ping 局域网主机是否在线

linux版本

$  vi ping.txt

 #!/bin/bash

for i in {1..255}

do

ping -c 3 -i 0.3 -W 3 10.0.50.$i &>/dev/null

if [ $? -eq 0 ] ; then

echo 10.0.50.$i>>sucess.txt

else

echo 10.0.50.$i>>fail.txt

fi

done

windows版本：

for /l %p in (1,1,254) do @ping -l 1 -n 3 -w 40 192.168.1.%p & if errorlevel 1 (echo 192.168.1.%p>>na.txt) else (echo 192.168.1.%p>>ok.txt)