H3C Technologies H3C S7500E Series Switches User Manual
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10-2
For instructions about how to upgrade them through the Boot ROM menu, see the installation menu of
your device.
The upgrading at the CLI falls into three categories:
Upgrade method
Upgrade object
Description
Boot ROM program
System boot file
z
You need to reboot the whole system to upgrade the
software of a device.
z
This causes running service interruption during the
upgrade process, and is not recommended.
System boot file
z
Hotfix is a fast, cost-effective method to repair software
defects of a device.
z
Compared with software version upgrade, hotfix can
upgrade the software without interrupting the running
services of the device. In other words, it can repair the
software defects of the current version without
rebooting the device.
z
The patch files match the device model and software
version. If they are not matched, the hotfixing operation
fails.
In-Service Software
Upgrade (ISSU)
System boot file
z
In-Service Software Upgrade (ISSU) enables software
upgrade while ensuring continues packet forwarding.
z
For more information, see ISSU Configuration in the
Fundamentals Configuration Guide
Upgrading the Boot ROM Program Through a System Reboot
Follow these steps to upgrade the Boot ROM program:
1) Copy the Boot ROM program to the root directory of the device's storage medium by using FTP or
TFTP.
2) Specify the Boot ROM program to be used at the next boot at the CLI.
3) Reboot the device to make the specified Boot ROM program take effect.
z
Distributed device
Because the Boot ROM programs of the main boards and line processing units (LPUs) vary with
devices, users are easily confused when upgrading Boot ROM. With the validity check function
enabled, the device can strictly check the Boot ROM upgrade files for correctness and the version
configuration information to ensure a successful upgrade.
z
Distributed IRF member device
Because the Boot ROM programs of member devices vary with member devices and cards of an IRF,
virtual device users are easily confused when upgrading the Boot ROM. With the validity check