无法使用笔记本电脑连接到网络

无法使用笔记本电脑连接到网络

我无法通过以太网电缆连接到网络,但无线连接正常。这只发生在这台笔记本电脑上 - PC 网线连接正常。

是否配置

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)

答案1

据我从您的 ifconfig 输出中看到的那样,您的 eth0 接口正在工作(传输和接收),但无法从您的 ISP 获取 IP。您的 ISP 是否允许多个连接(并提供多个 IP)?您可以尝试断开 Wi-Fi 接口,看看电缆是否连接。

更新:您可以尝试输入/etc/network/interfaces

auto lo eth0 wlan0
iface lo inet loopback
iface eth0 inet dhcp
iface wlan0 inet dhcp

并重新启动网络sudo /etc/init.d/networking restart(或重启)

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