ubuntu 12.04网络配置好了，可就是上不了网，如图，

[zhxb]

百度了很多，可就是怎么也弄不好

[poloshiao]

從終端機
sudo ifconfig -a
把結果直接 copy 貼上來

[zhxb]

從終端機
sudo ifconfig -a
把結果直接 copy 貼上來

帮助看看是怎么回事吧？
administrator@ubuntu:~$ sudo ifconfig -a
eth0 Link encap:Ethernet HWaddr 78:45:c4:3f:45:7d
inet6 addr: fe80::7a45:c4ff:fe3f:457d/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:94 errors:0 dropped:4 overruns:0 frame:0
TX packets:153 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:40533 (40.5 KB) TX bytes:24809 (24.8 KB)

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:600 errors:0 dropped:0 overruns:0 frame:0
TX packets:600 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:44712 (44.7 KB) TX bytes:44712 (44.7 KB)

ppp0 Link encap:Point-to-Point Protocol
inet addr:223.94.133.181 P-t-P:223.94.132.1 Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:44 errors:0 dropped:0 overruns:0 frame:0
TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:36218 (36.2 KB) TX bytes:9494 (9.4 KB)

wlan0 Link encap:Ethernet HWaddr 9c:2a:70:24:e3:a1
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)

administrator@ubuntu:~$