Owner's Manual

Auto Image and Configuration Update 357
14
Automatically Updating the Image
and Configuration
The topics covered in this chapter include:
• Auto Configuration Overview
• What Are the Dependencies for DHCP Auto Configuration?
• Default Auto Configuration Values
• Managing Auto Configuration (Web)
• Managing Auto Configuration (CLI)
• Auto Configuration Example
Auto Configuration Overview
The Auto Configuration feature can automatically update the firmware
image and obtain configuration information when the switch boots. Auto
Configuration begins the automatic download and installation process when
the switch or stack master is initialized and no configuration file (startup-
config) is found, or when the switch boots and loads a saved configuration
that has Auto Configuration enabled. Auto Configuration is enabled by
default. Allow downgrade is also enabled by default.
What Is the DHCP Auto Configuration Process?
The switch can use a DHCP server to obtain configuration information from
a TFTP server.
DHCP Auto Configuration is accomplished in three phases:
1
Assignment or configuration of an IP address for the switch
2 Assignment of a TFTP server
NOTE: Auto Install is not invoked if a valid configuration file is on the switch.