NETSH Command.doc
Transcript of NETSH Command.doc
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Netsh Command / Network administration shell
What it Netsh
Netsh tool is a command-line scripting utility that allows you to, either locally or remotely, display ormodify the network configuration of a computer that is currently running. Netsh tool also provides an
useful feature that allows you to run a group of commands in batch mode. Netsh can also save the list of
commands into text file for archival purposes or to help you configure other servers in the same way.
You can use the Netsh network administartion tool to perform the following tasks:
Configure interfaces.
Configure routing protocols.
Configure filters.
Configure routes.
Configure remote access behavior for Windows-based remote access routers that are running the
Routing and Remote Access Server (RRAS) Service.
Display the configuration of a currently running router on any computer.
Use the scripting feature to run a collection of commands in batch mode against a specified router.
Netsh command internal help
C:\netsh
netsh>help
The following commands are available:
Commands in this context:
.. - Goes up one context level.
? - Displays a list of commands.
abort - Discards changes made while in offline mode.
add - Adds a configuration entry to a list of entries.
alias - Adds an alias.
bridge - Changes to the `netsh bridge' context.
bye - Exits the program.
commit - Commits changes made while in offline mode.
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.
exit - Exits the program.firewall - Changes to the `netsh firewall' context.
help - Displays a list of commands.
interface - Changes to the `netsh interface' context.
offline - Sets the current mode to offline.
online - Sets the current mode to online.
popd - Pops a context from the stack.
pushd - Pushes current context on stack.
quit - Exits the program.
ras - Changes to the `netsh ras' context.
routing - Changes to the `netsh routing' context.
set - Updates configuration settings.
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show - Displays information.
unalias - Deletes an alias.
winsock - Changes to the `netsh winsock' context.
The following sub-contexts are available:
bridge diag firewall interface ras routing winsock
To view help for a command, type the command, followed by a space, and then
type ?.
netsh>
Netsh contexts
Netsh utility interacts with others using dynamic-link library files. Each Netsh helper DLL provides an
extensive set of features called a context, which is a group of commands specific to this DLL networkingcomponent. These contexts extend the functionality of netsh. For ex., Dhcpmon.dll provides netsh the
context and set of commands necessary to configure and manage DHCP settings.
For more information about Netsh contexts, use this command in the netsh shell:
netsh>show helper
DLL Filename Command
------------ -------
HNETMON.DLL bridge
DGNET.DLL diag
FWCFG.DLL firewall
IFMON.DLL interface
IFMON.DLL ip
IPV6MON.DLL ipv6IPV6MON.DLL 6to4
IPV6MON.DLL isatap
IPV6MON.DLL portproxy
RASMONTR.DLL ras
RASMONTR.DLL aaaa
RASMONTR.DLL appletalk
RASMONTR.DLL ip
RASMONTR.DLL ipx
RASMONTR.DLL netbeui
IPMONTR.DLL routing
IPMONTR.DLL ip
IPPROMON.DLL autodhcp
IPPROMON.DLL dnsproxy
IPPROMON.DLL igmpIPPROMON.DLL nat
IPPROMON.DLL ospf
IPPROMON.DLL relay
IPPROMON.DLL rip
IPPROMON.DLL routerdiscovery
IPXMONTR.DLL ipx
IPXPROMN.DLL netbios
IPXPROMN.DLL rip
IPXPROMN.DLL sap
IFMON.DLL winsock
netsh>
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List of available netsh contexts
AAAA - commands for AAAAShows and sets the configuration of the Authentication, Authorization, Accounting, and Auditing (AAAA)
database used by the Internet Authentication Service (IAS) and the Routing and Remote Access service.
DHCP - commands for DHCPAdministers DHCP servers and provides an equivalent alternative to console-based management.
Diag - diagnostic (diag) commands
Administers and troubleshoots operating system and network service parameters.
Interface - commands for Interface IP
Configures the TCP/IP protocol (including addresses, default gateways, DNS servers, and WINS servers)
and displays configuration and statistical information.
RAS - commands for RAS
Administers remote access servers.
Routing - commands for Routing
Administers Routing servers.
WINS - commands for WINS
Administers WINS servers.
Netsh usage from command line, Netsh syntax
netsh -a AliasFile -c Context -r RemoteComputer NetshCommand
ornetsh -a AliasFile -c Context -r RemoteComputer -f ScriptFile
-r : Configures a remote computer.
RemoteComputer : Specifies the remote computer to configure.
NetshCommand : Specifies the netsh command that you want to run.
-f: Exits Netsh.exe after running the script.
ScriptFile : Specifies the script that you want to run.
/? : Displays help at the command prompt.
Netsh examples
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Show Network Diagnostic GUI
Type the following command:
netsh diag gui
Switch the specified adapter from a static address to DHCP
Type the following command:
netsh interface ip set address "Local Area Connection" dhcp
NOTE: Typing this command changes the interface named "Local Area Connection" to DHCP.
To display all of the adapters in the computer with their current IP addresses to determine the correct
adapter name, type the following command:
Netsh interface ip show config
To change to a static address, type the following command:
netsh interface ip set address "Local Area Connection" static ipaddr subnetmask gateway metric
NOTE: Replace ipaddr with the static IP address, subnetmaskwith the subnet mask, gateway with the
default gateway and, if necessary, metric with the appropriate metric.
The following example changes the interface "Local Area Connection" to a static address of 192.168.0.10
with a subnet mask of 255.255.255.0, and the interface has a default gateway of 192.168.0.1 with a metricof 1:
netsh interface ip set address "Local Area Connection" static 192.168.0.10 255.255.255.0 192.168.0.1 1
Show multicast joins for an each network inteface
Type the following command:
netsh interface ip show joins
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Gathering diagnostic data from Windows Firewall
Windows Firewall configuration and status information can be retrieved at the command line by using theNetsh.exe tool. This tool adds IPv4 firewall support to the following Netsh context:
netsh firewall
To use this context, type netsh firewall at a command prompt, and then use additional Netsh commands as
needed. The following commands are useful for gathering firewall status and configuration information:
Netsh firewall show state Netsh firewall show config
Supported data gathering and configuration commands are listed in the following table.
Note Settings can be modified only by an administrator.
Data GatheringCommand Description
show allowedprogram Displays the allowed programs.
show config Displays the detailed local configuration information.show currentprofile Displays the current profile.
show icmpsetting Displays the ICMP settings.
show logging Displays the logging settings.
show opmode Displays the operational mode.
show portopening Displays the excepted ports.
show service Displays the services.
show state Displays the current state information.
show notifications Displays the current settings for notifications.