C:\Documents and Settings\Administrator>pingUsage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS] [-r count] [-s count] [[-j host-list] | [-k host-list]] [-w timeout] target_nameOptions: -t Ping the specified host until stopped. To see statistics and continue - type Control-Break; To stop - type Control-C. -a Resolve addresses to hostnames. -n count Number of echo requests to send. -l size Send buffer size. -f Set Don't Fragment flag in packet. -i TTL Time To Live. -v TOS Type Of Service. -r count Record route for count hops. -s count Timestamp for count hops. -j host-list Loose source route along host-list. -k host-list Strict source route along host-list. -w timeout Timeout in milliseconds to wait for each reply.我的电脑上网总是网速不稳定什么地方都看了就是找不出原因高手指导一下谢谢！情况是这样的说是掉线了都还有网络连接！但是只有发送的数具没有接收到的数具！每当出现这种情况我的解决办法是把猫的电源断开重新起动猫后连接网络一切正常！但是用不了多时间还是会出现我刚才说的情况，烦死了！杀毒也杀过N次了，系统也重做过了，但是这种情况就是得不到好转！ 高手帮忙分析一下是什么原因呀

你发的这是PING的指令，你不会中ARP的标了吧？

你这个ping没有什么解释,你没有输入IP地址,下面出现的是对PING的帮助.PING 命令的格式是: PING ***.***.***.******是数字,也就是 PING后面要跟IP地址.