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Chapter 5: Using AutoInstall
August 1997 Page 5-13
2524UM
5. Save the configuration file to your startup configuration. This step
saves the configuration to NVRAM.
copy running-config startup-config
Typically, the local-area network (LAN) interface and IP address ar
already configured on the existing router. You might need to configur
an IP helper address if the TFTP server is not on the same network as
the new router.
In this example, the existing router's configuration file contains the
commands needed to configure the router for AutoInstall on an Ether-
net interface:
Router# configure terminal
interface Ethernet 0
ip address 172.31.10.1 255.255.255.0
ip helper-address 172.31.20.5
Ctrl-Z
Router(config)# copy running-config startup-config
Use a Frame Relay-Encapsulated Serial Interface Connection
To set up AutoInstall via a serial line with Frame Relay encapsulation,
you must configure the existing router. Perform these tasks, beginning
in global configuration mode:
1. Configure the serial interface that connects to the new router, and
enter interface configuration mode.
interface serial 0
2. Configure Frame Relay encapsulation on the interface that con-
nects to the new router.
encapsulation frame-relay
3. Create a Frame Relay map pointing back to the new router, or
point-to-point subinterfaces, assign a data link connection identi-
fier (DLCI) to the interface that connects to the new router, and
provide the IP address of the serial port on the new router.
frame-relay map ip
ip-address dlci
or
frame-relay interface-dlci
dlci option
[protocol ip
ip-address
]