Tony Fortunato is a Senior Network Specialist with experience in design, implementation, and troubleshooting of LAN/WAN/Wireless networks, desktops and servers since 1989. His background in financial networks includes design and implementation of trading floor networks. Tony has taught at local high schools, Colleges/Universities, Networld/Interop and many onsite private classroom settings to thousands of analysts.

1. Using Microsoft
netsh
Tony Fortunato, Sr Network Specialist
The Technology Firm
© 2009 www.thetechfirm.com

2. Why use netsh?
 I use netsh for the following tasks;
 To reconfigure my ip stack with various ip settings
 To configure routing entries
 Display current ip settings
© 2008 www.thetechfirm.com

3. Netsh help screen
C:Documents and SettingsTony Fortunato>netsh /?
Usage: netsh [-a AliasFile] [-c Context] [-r RemoteMachine]
[Command | -f ScriptFile]
The following commands are available:
Commands in this context:
? - Displays a list of commands.
add - Adds a configuration entry to a list of entries.
bridge - Changes to the `netsh bridge' context.
delete - Deletes a configuration entry from a list of entries.
diag - Changes to the `netsh diag' context.
dump - Displays a configuration script.
exec - Runs a script file.
firewall - Changes to the `netsh firewall' context.
help - Displays a list of commands.
interface - Changes to the `netsh interface' context.
lan - Changes to the `netsh lan' context.
ras - Changes to the `netsh ras' context.
routing - Changes to the `netsh routing' context.
set - Updates configuration settings.
show - Displays information.
winsock - Changes to the `netsh winsock' context.
The following sub-contexts are available:
bridge diag firewall interface lan ras routing winsock
To view help for a command, type the command, followed by a space, and then type ?.
© 2009 www.thetechfirm.com

4. Netsh example – Wireless and DHCP IP
 Setting Wireless to DHCP (I put these commands in a batch file)
netsh interface ip set address name=quot;Wireless Network Connectionquot; source=dhcp

netsh interface ip set dns name=quot;Wireless Network Connectionquot; source=dhcp register=PRIMARY

netsh interface ip set wins name=quot;Wireless Network Connectionquot; source=dhcp

pause

© 2009 www.thetechfirm.com

5. Netsh example – Wireless and Static IP
 Setting Wireless to a static IP (I put these commands in a batch file)
netsh interface ip set address name=quot;Wireless Network Connectionquot; source=static addr=192.168.1.222 mask=255.255.255.0

netsh interface ip set address name=quot;Wireless Network Connectionquot; gateway=192.168.1.254 gwmetric=0

netsh interface ip set dns name=quot;Wireless Network Connectionquot; source=static addr=192.168.1.2

pause

© 2009 www.thetechfirm.com

6. Netsh example – show settings
 If you’re not comfortable going through the help screen, manually configure your IP
settings and type netsh interface dump
 You can pipe the output to a text file with the >
© 2009 www.thetechfirm.com

7. Netsh diagnostics screen
 Netsh diag gui will launch the diagnostics screen
© 2009 www.thetechfirm.com

8. netsh Training - QuickStart
Thank you
Tony Fortunato, Sr Network Specialist
The Technology Firm
© 2009 www.thetechfirm.com

9. LoveMyTool.com – Community for Network Tools
For additional educational videos on
Open Source Network Tools, please
click on the following …
http://www.lovemytool.com/blog/ostu.html
© 2008 www.thetechfirm.com