networking - Wired connection failed after upgrade to Ubuntu 14.04 - Ask Ubuntu
my system updated 12 14.04 today.
executed apt-get upgrade
fixed broken gui
however, wired connection failed after that.
ubuntu keeps trying connect internet , fails with:
disconnected - offline" shows continuously.
here's information reference.
$ ifconfig eth0 link encap:ethernet hwaddr e0:3f:49:e6:ff:64 inet6 addr: fe80::e23f:49ff:fee6:ff64/64 scope:link broadcast running multicast mtu:1500 metric:1 rx packets:0 errors:0 dropped:0 overruns:0 frame:0 tx packets:325 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 rx bytes:0 (0.0 b) tx bytes:64499 (64.4 kb) interrupt:20 memory:f7c00000-f7c20000 lo link encap:local loopback inet addr:127.0.0.1 mask:255.0.0.0 inet6 addr: ::1/128 scope:host loopback running mtu:65536 metric:1 rx packets:288 errors:0 dropped:0 overruns:0 frame:0 tx packets:288 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 rx bytes:69793 (69.7 kb) tx bytes:69793 (69.7 kb) $ sudo lshw -c network *-network description: ethernet interface product: ethernet connection i217-v vendor: intel corporation physical id: 19 bus info: pci@0000:00:19.0 logical name: eth0 version: 05 serial: e0:3f:49:e6:ff:64 size: 10mbit/s capacity: 1gbit/s width: 32 bits clock: 33mhz capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=2.3.2-k duplex=full firmware=0.13-4 latency=0 link=yes multicast=yes port=twisted pair speed=10mbit/s resources: irq:43 memory:f7c00000-f7c1ffff memory:f7c3d000-f7c3dfff ioport:f080(size=32) $ route -n kernel ip routing table destination gateway genmask flags metric ref use iface $ ping -c4 www.google.com ping: unknown host www.google.com
how can fix it?
here updated information.
$ cat /etc/network/interfaces iface lo inet loopback $ ping 8.8.8.8 connect: network unreachable $ nmcli c list name uuid type timestamp-real nameofconnection 34b17d84-0ff5-4f79-9432-6c3cecc65846 802-11-wireless never wired connection 1 35545dbf-7dd6-4f28-bb3e-a8016a5bd3e4 802-3-ethernet tue 08 nov 2016 08:24:56 pm cst
note : please ignore wireless connection part, cannot use right now.
Comments
Post a Comment