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Configuring the LAN Interfaces
Step 10
AutoInstall
The AutoInstall process is designed to configure the router automatically after it connects to your
WAN. For AutoInstall to work properly, a TCP/IP host on your network must be configured to
provide the configuration files. The TCP/IP host can reside anywhere on the network if the following
two conditions are met:
•
•
This functionality is coordinated by your system administrator at the TCP/IP host site. You should
not try to use AutoInstall unless the required files have been installed on the TCP/IP host.
Follow this procedure to prepare your router for the AutoInstall process:
Step 1
Step 2
Step 3
18 WAN Card Slot Network Module Configuration Note
The results of the show running-config and show startup-config commands differ from
each other if you have made changes to the configuration, but have not yet written them
to NVRAM. To write your changes to NVRAM, making them permanent, enter the
command copy running-config startup-config at the enable prompt:
Router# copy running-config startup-config
Building configuration. . .
[OK]
Router#
The router is now configured to boot in the new configuration.
The host must be on the remote side of the router's synchronous serial connection to the WAN.
User Datagram Protocol (UDP) broadcasts to and from the router and the TCP/IP host must be
enabled.
Connect the router to the WAN.
Turn ON power to the router.
The router loads the operating system image from Flash memory. If the remote end of the
WAN connection is connected and properly configured, the AutoInstall process begins.
If AutoInstall succeeds, you should write the configuration data to the router's NVRAM.
To do this, enter the copy running-config startup-config command at the Router#
prompt:
Router# copy running-config startup-config
Building configuration. . .
[OK]
Router#
This step saves the configuration settings that the AutoInstall process created. If
Note
you do not do this, your new configuration will be lost the next time you boot the router.
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