I am having the same problem. My /etc/network/interfaces output is
auto lo
iface lo inet loopback
auto dsl-provider
iface dsl-provider inet ppp
pre-up /sbin/ifconfig eth0 up # line maintained by pppoeconf
provider dsl-provider
auto eth0
iface eth0 inet manual
when I run sudo ifconfig -a I got
eth0 Link encap:Ethernet HWaddr 00:e0:1c:3b:83:77
inet addr:192.168.1.2 Bcast:61.1.96.69 Mask:255.255.255.0
inet6 addr: fe80::2e0:1cff:fe3b:8377/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:383 errors:0 dropped:0 overruns:0 frame:0
TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:36942 (36.9 KB) TX bytes:4243 (4.2 KB)
Interrupt:21 Base address:0xe800
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:16436 Metric:1
RX packets:5 errors:0 dropped:0 overruns:0 frame:0
TX packets:5 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:560 (560.0 B) TX bytes:560 (560.0 B)
pan0 Link encap:Ethernet HWaddr 12:d7:09:56:58:20
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:0
when I ping by ping -c5 192.168.1.1 I got this out put
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
>From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
>From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
>From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
>From 192.168.1.2 icmp_seq=4 Destination Host Unreachable
>From 192.168.1.2 icmp_seq=5 Destination Host Unreachable
what should I do so that it works for me. I have tried everything.
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network-manager After reboot network is totally broken
https://bugs.launchpad.net/bugs/279262
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