Nortel Networks 14.2 manual Boot Process, Netboot Process

Understanding Tools and Options

The Boot Process

The following sections describe the boot process for the Local Boot and Netboot startup options:

•Netboot Process (EZ-Install, Netboot, or Directed Netboot)

•Local Boot Process

Netboot Process

When booting over the network using EZ-Install, Netboot, or Directed Netboot, AN/ANH and ARN routers complete the following tasks:

1.Determines its IP address

2.Obtains the operating-system kernel file and/or configuration file by communicating with a configured BootP server on the IP network

3.Reboots, using the newly transferred kernel file

4.Obtains application and string files over the network as it needs them

5.Begins bridging and routing traffic as specified in the configuration file

The following sections describe in more detail the key steps in this process:

•Obtaining an IP Address Manually (Netboot or Directed Netboot) or Obtaining an IP Address Automatically (EZ-Install)

•Obtaining the Kernel and Configuration Files

Obtaining an IP Address Manually (Netboot or Directed Netboot)

For Netboot and Directed Netboot, you configure the IP address manually. Chapter 3 describes how to use Site Manager to configure netboot interfaces. Chapter 4 describes how to configure netboot using the Technician Interface.

Obtaining an IP Address Automatically (EZ-Install)

During the EZ-Install process, AN/ANH and ARN routers obtain its IP address as follows:

1.When you turn on the router, it runs a set of diagnostic tests.

2.The router sends a BootP request to the upstream router for an IP address and subnet mask.

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