Before You Begin

To configure a network for autoinstallation of Services Routers, complete the following tasks:

• Configure a DHCP server on your network to meet your network requirements.
• Create a configuration file and place it on a TFTP server on the network. A configuration file can be either of the following:
  • A host-specific file with the name hostname.conf where hostname is the name of the Services Router.
  • A default configuration file with the minimum configuration necessary to telnet into the new Services Router for further configuration.
• Physically attach the Services Router to the network using one or more of the following interface types
  • Fast Ethernet
  • Serial with HDLC encapsulation
• If the DHCP response contains only the hostname for the TFTP server, add IP address-to-hostname mapping for the TFTP server to a DNS database file.
• To use an existing router to receive TFTP requests and forward them to the TFTP server, add additional IP addresses of the hosts providing the TFTP service.

If you choose to create a host-specific configuration file, you must also complete the following tasks:

• Configure the DHCP server to provide a configuration filename to the new Services Router. This filename is then used to request a configuration file from a TFTP server. Copy the host-specific configuration to the TFTP server.
• Copy a default configuration file named network.conf to the TFTP server. This file contains IP address-to-hostname mappings in the format ip host ip address hostname entries. If a host-specific configuration file is not specified by the DHCP server, this file is used to create a hostname for the new Services Router.
• Add the IP address-to-hostname mapping for the new Services Router to a DNS database file.