Check if a mac address exists
********** final get router mac address ********
for /f "tokens=1,* delims=:" %a in ('ipconfig ^| findstr /IR "default gateway" ^| findstr ".*[0-9]"') do set _gateway=%b set _gateway=%_gateway: =% for /f "tokens=1,* delims= " %a in ('arp -a %_gateway%') do set _gatemac=%b set _gatemac=%_gatemac: dynamic=% echo %_gatemac%
********** final get router mac address for batch file ********
for /f "tokens=1,* delims=:" %%a in ('ipconfig ^| findstr /IR "default gateway" ^| findstr ".*[0-9]"') do set _gateway=%%b set _gateway=%_gateway: =% for /f "tokens=1,* delims= " %%a in ('arp -a %_gateway%') do set _gatemac=%%b set _gatemac=%_gatemac: dynamic=% echo %_gatemac% pause
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********** final get router mac address for batch file and take action ********
rem findmac.bat rem If router mac changes then restart vpn rem if router mac is in office then kill vpn @echo off set batchdir=%~dp0 echo %_gatemac% > "%batchdir%\getemac.txt" call:while1 :while1 call:chkMacFunc timeout 5 goto :while1 :chkMacFunc call:getMacFunc set _match=0 set _office=0 set /p _oldgatemac=<"%batchdir%\getemac.txt" if not %_gatemac% == %_oldgatemac% (Taskkill /IM ipsecc.exe) & (echo %_gatemac% > "%batchdir%\getemac.txt") & echo new mac restart shrew vnc if %_gatemac% == 00-1d-aa-fc-e5-10 (Taskkill /IM ipsecc.exe) & echo mac matches so kill ipsecc.exe goto:eof :getMacFunc for /f "tokens=1,* delims=:" %%a in ('ipconfig ^| findstr /IR "default gateway" ^| findstr ".*[0-9]"') do set _gateway=%%b set _gateway=%_gateway: =% for /f "tokens=1,* delims= " %%a in ('arp -a %_gateway%') do set _gatemac=%%b set _gatemac=%_gatemac: dynamic=% goto:eof
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