Windows Batch File To Set Static IP Address Even if NIC is Renamed
My blog today is not specific to Cisco technologies, but it is something that I found useful in my Cisco classes. I needed a script that would set a static IP address on the network adapter, set a DNS server, and function even if the student had renamed the NIC. Here is the solution that worked for me.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | @ECHO OFF title {Whatever you want to have appear as the window title} :sn cd\ cls set /p sn=What is your student number (between 2 and 18)? Note, this script functions per student, but feel free to change your particulars REM **************Student number error trap************************** if %sn% lss 2 goto sn if %sn% gtr 18 goto sn REM ************************************************************* :choice echo You have entered that echo your student number is %sn%. set /p yn=If this is correct, type 'y' for yes or 'n' for no and hit Enter The following 4 lines prevents errors if the response is upper case vs lower case if %yn%==y goto set if %yn%==Y goto set if %yn%==n goto sn if %yn%==N goto sn cls echo Please select 'y' or 'n' goto choice :set cls echo Prepping your computer for the troubleshooting lab. Please wait... The timeout is not required, I just configured it so it looked busier timeout 5 for /f "skip=4 tokens=5*" %%i in ('netsh int ip show int') do echo %%i %%j> tmpvar In my case, the output I needed started at the fifth ‘chunk’, so my tokens started at 5. You can view the output of what I am parsing on your machine by typing netsh initerface ip show interface and locate the desired output set /p IN= < tmpvar netsh interface ipv4 set address name="%IN%" source=static 10.%sn%.10.100 mask=255.255.255.0 gateway=10.%sn%.10.10 netsh interface ipv4 set dnsservers "%IN%" static 8.8.8.8 primary > nul The ‘> nul’ guarantees nothing is sent to the screen so the student sees no output besides the ‘echo’ statements. echo Your computer is now ready for the lab pause exit |
Feel free to mod this script to meet your specific needs.
If you have any comments or questions, please feel free to post them….
Until next time.
Mark Jacob
Cisco and CompTIA Network + Instructor – Interface Technical Training
Phoenix, AZ
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