
Understanding Tools and Options
117341-A Rev. A 1-5
The Boot Process
The following sections describe the boot process for the Local Boot and Netboot
startup options:
• Netboot Pr
ocess (EZ-Install, Netboot, or Directed Netboot)
• Local Boot Pr
ocess
Netboot Process
When booting over the network using EZ-Install, Netboot, or Directed Netboot,
the BayStack router completes 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.
Cha
pter 3 describes how to use Site Manager to configure netboot interfaces.
Cha
pter 4 describes how to configure netboot using the Technician Interface.
Obtaining an IP Address Automatically (EZ-Install)
During the EZ-Install process, the BayStack router obtains its IP address as
follows:
1. When you turn on the BayStack router, it runs a set of diagnostic tests.
2. The BayStack router sends a BootP request to the upstream router for an IP
address and subnet mask.
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