我在linux 下: telnet/ping 命令的时候,如果只有ip的话,命令执行; 如果 telnet 211.23.15.54:8080 就是ip地址带上端口的时候,就报unkownhost的错误, 请大家帮忙了
我在linux 下: telnet/ping 命令的时候,如果只有ip的话,命令执行; 如果 telnet 211.23.15.54:8080 就是ip地址带上端口的时候,就报unkownhost的错误, 请大家帮忙了
高手来指点下, --- 122.228.196.142 ping statistics --- 48 packets transmitted, 40 received, 16% packet loss, time 47058ms rtt min/avg/max/mdev = 193.804/197.821/208.417/3.155 ms, pipe 2 time后面的47058ms这个是ping的响应时间吗,
ping ping [options] host System administration command. Confirm that a remote host is online and responding. ping is intended for use in network testing, measurement, and management. Because of the load it can impose on the network, it is unwise to use ping during normal operations or from automated scripts. Options -a Make ping audible. Beep each time response is received. -A Adapt to return int...
ping命令 这是TCP/IP协议中最有用的命令之一 它给另一个系统发送一系列的数据包,该系统本身又发回一个响应,这条实用程序对查找远程主机很有用,它返回的结果表示是否能到达主机,宿主机发送一个返回数据包需要多长时间。 Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS] [-r count] [-s count] [[-j host-list] [-k host-list]] [-w timeout] destination-list Options: ...