:ping与其它主机的连接 C: DOcuments and Settings \f a>ping 10.10 65.25 Pinging 10.10.65.25 with 32 bytes of data Request timed out Request timed out Request timed out Request timed out Ping statistics for 10.10.65.25: Packets: Sent = 4. Received =0. Lost =4 (100% loss)二:ping与其它主机的连接