ping 包ping www.baidu.com返回time 2188ms.

1、查查是否线路问题
2、系统是否中毒占用带宽
2、网卡或交换路由设备是否有问题
我的局域网PING如下：
Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.

C:\Documents and Settings\user>ping 192.168.1.3

Pinging 192.168.1.3 with 32 bytes of data:

Reply from 192.168.1.3: bytes=32 time=-53ms TTL=128
Reply from 192.168.1.3: bytes=32 time=-53ms TTL=128
Reply from 192.168.1.3: bytes=32 time=-53ms TTL=128
Reply from 192.168.1.3: bytes=32 time=-53ms TTL=128

Ping statistics for 192.168.1.3:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = -53ms, Maximum = -53ms, Average = 1073741771ms

C:\Documents and Settings\user>ping 192.168.1.3

Pinging 192.168.1.3 with 32 bytes of data:

Reply from 192.168.1.3: bytes=32 time=-53ms TTL=128
Reply from 192.168.1.3: bytes=32 time<1ms TTL=128
Reply from 192