H3C Technologies H3C SecBlade NetStream Cards - Manual (Page 257)

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Software upgrade methods
The Boot ROM program and system boot file can both be upgraded at the Boot ROM menu or at the
command line interface (CLI). The following sections describe the upgrading through command lines. 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 two categories:
Upgrade method Upgrade object Description
Software upgrade
through a system reboot Boot ROM program
and system boot file
You need to reboot the whole system to upgrade the
software of a device. This causes running service
interruption during the upgrade process, and is not
recommended.
Software upgrade by
installing hotfixes
System boot file
Hotfix is a fast, cost-effective method to repair software
defects of a device. 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.
Software upgrade through a system reboot
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 media 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.
Follow these steps to upgrade the Boot ROM program:
To do… Use the command… Remarks
Enter system view system-view —
Read, restore, back up, or upgrade
the Boot ROM program on devices
or subcards (centralized device)
bootrom { backup | read | restore
| update file file-url } [ all | part ]
Required
All contents of the Boot ROM file
are operated if the all and part
keywords are not specified.
Available in user view.
CAUTION:
You must save the Boot ROM file in the root directory of the device (for a device supporting storage media
partition, the file must be saved on the first partition). You can copy or move a file to change the path of
it to the root directory.