我用的是电信局的ADSL上网，动态ip!我用ping命令能ping通自己的ip！为什么不能ping到网站或别的网址呢！晕！有什么问题吗？是不是设置问题还是。。。。。请高手指教一二！谢谢!内容如下：





C:\>ipconfig

Windows IP Configuration


Ethernet adapter 本地连接:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 192.168.0.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :

PPP adapter 连接通过 Realtek RTL8139 Family PCI Fast Ethernet NIC:

Connection-specific DNS Suffix . :
IP Address. . . . . . . . . . . . : 220.162.95.82
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 220.162.95.82

C:\>ping 220.162.95.82

Pinging 220.162.95.82 with 32 bytes of data:

Reply from 220.162.95.82: bytes=32 time<1ms TTL=128
Reply from 220.162.95.82: bytes=32 time<1ms TTL=128
Reply from 220.162.95.82: bytes=32 time<1ms TTL=128
Reply from 220.162.95.82: bytes=32 timeping http://ssce.html.533.net

Pinging http://ssce.html.533.net with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 61.156.17.253:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\>ping 61.156.17.253

Pinging 61.156.17.253 with 32 bytes of data:

Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 61.156.17.253:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\>

物理连接有问题，ping通自己只能说明协议栈ok

还有什么会产生这种问题！

很多网站都是拒绝ping包的（也就是ICMP协议包），大部分防火墙都具有这个功能，ping不通不等于不能访问。

建议用traceRT或pathping检查一下