[网络连接] 网段存活查看错误

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@echo off
for /L %%i IN (1,1,254) DO (ping -w 2 -n 1 172.28.0.%%i -n 1 && echo  172.28.0.%%i>>iok.txt || echo  172.28.0.%%i >>ino.txt)



ping -n 1 -W "300000"127.0.0.1 >nul
pause
arp -a >>ip存活.txt
********************
@echo off
for /L %%i IN (1,1,254) DO (
     for /L %%m IN (%%i) DO (
ping -w 2 -n 1 172.28.%%i.%%m -n 1 && echo  172.28.%%i.%%m >>iok.txt || echo  172.28.%%i.%%m >>ino.txt
)
  )



ping -n 1 -W "300000"127.0.0.1 >nul
pause
arp -a >>ip存活.txt
***************
上段正常，下雨段嵌套失败为什么啊？？

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好吧 把%%1变成1.1.254可以了