R3721-F3210-F3171-HP High-End Firewalls System Management and Maintenance Configuration Guide-6PW101

Upgrading software

Upgrading software includes upgrading Boot ROM and system software. Each time the device is

powered on, it runs the Boot ROM image to initialize hardware and display hardware information and

then runs the system software image (also called the boot file) so you can access the software features,

as shown in Figure 11.

Figure 11 Relationship b

etween the Boot ROM program and the system boot file

Software upgrade methods

You can upgrade software at the Boot menu or the command line interface (CLI). The following sections

cover how to upgrade software in the web interface and at the CLI. For upgrading software at the Boot

menu, see the device installation guide.

Upgrading software at the CLI falls into the following categories:

rade method

rade ob

ect

Descri

tion

Upgrading software

through a system reboot

Boot ROM and

system software

You download the Boot ROM and system software images,

and reboot the system to upgrade software. You use this

method only when necessary because it can cause service

interruption.

Using the hotfix feature to

install software patches

System software

Hotfix enables fixing software defects without a reboot.

Hotfix does not interrupt the running services.