Ich habe mich getäuscht es geht doch nicht. Ich muss nach jeden Start das Routermodem neu starten (unter Win7 jedoch nicht). Ich habe mal die Befehle im Link ausgeführt:
So schaut es aus, wenn es geht:
########user42@user42-pc:~$ uname -a
Linux yi-li-pc 4.4.0-71-generic #92-Ubuntu SMP Fri Mar 24 12:59:01 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
########user42@user42-pc:~$ lspci -nnk | grep -i net -A2
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:e000]
Kernel driver in use: r8169
########user42@user42-pc:~$ pccardctl info
########user42@user42-pc:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
########user42@user42-pc:~$ 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
search localdomain
########user42@user42-pc:~$ cat /etc/hosts
127.0.0.1 localhost
127.0.1.1 yi-li-pc
# 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
########user42@user42-pc:~$ ifconfig -a
enp7s0 Link encap:Ethernet HWaddr ##:##:##:##:##:##
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: ####::####:###:####:####/## Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:446666 errors:0 dropped:0 overruns:0 frame:0
TX packets:269294 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:650646827 (650.6 MB) TX bytes:21007169 (21.0 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:16560 errors:0 dropped:0 overruns:0 frame:0
TX packets:16560 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:2150994 (2.1 MB) TX bytes:2150994 (2.1 MB)
########user42@user42-pc:~$ iwconfig
enp7s0 no wireless extensions.
lo no wireless extensions.
########user42@user42-pc:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 100 0 0 enp7s0
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp7s0
192.168.1.0 0.0.0.0 255.255.255.0 U 100 0 0 enp7s0
########user42@user42-pc:~$ arp -av
##Routermodemname## (192.168.1.1) at ##:##:##:I1:##:## [ether] on enp7s0
Entries: 1 Skipped: 0 Found: 1
########user42@user42-pc:~$ ip neigh show
192.168.1.1 dev enp7s0 lladdr ##:##:##:I1:##:## REACHABLE
fe80::1 dev enp7s0 lladdr ##:##:##:I1:##:## router STALE
########user42@user42-pc:~$ cat /var/lib/NetworkManager/NetworkManager.state
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
########user42@user42-pc:~$ cat /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
########user42@user42-pc:~$ cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3
cat: /etc/udev/rules.d/70-persistent-net.rules: No such file or directory
########user42@user42-pc:~$ ping -c 2 $(route -n | grep UG | awk {'print $2'})
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=0.657 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=0.881 ms
--- 192.168.1.1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 999ms
rtt min/avg/max/mdev = 0.657/0.769/0.881/0.112 ms
########user42@user42-pc:~$ ping -c 2 www.ubuntuusers.de
PING ubuntuusers.de (213.95.41.4) 56(84) bytes of data.
64 bytes from ubuntuusers.de (213.95.41.4): icmp_seq=1 ttl=55 time=34.9 ms
64 bytes from ubuntuusers.de (213.95.41.4): icmp_seq=2 ttl=55 time=35.3 ms
--- ubuntuusers.de ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 34.954/35.167/35.380/0.213 ms
########user42@user42-pc:~$ 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=55 time=34.9 ms
64 bytes from 213.95.41.4: icmp_seq=2 ttl=55 time=34.1 ms
--- 213.95.41.4 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 34.181/34.557/34.934/0.419 ms
die Bereich mit # habe ich leicht abgeändert, da nicht sicher, ob die einzigartig sind.
dann habe ich neu gestartet und dann ging es nicht mehr (erst nach routermodem neustart)
Und so schaut es aus, wenn es nicht geht:
########user42@user42-pc:~$ uname -a
Linux yi-li-pc 4.4.0-77-generic #98-Ubuntu SMP Wed Apr 26 08:34:02 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
########user42@user42-pc:~$ lspci -nnk | grep -i net -A2
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06)
Subsystem: Gigabyte Technology Co., Ltd Motherboard [1458:e000]
Kernel driver in use: r8169
########user42@user42-pc:~$ pccardctl info
########user42@user42-pc:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
########user42@user42-pc:~$ 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
########user42@user42-pc:~$ cat /etc/hosts
127.0.0.1 localhost
127.0.1.1 yi-li-pc
# 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
########user42@user42-pc:~$ ifconfig -a
enp7s0 Link encap:Ethernet HWaddr XX:XX:XX:XX:XX:XX
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:1990 errors:0 dropped:0 overruns:0 frame:0
TX packets:1990 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:162964 (162.9 KB) TX bytes:162964 (162.9 KB)
########user42@user42-pc:~$ iwconfig
enp7s0 no wireless extensions.
lo no wireless extensions.
########user42@user42-pc:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
########user42@user42-pc:~$ arp -av
Entries: 0 Skipped: 0 Found: 0
########user42@user42-pc:~$ ip neigh show
########user42@user42-pc:~$ cat /var/lib/NetworkManager/NetworkManager.state
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
########user42@user42-pc:~$ cat /etc/NetworkManager/NetworkManager.conf
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
########user42@user42-pc:~$ cat /etc/udev/rules.d/70-persistent-net.rules | egrep -i 'device|sub' -A3
cat: /etc/udev/rules.d/70-persistent-net.rules: No such file or directory
########user42@user42-pc:~$ ping -c 2 $(route -n | grep UG | awk {'print $2'})
Usage: ping [-aAbBdDfhLnOqrRUvV] [-c count] [-i interval] [-I interface]
[-m mark] [-M pmtudisc_option] [-l preload] [-p pattern] [-Q tos]
[-s packetsize] [-S sndbuf] [-t ttl] [-T timestamp_option]
[-w deadline] [-W timeout] [hop1 ...] destination
########user42@user42-pc:~$ ping -c 2 www.ubuntuusers.de
ping: unknown host www.ubuntuusers.de
########user42@user42-pc:~$ ping -c 2 213.95.41.4
connect: Network is unreachable
########user42@user42-pc:~$
die Version ist leicht anders da ich auch sudo update gemacht hatte