upd

computer_networks/labs/lab1/code/netcfg.cmd

@@ -0,0 +1,54 @@
+@echo off
+chcp 65001 >nul
+setlocal EnableExtensions EnableDelayedExpansion
+
+set MODE=%1
+set IFACE=%2
+set IP=%3
+set MASK=%4
+set GW=%5
+set DNS1=%6
+set DNS2=%7
+
+if /i "%MODE%"=="dhcp" goto dhcp
+if /i "%MODE%"=="static" goto static
+
+echo 1) DHCP
+echo 2) Static
+set /p MODESEL=Select mode [1/2]: 
+if "%MODESEL%"=="1" set MODE=dhcp
+if "%MODESEL%"=="2" set MODE=static
+
+if not defined IFACE set /p IFACE=Interface name [Ethernet]: 
+if "%IFACE%"=="" set IFACE=Ethernet
+
+if /i "%MODE%"=="dhcp" goto dhcp
+if /i "%MODE%"=="static" goto static
+echo Invalid selection
+exit /b 1
+
+:dhcp
+if not defined IFACE set /p IFACE=Interface name [Ethernet]: 
+if "%IFACE%"=="" set IFACE=Ethernet
+netsh interface ip set address name="%IFACE%" source=dhcp
+netsh interface ip set dns name="%IFACE%" source=dhcp
+ipconfig /flushdns
+echo Done
+exit /b 0
+
+:static
+if not defined IFACE set /p IFACE=Interface name [Ethernet]: 
+if "%IFACE%"=="" set IFACE=Ethernet
+if not defined IP set /p IP=IPv4 address: 
+if not defined MASK set /p MASK=Subnet mask: 
+if not defined GW set /p GW=Gateway: 
+if not defined DNS1 set /p DNS1=DNS1: 
+if not defined DNS2 set /p DNS2=DNS2 (optional): 
+netsh interface ip set address name="%IFACE%" static %IP% %MASK% %GW% 1
+netsh interface ip set dns name="%IFACE%" static %DNS1% primary
+if defined DNS2 netsh interface ip add dns name="%IFACE%" %DNS2% index=2
+ipconfig /flushdns
+echo Done
+exit /b 0
+
+