
Hardware and Software Overview
1-15
Figure 1-5. Getting the Kernel
8. The AN/ANH boots the kernel.
9. The AN/ANH uses TFTP to get application and string files as it needs them.
10. The router begins bridging and routing network traffic in accordance with the
configuration file.
The AN/ANH can continue to request files, even after it begins bridging and
routing traffic.
If a failure occurs in Steps 1 through 8, the router attempts to boot locally.
Local Boot
When the AN or ANH boots locally, it reads the kernel file, application files, and
string files that are embedded within a local software image file (an.exe).
When you use Local Boot as the initial boot option, you boot a default (generic)
configuration file. You must then complete the “Quick-Start” installation script to
customize the default configuration file.
Corporate backbone
Kernel
Key
TFTP response
TFTP request
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