AIS AI2524 Use a Frame Relay-Encapsulated Serial Interface Connection, Interface serial

Chapter 5: Using AutoInstall

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]

August 1997	Page 5-13
2524UM