Installation guide

5-6 Cisco 4000 Series Installation Guide

Configuring the Router

• User Datagram Protocol (UDP) broadcasts to and from the router and the TCP/IP host

must be enabled.

This functionality is coordinated by your system administrator at the site where the TCP/IP

host is located. You should not attempt to use AutoInstall unless the required ﬁles have been

installed on the TCP/IP host.

Take the following steps to prepare your router for the AutoInstall process:

Step 1 Attach the synchronous serial cable to the router.

Step 2 Turn ON power to the router.

The router will load the operating system image from Flash memory. If the

remote end of the WAN connection is connected and properly conﬁgured, the

AutoInstall process will begin.

If the AutoInstall completes successfully, you might want to write the

conﬁguration data to the router’s NVRAM. Perform the next step to complete

this task.

Step 3 At the enable prompt, enter the copy running-conﬁg startup-conﬁg command:

Hostname# copy running-config startup-config

Taking this step will save the conﬁguration settings that the AutoInstall process

created in the router. If you fail to do this, your conﬁguration will be lost the next

time you reload the router.

Conﬁguring the Router Manually Using the Setup Facility

If you do not plan to use AutoInstall, do not connect the router’s serial (WAN) cable to the

channel service unit/data service unit (CSU/DSU). The router will attempt to run

AutoInstall whenever you start it if the serial (WAN) connection is connected on both ends

and the router does not have a conﬁguration stored in NVRAM. It can take several minutes

for the router to determine that AutoInstall is not set up to a remote TCP/IP host.

Once the router has determined that AutoInstall is not conﬁgured, it will default to the setup

facility. If the serial (WAN) cable is not connected, the router will boot from Flash memory

and go into the setup facility.