max/mdev = 0.309/0.347/0.386/0.042 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=19.5 ms 64 bytes from 213.95.41.4: icmp_seq=2 ttl=54 time=18.6 ms --- 213.95.41.4 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 18.668/19.122/19.576/0.454 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=18.6 ms 64 bytes from ha.ubuntu-eu.org (213.95.41.4): icmp_seq=2 ttl=54 time=18.2 ms --- ubuntuusers.de ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1002ms rtt min/avg/max/mdev = 18.224/18.426/18.629/0.243 ms