I can't connect to network via an ethernet cable, but the wireless connection works fine. This only happens on this laptop - the pc network cable connection is fine.
ifconfig
eth0 Link encap:Ethernet HWaddr my mac address
inet6 addr: my inet6 address Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4 errors:0 dropped:0 overruns:0 frame:0
TX packets:24 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1296 (1.2 KB) TX bytes:5733 (5.7 KB)
Interrupt:16
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:1584 errors:0 dropped:0 overruns:0 frame:0
TX packets:1584 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:49690 (49.6 KB) TX bytes:49690 (49.6 KB)
wlan0 Link encap:Ethernet HWaddr d0:df:9a:be:b7:0a
inet addr:46.237.123.248 Bcast:46.237.123.255 Mask:255.255.255.0
inet6 addr: 2a02:6800:0:125:d2df:9aff:febe:b70a/64 Scope:Global
inet6 addr: fe80::d2df:9aff:febe:b70a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:58300 errors:0 dropped:0 overruns:0 frame:0
TX packets:1857 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5518132 (5.5 MB) TX bytes:380517 (380.5 KB)