Chapter 1 Setting Up the ACE
Modifying the Boot Configuration
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Cisco 4700 Series Application Control Engine Appliance Administration Guide
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Configuring the ACE to Bypass the Startup Configuration File
During the Boot Process
From the GRUB bootloader, the ACE includes an option that allows you to
instruct the ACE to bypass the startup-configuration file stored on the appliance
in the Flash memory (nonvolatile memory) during the boot process. You may
require the ACE to bypass the startup configuration file during bootup in the
following instances:
•
Certain configurations cause problems that result in the ACE becoming
nonresponsive. You can bypass the startup configuration file to safely boot
the ACE and then resolve issues with the configuration.
•
You forget the password for the ACE administrator CLI account and cannot
access the ACE. You can bypass the startup configuration file and log in with
the default password of admin.
Note
For the procedure on resetting the administrator CLI account password,
see the
“Resetting the Administrator CLI Account Password”
section.
To instruct the ACE to bypass the startup-configuration file during the boot
process from the GRUB bootloader, perform the following steps:
1.
Enter the
config-register
command so that upon reboot the ACE boots to the
GRUB bootloader. See the
“Setting the Boot Method from the Configuration
Register”
section.
2.
Reboot the ACE. See the
“Restarting the ACE”
section. Upon reboot, the
ACE boots to the GRUB bootloader.
