3、ngth][-iTTL]destination-list③读懂ping命令返回的信息例:Ping127.0.0.1Pinging127.0.0.1with32bytesofdata:Replyfrom127.0.0.1:bytes=32time<1msTTL=128Replyfrom127.0.0.1:bytes=32time<1msTTL=128Replyfrom127.0.0.1:bytes=32time<1msTTL=128Replyfrom127.0.0.1:bytes=32time<1msTTL=128Pingstatisticsfor127.0.0.1: P