DELL N3000 User Manual

Auto Image and Configuration Update

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

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.
The Auto Configuration feature includes two components:

• USB Auto Configuration
• DHCP  Auto  Install

If no configuration file is found and the Auto Configuration feature is 

enabled (which it is by default), the Auto Configuration process begins. If a 

USB device is connected to the Dell Networking switch USB port and 

contains the appropriate file, the switch uses the USB Auto Configuration 

feature to update the configuration or image. If the USB Auto Configuration